From d28f7e6681ffe02a151b9dc89098d7fcef50b214 Mon Sep 17 00:00:00 2001
From: Alexey <AlexeyAB@users.noreply.github.com>
Date: Wed, 28 Mar 2018 20:51:14 +0000
Subject: [PATCH] Update Readme.md

---
 src/detector.c |   73 ++++++++++++++++++++++++++----------
 1 files changed, 52 insertions(+), 21 deletions(-)

diff --git a/src/detector.c b/src/detector.c
index 42ffbf7..77175b4 100644
--- a/src/detector.c
+++ b/src/detector.c
@@ -25,11 +25,13 @@
 #pragma comment(lib, "opencv_highgui" OPENCV_VERSION ".lib")
 #endif
 
-#endif
+IplImage* draw_train_chart(float max_img_loss, int max_batches, int number_of_lines, int img_size);
+void draw_train_loss(IplImage* img, int img_size, float avg_loss, float max_img_loss, int current_batch, int max_batches);
+#endif	// OPENCV
 
 static int coco_ids[] = {1,2,3,4,5,6,7,8,9,10,11,13,14,15,16,17,18,19,20,21,22,23,24,25,27,28,31,32,33,34,35,36,37,38,39,40,41,42,43,44,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,67,70,72,73,74,75,76,77,78,79,80,81,82,84,85,86,87,88,89,90};
 
-void train_detector(char *datacfg, char *cfgfile, char *weightfile, int *gpus, int ngpus, int clear)
+void train_detector(char *datacfg, char *cfgfile, char *weightfile, int *gpus, int ngpus, int clear, int dont_show)
 {
     list *options = read_data_cfg(datacfg);
     char *train_images = option_find_str(options, "train", "data/train.list");
@@ -74,6 +76,8 @@
 
 	int init_w = net.w;
 	int init_h = net.h;
+	int iter_save;
+	iter_save = get_current_batch(net);
 
     load_args args = {0};
     args.w = net.w;
@@ -87,13 +91,22 @@
 	args.small_object = l.small_object;
     args.d = &buffer;
     args.type = DETECTION_DATA;
-	args.threads = 4;// 8;
+	args.threads = 64;	// 8
 
     args.angle = net.angle;
     args.exposure = net.exposure;
     args.saturation = net.saturation;
     args.hue = net.hue;
 
+#ifdef OPENCV
+	IplImage* img = NULL;
+	float max_img_loss = 5;
+	int number_of_lines = 100;
+	int img_size = 1000;
+	if (!dont_show)
+		img = draw_train_chart(max_img_loss, net.max_batches, number_of_lines, img_size);
+#endif	//OPENCV
+
     pthread_t load_thread = load_data(args);
     clock_t time;
     int count = 0;
@@ -102,7 +115,6 @@
 		if(l.random && count++%10 == 0){
             printf("Resizing\n");
 			int dim = (rand() % 12 + (init_w/32 - 5)) * 32;	// +-160
-            //int dim = (rand() % 10 + 10) * 32;
             //if (get_current_batch(net)+100 > net.max_batches) dim = 544;
             //int dim = (rand() % 4 + 16) * 32;
             printf("%d\n", dim);
@@ -159,8 +171,16 @@
 
         i = get_current_batch(net);
         printf("%d: %f, %f avg, %f rate, %lf seconds, %d images\n", get_current_batch(net), loss, avg_loss, get_current_rate(net), sec(clock()-time), i*imgs);
+
+#ifdef OPENCV
+		if(!dont_show)
+			draw_train_loss(img, img_size, avg_loss, max_img_loss, i, net.max_batches);
+#endif	// OPENCV
+
 		//if (i % 1000 == 0 || (i < 1000 && i % 100 == 0)) {
-		if (i % 100 == 0) {
+		//if (i % 100 == 0) {
+		if(i >= (iter_save + 100)) {
+			iter_save = i;
 #ifdef GPU
 			if (ngpus != 1) sync_nets(nets, ngpus, 0);
 #endif
@@ -176,6 +196,9 @@
     char buff[256];
     sprintf(buff, "%s/%s_final.weights", backup_directory, base);
     save_weights(net, buff);
+
+	//cvReleaseImage(&img);
+	//cvDestroyAllWindows();
 }
 
 
@@ -898,7 +921,7 @@
 		float box_h = points->data.fl[i * 2 + 1];
 		//int cluster_idx = labels->data.i[i];		
 		int cluster_idx = 0;
-		float min_dist = 1000000;
+		float min_dist = FLT_MAX;
 		for (j = 0; j < num_of_clusters; ++j) {
 			float anchor_w = centers->data.fl[j * 2];
 			float anchor_h = centers->data.fl[j * 2 + 1];
@@ -977,7 +1000,7 @@
 }
 #endif // OPENCV
 
-void test_detector(char *datacfg, char *cfgfile, char *weightfile, char *filename, float thresh, int dont_show)
+void test_detector(char *datacfg, char *cfgfile, char *weightfile, char *filename, float thresh, float hier_thresh, int dont_show)
 {
     list *options = read_data_cfg(datacfg);
     char *name_list = option_find_str(options, "names", "data/names.list");
@@ -994,7 +1017,7 @@
     char buff[256];
     char *input = buff;
     int j;
-    float nms=.4;
+    float nms=.45;	// 0.4F
     while(1){
         if(filename){
             strncpy(input, filename, 256);
@@ -1007,20 +1030,27 @@
             strtok(input, "\n");
         }
         image im = load_image_color(input,0,0);
+		int letter = 0;
         image sized = resize_image(im, net.w, net.h);
+		//image sized = letterbox_image(im, net.w, net.h); letter = 1;
         layer l = net.layers[net.n-1];
 
