diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
deleted file mode 100644
index 30aa626c..00000000
--- a/.idea/codeStyles/Project.xml
+++ /dev/null
@@ -1,29 +0,0 @@
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 5cbaf07d..27c0090c 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,6 +1,6 @@
-
+
@@ -13,25 +13,10 @@
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
+
+
@@ -41,133 +26,46 @@
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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+
+
+
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-
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-
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-
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-
-
-
+
+
-
+
-
-
+
+
+
+
+
+
+
+
+
+
+
-
+
-
-
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-
-
-
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-
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-
-
-
-
-
-
-
-
-
+
+
@@ -179,76 +77,17 @@
-
-
+
+
-
+
-
-
-
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-
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-
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-
-
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-
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+
@@ -258,6 +97,15 @@
+
+
+
+
+
+
+
+
+
@@ -280,10 +128,12 @@
conv %5d %2d
load
net
- load_
load_network
char *filename
load_networ
+ is_1
+ load_
+ bias
net->
@@ -304,7 +154,6 @@
-
@@ -323,20 +172,16 @@
+
+
-
-
-
- true
- DEFINITION_ORDER
-
-
+
-
+
@@ -351,17 +196,7 @@
@@ -426,17 +265,17 @@
+
-
+
-
-
+
-
+
@@ -447,12 +286,12 @@
-
+
-
+
@@ -488,41 +327,18 @@
-
-
-
- file://$PROJECT_DIR$/src/parser.c
- 1172
-
-
-
- file://$PROJECT_DIR$/src/parser.c
- 921
-
+ file://$PROJECT_DIR$/src/gemm.c
+ 93
+
-
-
-
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-
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-
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-
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-
-
-
-
-
@@ -551,13 +367,6 @@
-
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-
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@@ -599,20 +408,6 @@
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@@ -671,53 +466,6 @@
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@@ -725,9 +473,16 @@
+
+
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+
+
-
+
@@ -741,20 +496,45 @@
-
+
-
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-
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-
-
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+
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+
@@ -766,38 +546,97 @@
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-
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+
+
diff --git a/src/gemm.c b/src/gemm.c
index 648027f2..6024b39a 100644
--- a/src/gemm.c
+++ b/src/gemm.c
@@ -5,164 +5,169 @@
#include
#include
-void gemm_bin(int M, int N, int K, float ALPHA,
- char *A, int lda,
- float *B, int ldb,
- float *C, int ldc)
+void gemm_bin(int M, int N, int K, float ALPHA,
+ char *A, int lda,
+ float *B, int ldb,
+ float *C, int ldc)
{
- int i,j,k;
- for(i = 0; i < M; ++i){
- for(k = 0; k < K; ++k){
- char A_PART = A[i*lda+k];
- if(A_PART){
- for(j = 0; j < N; ++j){
- C[i*ldc+j] += B[k*ldb+j];
- }
- } else {
- for(j = 0; j < N; ++j){
- C[i*ldc+j] -= B[k*ldb+j];
- }
+ int i,j,k;
+ for(i = 0; i < M; ++i){
+ for(k = 0; k < K; ++k){
+ char A_PART = A[i*lda+k];
+ if(A_PART){
+ for(j = 0; j < N; ++j){
+ C[i*ldc+j] += B[k*ldb+j];
}
- }
- }
+ } else {
+ for(j = 0; j < N; ++j){
+ C[i*ldc+j] -= B[k*ldb+j];
+ }
+ }
+ }
+ }
}
float *random_matrix(int rows, int cols)
{
- int i;
- float *m = calloc(rows*cols, sizeof(float));
- for(i = 0; i < rows*cols; ++i){
- m[i] = (float)rand()/RAND_MAX;
- }
- return m;
+ int i;
+ float *m = calloc(rows*cols, sizeof(float));
+ for(i = 0; i < rows*cols; ++i){
+ m[i] = (float)rand()/RAND_MAX;
+ }
+ return m;
}
void time_random_matrix(int TA, int TB, int m, int k, int n)
{
- float *a;
- if(!TA) a = random_matrix(m,k);
- else a = random_matrix(k,m);
- int lda = (!TA)?k:m;
- float *b;
- if(!TB) b = random_matrix(k,n);
- else b = random_matrix(n,k);
- int ldb = (!TB)?n:k;
+ float *a;
+ if(!TA) a = random_matrix(m,k);
+ else a = random_matrix(k,m);
+ int lda = (!TA)?k:m;
+ float *b;
+ if(!TB) b = random_matrix(k,n);
+ else b = random_matrix(n,k);
+ int ldb = (!TB)?n:k;
- float *c = random_matrix(m,n);
- int i;
- clock_t start = clock(), end;
- for(i = 0; i<10; ++i){
- gemm_cpu(TA,TB,m,n,k,1,a,lda,b,ldb,1,c,n);
- }
- end = clock();
- printf("Matrix Multiplication %dx%d * %dx%d, TA=%d, TB=%d: %lf ms\n",m,k,k,n, TA, TB, (float)(end-start)/CLOCKS_PER_SEC);
- free(a);
- free(b);
- free(c);
+ float *c = random_matrix(m,n);
+ int i;
+ clock_t start = clock(), end;
+ for(i = 0; i<10; ++i){
+ gemm_cpu(TA,TB,m,n,k,1,a,lda,b,ldb,1,c,n);
+ }
+ end = clock();
+ printf("Matrix Multiplication %dx%d * %dx%d, TA=%d, TB=%d: %lf ms\n",m,k,k,n, TA, TB, (float)(end-start)/CLOCKS_PER_SEC);
+ free(a);
+ free(b);
+ free(c);
}
-void gemm(int TA, int TB, int M, int N, int K, float ALPHA,
- float *A, int lda,
- float *B, int ldb,
- float BETA,
- float *C, int ldc)
+void gemm(int TA, int TB, int M, int N, int K, float ALPHA,
+ float *A, int lda,
+ float *B, int ldb,
+ float BETA,
+ float *C, int ldc)
{
- gemm_cpu( TA, TB, M, N, K, ALPHA,A,lda, B, ldb,BETA,C,ldc);
+ gemm_cpu( TA, TB, M, N, K, ALPHA,A,lda, B, ldb,BETA,C,ldc);
}
-void gemm_nn(int M, int N, int K, float ALPHA,
- float *A, int lda,
- float *B, int ldb,
- float *C, int ldc)
+void gemm_nn(int M, int N, int K, float ALPHA,
+ float *A, int lda,
+ float *B, int ldb,
+ float *C, int ldc)
{
- int i,j,k;
- #pragma omp parallel for
- for(i = 0; i < M; ++i){
- for(k = 0; k < K; ++k){
- register float A_PART = ALPHA*A[i*lda+k];
- for(j = 0; j < N; ++j){
- C[i*ldc+j] += A_PART*B[k*ldb+j];
+ int i,j,k;
+#pragma omp parallel for
+ for(i = 0; i < M; ++i){
+ for(k = 0; k < K; ++k){
+ register float A_PART = ALPHA*A[i*lda+k];
+ for(j = 0; j < N; ++j){
+ C[i*ldc+j] += A_PART*B[k*ldb+j];
+ if (i==0 && j==26688)
+ {
+ unsigned short p = B[k*ldb+j]*255;
+ fprintf(stderr,"j=%d, A=%f, B=%f (0x%02x), C=%f\n",j, A_PART, B[k*ldb+j],p,C[i*ldc+j]);
}
- }
- }
+ }
+ }
+ }
}
-void gemm_nt(int M, int N, int K, float ALPHA,
- float *A, int lda,
- float *B, int ldb,
- float *C, int ldc)
+void gemm_nt(int M, int N, int K, float ALPHA,
+ float *A, int lda,
+ float *B, int ldb,
+ float *C, int ldc)
{
- int i,j,k;
- #pragma omp parallel for
- for(i = 0; i < M; ++i){
- for(j = 0; j < N; ++j){
- register float sum = 0;
- for(k = 0; k < K; ++k){
- sum += ALPHA*A[i*lda+k]*B[j*ldb + k];
- }
- C[i*ldc+j] += sum;
- }
- }
+ int i,j,k;
+#pragma omp parallel for
+ for(i = 0; i < M; ++i){
+ for(j = 0; j < N; ++j){
+ register float sum = 0;
+ for(k = 0; k < K; ++k){
+ sum += ALPHA*A[i*lda+k]*B[j*ldb + k];
+ }
+ C[i*ldc+j] += sum;
+ }
+ }
}
-void gemm_tn(int M, int N, int K, float ALPHA,
- float *A, int lda,
- float *B, int ldb,
- float *C, int ldc)
+void gemm_tn(int M, int N, int K, float ALPHA,
+ float *A, int lda,
+ float *B, int ldb,
+ float *C, int ldc)
{
- int i,j,k;
- #pragma omp parallel for
- for(i = 0; i < M; ++i){
- for(k = 0; k < K; ++k){
- register float A_PART = ALPHA*A[k*lda+i];
- for(j = 0; j < N; ++j){
- C[i*ldc+j] += A_PART*B[k*ldb+j];
- }
- }
- }
+ int i,j,k;
+#pragma omp parallel for
+ for(i = 0; i < M; ++i){
+ for(k = 0; k < K; ++k){
+ register float A_PART = ALPHA*A[k*lda+i];
+ for(j = 0; j < N; ++j){
+ C[i*ldc+j] += A_PART*B[k*ldb+j];
+ }
+ }
+ }
}
-void gemm_tt(int M, int N, int K, float ALPHA,
- float *A, int lda,
- float *B, int ldb,
- float *C, int ldc)
+void gemm_tt(int M, int N, int K, float ALPHA,
+ float *A, int lda,
+ float *B, int ldb,
+ float *C, int ldc)
{
- int i,j,k;
- #pragma omp parallel for
- for(i = 0; i < M; ++i){
- for(j = 0; j < N; ++j){
- register float sum = 0;
- for(k = 0; k < K; ++k){
- sum += ALPHA*A[i+k*lda]*B[k+j*ldb];
- }
- C[i*ldc+j] += sum;
- }
- }
+ int i,j,k;
+#pragma omp parallel for
+ for(i = 0; i < M; ++i){
+ for(j = 0; j < N; ++j){
+ register float sum = 0;
+ for(k = 0; k < K; ++k){
+ sum += ALPHA*A[i+k*lda]*B[k+j*ldb];
+ }
+ C[i*ldc+j] += sum;
+ }
+ }
}
-void gemm_cpu(int TA, int TB, int M, int N, int K, float ALPHA,
- float *A, int lda,
- float *B, int ldb,
- float BETA,
- float *C, int ldc)
+void gemm_cpu(int TA, int TB, int M, int N, int K, float ALPHA,
+ float *A, int lda,
+ float *B, int ldb,
+ float BETA,
+ float *C, int ldc)
{
- //printf("cpu: %d %d %d %d %d %f %d %d %f %d\n",TA, TB, M, N, K, ALPHA, lda, ldb, BETA, ldc);
- int i, j;
- for(i = 0; i < M; ++i){
- for(j = 0; j < N; ++j){
- C[i*ldc + j] *= BETA;
- }
- }
- if(!TA && !TB)
- gemm_nn(M, N, K, ALPHA,A,lda, B, ldb,C,ldc);
