mirror of https://github.com/pjreddie/darknet.git
210 lines
5.5 KiB
C
210 lines
5.5 KiB
C
#include "network.h"
|
|
#include "detection_layer.h"
|
|
#include "cost_layer.h"
|
|
#include "utils.h"
|
|
#include "parser.h"
|
|
#include "box.h"
|
|
#include "image.h"
|
|
#include "demo.h"
|
|
#include <sys/time.h>
|
|
|
|
#define FRAMES 3
|
|
|
|
#ifdef OPENCV
|
|
#include "opencv2/highgui/highgui_c.h"
|
|
#include "opencv2/imgproc/imgproc_c.h"
|
|
void convert_detections(float *predictions, int classes, int num, int square, int side, int w, int h, float thresh, float **probs, box *boxes, int only_objectness);
|
|
|
|
static char **demo_names;
|
|
static image *demo_labels;
|
|
static int demo_classes;
|
|
|
|
static float **probs;
|
|
static box *boxes;
|
|
static network net;
|
|
static image in ;
|
|
static image in_s ;
|
|
static image det ;
|
|
static image det_s;
|
|
static image disp = {0};
|
|
static CvCapture * cap;
|
|
static float fps = 0;
|
|
static float demo_thresh = 0;
|
|
|
|
static float *predictions[FRAMES];
|
|
static int demo_index = 0;
|
|
static image images[FRAMES];
|
|
static float *avg;
|
|
|
|
void *fetch_in_thread(void *ptr)
|
|
{
|
|
in = get_image_from_stream(cap);
|
|
if(!in.data){
|
|
error("Stream closed.");
|
|
}
|
|
in_s = resize_image(in, net.w, net.h);
|
|
return 0;
|
|
}
|
|
|
|
void *detect_in_thread(void *ptr)
|
|
{
|
|
float nms = .1;
|
|
|
|
detection_layer l = net.layers[net.n-1];
|
|
float *X = det_s.data;
|
|
float *prediction = network_predict(net, X);
|
|
|
|
memcpy(predictions[demo_index], prediction, l.outputs*sizeof(float));
|
|
mean_arrays(predictions, FRAMES, l.outputs, avg);
|
|
|
|
free_image(det_s);
|
|
convert_detections(avg, l.classes, l.n, l.sqrt, l.side, 1, 1, demo_thresh, probs, boxes, 0);
|
|
if (nms > 0) do_nms(boxes, probs, l.side*l.side*l.n, l.classes, nms);
|
|
printf("\033[2J");
|
|
printf("\033[1;1H");
|
|
printf("\nFPS:%.1f\n",fps);
|
|
printf("Objects:\n\n");
|
|
|
|
images[demo_index] = det;
|
|
det = images[(demo_index + FRAMES/2 + 1)%FRAMES];
|
|
demo_index = (demo_index + 1)%FRAMES;
|
|
|
|
draw_detections(det, l.side*l.side*l.n, demo_thresh, boxes, probs, demo_names, demo_labels, demo_classes);
|
|
|
|
return 0;
|
|
}
|
|
|
|
double get_wall_time()
|
|
{
|
|
struct timeval time;
|
|
if (gettimeofday(&time,NULL)){
|
|
return 0;
|
|
}
|
|
return (double)time.tv_sec + (double)time.tv_usec * .000001;
|
|
}
|
|
|
|
void demo(char *cfgfile, char *weightfile, float thresh, int cam_index, const char *filename, char **names, image *labels, int classes, int frame_skip)
|
|
{
|
|
//skip = frame_skip;
|
|
int delay = frame_skip;
|
|
demo_names = names;
|
|
demo_labels = labels;
|
|
demo_classes = classes;
|
|
demo_thresh = thresh;
|
|
printf("Demo\n");
|
|
net = parse_network_cfg(cfgfile);