-        box *boxes = calloc(l.w*l.h*l.n, sizeof(box));
-        float **probs = calloc(l.w*l.h*l.n, sizeof(float *));
-        for(j = 0; j < l.w*l.h*l.n; ++j) probs[j] = calloc(l.classes, sizeof(float *));
+        //box *boxes = calloc(l.w*l.h*l.n, sizeof(box));
+        //float **probs = calloc(l.w*l.h*l.n, sizeof(float *));
+        //for(j = 0; j < l.w*l.h*l.n; ++j) probs[j] = calloc(l.classes, sizeof(float *));
 
         float *X = sized.data;
         time=clock();
         network_predict(net, X);
         printf("%s: Predicted in %f seconds.\n", input, sec(clock()-time));
-        get_region_boxes(l, 1, 1, thresh, probs, boxes, 0, 0);
-        if (nms) do_nms_sort(boxes, probs, l.w*l.h*l.n, l.classes, nms);
-        draw_detections(im, l.w*l.h*l.n, thresh, boxes, probs, names, alphabet, l.classes);
+        //get_region_boxes(l, 1, 1, thresh, probs, boxes, 0, 0);
+		// if (nms) do_nms_sort(boxes, probs, l.w*l.h*l.n, l.classes, nms);
+		//draw_detections(im, l.w*l.h*l.n, thresh, boxes, probs, names, alphabet, l.classes);
+		int nboxes = 0;
+		detection *dets = get_network_boxes(&net, im.w, im.h, thresh, hier_thresh, 0, 1, &nboxes, letter);
+		if (nms) do_nms_sort_v3(dets, nboxes, l.classes, nms);
+		draw_detections_v3(im, dets, nboxes, thresh, names, alphabet, l.classes);
+		free_detections(dets, nboxes);
         save_image(im, "predictions");
 		if (!dont_show) {
 			show_image(im, "predictions");
@@ -1028,8 +1058,8 @@
 
         free_image(im);
         free_image(sized);
-        free(boxes);
-        free_ptrs((void **)probs, l.w*l.h*l.n);
+        //free(boxes);
+        //free_ptrs((void **)probs, l.w*l.h*l.n);
 #ifdef OPENCV
 		if (!dont_show) {
 			cvWaitKey(0);
@@ -1047,7 +1077,8 @@
 	int http_stream_port = find_int_arg(argc, argv, "-http_port", -1);
 	char *out_filename = find_char_arg(argc, argv, "-out_filename", 0);
     char *prefix = find_char_arg(argc, argv, "-prefix", 0);
-    float thresh = find_float_arg(argc, argv, "-thresh", .24);
+    float thresh = find_float_arg(argc, argv, "-thresh", .25);	// 0.24
+	float hier_thresh = find_float_arg(argc, argv, "-hier", .5);
     int cam_index = find_int_arg(argc, argv, "-c", 0);
     int frame_skip = find_int_arg(argc, argv, "-s", 0);
 	int num_of_clusters = find_int_arg(argc, argv, "-num_of_clusters", 5);
@@ -1088,12 +1119,12 @@
 	if(weights)
 		if (weights[strlen(weights) - 1] == 0x0d) weights[strlen(weights) - 1] = 0;
     char *filename = (argc > 6) ? argv[6]: 0;
-    if(0==strcmp(argv[2], "test")) test_detector(datacfg, cfg, weights, filename, thresh, dont_show);
-    else if(0==strcmp(argv[2], "train")) train_detector(datacfg, cfg, weights, gpus, ngpus, clear);
+    if(0==strcmp(argv[2], "test")) test_detector(datacfg, cfg, weights, filename, thresh, hier_thresh, dont_show);
+    else if(0==strcmp(argv[2], "train")) train_detector(datacfg, cfg, weights, gpus, ngpus, clear, dont_show);
     else if(0==strcmp(argv[2], "valid")) validate_detector(datacfg, cfg, weights);
     else if(0==strcmp(argv[2], "recall")) validate_detector_recall(datacfg, cfg, weights);
 	else if(0==strcmp(argv[2], "map")) validate_detector_map(datacfg, cfg, weights, thresh);
-	else if(0==strcmp(argv[2], "calc_anchors"))  calc_anchors(datacfg, num_of_clusters, final_width, final_heigh, show);
+	else if(0==strcmp(argv[2], "calc_anchors")) calc_anchors(datacfg, num_of_clusters, final_width, final_heigh, show);
     else if(0==strcmp(argv[2], "demo")) {
         list *options = read_data_cfg(datacfg);
         int classes = option_find_int(options, "classes", 20);
@@ -1101,7 +1132,7 @@
         char **names = get_labels(name_list);
 		if(filename)
 			if (filename[strlen(filename) - 1] == 0x0d) filename[strlen(filename) - 1] = 0;
-        demo(cfg, weights, thresh, cam_index, filename, names, classes, frame_skip, prefix, out_filename, 
+        demo(cfg, weights, thresh, hier_thresh, cam_index, filename, names, classes, frame_skip, prefix, out_filename,
 			http_stream_port, dont_show);
     }
 }

--
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