- else if(TA && !TB)
- gemm_tn(M, N, K, ALPHA,A,lda, B, ldb,C,ldc);
- else if(!TA && TB)
- gemm_nt(M, N, K, ALPHA,A,lda, B, ldb,C,ldc);
- else
- gemm_tt(M, N, K, ALPHA,A,lda, B, ldb,C,ldc);
+ //printf("cpu: %d %d %d %d %d %f %d %d %f %d\n",TA, TB, M, N, K, ALPHA, lda, ldb, BETA, ldc);
+ int i, j;
+ for(i = 0; i < M; ++i){
+ for(j = 0; j < N; ++j){
+ C[i*ldc + j] *= BETA;
+ }
+ }
+ if(!TA && !TB)
+ gemm_nn(M, N, K, ALPHA,A,lda, B, ldb,C,ldc);
+ else if(TA && !TB)
+ gemm_tn(M, N, K, ALPHA,A,lda, B, ldb,C,ldc);
+ else if(!TA && TB)
+ gemm_nt(M, N, K, ALPHA,A,lda, B, ldb,C,ldc);
+ else
+ gemm_tt(M, N, K, ALPHA,A,lda, B, ldb,C,ldc);
}
#ifdef GPU
diff --git a/src/image.c b/src/image.c
index d508cf68..0eebde7d 100644
--- a/src/image.c
+++ b/src/image.c
@@ -16,1256 +16,1256 @@ float colors[6][3] = { {1,0,1}, {0,0,1},{0,1,1},{0,1,0},{1,1,0},{1,0,0} };
float get_color(int c, int x, int max)
{
- float ratio = ((float)x/max)*5;
- int i = floor(ratio);
- int j = ceil(ratio);
- ratio -= i;
- float r = (1-ratio) * colors[i][c] + ratio*colors[j][c];
- //printf("%f\n", r);
- return r;
+ float ratio = ((float)x/max)*5;
+ int i = floor(ratio);
+ int j = ceil(ratio);
+ ratio -= i;
+ float r = (1-ratio) * colors[i][c] + ratio*colors[j][c];
+ //printf("%f\n", r);
+ return r;
}
dn_image mask_to_rgb(dn_image mask)
{
- int n = mask.c;
- dn_image im = make_image(mask.w, mask.h, 3);
- int i, j;
- for(j = 0; j < n; ++j){
- int offset = j*123457 % n;
- float red = get_color(2,offset,n);
- float green = get_color(1,offset,n);
- float blue = get_color(0,offset,n);
- for(i = 0; i < im.w*im.h; ++i){
- im.data[i + 0*im.w*im.h] += mask.data[j*im.h*im.w + i]*red;
- im.data[i + 1*im.w*im.h] += mask.data[j*im.h*im.w + i]*green;
- im.data[i + 2*im.w*im.h] += mask.data[j*im.h*im.w + i]*blue;
- }
- }
- return im;
+ int n = mask.c;
+ dn_image im = make_image(mask.w, mask.h, 3);
+ int i, j;
+ for(j = 0; j < n; ++j){
+ int offset = j*123457 % n;
+ float red = get_color(2,offset,n);
+ float green = get_color(1,offset,n);
+ float blue = get_color(0,offset,n);
+ for(i = 0; i < im.w*im.h; ++i){
+ im.data[i + 0*im.w*im.h] += mask.data[j*im.h*im.w + i]*red;
+ im.data[i + 1*im.w*im.h] += mask.data[j*im.h*im.w + i]*green;
+ im.data[i + 2*im.w*im.h] += mask.data[j*im.h*im.w + i]*blue;
+ }
+ }
+ return im;
}
static float get_pixel(dn_image m, int x, int y, int c)
{
- assert(x < m.w && y < m.h && c < m.c);
- return m.data[c*m.h*m.w + y*m.w + x];
+ assert(x < m.w && y < m.h && c < m.c);
+ return m.data[c*m.h*m.w + y*m.w + x];
}
static float get_pixel_extend(dn_image m, int x, int y, int c)
{
- if(x < 0 || x >= m.w || y < 0 || y >= m.h) return 0;
- /*
- if(x < 0) x = 0;
- if(x >= m.w) x = m.w-1;
- if(y < 0) y = 0;
- if(y >= m.h) y = m.h-1;
- */
- if(c < 0 || c >= m.c) return 0;
- return get_pixel(m, x, y, c);
+ if(x < 0 || x >= m.w || y < 0 || y >= m.h) return 0;
+ /*
+ if(x < 0) x = 0;
+ if(x >= m.w) x = m.w-1;
+ if(y < 0) y = 0;
+ if(y >= m.h) y = m.h-1;
+ */
+ if(c < 0 || c >= m.c) return 0;
+ return get_pixel(m, x, y, c);
}
static void set_pixel(dn_image m, int x, int y, int c, float val)
{
- if (x < 0 || y < 0 || c < 0 || x >= m.w || y >= m.h || c >= m.c) return;
- assert(x < m.w && y < m.h && c < m.c);
- m.data[c*m.h*m.w + y*m.w + x] = val;
+ if (x < 0 || y < 0 || c < 0 || x >= m.w || y >= m.h || c >= m.c) return;
+ assert(x < m.w && y < m.h && c < m.c);
+ m.data[c*m.h*m.w + y*m.w + x] = val;
}
static void add_pixel(dn_image m, int x, int y, int c, float val)
{
- assert(x < m.w && y < m.h && c < m.c);
- m.data[c*m.h*m.w + y*m.w + x] += val;
+ assert(x < m.w && y < m.h && c < m.c);
+ m.data[c*m.h*m.w + y*m.w + x] += val;
}
static float bilinear_interpolate(dn_image im, float x, float y, int c)
{
- int ix = (int) floorf(x);
- int iy = (int) floorf(y);
+ int ix = (int) floorf(x);
+ int iy = (int) floorf(y);
- float dx = x - ix;
- float dy = y - iy;
+ float dx = x - ix;
+ float dy = y - iy;
- float val = (1-dy) * (1-dx) * get_pixel_extend(im, ix, iy, c) +
- dy * (1-dx) * get_pixel_extend(im, ix, iy+1, c) +
- (1-dy) * dx * get_pixel_extend(im, ix+1, iy, c) +
- dy * dx * get_pixel_extend(im, ix+1, iy+1, c);
- return val;
+ float val = (1-dy) * (1-dx) * get_pixel_extend(im, ix, iy, c) +
+ dy * (1-dx) * get_pixel_extend(im, ix, iy+1, c) +
+ (1-dy) * dx * get_pixel_extend(im, ix+1, iy, c) +
+ dy * dx * get_pixel_extend(im, ix+1, iy+1, c);
+ return val;
}
void composite_image(dn_image source, dn_image dest, int dx, int dy)
{
- int x,y,k;
- for(k = 0; k < source.c; ++k){
- for(y = 0; y < source.h; ++y){
- for(x = 0; x < source.w; ++x){
- float val = get_pixel(source, x, y, k);
- float val2 = get_pixel_extend(dest, dx+x, dy+y, k);
- set_pixel(dest, dx+x, dy+y, k, val * val2);
- }
- }
- }
+ int x,y,k;
+ for(k = 0; k < source.c; ++k){
+ for(y = 0; y < source.h; ++y){
+ for(x = 0; x < source.w; ++x){
+ float val = get_pixel(source, x, y, k);
+ float val2 = get_pixel_extend(dest, dx+x, dy+y, k);
+ set_pixel(dest, dx+x, dy+y, k, val * val2);
+ }
+ }
+ }
}
dn_image border_image(dn_image a, int border)
{
- dn_image b = make_image(a.w + 2*border, a.h + 2*border, a.c);
- int x,y,k;
- for(k = 0; k < b.c; ++k){
- for(y = 0; y < b.h; ++y){
- for(x = 0; x < b.w; ++x){
- float val = get_pixel_extend(a, x - border, y - border, k);
- if(x - border < 0 || x - border >= a.w || y - border < 0 || y - border >= a.h) val = 1;
- set_pixel(b, x, y, k, val);
- }
- }
- }
- return b;
+ dn_image b = make_image(a.w + 2*border, a.h + 2*border, a.c);
+ int x,y,k;
+ for(k = 0; k < b.c; ++k){
+ for(y = 0; y < b.h; ++y){
+ for(x = 0; x < b.w; ++x){
+ float val = get_pixel_extend(a, x - border, y - border, k);
+ if(x - border < 0 || x - border >= a.w || y - border < 0 || y - border >= a.h) val = 1;
+ set_pixel(b, x, y, k, val);
+ }
+ }
+ }
+ return b;
}
dn_image tile_images(dn_image a, dn_image b, int dx)
{
- if(a.w == 0) return copy_image(b);
- dn_image c = make_image(a.w + b.w + dx, (a.h > b.h) ? a.h : b.h, (a.c > b.c) ? a.c : b.c);
- fill_cpu(c.w*c.h*c.c, 1, c.data, 1);
- embed_image(a, c, 0, 0);
- composite_image(b, c, a.w + dx, 0);
- return c;
+ if(a.w == 0) return copy_image(b);
+ dn_image c = make_image(a.w + b.w + dx, (a.h > b.h) ? a.h : b.h, (a.c > b.c) ? a.c : b.c);
+ fill_cpu(c.w*c.h*c.c, 1, c.data, 1);
+ embed_image(a, c, 0, 0);
+ composite_image(b, c, a.w + dx, 0);
+ return c;
}
dn_image get_label(dn_image **characters, char *string, int size)
{
- size = size/10;
- if(size > 7) size = 7;
- dn_image label = make_empty_image(0,0,0);
- while(*string){
- dn_image l = characters[size][(int)*string];
- dn_image n = tile_images(label, l, -size - 1 + (size+1)/2);
- free_image(label);
- label = n;
- ++string;
- }
- dn_image b = border_image(label, label.h*.25);
- free_image(label);
- return b;
+ size = size/10;
+ if(size > 7) size = 7;
+ dn_image label = make_empty_image(0,0,0);
+ while(*string){
+ dn_image l = characters[size][(int)*string];
+ dn_image n = tile_images(label, l, -size - 1 + (size+1)/2);
+ free_image(label);
+ label = n;
+ ++string;
+ }
+ dn_image b = border_image(label, label.h*.25);
+ free_image(label);
+ return b;
}
void draw_label(dn_image a, int r, int c, dn_image label, const float *rgb)
{
- int w = label.w;
- int h = label.h;
- if (r - h >= 0) r = r - h;
+ int w = label.w;
+ int h = label.h;
+ if (r - h >= 0) r = r - h;
- int i, j, k;
- for(j = 0; j < h && j + r < a.h; ++j){
- for(i = 0; i < w && i + c < a.w; ++i){
- for(k = 0; k < label.c; ++k){
- float val = get_pixel(label, i, j, k);
- set_pixel(a, i+c, j+r, k, rgb[k] * val);
- }
- }
- }
+ int i, j, k;
+ for(j = 0; j < h && j + r < a.h; ++j){
+ for(i = 0; i < w && i + c < a.w; ++i){
+ for(k = 0; k < label.c; ++k){
+ float val = get_pixel(label, i, j, k);
+ set_pixel(a, i+c, j+r, k, rgb[k] * val);
+ }
+ }
+ }
}
void draw_box(dn_image a, int x1, int y1, int x2, int y2, float r, float g, float b)
{
- //normalize_image(a);
- int i;
- if(x1 < 0) x1 = 0;
- if(x1 >= a.w) x1 = a.w-1;
- if(x2 < 0) x2 = 0;
- if(x2 >= a.w) x2 = a.w-1;
+ //normalize_image(a);
+ int i;
+ if(x1 < 0) x1 = 0;
+ if(x1 >= a.w) x1 = a.w-1;
+ if(x2 < 0) x2 = 0;
+ if(x2 >= a.w) x2 = a.w-1;
- if(y1 < 0) y1 = 0;
- if(y1 >= a.h) y1 = a.h-1;
- if(y2 < 0) y2 = 0;
- if(y2 >= a.h) y2 = a.h-1;
+ if(y1 < 0) y1 = 0;
+ if(y1 >= a.h) y1 = a.h-1;
+ if(y2 < 0) y2 = 0;
+ if(y2 >= a.h) y2 = a.h-1;
- for(i = x1; i <= x2; ++i){
- a.data[i + y1*a.w + 0*a.w*a.h] = r;
- a.data[i + y2*a.w + 0*a.w*a.h] = r;
+ for(i = x1; i <= x2; ++i){
+ a.data[i + y1*a.w + 0*a.w*a.h] = r;
+ a.data[i + y2*a.w + 0*a.w*a.h] = r;
- a.data[i + y1*a.w + 1*a.w*a.h] = g;
- a.data[i + y2*a.w + 1*a.w*a.h] = g;
+ a.data[i + y1*a.w + 1*a.w*a.h] = g;
+ a.data[i + y2*a.w + 1*a.w*a.h] = g;
- a.data[i + y1*a.w + 2*a.w*a.h] = b;
- a.data[i + y2*a.w + 2*a.w*a.h] = b;
- }
