Added Yolo v3

This commit is contained in:
AlexeyAB
2018-03-28 02:59:03 +03:00
parent 47c7af1cea
commit d9ae3dd681
37 changed files with 3666 additions and 23 deletions

View File

@ -30,6 +30,8 @@
#include "shortcut_layer.h"
#include "softmax_layer.h"
#include "utils.h"
#include "upsample_layer.h"
#include "yolo_layer.h"
#include <stdint.h>
typedef struct{
@ -47,6 +49,7 @@ LAYER_TYPE string_to_layer_type(char * type)
if (strcmp(type, "[cost]")==0) return COST;
if (strcmp(type, "[detection]")==0) return DETECTION;
if (strcmp(type, "[region]")==0) return REGION;
if (strcmp(type, "[yolo]") == 0) return YOLO;
if (strcmp(type, "[local]")==0) return LOCAL;
if (strcmp(type, "[conv]")==0
|| strcmp(type, "[convolutional]")==0) return CONVOLUTIONAL;
@ -71,6 +74,7 @@ LAYER_TYPE string_to_layer_type(char * type)
if (strcmp(type, "[soft]")==0
|| strcmp(type, "[softmax]")==0) return SOFTMAX;
if (strcmp(type, "[route]")==0) return ROUTE;
if (strcmp(type, "[upsample]") == 0) return UPSAMPLE;
return BLANK;
}
@ -235,6 +239,65 @@ softmax_layer parse_softmax(list *options, size_params params)
return layer;
}
int *parse_yolo_mask(char *a, int *num)
{
int *mask = 0;
if (a) {
int len = strlen(a);
int n = 1;
int i;
for (i = 0; i < len; ++i) {
if (a[i] == ',') ++n;
}
mask = calloc(n, sizeof(int));
for (i = 0; i < n; ++i) {
int val = atoi(a);
mask[i] = val;
a = strchr(a, ',') + 1;
}
*num = n;
}
return mask;
}
layer parse_yolo(list *options, size_params params)
{
int classes = option_find_int(options, "classes", 20);
int total = option_find_int(options, "num", 1);
int num = total;
char *a = option_find_str(options, "mask", 0);
int *mask = parse_yolo_mask(a, &num);
layer l = make_yolo_layer(params.batch, params.w, params.h, num, total, mask, classes);
assert(l.outputs == params.inputs);
l.max_boxes = option_find_int_quiet(options, "max", 90);
l.jitter = option_find_float(options, "jitter", .2);
l.ignore_thresh = option_find_float(options, "ignore_thresh", .5);
l.truth_thresh = option_find_float(options, "truth_thresh", 1);
l.random = option_find_int_quiet(options, "random", 0);
char *map_file = option_find_str(options, "map", 0);
if (map_file) l.map = read_map(map_file);
a = option_find_str(options, "anchors", 0);
if (a) {
int len = strlen(a);
int n = 1;
int i;
for (i = 0; i < len; ++i) {
if (a[i] == ',') ++n;
}
for (i = 0; i < n; ++i) {
float bias = atof(a);
l.biases[i] = bias;
a = strchr(a, ',') + 1;
}
}
return l;
}
layer parse_region(list *options, size_params params)
{
int coords = option_find_int(options, "coords", 4);
@ -469,6 +532,15 @@ layer parse_activation(list *options, size_params params)
return l;
}
layer parse_upsample(list *options, size_params params, network net)
{
int stride = option_find_int(options, "stride", 2);
layer l = make_upsample_layer(params.batch, params.w, params.h, params.c, stride);
l.scale = option_find_float_quiet(options, "scale", 1);
return l;
}
route_layer parse_route(list *options, size_params params, network net)
{
char *l = option_find(options, "layers");
@ -665,6 +737,8 @@ network parse_network_cfg_custom(char *filename, int batch)
l = parse_cost(options, params);
}else if(lt == REGION){
l = parse_region(options, params);
}else if (lt == YOLO) {
l = parse_yolo(options, params);
}else if(lt == DETECTION){
l = parse_detection(options, params);
}else if(lt == SOFTMAX){
@ -684,6 +758,8 @@ network parse_network_cfg_custom(char *filename, int batch)
l = parse_avgpool(options, params);
}else if(lt == ROUTE){
l = parse_route(options, params, net);
}else if (lt == UPSAMPLE) {
l = parse_upsample(options, params, net);
}else if(lt == SHORTCUT){
l = parse_shortcut(options, params, net);
}else if(lt == DROPOUT){