|
|
if(weightfile){
|
|
load_weights(&net, weightfile);
|
|
}
|
|
set_batch_network(&net, 1);
|
|
|
|
srand(2222222);
|
|
|
|
if(filename){
|
|
cap = cvCaptureFromFile(filename);
|
|
}else{
|
|
cap = cvCaptureFromCAM(cam_index);
|
|
}
|
|
|
|
if(!cap) error("Couldn't connect to webcam.\n");
|
|
|
|
detection_layer l = net.layers[net.n-1];
|
|
int j;
|
|
|
|
avg = (float *) calloc(l.outputs, sizeof(float));
|
|
for(j = 0; j < FRAMES; ++j) predictions[j] = (float *) calloc(l.outputs, sizeof(float));
|
|
for(j = 0; j < FRAMES; ++j) images[j] = make_image(1,1,3);
|
|
|
|
boxes = (box *)calloc(l.side*l.side*l.n, sizeof(box));
|
|
probs = (float **)calloc(l.side*l.side*l.n, sizeof(float *));
|
|
for(j = 0; j < l.side*l.side*l.n; ++j) probs[j] = (float *)calloc(l.classes, sizeof(float *));
|
|
|
|
pthread_t fetch_thread;
|
|
pthread_t detect_thread;
|
|
|
|
fetch_in_thread(0);
|
|
det = in;
|
|
det_s = in_s;
|
|
|
|
fetch_in_thread(0);
|
|
detect_in_thread(0);
|
|
disp = det;
|
|
det = in;
|
|
det_s = in_s;
|
|
|
|
for(j = 0; j < FRAMES/2; ++j){
|
|
fetch_in_thread(0);
|
|
detect_in_thread(0);
|
|
disp = det;
|
|
det = in;
|
|
det_s = in_s;
|
|
}
|
|
|
|
int count = 0;
|
|
cvNamedWindow("Demo", CV_WINDOW_NORMAL);
|
|
cvMoveWindow("Demo", 0, 0);
|
|
cvResizeWindow("Demo", 1352, 1013);
|
|
|
|
double before = get_wall_time();
|
|
|
|
while(1){
|
|
++count;
|
|
if(1){
|
|
if(pthread_create(&fetch_thread, 0, fetch_in_thread, 0)) error("Thread creation failed");
|
|
if(pthread_create(&detect_thread, 0, detect_in_thread, 0)) error("Thread creation failed");
|
|
|
|
if(1){
|
|
show_image(disp, "Demo");
|
|
int c = cvWaitKey(1);
|
|
if (c == 10){
|
|
if(frame_skip == 0) frame_skip = 60;
|
|
else if(frame_skip == 4) frame_skip = 0;
|
|
else if(frame_skip == 60) frame_skip = 4;
|
|
else frame_skip = 0;
|
|
}
|
|
}else{
|
|
char buff[256];
|
|
sprintf(buff, "/home/pjreddie/tmp/bag_%07d", count);
|
|
save_image(disp, buff);
|
|
}
|
|
|
|
pthread_join(fetch_thread, 0);
|
|
pthread_join(detect_thread, 0);
|
|
|
|
if(delay == 0){
|
|
free_image(disp);
|
|
disp = det;
|
|
}
|
|
det = in;
|
|
det_s = in_s;
|
|
}else {
|
|
fetch_in_thread(0);
|
|
det = in;
|
|
det_s = in_s;
|
|
detect_in_thread(0);
|
|
if(delay == 0) {
|
|
free_image(disp);
|
|
disp = det;
|
|
}
|
|
show_image(disp, "Demo");
|
|
cvWaitKey(1);
|
|
}
|
|
--delay;
|
|
if(delay < 0){
|
|
delay = frame_skip;
|
|
|
|
double after = get_wall_time();
|
|
float curr = 1./(after - before);
|
|
fps = curr;
|
|
before = after;
|
|
}
|
|
}
|
|
}
|
|
#else
|
|
void demo(char *cfgfile, char *weightfile, float thresh, int cam_index, const char *filename, char **names, image *labels, int classes, int frame_skip)
|
|
{
|
|
fprintf(stderr, "Demo needs OpenCV for webcam images.\n");
|
|
}
|
|
#endif
|
|
|