- for(i = y1; i <= y2; ++i){
- a.data[x1 + i*a.w + 0*a.w*a.h] = r;
- a.data[x2 + i*a.w + 0*a.w*a.h] = r;
+ a.data[i + y1*a.w + 2*a.w*a.h] = b;
+ a.data[i + y2*a.w + 2*a.w*a.h] = b;
+ }
+ for(i = y1; i <= y2; ++i){
+ a.data[x1 + i*a.w + 0*a.w*a.h] = r;
+ a.data[x2 + i*a.w + 0*a.w*a.h] = r;
- a.data[x1 + i*a.w + 1*a.w*a.h] = g;
- a.data[x2 + i*a.w + 1*a.w*a.h] = g;
+ a.data[x1 + i*a.w + 1*a.w*a.h] = g;
+ a.data[x2 + i*a.w + 1*a.w*a.h] = g;
- a.data[x1 + i*a.w + 2*a.w*a.h] = b;
- a.data[x2 + i*a.w + 2*a.w*a.h] = b;
- }
+ a.data[x1 + i*a.w + 2*a.w*a.h] = b;
+ a.data[x2 + i*a.w + 2*a.w*a.h] = b;
+ }
}
void draw_box_width(dn_image a, int x1, int y1, int x2, int y2, int w, float r, float g, float b)
{
- int i;
- for(i = 0; i < w; ++i){
- draw_box(a, x1+i, y1+i, x2-i, y2-i, r, g, b);
- }
+ int i;
+ for(i = 0; i < w; ++i){
+ draw_box(a, x1+i, y1+i, x2-i, y2-i, r, g, b);
+ }
}
void draw_bbox(dn_image a, dn_box bbox, int w, float r, float g, float b)
{
- int left = (bbox.x-bbox.w/2)*a.w;
- int right = (bbox.x+bbox.w/2)*a.w;
- int top = (bbox.y-bbox.h/2)*a.h;
- int bot = (bbox.y+bbox.h/2)*a.h;
+ int left = (bbox.x-bbox.w/2)*a.w;
+ int right = (bbox.x+bbox.w/2)*a.w;
+ int top = (bbox.y-bbox.h/2)*a.h;
+ int bot = (bbox.y+bbox.h/2)*a.h;
- int i;
- for(i = 0; i < w; ++i){
- draw_box(a, left+i, top+i, right-i, bot-i, r, g, b);
- }
+ int i;
+ for(i = 0; i < w; ++i){
+ draw_box(a, left+i, top+i, right-i, bot-i, r, g, b);
+ }
}
dn_image **load_alphabet()
{
- int i, j;
- const int nsize = 8;
- dn_image **alphabets = calloc(nsize, sizeof(dn_image));
- for(j = 0; j < nsize; ++j){
- alphabets[j] = calloc(128, sizeof(dn_image));
- for(i = 32; i < 127; ++i){
- char buff[256];
- sprintf(buff, "data/labels/%d_%d.png", i, j);
- alphabets[j][i] = load_image_color(buff, 0, 0);
- }
- }
- return alphabets;
+ int i, j;
+ const int nsize = 8;
+ dn_image **alphabets = calloc(nsize, sizeof(dn_image));
+ for(j = 0; j < nsize; ++j){
+ alphabets[j] = calloc(128, sizeof(dn_image));
+ for(i = 32; i < 127; ++i){
+ char buff[256];
+ sprintf(buff, "data/labels/%d_%d.png", i, j);
+ alphabets[j][i] = load_image_color(buff, 0, 0);
+ }
+ }
+ return alphabets;
}
void draw_detections(dn_image im, detection *dets, int num, float thresh, char **names, dn_image **alphabet, int classes)
{
- int i,j;
+ int i,j;
- for(i = 0; i < num; ++i){
- char labelstr[4096] = {0};
- int class = -1;
- for(j = 0; j < classes; ++j){
- if (dets[i].prob[j] > thresh){
- if (class < 0) {
- strcat(labelstr, names[j]);
- class = j;
- } else {
- strcat(labelstr, ", ");
- strcat(labelstr, names[j]);
- }
- printf("%s: %.0f%%\n", names[j], dets[i].prob[j]*100);
+ for(i = 0; i < num; ++i){
+ char labelstr[4096] = {0};
+ int class = -1;
+ for(j = 0; j < classes; ++j){
+ if (dets[i].prob[j] > thresh){
+ if (class < 0) {
+ strcat(labelstr, names[j]);
+ class = j;
+ } else {
+ strcat(labelstr, ", ");
+ strcat(labelstr, names[j]);
}
- }
- if(class >= 0){
- int width = im.h * .006;
+ printf("%s: %.0f%%\n", names[j], dets[i].prob[j]*100);
+ }
+ }
+ if(class >= 0){
+ int width = im.h * .006;
- /*
- if(0){
- width = pow(prob, 1./2.)*10+1;
- alphabet = 0;
- }
- */
-
- //printf("%d %s: %.0f%%\n", i, names[class], prob*100);
- int offset = class*123457 % classes;
- float red = get_color(2,offset,classes);
- float green = get_color(1,offset,classes);
- float blue = get_color(0,offset,classes);
- float rgb[3];
-
- //width = prob*20+2;
-
- rgb[0] = red;
- rgb[1] = green;
- rgb[2] = blue;
- dn_box b = dets[i].bbox;
- //printf("%f %f %f %f\n", b.x, b.y, b.w, b.h);
-
- int left = (b.x-b.w/2.)*im.w;
- int right = (b.x+b.w/2.)*im.w;
- int top = (b.y-b.h/2.)*im.h;
- int bot = (b.y+b.h/2.)*im.h;
-
- if(left < 0) left = 0;
- if(right > im.w-1) right = im.w-1;
- if(top < 0) top = 0;
- if(bot > im.h-1) bot = im.h-1;
-
- draw_box_width(im, left, top, right, bot, width, red, green, blue);
- if (alphabet) {
- dn_image label = get_label(alphabet, labelstr, (im.h*.03));
- draw_label(im, top + width, left, label, rgb);
- free_image(label);
+ /*
+ if(0){
+ width = pow(prob, 1./2.)*10+1;
+ alphabet = 0;
}
- if (dets[i].mask){
- dn_image mask = float_to_image(14, 14, 1, dets[i].mask);
- dn_image resized_mask = resize_image(mask, b.w*im.w, b.h*im.h);
- dn_image tmask = threshold_image(resized_mask, .5);
- embed_image(tmask, im, left, top);
- free_image(mask);
- free_image(resized_mask);
- free_image(tmask);
- }
- }
- }
+ */
+
+ //printf("%d %s: %.0f%%\n", i, names[class], prob*100);
+ int offset = class*123457 % classes;
+ float red = get_color(2,offset,classes);
+ float green = get_color(1,offset,classes);
+ float blue = get_color(0,offset,classes);
+ float rgb[3];
+
+ //width = prob*20+2;
+
+ rgb[0] = red;
+ rgb[1] = green;
+ rgb[2] = blue;
+ dn_box b = dets[i].bbox;
+ //printf("%f %f %f %f\n", b.x, b.y, b.w, b.h);
+
+ int left = (b.x-b.w/2.)*im.w;
+ int right = (b.x+b.w/2.)*im.w;
+ int top = (b.y-b.h/2.)*im.h;
+ int bot = (b.y+b.h/2.)*im.h;
+
+ if(left < 0) left = 0;
+ if(right > im.w-1) right = im.w-1;
+ if(top < 0) top = 0;
+ if(bot > im.h-1) bot = im.h-1;
+
+ draw_box_width(im, left, top, right, bot, width, red, green, blue);
+ if (alphabet) {
+ dn_image label = get_label(alphabet, labelstr, (im.h*.03));
+ draw_label(im, top + width, left, label, rgb);
+ free_image(label);
+ }
+ if (dets[i].mask){
+ dn_image mask = float_to_image(14, 14, 1, dets[i].mask);
+ dn_image resized_mask = resize_image(mask, b.w*im.w, b.h*im.h);
+ dn_image tmask = threshold_image(resized_mask, .5);
+ embed_image(tmask, im, left, top);
+ free_image(mask);
+ free_image(resized_mask);
+ free_image(tmask);
+ }
+ }
+ }
}
void transpose_image(dn_image im)
{
- assert(im.w == im.h);
- int n, m;
- int c;
- for(c = 0; c < im.c; ++c){
- for(n = 0; n < im.w-1; ++n){
- for(m = n + 1; m < im.w; ++m){
- float swap = im.data[m + im.w*(n + im.h*c)];
- im.data[m + im.w*(n + im.h*c)] = im.data[n + im.w*(m + im.h*c)];
- im.data[n + im.w*(m + im.h*c)] = swap;
- }
- }
- }
+ assert(im.w == im.h);
+ int n, m;
+ int c;
+ for(c = 0; c < im.c; ++c){
+ for(n = 0; n < im.w-1; ++n){
+ for(m = n + 1; m < im.w; ++m){
+ float swap = im.data[m + im.w*(n + im.h*c)];
+ im.data[m + im.w*(n + im.h*c)] = im.data[n + im.w*(m + im.h*c)];
+ im.data[n + im.w*(m + im.h*c)] = swap;
+ }
+ }
+ }
}
void rotate_image_cw(dn_image im, int times)
{
- assert(im.w == im.h);
- times = (times + 400) % 4;
- int i, x, y, c;
- int n = im.w;
- for(i = 0; i < times; ++i){
- for(c = 0; c < im.c; ++c){
- for(x = 0; x < n/2; ++x){
- for(y = 0; y < (n-1)/2 + 1; ++y){
- float temp = im.data[y + im.w*(x + im.h*c)];
- im.data[y + im.w*(x + im.h*c)] = im.data[n-1-x + im.w*(y + im.h*c)];
- im.data[n-1-x + im.w*(y + im.h*c)] = im.data[n-1-y + im.w*(n-1-x + im.h*c)];
- im.data[n-1-y + im.w*(n-1-x + im.h*c)] = im.data[x + im.w*(n-1-y + im.h*c)];
- im.data[x + im.w*(n-1-y + im.h*c)] = temp;
- }
+ assert(im.w == im.h);
+ times = (times + 400) % 4;
+ int i, x, y, c;
+ int n = im.w;
+ for(i = 0; i < times; ++i){
+ for(c = 0; c < im.c; ++c){
+ for(x = 0; x < n/2; ++x){
+ for(y = 0; y < (n-1)/2 + 1; ++y){
+ float temp = im.data[y + im.w*(x + im.h*c)];
+ im.data[y + im.w*(x + im.h*c)] = im.data[n-1-x + im.w*(y + im.h*c)];
+ im.data[n-1-x + im.w*(y + im.h*c)] = im.data[n-1-y + im.w*(n-1-x + im.h*c)];
+ im.data[n-1-y + im.w*(n-1-x + im.h*c)] = im.data[x + im.w*(n-1-y + im.h*c)];
+ im.data[x + im.w*(n-1-y + im.h*c)] = temp;
}
- }
- }
+ }
+ }
+ }
}
void flip_image(dn_image a)
{
- int i,j,k;
- for(k = 0; k < a.c; ++k){
- for(i = 0; i < a.h; ++i){
- for(j = 0; j < a.w/2; ++j){
- int index = j + a.w*(i + a.h*(k));
- int flip = (a.w - j - 1) + a.w*(i + a.h*(k));
- float swap = a.data[flip];
- a.data[flip] = a.data[index];
- a.data[index] = swap;
- }
- }
- }
+ int i,j,k;
+ for(k = 0; k < a.c; ++k){
+ for(i = 0; i < a.h; ++i){
+ for(j = 0; j < a.w/2; ++j){
+ int index = j + a.w*(i + a.h*(k));
+ int flip = (a.w - j - 1) + a.w*(i + a.h*(k));
+ float swap = a.data[flip];
+ a.data[flip] = a.data[index];
+ a.data[index] = swap;
+ }
+ }
+ }
}
dn_image image_distance(dn_image a, dn_image b)
{
- int i,j;
- dn_image dist = make_image(a.w, a.h, 1);
- for(i = 0; i < a.c; ++i){
- for(j = 0; j < a.h*a.w; ++j){
- dist.data[j] += pow(a.data[i*a.h*a.w+j]-b.data[i*a.h*a.w+j],2);
- }
- }
- for(j = 0; j < a.h*a.w; ++j){
- dist.data[j] = sqrt(dist.data[j]);
- }
- return dist;
+ int i,j;
+ dn_image dist = make_image(a.w, a.h, 1);
+ for(i = 0; i < a.c; ++i){
+ for(j = 0; j < a.h*a.w; ++j){
+ dist.data[j] += pow(a.data[i*a.h*a.w+j]-b.data[i*a.h*a.w+j],2);
+ }
+ }
+ for(j = 0; j < a.h*a.w; ++j){
+ dist.data[j] = sqrt(dist.data[j]);
+ }
+ return dist;
}
void ghost_image(dn_image source, dn_image dest, int dx, int dy)
{
- int x,y,k;
- float max_dist = sqrt((-source.w/2. + .5)*(-source.w/2. + .5));
- for(k = 0; k < source.c; ++k){
- for(y = 0; y < source.h; ++y){
- for(x = 0; x < source.w; ++x){
- float dist = sqrt((x - source.w/2. + .5)*(x - source.w/2. + .5) + (y - source.h/2. + .5)*(y - source.h/2. + .5));
- float alpha = (1 - dist/max_dist);
- if(alpha < 0) alpha = 0;
- float v1 = get_pixel(source, x,y,k);
- float v2 = get_pixel(dest, dx+x,dy+y,k);
- float val = alpha*v1 + (1-alpha)*v2;
- set_pixel(dest, dx+x, dy+y, k, val);
- }
- }
- }
+ int x,y,k;
+ float max_dist = sqrt((-source.w/2. + .5)*(-source.w/2. + .5));
+ for(k = 0; k < source.c; ++k){
+ for(y = 0; y < source.h; ++y){
+ for(x = 0; x < source.w; ++x){
+ float dist = sqrt((x - source.w/2. + .5)*(x - source.w/2. + .5) + (y - source.h/2. + .5)*(y - source.h/2. + .5));
+ float alpha = (1 - dist/max_dist);
+ if(alpha < 0) alpha = 0;
+ float v1 = get_pixel(source, x,y,k);
+ float v2 = get_pixel(dest, dx+x,dy+y,k);
+ float val = alpha*v1 + (1-alpha)*v2;
+ set_pixel(dest, dx+x, dy+y, k, val);
+ }
+ }
+ }
}
void blocky_image(dn_image im, int s)
{
- int i,j,k;
- for(k = 0; k < im.c; ++k){
- for(j = 0; j < im.h; ++j){
- for(i = 0; i < im.w; ++i){
- im.data[i + im.w*(j + im.h*k)] = im.data[i/s*s + im.w*(j/s*s + im.h*k)];
- }
- }
- }
+ int i,j,k;
+ for(k = 0; k < im.c; ++k){
+ for(j = 0; j < im.h; ++j){
+ for(i = 0; i < im.w; ++i){
+ im.data[i + im.w*(j + im.h*k)] = im.data[i/s*s + im.w*(j/s*s + im.h*k)];
+ }
+ }
+ }
}
void censor_image(dn_image im, int dx, int dy, int w, int h)
{
- int i,j,k;
- int s = 32;
- if(dx < 0) dx = 0;
- if(dy < 0) dy = 0;
+ int i,j,k;
+ int s = 32;
+ if(dx < 0) dx = 0;
+ if(dy < 0) dy = 0;
- for(k = 0; k < im.c; ++k){
- for(j = dy; j < dy + h && j < im.h; ++j){
- for(i = dx; i < dx + w && i < im.w; ++i){
- im.data[i + im.w*(j + im.h*k)] = im.data[i/s*s + im.w*(j/s*s + im.h*k)];
- //im.data[i + j*im.w + k*im.w*im.h] = 0;
- }
- }
- }
+ for(k = 0; k < im.c; ++k){
+ for(j = dy; j < dy + h && j < im.h; ++j){
+ for(i = dx; i < dx + w && i < im.w; ++i){
+ im.data[i + im.w*(j + im.h*k)] = im.data[i/s*s + im.w*(j/s*s + im.h*k)];
+ //im.data[i + j*im.w + k*im.w*im.h] = 0;
+ }
+ }
+ }
}
void embed_image(dn_image source, dn_image dest, int dx, int dy)
{
- int x,y,k;
- for(k = 0; k < source.c; ++k){
- for(y = 0; y < source.h; ++y){
- for(x = 0; x < source.w; ++x){
- float val = get_pixel(source, x,y,k);
- set_pixel(dest, dx+x, dy+y, k, val);
- }
- }
- }
+ int x,y,k;
+ for(k = 0; k < source.c; ++k){
+ for(y = 0; y < source.h; ++y){
+ for(x = 0; x < source.w; ++x){
+ float val = get_pixel(source, x,y,k);
+ set_pixel(dest, dx+x, dy+y, k, val);
+ }
+ }
+ }
}
dn_image collapse_image_layers(dn_image source, int border)
{
- int h = source.h;
- h = (h+border)*source.c - border;
- dn_image dest = make_image(source.w, h, 1);
- int i;
- for(i = 0; i < source.c; ++i){
- dn_image layer = get_image_layer(source, i);
- int h_offset = i*(source.h+border);
- embed_image(layer, dest, 0, h_offset);
- free_image(layer);
- }
- return dest;
+ int h = source.h;
+ h = (h+border)*source.c - border;
+ dn_image dest = make_image(source.w, h, 1);
+ int i;
+ for(i = 0; i < source.c; ++i){
+ dn_image layer = get_image_layer(source, i);
+ int h_offset = i*(source.h+border);
+ embed_image(layer, dest, 0, h_offset);
+ free_image(layer);
+ }
+ return dest;
}
void constrain_image(dn_image im)
{
- int i;
- for(i = 0; i < im.w*im.h*im.c; ++i){
- if(im.data[i] < 0) im.data[i] = 0;
- if(im.data[i] > 1) im.data[i] = 1;
- }
+ int i;
+ for(i = 0; i < im.w*im.h*im.c; ++i){
+ if(im.data[i] < 0) im.data[i] = 0;
+ if(im.data[i] > 1) im.data[i] = 1;
+ }
}
void normalize_image(dn_image p)
{
- int i;
- float min = 9999999;
- float max = -999999;
+ int i;
+ float min = 9999999;
+ float max = -999999;
- for(i = 0; i < p.h*p.w*p.c; ++i){
- float v = p.data[i];
- if(v < min) min = v;
- if(v > max) max = v;
- }
- if(max - min < .000000001){
- min = 0;
- max = 1;
- }
- for(i = 0; i < p.c*p.w*p.h; ++i){
- p.data[i] = (p.data[i] - min)/(max-min);
- }
+ for(i = 0; i < p.h*p.w*p.c; ++i){
+ float v = p.data[i];
+ if(v < min) min = v;
+ if(v > max) max = v;
+ }
+ if(max - min < .000000001){
+ min = 0;
+ max = 1;
+ }
+ for(i = 0; i < p.c*p.w*p.h; ++i){
+ p.data[i] = (p.data[i] - min)/(max-min);
+ }
}
void normalize_image2(dn_image p)
{
- float *min = calloc(p.c, sizeof(float));
- float *max = calloc(p.c, sizeof(float));
- int i,j;
- for(i = 0; i < p.c; ++i) min[i] = max[i] = p.data[i*p.h*p.w];
+ float *min = calloc(p.c, sizeof(float));
+ float *max = calloc(p.c, sizeof(float));
+ int i,j;
+ for(i = 0; i < p.c; ++i) min[i] = max[i] = p.data[i*p.h*p.w];
- for(j = 0; j < p.c; ++j){
- for(i = 0; i < p.h*p.w; ++i){
- float v = p.data[i+j*p.h*p.w];
- if(v < min[j]) min[j] = v;
- if(v > max[j]) max[j] = v;
- }
- }
- for(i = 0; i < p.c; ++i){
- if(max[i] - min[i] < .000000001){
- min[i] = 0;
- max[i] = 1;
- }
- }
- for(j = 0; j < p.c; ++j){
- for(i = 0; i < p.w*p.h; ++i){
- p.data[i+j*p.h*p.w] = (p.data[i+j*p.h*p.w] - min[j])/(max[j]-min[j]);
- }
- }
- free(min);
- free(max);
+ for(j = 0; j < p.c; ++j){
+ for(i = 0; i < p.h*p.w; ++i){
+ float v = p.data[i+j*p.h*p.w];
+ if(v < min[j]) min[j] = v;
+ if(v > max[j]) max[j] = v;
+ }
+ }
+ for(i = 0; i < p.c; ++i){
+ if(max[i] - min[i] < .000000001){
+ min[i] = 0;
+ max[i] = 1;
+ }
+ }
+ for(j = 0; j < p.c; ++j){
+ for(i = 0; i < p.w*p.h; ++i){
+ p.data[i+j*p.h*p.w] = (p.data[i+j*p.h*p.w] - min[j])/(max[j]-min[j]);
+ }
+ }
+ free(min);
+ free(max);
}
void copy_image_into(dn_image src, dn_image dest)
{
- memcpy(dest.data, src.data, src.h*src.w*src.c*sizeof(float));
+ memcpy(dest.data, src.data, src.h*src.w*src.c*sizeof(float));
}
dn_image copy_image(dn_image p)
{
- dn_image copy = p;
- copy.data = calloc(p.h*p.w*p.c, sizeof(float));
- memcpy(copy.data, p.data, p.h*p.w*p.c*sizeof(float));
- return copy;
+ dn_image copy = p;
+ copy.data = calloc(p.h*p.w*p.c, sizeof(float));
+ memcpy(copy.data, p.data, p.h*p.w*p.c*sizeof(float));
+ return copy;
}
void rgbgr_image(dn_image im)
{
- int i;
- for(i = 0; i < im.w*im.h; ++i){
- float swap = im.data[i];
- im.data[i] = im.data[i+im.w*im.h*2];
- im.data[i+im.w*im.h*2] = swap;
- }
+ int i;
+ for(i = 0; i < im.w*im.h; ++i){
+ float swap = im.data[i];
+ im.data[i] = im.data[i+im.w*im.h*2];
+ im.data[i+im.w*im.h*2] = swap;
+ }
}
int show_image(dn_image p, const char *name, int ms)
{
#ifdef OPENCV
- int c = show_image_cv(p, name, ms);
+ int c = show_image_cv(p, name, ms);
return c;
#else
- fprintf(stderr, "Not compiled with OpenCV, saving to %s.png instead\n", name);
- save_image(p, name);
- return -1;
+ fprintf(stderr, "Not compiled with OpenCV, saving to %s.png instead\n", name);
+ save_image(p, name);
+ return -1;
#endif
}
void save_image_options(dn_image im, const char *name, IMTYPE f, int quality)
{
- char buff[256];
- //sprintf(buff, "%s (%d)", name, windows);
- if(f == PNG) sprintf(buff, "%s.png", name);
- else if (f == BMP) sprintf(buff, "%s.bmp", name);
- else if (f == TGA) sprintf(buff, "%s.tga", name);
- else if (f == JPG) sprintf(buff, "%s.jpg", name);
- else sprintf(buff, "%s.png", name);
- unsigned char *data = calloc(im.w*im.h*im.c, sizeof(char));
- int i,k;
- for(k = 0; k < im.c; ++k){
- for(i = 0; i < im.w*im.h; ++i){
- data[i*im.c+k] = (unsigned char) (255*im.data[i + k*im.w*im.h]);
- }
- }
- int success = 0;
- if(f == PNG) success = stbi_write_png(buff, im.w, im.h, im.c, data, im.w*im.c);
- else if (f == BMP) success = stbi_write_bmp(buff, im.w, im.h, im.c, data);
- else if (f == TGA) success = stbi_write_tga(buff, im.w, im.h, im.c, data);
- else if (f == JPG) success = stbi_write_jpg(buff, im.w, im.h, im.c, data, quality);
- free(data);
- if(!success) fprintf(stderr, "Failed to write image %s\n", buff);
+ char buff[256];
+ //sprintf(buff, "%s (%d)", name, windows);
+ if(f == PNG) sprintf(buff, "%s.png", name);
+ else if (f == BMP) sprintf(buff, "%s.bmp", name);
+ else if (f == TGA) sprintf(buff, "%s.tga", name);
+ else if (f == JPG) sprintf(buff, "%s.jpg", name);
+ else sprintf(buff, "%s.png", name);
+ unsigned char *data = calloc(im.w*im.h*im.c, sizeof(char));
+ int i,k;
+ for(k = 0; k < im.c; ++k){
+ for(i = 0; i < im.w*im.h; ++i){
+ data[i*im.c+k] = (unsigned char) (255*im.data[i + k*im.w*im.h]);
+ }
+ }
+ int success = 0;
+ if(f == PNG) success = stbi_write_png(buff, im.w, im.h, im.c, data, im.w*im.c);
+ else if (f == BMP) success = stbi_write_bmp(buff, im.w, im.h, im.c, data);
+ else if (f == TGA) success = stbi_write_tga(buff, im.w, im.h, im.c, data);
+ else if (f == JPG) success = stbi_write_jpg(buff, im.w, im.h, im.c, data, quality);
+ free(data);
+ if(!success) fprintf(stderr, "Failed to write image %s\n", buff);
}
void save_image(dn_image im, const char *name)
{
- save_image_options(im, name, JPG, 80);
+ save_image_options(im, name, JPG, 80);
}
void show_image_layers(dn_image p, char *name)
{
- int i;
- char buff[256];
- for(i = 0; i < p.c; ++i){
- sprintf(buff, "%s - Layer %d", name, i);
- dn_image layer = get_image_layer(p, i);
- show_image(layer, buff, 1);
- free_image(layer);
- }
+ int i;
+ char buff[256];
+ for(i = 0; i < p.c; ++i){
+ sprintf(buff, "%s - Layer %d", name, i);
+ dn_image layer = get_image_layer(p, i);
+ show_image(layer, buff, 1);
+ free_image(layer);
+ }
}
void show_image_collapsed(dn_image p, char *name)
{
- dn_image c = collapse_image_layers(p, 1);
- show_image(c, name, 1);
- free_image(c);
+ dn_image c = collapse_image_layers(p, 1);
+ show_image(c, name, 1);
+ free_image(c);
}
dn_image make_empty_image(int w, int h, int c)
{
- dn_image out;
- out.data = 0;
- out.h = h;
- out.w = w;
- out.c = c;
- return out;
+ dn_image out;
+ out.data = 0;
+ out.h = h;
+ out.w = w;
+ out.c = c;
+ return out;
}
dn_image make_image(int w, int h, int c)
{
- dn_image out = make_empty_image(w,h,c);
- out.data = calloc(h*w*c, sizeof(float));
- return out;
+ dn_image out = make_empty_image(w,h,c);
+ out.data = calloc(h*w*c, sizeof(float));
+ return out;
}
dn_image make_random_image(int w, int h, int c)
{
- dn_image out = make_empty_image(w,h,c);
- out.data = calloc(h*w*c, sizeof(float));
- int i;
- for(i = 0; i < w*h*c; ++i){
- out.data[i] = (rand_normal() * .25) + .5;
- }
- return out;
+ dn_image out = make_empty_image(w,h,c);
+ out.data = calloc(h*w*c, sizeof(float));
+ int i;
+ for(i = 0; i < w*h*c; ++i){
+ out.data[i] = (rand_normal() * .25) + .5;
+ }
+ return out;
}
dn_image float_to_image(int w, int h, int c, float *data)
{
- dn_image out = make_empty_image(w,h,c);
- out.data = data;
- return out;
+ dn_image out = make_empty_image(w,h,c);
+ out.data = data;
+ return out;
}
void place_image(dn_image im, int w, int h, int dx, int dy, dn_image canvas)
{
- int x, y, c;
- for(c = 0; c < im.c; ++c){
- for(y = 0; y < h; ++y){
- for(x = 0; x < w; ++x){
- float rx = ((float)x / w) * im.w;
- float ry = ((float)y / h) * im.h;
- float val = bilinear_interpolate(im, rx, ry, c);
- set_pixel(canvas, x + dx, y + dy, c, val);
- }
- }
- }
+ int x, y, c;
+ for(c = 0; c < im.c; ++c){
+ for(y = 0; y < h; ++y){
+ for(x = 0; x < w; ++x){
+ float rx = ((float)x / w) * im.w;
+ float ry = ((float)y / h) * im.h;
+ float val = bilinear_interpolate(im, rx, ry, c);
+ set_pixel(canvas, x + dx, y + dy, c, val);
+ }
+ }
+ }
}
dn_image center_crop_image(dn_image im, int w, int h)
{
- int m = (im.w < im.h) ? im.w : im.h;
- dn_image c = crop_image(im, (im.w - m) / 2, (im.h - m)/2, m, m);
- dn_image r = resize_image(c, w, h);
- free_image(c);
- return r;
+ int m = (im.w < im.h) ? im.w : im.h;
+ dn_image c = crop_image(im, (im.w - m) / 2, (im.h - m)/2, m, m);
+ dn_image r = resize_image(c, w, h);
+ free_image(c);
+ return r;
}
dn_image rotate_crop_image(dn_image im, float rad, float s, int w, int h, float dx, float dy, float aspect)
{
- int x, y, c;
- float cx = im.w/2.;
- float cy = im.h/2.;
- dn_image rot = make_image(w, h, im.c);
- for(c = 0; c < im.c; ++c){
- for(y = 0; y < h; ++y){
- for(x = 0; x < w; ++x){
- float rx = cos(rad)*((x - w/2.)/s*aspect + dx/s*aspect) - sin(rad)*((y - h/2.)/s + dy/s) + cx;
- float ry = sin(rad)*((x - w/2.)/s*aspect + dx/s*aspect) + cos(rad)*((y - h/2.)/s + dy/s) + cy;
- float val = bilinear_interpolate(im, rx, ry, c);
- set_pixel(rot, x, y, c, val);
- }
- }
- }
- return rot;
+ int x, y, c;
+ float cx = im.w/2.;
+ float cy = im.h/2.;
+ dn_image rot = make_image(w, h, im.c);
+ for(c = 0; c < im.c; ++c){
+ for(y = 0; y < h; ++y){
+ for(x = 0; x < w; ++x){
+ float rx = cos(rad)*((x - w/2.)/s*aspect + dx/s*aspect) - sin(rad)*((y - h/2.)/s + dy/s) + cx;
+ float ry = sin(rad)*((x - w/2.)/s*aspect + dx/s*aspect) + cos(rad)*((y - h/2.)/s + dy/s) + cy;
+ float val = bilinear_interpolate(im, rx, ry, c);
+ set_pixel(rot, x, y, c, val);
+ }
+ }
+ }
+ return rot;
}
dn_image rotate_image(dn_image im, float rad)
{
- int x, y, c;
- float cx = im.w/2.;
- float cy = im.h/2.;
- dn_image rot = make_image(im.w, im.h, im.c);
- for(c = 0; c < im.c; ++c){
- for(y = 0; y < im.h; ++y){
- for(x = 0; x < im.w; ++x){
- float rx = cos(rad)*(x-cx) - sin(rad)*(y-cy) + cx;
- float ry = sin(rad)*(x-cx) + cos(rad)*(y-cy) + cy;
- float val = bilinear_interpolate(im, rx, ry, c);
- set_pixel(rot, x, y, c, val);
- }
- }
- }
- return rot;
+ int x, y, c;
+ float cx = im.w/2.;
+ float cy = im.h/2.;
+ dn_image rot = make_image(im.w, im.h, im.c);
+ for(c = 0; c < im.c; ++c){
+ for(y = 0; y < im.h; ++y){
+ for(x = 0; x < im.w; ++x){
+ float rx = cos(rad)*(x-cx) - sin(rad)*(y-cy) + cx;
+ float ry = sin(rad)*(x-cx) + cos(rad)*(y-cy) + cy;
+ float val = bilinear_interpolate(im, rx, ry, c);
+ set_pixel(rot, x, y, c, val);
+ }
+ }
+ }
+ return rot;
}
void fill_image(dn_image m, float s)
{
- int i;
- for(i = 0; i < m.h*m.w*m.c; ++i) m.data[i] = s;
+ int i;
+ for(i = 0; i < m.h*m.w*m.c; ++i) m.data[i] = s;
}
void translate_image(dn_image m, float s)
{
- int i;
- for(i = 0; i < m.h*m.w*m.c; ++i) m.data[i] += s;
+ int i;
+ for(i = 0; i < m.h*m.w*m.c; ++i) m.data[i] += s;
}
void scale_image(dn_image m, float s)
{
- int i;
- for(i = 0; i < m.h*m.w*m.c; ++i) m.data[i] *= s;
+ int i;
+ for(i = 0; i < m.h*m.w*m.c; ++i) m.data[i] *= s;
}
dn_image crop_image(dn_image im, int dx, int dy, int w, int h)
{
- dn_image cropped = make_image(w, h, im.c);
- int i, j, k;
- for(k = 0; k < im.c; ++k){
- for(j = 0; j < h; ++j){
- for(i = 0; i < w; ++i){
- int r = j + dy;
- int c = i + dx;
- float val = 0;
- r = constrain_int(r, 0, im.h-1);
- c = constrain_int(c, 0, im.w-1);
- val = get_pixel(im, c, r, k);
- set_pixel(cropped, i, j, k, val);
- }
- }
- }
- return cropped;
+ dn_image cropped = make_image(w, h, im.c);
+ int i, j, k;
+ for(k = 0; k < im.c; ++k){
+ for(j = 0; j < h; ++j){
+ for(i = 0; i < w; ++i){
+ int r = j + dy;
+ int c = i + dx;
+ float val = 0;
+ r = constrain_int(r, 0, im.h-1);
+ c = constrain_int(c, 0, im.w-1);
+ val = get_pixel(im, c, r, k);
+ set_pixel(cropped, i, j, k, val);
+ }
+ }
+ }
+ return cropped;
}
int best_3d_shift_r(dn_image a, dn_image b, int min, int max)
{
- if(min == max) return min;
- int mid = floor((min + max) / 2.);
- dn_image c1 = crop_image(b, 0, mid, b.w, b.h);
- dn_image c2 = crop_image(b, 0, mid+1, b.w, b.h);
- float d1 = dist_array(c1.data, a.data, a.w*a.h*a.c, 10);
- float d2 = dist_array(c2.data, a.data, a.w*a.h*a.c, 10);
- free_image(c1);
- free_image(c2);
- if(d1 < d2) return best_3d_shift_r(a, b, min, mid);
- else return best_3d_shift_r(a, b, mid+1, max);
+ if(min == max) return min;
+ int mid = floor((min + max) / 2.);
+ dn_image c1 = crop_image(b, 0, mid, b.w, b.h);
+ dn_image c2 = crop_image(b, 0, mid+1, b.w, b.h);
+ float d1 = dist_array(c1.data, a.data, a.w*a.h*a.c, 10);
+ float d2 = dist_array(c2.data, a.data, a.w*a.h*a.c, 10);
+ free_image(c1);
+ free_image(c2);
+ if(d1 < d2) return best_3d_shift_r(a, b, min, mid);
+ else return best_3d_shift_r(a, b, mid+1, max);
}
int best_3d_shift(dn_image a, dn_image b, int min, int max)
{
- int i;
- int best = 0;
- float best_distance = FLT_MAX;
- for(i = min; i <= max; i += 2){
- dn_image c = crop_image(b, 0, i, b.w, b.h);
- float d = dist_array(c.data, a.data, a.w*a.h*a.c, 100);
- if(d < best_distance){
- best_distance = d;
- best = i;
- }
- printf("%d %f\n", i, d);
- free_image(c);
- }
- return best;
+ int i;
+ int best = 0;
+ float best_distance = FLT_MAX;
+ for(i = min; i <= max; i += 2){
+ dn_image c = crop_image(b, 0, i, b.w, b.h);
+ float d = dist_array(c.data, a.data, a.w*a.h*a.c, 100);
+ if(d < best_distance){
+ best_distance = d;
+ best = i;
+ }
+ printf("%d %f\n", i, d);
+ free_image(c);
+ }
+ return best;
}
void composite_3d(char *f1, char *f2, char *out, int delta)
{
- if(!out) out = "out";
- dn_image a = load_image(f1, 0,0,0);
- dn_image b = load_image(f2, 0,0,0);
- int shift = best_3d_shift_r(a, b, -a.h/100, a.h/100);
+ if(!out) out = "out";
+ dn_image a = load_image(f1, 0,0,0);
+ dn_image b = load_image(f2, 0,0,0);
+ int shift = best_3d_shift_r(a, b, -a.h/100, a.h/100);
- dn_image c1 = crop_image(b, 10, shift, b.w, b.h);
- float d1 = dist_array(c1.data, a.data, a.w*a.h*a.c, 100);
- dn_image c2 = crop_image(b, -10, shift, b.w, b.h);
- float d2 = dist_array(c2.data, a.data, a.w*a.h*a.c, 100);
+ dn_image c1 = crop_image(b, 10, shift, b.w, b.h);
+ float d1 = dist_array(c1.data, a.data, a.w*a.h*a.c, 100);
+ dn_image c2 = crop_image(b, -10, shift, b.w, b.h);
+ float d2 = dist_array(c2.data, a.data, a.w*a.h*a.c, 100);
- if(d2 < d1 && 0){
- dn_image swap = a;
- a = b;
- b = swap;
- shift = -shift;
- printf("swapped, %d\n", shift);
- }
- else{
- printf("%d\n", shift);
- }
+ if(d2 < d1 && 0){
+ dn_image swap = a;
+ a = b;
+ b = swap;
+ shift = -shift;
+ printf("swapped, %d\n", shift);
+ }
+ else{
+ printf("%d\n", shift);
+ }
- dn_image c = crop_image(b, delta, shift, a.w, a.h);
- int i;
- for(i = 0; i < c.w*c.h; ++i){
- c.data[i] = a.data[i];
- }
- save_image(c, out);
+ dn_image c = crop_image(b, delta, shift, a.w, a.h);
+ int i;
+ for(i = 0; i < c.w*c.h; ++i){
+ c.data[i] = a.data[i];
+ }
+ save_image(c, out);
}
void letterbox_image_into(dn_image im, int w, int h, dn_image boxed)
{
- int new_w = im.w;
- int new_h = im.h;
- if (((float)w/im.w) < ((float)h/im.h)) {
- new_w = w;
- new_h = (im.h * w)/im.w;
- } else {
- new_h = h;
- new_w = (im.w * h)/im.h;
- }
- dn_image resized = resize_image(im, new_w, new_h);
- embed_image(resized, boxed, (w-new_w)/2, (h-new_h)/2);
- free_image(resized);
+ int new_w = im.w;
+ int new_h = im.h;
+ if (((float)w/im.w) < ((float)h/im.h)) {
+ new_w = w;
+ new_h = (im.h * w)/im.w;
+ } else {
+ new_h = h;
+ new_w = (im.w * h)/im.h;
+ }
+ dn_image resized = resize_image(im, new_w, new_h);
+ embed_image(resized, boxed, (w-new_w)/2, (h-new_h)/2);
+ free_image(resized);
}
dn_image letterbox_image(dn_image im, int w, int h)
{
- int new_w = im.w;
- int new_h = im.h;
- if (((float)w/im.w) < ((float)h/im.h)) {
- new_w = w;
- new_h = (im.h * w)/im.w;
- } else {
- new_h = h;
- new_w = (im.w * h)/im.h;
- }
- dn_image resized = resize_image(im, new_w, new_h);
- dn_image boxed = make_image(w, h, im.c);
- fill_image(boxed, .5);
- //int i;
- //for(i = 0; i < boxed.w*boxed.h*boxed.c; ++i) boxed.data[i] = 0;
- embed_image(resized, boxed, (w-new_w)/2, (h-new_h)/2);
- free_image(resized);
- return boxed;
+ int new_w = im.w;
+ int new_h = im.h;
+ if (((float)w/im.w) < ((float)h/im.h)) {
+ new_w = w;
+ new_h = (im.h * w)/im.w;
+ } else {
+ new_h = h;
+ new_w = (im.w * h)/im.h;
+ }
+ dn_image resized = resize_image(im, new_w, new_h);
+ dn_image boxed = make_image(w, h, im.c);
+ fill_image(boxed, .5);
+ //int i;
+ //for(i = 0; i < boxed.w*boxed.h*boxed.c; ++i) boxed.data[i] = 0;
+ embed_image(resized, boxed, (w-new_w)/2, (h-new_h)/2);
+ free_image(resized);
+ return boxed;
}
dn_image resize_max(dn_image im, int max)
{
- int w = im.w;
- int h = im.h;
- if(w > h){
- h = (h * max) / w;
- w = max;
- } else {
- w = (w * max) / h;
- h = max;
- }
- if(w == im.w && h == im.h) return im;
- dn_image resized = resize_image(im, w, h);
- return resized;
+ int w = im.w;
+ int h = im.h;
+ if(w > h){
+ h = (h * max) / w;
+ w = max;
+ } else {
+ w = (w * max) / h;
+ h = max;
+ }
+ if(w == im.w && h == im.h) return im;
+ dn_image resized = resize_image(im, w, h);
+ return resized;
}
dn_image resize_min(dn_image im, int min)
{
- int w = im.w;
- int h = im.h;
- if(w < h){
- h = (h * min) / w;
- w = min;
- } else {
- w = (w * min) / h;
- h = min;
- }
- if(w == im.w && h == im.h) return im;
- dn_image resized = resize_image(im, w, h);
- return resized;
+ int w = im.w;
+ int h = im.h;
+ if(w < h){
+ h = (h * min) / w;
+ w = min;
+ } else {
+ w = (w * min) / h;
+ h = min;
+ }
+ if(w == im.w && h == im.h) return im;
+ dn_image resized = resize_image(im, w, h);
+ return resized;
}
dn_image random_crop_image(dn_image im, int w, int h)
{
- int dx = rand_int(0, im.w - w);
- int dy = rand_int(0, im.h - h);
- dn_image crop = crop_image(im, dx, dy, w, h);
- return crop;
+ int dx = rand_int(0, im.w - w);
+ int dy = rand_int(0, im.h - h);
+ dn_image crop = crop_image(im, dx, dy, w, h);
+ return crop;
}
augment_args random_augment_args(dn_image im, float angle, float aspect, int low, int high, int w, int h)
{
- augment_args a = {0};
- aspect = rand_scale(aspect);
- int r = rand_int(low, high);
- int min = (im.h < im.w*aspect) ? im.h : im.w*aspect;
- float scale = (float)r / min;
+ augment_args a = {0};
+ aspect = rand_scale(aspect);
+ int r = rand_int(low, high);
+ int min = (im.h < im.w*aspect) ? im.h : im.w*aspect;
+ float scale = (float)r / min;
- float rad = rand_uniform(-angle, angle) * TWO_PI / 360.;
+ float rad = rand_uniform(-angle, angle) * TWO_PI / 360.;
- float dx = (im.w*scale/aspect - w) / 2.;
- float dy = (im.h*scale - w) / 2.;
- //if(dx < 0) dx = 0;
- //if(dy < 0) dy = 0;
- dx = rand_uniform(-dx, dx);
- dy = rand_uniform(-dy, dy);
+ float dx = (im.w*scale/aspect - w) / 2.;
+ float dy = (im.h*scale - w) / 2.;
+ //if(dx < 0) dx = 0;
+ //if(dy < 0) dy = 0;
+ dx = rand_uniform(-dx, dx);
+ dy = rand_uniform(-dy, dy);
- a.rad = rad;
- a.scale = scale;
- a.w = w;
- a.h = h;
- a.dx = dx;
- a.dy = dy;
- a.aspect = aspect;
- return a;
+ a.rad = rad;
+ a.scale = scale;
+ a.w = w;
+ a.h = h;
+ a.dx = dx;
+ a.dy = dy;
+ a.aspect = aspect;
+ return a;
}
dn_image random_augment_image(dn_image im, float angle, float aspect, int low, int high, int w, int h)
{
- augment_args a = random_augment_args(im, angle, aspect, low, high, w, h);
- dn_image crop = rotate_crop_image(im, a.rad, a.scale, a.w, a.h, a.dx, a.dy, a.aspect);
- return crop;
+ augment_args a = random_augment_args(im, angle, aspect, low, high, w, h);
+ dn_image crop = rotate_crop_image(im, a.rad, a.scale, a.w, a.h, a.dx, a.dy, a.aspect);
+ return crop;
}
float three_way_max(float a, float b, float c)
{
- return (a > b) ? ( (a > c) ? a : c) : ( (b > c) ? b : c) ;
+ return (a > b) ? ( (a > c) ? a : c) : ( (b > c) ? b : c) ;
}
float three_way_min(float a, float b, float c)
{
- return (a < b) ? ( (a < c) ? a : c) : ( (b < c) ? b : c) ;
+ return (a < b) ? ( (a < c) ? a : c) : ( (b < c) ? b : c) ;
}
void yuv_to_rgb(dn_image im)
{
- assert(im.c == 3);
- int i, j;
- float r, g, b;
- float y, u, v;
- for(j = 0; j < im.h; ++j){
- for(i = 0; i < im.w; ++i){
- y = get_pixel(im, i , j, 0);
- u = get_pixel(im, i , j, 1);
- v = get_pixel(im, i , j, 2);
+ assert(im.c == 3);
+ int i, j;
+ float r, g, b;
+ float y, u, v;
+ for(j = 0; j < im.h; ++j){
+ for(i = 0; i < im.w; ++i){
+ y = get_pixel(im, i , j, 0);
+ u = get_pixel(im, i , j, 1);
+ v = get_pixel(im, i , j, 2);
- r = y + 1.13983*v;
- g = y + -.39465*u + -.58060*v;
- b = y + 2.03211*u;
+ r = y + 1.13983*v;
+ g = y + -.39465*u + -.58060*v;
+ b = y + 2.03211*u;
- set_pixel(im, i, j, 0, r);
- set_pixel(im, i, j, 1, g);
- set_pixel(im, i, j, 2, b);
- }
- }
+ set_pixel(im, i, j, 0, r);
+ set_pixel(im, i, j, 1, g);
+ set_pixel(im, i, j, 2, b);
+ }
+ }
}
void rgb_to_yuv(dn_image im)
{
- assert(im.c == 3);
- int i, j;
- float r, g, b;
- float y, u, v;
- for(j = 0; j < im.h; ++j){
- for(i = 0; i < im.w; ++i){
- r = get_pixel(im, i , j, 0);
- g = get_pixel(im, i , j, 1);
- b = get_pixel(im, i , j, 2);
+ assert(im.c == 3);
+ int i, j;
+ float r, g, b;
+ float y, u, v;
+ for(j = 0; j < im.h; ++j){
+ for(i = 0; i < im.w; ++i){
+ r = get_pixel(im, i , j, 0);
+ g = get_pixel(im, i , j, 1);
+ b = get_pixel(im, i , j, 2);
- y = .299*r + .587*g + .114*b;
- u = -.14713*r + -.28886*g + .436*b;
- v = .615*r + -.51499*g + -.10001*b;
+ y = .299*r + .587*g + .114*b;
+ u = -.14713*r + -.28886*g + .436*b;
+ v = .615*r + -.51499*g + -.10001*b;
- set_pixel(im, i, j, 0, y);
- set_pixel(im, i, j, 1, u);
- set_pixel(im, i, j, 2, v);
- }
- }
+ set_pixel(im, i, j, 0, y);
+ set_pixel(im, i, j, 1, u);
+ set_pixel(im, i, j, 2, v);
+ }
+ }
}
// http://www.cs.rit.edu/~ncs/color/t_convert.html
void rgb_to_hsv(dn_image im)
{
- assert(im.c == 3);
- int i, j;
- float r, g, b;
- float h, s, v;
- for(j = 0; j < im.h; ++j){
- for(i = 0; i < im.w; ++i){
- r = get_pixel(im, i , j, 0);
- g = get_pixel(im, i , j, 1);
- b = get_pixel(im, i , j, 2);
- float max = three_way_max(r,g,b);
- float min = three_way_min(r,g,b);
- float delta = max - min;
- v = max;
- if(max == 0){
- s = 0;
- h = 0;
- }else{
- s = delta/max;
- if(r == max){
- h = (g - b) / delta;
- } else if (g == max) {
- h = 2 + (b - r) / delta;
- } else {
- h = 4 + (r - g) / delta;
- }
- if (h < 0) h += 6;
- h = h/6.;
+ assert(im.c == 3);
+ int i, j;
+ float r, g, b;
+ float h, s, v;
+ for(j = 0; j < im.h; ++j){
+ for(i = 0; i < im.w; ++i){
+ r = get_pixel(im, i , j, 0);
+ g = get_pixel(im, i , j, 1);
+ b = get_pixel(im, i , j, 2);
+ float max = three_way_max(r,g,b);
+ float min = three_way_min(r,g,b);
+ float delta = max - min;
+ v = max;
+ if(max == 0){
+ s = 0;
+ h = 0;
+ }else{
+ s = delta/max;
+ if(r == max){
+ h = (g - b) / delta;
+ } else if (g == max) {
+ h = 2 + (b - r) / delta;
+ } else {
+ h = 4 + (r - g) / delta;
}
- set_pixel(im, i, j, 0, h);
- set_pixel(im, i, j, 1, s);
- set_pixel(im, i, j, 2, v);
- }
- }
+ if (h < 0) h += 6;
+ h = h/6.;
+ }
+ set_pixel(im, i, j, 0, h);
+ set_pixel(im, i, j, 1, s);
+ set_pixel(im, i, j, 2, v);
+ }
+ }
}
void hsv_to_rgb(dn_image im)
{
- assert(im.c == 3);
- int i, j;
- float r, g, b;
- float h, s, v;
- float f, p, q, t;
- for(j = 0; j < im.h; ++j){
- for(i = 0; i < im.w; ++i){
- h = 6 * get_pixel(im, i , j, 0);
- s = get_pixel(im, i , j, 1);
- v = get_pixel(im, i , j, 2);
- if (s == 0) {
- r = g = b = v;
+ assert(im.c == 3);
+ int i, j;
+ float r, g, b;
+ float h, s, v;
+ float f, p, q, t;
+ for(j = 0; j < im.h; ++j){
+ for(i = 0; i < im.w; ++i){
+ h = 6 * get_pixel(im, i , j, 0);
+ s = get_pixel(im, i , j, 1);
+ v = get_pixel(im, i , j, 2);
+ if (s == 0) {
+ r = g = b = v;
+ } else {
+ int index = floor(h);
+ f = h - index;
+ p = v*(1-s);
+ q = v*(1-s*f);
+ t = v*(1-s*(1-f));
+ if(index == 0){
+ r = v; g = t; b = p;
+ } else if(index == 1){
+ r = q; g = v; b = p;
+ } else if(index == 2){
+ r = p; g = v; b = t;
+ } else if(index == 3){
+ r = p; g = q; b = v;
+ } else if(index == 4){
+ r = t; g = p; b = v;
} else {
- int index = floor(h);
- f = h - index;
- p = v*(1-s);
- q = v*(1-s*f);
- t = v*(1-s*(1-f));
- if(index == 0){
- r = v; g = t; b = p;
- } else if(index == 1){
- r = q; g = v; b = p;
- } else if(index == 2){
- r = p; g = v; b = t;
- } else if(index == 3){
- r = p; g = q; b = v;
- } else if(index == 4){
- r = t; g = p; b = v;
- } else {
- r = v; g = p; b = q;
- }
+ r = v; g = p; b = q;
}
- set_pixel(im, i, j, 0, r);
- set_pixel(im, i, j, 1, g);
- set_pixel(im, i, j, 2, b);
- }
- }
+ }
+ set_pixel(im, i, j, 0, r);
+ set_pixel(im, i, j, 1, g);
+ set_pixel(im, i, j, 2, b);
+ }
+ }
}
void grayscale_image_3c(dn_image im)
{
- assert(im.c == 3);
- int i, j, k;
- float scale[] = {0.299, 0.587, 0.114};
- for(j = 0; j < im.h; ++j){
- for(i = 0; i < im.w; ++i){
- float val = 0;
- for(k = 0; k < 3; ++k){
- val += scale[k]*get_pixel(im, i, j, k);
- }
- im.data[0*im.h*im.w + im.w*j + i] = val;
- im.data[1*im.h*im.w + im.w*j + i] = val;
- im.data[2*im.h*im.w + im.w*j + i] = val;
- }
- }
+ assert(im.c == 3);
+ int i, j, k;
+ float scale[] = {0.299, 0.587, 0.114};
+ for(j = 0; j < im.h; ++j){
+ for(i = 0; i < im.w; ++i){
+ float val = 0;
+ for(k = 0; k < 3; ++k){
+ val += scale[k]*get_pixel(im, i, j, k);
+ }
+ im.data[0*im.h*im.w + im.w*j + i] = val;
+ im.data[1*im.h*im.w + im.w*j + i] = val;
+ im.data[2*im.h*im.w + im.w*j + i] = val;
+ }
+ }
}
dn_image grayscale_image(dn_image im)
{
- assert(im.c == 3);
- int i, j, k;
- dn_image gray = make_image(im.w, im.h, 1);
- float scale[] = {0.299, 0.587, 0.114};
- for(k = 0; k < im.c; ++k){
- for(j = 0; j < im.h; ++j){
- for(i = 0; i < im.w; ++i){
- gray.data[i+im.w*j] += scale[k]*get_pixel(im, i, j, k);
- }
- }
- }
- return gray;
+ assert(im.c == 3);
+ int i, j, k;
+ dn_image gray = make_image(im.w, im.h, 1);
+ float scale[] = {0.299, 0.587, 0.114};
+ for(k = 0; k < im.c; ++k){
+ for(j = 0; j < im.h; ++j){
+ for(i = 0; i < im.w; ++i){
+ gray.data[i+im.w*j] += scale[k]*get_pixel(im, i, j, k);
+ }
+ }
+ }
+ return gray;
}
dn_image threshold_image(dn_image im, float thresh)
{
- int i;
- dn_image t = make_image(im.w, im.h, im.c);
- for(i = 0; i < im.w*im.h*im.c; ++i){
- t.data[i] = im.data[i]>thresh ? 1 : 0;
- }
- return t;
+ int i;
+ dn_image t = make_image(im.w, im.h, im.c);
+ for(i = 0; i < im.w*im.h*im.c; ++i){
+ t.data[i] = im.data[i]>thresh ? 1 : 0;
+ }
+ return t;
}
dn_image blend_image(dn_image fore, dn_image back, float alpha)
{
- assert(fore.w == back.w && fore.h == back.h && fore.c == back.c);
- dn_image blend = make_image(fore.w, fore.h, fore.c);
- int i, j, k;
- for(k = 0; k < fore.c; ++k){
- for(j = 0; j < fore.h; ++j){
- for(i = 0; i < fore.w; ++i){
- float val = alpha * get_pixel(fore, i, j, k) +
- (1 - alpha)* get_pixel(back, i, j, k);
- set_pixel(blend, i, j, k, val);
- }
- }
- }
- return blend;
+ assert(fore.w == back.w && fore.h == back.h && fore.c == back.c);
+ dn_image blend = make_image(fore.w, fore.h, fore.c);
+ int i, j, k;
+ for(k = 0; k < fore.c; ++k){
+ for(j = 0; j < fore.h; ++j){
+ for(i = 0; i < fore.w; ++i){
+ float val = alpha * get_pixel(fore, i, j, k) +
+ (1 - alpha)* get_pixel(back, i, j, k);
+ set_pixel(blend, i, j, k, val);
+ }
+ }
+ }
+ return blend;
}
void scale_image_channel(dn_image im, int c, float v)
{
- int i, j;
- for(j = 0; j < im.h; ++j){
- for(i = 0; i < im.w; ++i){
- float pix = get_pixel(im, i, j, c);
- pix = pix*v;
- set_pixel(im, i, j, c, pix);
- }
- }
+ int i, j;
+ for(j = 0; j < im.h; ++j){
+ for(i = 0; i < im.w; ++i){
+ float pix = get_pixel(im, i, j, c);
+ pix = pix*v;
+ set_pixel(im, i, j, c, pix);
+ }
+ }
}
void translate_image_channel(dn_image im, int c, float v)
{
- int i, j;
- for(j = 0; j < im.h; ++j){
- for(i = 0; i < im.w; ++i){
- float pix = get_pixel(im, i, j, c);
- pix = pix+v;
- set_pixel(im, i, j, c, pix);
- }
- }
+ int i, j;
+ for(j = 0; j < im.h; ++j){
+ for(i = 0; i < im.w; ++i){
+ float pix = get_pixel(im, i, j, c);
+ pix = pix+v;
+ set_pixel(im, i, j, c, pix);
+ }
+ }
}
dn_image binarize_image(dn_image im)
{
- dn_image c = copy_image(im);
- int i;
- for(i = 0; i < im.w * im.h * im.c; ++i){
- if(c.data[i] > .5) c.data[i] = 1;
- else c.data[i] = 0;
- }
- return c;
+ dn_image c = copy_image(im);
+ int i;
+ for(i = 0; i < im.w * im.h * im.c; ++i){
+ if(c.data[i] > .5) c.data[i] = 1;
+ else c.data[i] = 0;
+ }
+ return c;
}
void saturate_image(dn_image im, float sat)
{
- rgb_to_hsv(im);
- scale_image_channel(im, 1, sat);
- hsv_to_rgb(im);
- constrain_image(im);
+ rgb_to_hsv(im);
+ scale_image_channel(im, 1, sat);
+ hsv_to_rgb(im);
+ constrain_image(im);
}
void hue_image(dn_image im, float hue)
{
- rgb_to_hsv(im);
- int i;
- for(i = 0; i < im.w*im.h; ++i){
- im.data[i] = im.data[i] + hue;
- if (im.data[i] > 1) im.data[i] -= 1;
- if (im.data[i] < 0) im.data[i] += 1;
- }
- hsv_to_rgb(im);
- constrain_image(im);
+ rgb_to_hsv(im);
+ int i;
+ for(i = 0; i < im.w*im.h; ++i){
+ im.data[i] = im.data[i] + hue;
+ if (im.data[i] > 1) im.data[i] -= 1;
+ if (im.data[i] < 0) im.data[i] += 1;
+ }
+ hsv_to_rgb(im);
+ constrain_image(im);
}
void exposure_image(dn_image im, float sat)
{
- rgb_to_hsv(im);
- scale_image_channel(im, 2, sat);
- hsv_to_rgb(im);
- constrain_image(im);
+ rgb_to_hsv(im);
+ scale_image_channel(im, 2, sat);
+ hsv_to_rgb(im);
+ constrain_image(im);
}
void distort_image(dn_image im, float hue, float sat, float val)
{
- rgb_to_hsv(im);
- scale_image_channel(im, 1, sat);
- scale_image_channel(im, 2, val);
- int i;
- for(i = 0; i < im.w*im.h; ++i){
- im.data[i] = im.data[i] + hue;
- if (im.data[i] > 1) im.data[i] -= 1;
- if (im.data[i] < 0) im.data[i] += 1;
- }
- hsv_to_rgb(im);
- constrain_image(im);
+ rgb_to_hsv(im);
+ scale_image_channel(im, 1, sat);
+ scale_image_channel(im, 2, val);
+ int i;
+ for(i = 0; i < im.w*im.h; ++i){
+ im.data[i] = im.data[i] + hue;
+ if (im.data[i] > 1) im.data[i] -= 1;
+ if (im.data[i] < 0) im.data[i] += 1;
+ }
+ hsv_to_rgb(im);
+ constrain_image(im);
}
void random_distort_image(dn_image im, float hue, float saturation, float exposure)
{
- float dhue = rand_uniform(-hue, hue);
- float dsat = rand_scale(saturation);
- float dexp = rand_scale(exposure);
- distort_image(im, dhue, dsat, dexp);
+ float dhue = rand_uniform(-hue, hue);
+ float dsat = rand_scale(saturation);
+ float dexp = rand_scale(exposure);
+ distort_image(im, dhue, dsat, dexp);
}
void saturate_exposure_image(dn_image im, float sat, float exposure)
{
- rgb_to_hsv(im);
- scale_image_channel(im, 1, sat);
- scale_image_channel(im, 2, exposure);
- hsv_to_rgb(im);
- constrain_image(im);
+ rgb_to_hsv(im);
+ scale_image_channel(im, 1, sat);
+ scale_image_channel(im, 2, exposure);
+ hsv_to_rgb(im);
+ constrain_image(im);
}
dn_image resize_image(dn_image im, int w, int h)
{
- dn_image resized = make_image(w, h, im.c);
- dn_image part = make_image(w, im.h, im.c);
- int r, c, k;
- float w_scale = (float)(im.w - 1) / (w - 1);
- float h_scale = (float)(im.h - 1) / (h - 1);
- for(k = 0; k < im.c; ++k){
- for(r = 0; r < im.h; ++r){
- for(c = 0; c < w; ++c){
- float val = 0;
- if(c == w-1 || im.w == 1){
- val = get_pixel(im, im.w-1, r, k);
- } else {
- float sx = c*w_scale;
- int ix = (int) sx;
- float dx = sx - ix;
- val = (1 - dx) * get_pixel(im, ix, r, k) + dx * get_pixel(im, ix+1, r, k);
- }
- set_pixel(part, c, r, k, val);
+ dn_image resized = make_image(w, h, im.c);
+ dn_image part = make_image(w, im.h, im.c);
+ int r, c, k;
+ float w_scale = (float)(im.w - 1) / (w - 1);
+ float h_scale = (float)(im.h - 1) / (h - 1);
+ for(k = 0; k < im.c; ++k){
+ for(r = 0; r < im.h; ++r){
+ for(c = 0; c < w; ++c){
+ float val = 0;
+ if(c == w-1 || im.w == 1){
+ val = get_pixel(im, im.w-1, r, k);
+ } else {
+ float sx = c*w_scale;
+ int ix = (int) sx;
+ float dx = sx - ix;
+ val = (1 - dx) * get_pixel(im, ix, r, k) + dx * get_pixel(im, ix+1, r, k);
}
- }
- }
- for(k = 0; k < im.c; ++k){
- for(r = 0; r < h; ++r){
- float sy = r*h_scale;
- int iy = (int) sy;
- float dy = sy - iy;
- for(c = 0; c < w; ++c){
- float val = (1-dy) * get_pixel(part, c, iy, k);
- set_pixel(resized, c, r, k, val);
- }
- if(r == h-1 || im.h == 1) continue;
- for(c = 0; c < w; ++c){
- float val = dy * get_pixel(part, c, iy+1, k);
- add_pixel(resized, c, r, k, val);
- }
- }
- }
+ set_pixel(part, c, r, k, val);
+ }
+ }
+ }
+ for(k = 0; k < im.c; ++k){
+ for(r = 0; r < h; ++r){
+ float sy = r*h_scale;
+ int iy = (int) sy;
+ float dy = sy - iy;
+ for(c = 0; c < w; ++c){
+ float val = (1-dy) * get_pixel(part, c, iy, k);
+ set_pixel(resized, c, r, k, val);
+ }
+ if(r == h-1 || im.h == 1) continue;
+ for(c = 0; c < w; ++c){
+ float val = dy * get_pixel(part, c, iy+1, k);
+ add_pixel(resized, c, r, k, val);
+ }
+ }
+ }
- free_image(part);
- return resized;
+ free_image(part);
+ return resized;
}
void test_resize(const char *filename)
{
- dn_image im = load_image(filename, 0,0, 3);
- float mag = mag_array(im.data, im.w*im.h*im.c);
- printf("L2 Norm: %f\n", mag);
- dn_image gray = grayscale_image(im);
+ dn_image im = load_image(filename, 0,0, 3);
+ float mag = mag_array(im.data, im.w*im.h*im.c);
+ printf("L2 Norm: %f\n", mag);
+ dn_image gray = grayscale_image(im);
- dn_image c1 = copy_image(im);
- dn_image c2 = copy_image(im);
- dn_image c3 = copy_image(im);
- dn_image c4 = copy_image(im);
- distort_image(c1, .1, 1.5, 1.5);
- distort_image(c2, -.1, .66666, .66666);
- distort_image(c3, .1, 1.5, .66666);
- distort_image(c4, .1, .66666, 1.5);
+ dn_image c1 = copy_image(im);
+ dn_image c2 = copy_image(im);
+ dn_image c3 = copy_image(im);
+ dn_image c4 = copy_image(im);
+ distort_image(c1, .1, 1.5, 1.5);
+ distort_image(c2, -.1, .66666, .66666);
+ distort_image(c3, .1, 1.5, .66666);
+ distort_image(c4, .1, .66666, 1.5);
- show_image(im, "Original", 1);
- show_image(gray, "Gray", 1);
- show_image(c1, "C1", 1);
- show_image(c2, "C2", 1);
- show_image(c3, "C3", 1);
- show_image(c4, "C4", 1);
+ show_image(im, "Original", 1);
+ show_image(gray, "Gray", 1);
+ show_image(c1, "C1", 1);
+ show_image(c2, "C2", 1);
+ show_image(c3, "C3", 1);
+ show_image(c4, "C4", 1);
#ifdef OPENCV
- while(1){
+ while(1){
image aug = random_augment_image(im, 0, .75, 320, 448, 320, 320);
show_image(aug, "aug", 1);
free_image(aug);
@@ -1292,175 +1292,184 @@ void test_resize(const char *filename)
dn_image load_image_stb(const char *filename, int channels)
{
- int w, h, c;
- unsigned char *data = stbi_load(filename, &w, &h, &c, channels);
- if (!data) {
- fprintf(stderr, "Cannot load image \"%s\"\nSTB Reason: %s\n", filename, stbi_failure_reason());
- exit(0);
- }
- if(channels) c = channels;
- int i,j,k;
- dn_image im = make_image(w, h, c);
- for(k = 0; k < c; ++k){
- for(j = 0; j < h; ++j){
- for(i = 0; i < w; ++i){
- int dst_index = i + w*j + w*h*k;
- int src_index = k + c*i + c*w*j;
- im.data[dst_index] = (float)data[src_index]/255.;
- }
- }
- }
- free(data);
- return im;
+ int w, h, c;
+ void* data;
+ int is_16bit = stbi_is_16_bit(filename);
+ if (is_16bit)
+ data = stbi_load_16(filename, &w, &h, &c, channels);
+ else
+ data = stbi_load(filename, &w, &h, &c, channels);
+ if (!data) {
+ fprintf(stderr, "Cannot load image \"%s\"\nSTB Reason: %s\n", filename, stbi_failure_reason());
+ exit(0);
+ }
+ if(channels)
+ c = channels;
+ int i, j, k, dst_index, src_index;
+ dn_image im = make_image(w, h, c);
+ for(k = 0; k < c; ++k){
+ for(j = 0; j < h; ++j){
+ for(i = 0; i < w; ++i){
+ dst_index = i + w*j + w*h*k;
+ src_index = k + c*i + c*w*j;
+ if (is_16bit)
+ im.data[dst_index] = (float) ((unsigned short*)data)[src_index] / 65535.0;
+ else
+ im.data[dst_index] = (float) ((unsigned char*)data)[src_index] / 255.0;
+ }
+ }
+ }
+ free(data);
+ return im;
}
dn_image load_image(const char *filename, int w, int h, int c)
{
#ifdef OPENCV
- image out = load_image_cv(filename, c);
+ image out = load_image_cv(filename, c);
#else
- dn_image out = load_image_stb(filename, c);
+ dn_image out = load_image_stb(filename, c);
#endif
- if((h && w) && (h != out.h || w != out.w)){
- dn_image resized = resize_image(out, w, h);
- free_image(out);
- out = resized;
- }
- return out;
+ if((h && w) && (h != out.h || w != out.w)){
+ dn_image resized = resize_image(out, w, h);
+ free_image(out);
+ out = resized;
+ }
+ return out;
}
dn_image load_image_color(const char *filename, int w, int h)
{
- return load_image(filename, w, h, 3);
+ return load_image(filename, w, h, 3);
}
dn_image get_image_layer(dn_image m, int l)
{
- dn_image out = make_image(m.w, m.h, 1);
- int i;
- for(i = 0; i < m.h*m.w; ++i){
- out.data[i] = m.data[i+l*m.h*m.w];
- }
- return out;
+ dn_image out = make_image(m.w, m.h, 1);
+ int i;
+ for(i = 0; i < m.h*m.w; ++i){
+ out.data[i] = m.data[i+l*m.h*m.w];
+ }
+ return out;
}
void print_image(dn_image m)
{
- int i, j, k;
- for(i =0 ; i < m.c; ++i){
- for(j =0 ; j < m.h; ++j){
- for(k = 0; k < m.w; ++k){
- printf("%.2lf, ", m.data[i*m.h*m.w + j*m.w + k]);
- if(k > 30) break;
- }
- printf("\n");
- if(j > 30) break;
- }
- printf("\n");
- }
- printf("\n");
+ int i, j, k;
+ for(i =0 ; i < m.c; ++i){
+ for(j =0 ; j < m.h; ++j){
+ for(k = 0; k < m.w; ++k){
+ printf("%.2lf, ", m.data[i*m.h*m.w + j*m.w + k]);
+ if(k > 30) break;
+ }
+ printf("\n");
+ if(j > 30) break;
+ }
+ printf("\n");
+ }
+ printf("\n");
}
dn_image collapse_images_vert(dn_image *ims, int n)
{
- int color = 1;
- int border = 1;
- int h,w,c;
- w = ims[0].w;
- h = (ims[0].h + border) * n - border;
- c = ims[0].c;
- if(c != 3 || !color){
- w = (w+border)*c - border;
- c = 1;
- }
+ int color = 1;
+ int border = 1;
+ int h,w,c;
+ w = ims[0].w;
+ h = (ims[0].h + border) * n - border;
+ c = ims[0].c;
+ if(c != 3 || !color){
+ w = (w+border)*c - border;
+ c = 1;
+ }
- dn_image filters = make_image(w, h, c);
- int i,j;
- for(i = 0; i < n; ++i){
- int h_offset = i*(ims[0].h+border);
- dn_image copy = copy_image(ims[i]);
- //normalize_image(copy);
- if(c == 3 && color){
- embed_image(copy, filters, 0, h_offset);
- }
- else{
- for(j = 0; j < copy.c; ++j){
- int w_offset = j*(ims[0].w+border);
- dn_image layer = get_image_layer(copy, j);
- embed_image(layer, filters, w_offset, h_offset);
- free_image(layer);
- }
- }
- free_image(copy);
- }
- return filters;
-}
+ dn_image filters = make_image(w, h, c);
+ int i,j;
+ for(i = 0; i < n; ++i){
+ int h_offset = i*(ims[0].h+border);
+ dn_image copy = copy_image(ims[i]);
+ //normalize_image(copy);
+ if(c == 3 && color){
+ embed_image(copy, filters, 0, h_offset);
+ }
+ else{
+ for(j = 0; j < copy.c; ++j){
+ int w_offset = j*(ims[0].w+border);
+ dn_image layer = get_image_layer(copy, j);
+ embed_image(layer, filters, w_offset, h_offset);
+ free_image(layer);
+ }
+ }
+ free_image(copy);
+ }
+ return filters;
+}
dn_image collapse_images_horz(dn_image *ims, int n)
{
- int color = 1;
- int border = 1;
- int h,w,c;
- int size = ims[0].h;
- h = size;
- w = (ims[0].w + border) * n - border;
- c = ims[0].c;
- if(c != 3 || !color){
- h = (h+border)*c - border;
- c = 1;
- }
+ int color = 1;
+ int border = 1;
+ int h,w,c;
+ int size = ims[0].h;
+ h = size;
+ w = (ims[0].w + border) * n - border;
+ c = ims[0].c;
+ if(c != 3 || !color){
+ h = (h+border)*c - border;
+ c = 1;
+ }
- dn_image filters = make_image(w, h, c);
- int i,j;
- for(i = 0; i < n; ++i){
- int w_offset = i*(size+border);
- dn_image copy = copy_image(ims[i]);
- //normalize_image(copy);
- if(c == 3 && color){
- embed_image(copy, filters, w_offset, 0);
- }
- else{
- for(j = 0; j < copy.c; ++j){
- int h_offset = j*(size+border);
- dn_image layer = get_image_layer(copy, j);
- embed_image(layer, filters, w_offset, h_offset);
- free_image(layer);
- }
- }
- free_image(copy);
- }
- return filters;
-}
+ dn_image filters = make_image(w, h, c);
+ int i,j;
+ for(i = 0; i < n; ++i){
+ int w_offset = i*(size+border);
+ dn_image copy = copy_image(ims[i]);
+ //normalize_image(copy);
+ if(c == 3 && color){
+ embed_image(copy, filters, w_offset, 0);
+ }
+ else{
+ for(j = 0; j < copy.c; ++j){
+ int h_offset = j*(size+border);
+ dn_image layer = get_image_layer(copy, j);
+ embed_image(layer, filters, w_offset, h_offset);
+ free_image(layer);
+ }
+ }
+ free_image(copy);
+ }
+ return filters;
+}
void show_image_normalized(dn_image im, const char *name)
{
- dn_image c = copy_image(im);
- normalize_image(c);
- show_image(c, name, 1);
- free_image(c);
+ dn_image c = copy_image(im);
+ normalize_image(c);
+ show_image(c, name, 1);
+ free_image(c);
}
void show_images(dn_image *ims, int n, char *window)
{
- dn_image m = collapse_images_vert(ims, n);
- /*
- int w = 448;
- int h = ((float)m.h/m.w) * 448;
- if(h > 896){
- h = 896;
- w = ((float)m.w/m.h) * 896;
- }
- image sized = resize_image(m, w, h);
- */
- normalize_image(m);
- save_image(m, window);
- show_image(m, window, 1);
- free_image(m);
+ dn_image m = collapse_images_vert(ims, n);
+ /*
+ int w = 448;
+ int h = ((float)m.h/m.w) * 448;
+ if(h > 896){
+ h = 896;
+ w = ((float)m.w/m.h) * 896;
+ }
+ image sized = resize_image(m, w, h);
+ */
+ normalize_image(m);
+ save_image(m, window);
+ show_image(m, window, 1);
+ free_image(m);
}
void free_image(dn_image m)
{
- if(m.data){
- free(m.data);
- }
+ if(m.data){
+ free(m.data);
+ }
}