From 160eddddc4e265d5ee59a38797c30720bf46cd7c Mon Sep 17 00:00:00 2001
From: AlexeyAB <alexeyab84@gmail.com>
Date: Sun, 27 May 2018 13:53:42 +0000
Subject: [PATCH] Minor fix

---
 src/data.c |  295 ++++++++++++++++++++++++++++++++++++++++++----------------
 1 files changed, 212 insertions(+), 83 deletions(-)

diff --git a/src/data.c b/src/data.c
index 20d5748..a429862 100644
--- a/src/data.c
+++ b/src/data.c
@@ -29,7 +29,7 @@
     int i;
     pthread_mutex_lock(&mutex);
     for(i = 0; i < n; ++i){
-        int index = rand()%m;
+        int index = random_gen()%m;
         indexes[i] = index;
         random_paths[i] = paths[index];
         if(i == 0) printf("%s\n", paths[index]);
@@ -44,10 +44,12 @@
     char **random_paths = calloc(n, sizeof(char*));
     int i;
     pthread_mutex_lock(&mutex);
-    for(i = 0; i < n; ++i){
-        int index = rand()%m;
+	//printf("n = %d \n", n);
+    for(i = 0; i < n; ++i){		
+        int index = random_gen() % m;
         random_paths[i] = paths[index];
         //if(i == 0) printf("%s\n", paths[index]);
+		//printf("grp: %s\n", paths[index]);
     }
     pthread_mutex_unlock(&mutex);
     return random_paths;
@@ -102,7 +104,7 @@
     return X;
 }
 
-matrix load_image_augment_paths(char **paths, int n, int min, int max, int size, float angle, float aspect, float hue, float saturation, float exposure)
+matrix load_image_augment_paths(char **paths, int n, int use_flip, int min, int max, int size, float angle, float aspect, float hue, float saturation, float exposure)
 {
     int i;
     matrix X;
@@ -113,8 +115,9 @@
     for(i = 0; i < n; ++i){
         image im = load_image_color(paths[i], 0, 0);
         image crop = random_augment_image(im, angle, aspect, min, max, size);
-        int flip = rand()%2;
-        if (flip) flip_image(crop);
+        int flip = use_flip ? random_gen() % 2 : 0;
+        if (flip)
+            flip_image(crop);
         random_distort_image(crop, hue, saturation, exposure);
 
         /*
@@ -134,7 +137,10 @@
 {
     box_label *boxes = calloc(1, sizeof(box_label));
     FILE *file = fopen(filename, "r");
-    if(!file) file_error(filename);
+	if (!file) {
+		printf("Can't open label file. \n");
+		file_error(filename);
+	}
     float x, y, h, w;
     int id;
     int count = 0;
@@ -161,7 +167,7 @@
     int i;
     for(i = 0; i < n; ++i){
         box_label swap = b[i];
-        int index = rand()%n;
+        int index = random_gen()%n;
         b[i] = b[index];
         b[index] = swap;
     }
@@ -171,6 +177,13 @@
 {
     int i;
     for(i = 0; i < n; ++i){
+        if(boxes[i].x == 0 && boxes[i].y == 0) {
+            boxes[i].x = 999999;
+            boxes[i].y = 999999;
+            boxes[i].w = 999999;
+            boxes[i].h = 999999;
+            continue;
+        }
         boxes[i].left   = boxes[i].left  * sx - dx;
         boxes[i].right  = boxes[i].right * sx - dx;
         boxes[i].top    = boxes[i].top   * sy - dy;
@@ -200,11 +213,7 @@
 void fill_truth_swag(char *path, float *truth, int classes, int flip, float dx, float dy, float sx, float sy)
 {
     char labelpath[4096];
-    find_replace(path, "images", "labels", labelpath);
-    find_replace(labelpath, "JPEGImages", "labels", labelpath);
-    find_replace(labelpath, ".jpg", ".txt", labelpath);
-    find_replace(labelpath, ".JPG", ".txt", labelpath);
-    find_replace(labelpath, ".JPEG", ".txt", labelpath);
+	replace_image_to_label(path, labelpath);
 
     int count = 0;
     box_label *boxes = read_boxes(labelpath, &count);
@@ -238,14 +247,9 @@
 void fill_truth_region(char *path, float *truth, int classes, int num_boxes, int flip, float dx, float dy, float sx, float sy)
 {
     char labelpath[4096];
-    find_replace(path, "images", "labels", labelpath);
-    find_replace(labelpath, "JPEGImages", "labels", labelpath);
+	replace_image_to_label(path, labelpath);
 
-    find_replace(labelpath, ".jpg", ".txt", labelpath);
-    find_replace(labelpath, ".png", ".txt", labelpath);
-    find_replace(labelpath, ".JPG", ".txt", labelpath);
-    find_replace(labelpath, ".JPEG", ".txt", labelpath);
-    int count = 0;
+	int count = 0;
     box_label *boxes = read_boxes(labelpath, &count);
     randomize_boxes(boxes, count);
     correct_boxes(boxes, count, dx, dy, sx, sy, flip);
@@ -260,7 +264,7 @@
         h =  boxes[i].h;
         id = boxes[i].id;
 
-        if (w < .01 || h < .01) continue;
+        if (w < .001 || h < .001) continue;
 
         int col = (int)(x*num_boxes);
         int row = (int)(y*num_boxes);
@@ -283,24 +287,28 @@
     free(boxes);
 }
 
-void fill_truth_detection(char *path, int num_boxes, float *truth, int classes, int flip, float dx, float dy, float sx, float sy)
+void fill_truth_detection(char *path, int num_boxes, float *truth, int classes, int flip, float dx, float dy, float sx, float sy, 
+	int small_object, int net_w, int net_h)
 {
     char labelpath[4096];
-    find_replace(path, "images", "labels", labelpath);
-    find_replace(labelpath, "JPEGImages", "labels", labelpath);
+	replace_image_to_label(path, labelpath);
 
-    find_replace(labelpath, ".jpg", ".txt", labelpath);
-    find_replace(labelpath, ".png", ".txt", labelpath);
-    find_replace(labelpath, ".JPG", ".txt", labelpath);
-    find_replace(labelpath, ".JPEG", ".txt", labelpath);
     int count = 0;
+	int i;
     box_label *boxes = read_boxes(labelpath, &count);
+	float lowest_w = 1.F / net_w;
+	float lowest_h = 1.F / net_h;
+	if (small_object == 1) {
+		for (i = 0; i < count; ++i) {
+			if (boxes[i].w < lowest_w) boxes[i].w = lowest_w;
+			if (boxes[i].h < lowest_h) boxes[i].h = lowest_h;
+		}
+	}
     randomize_boxes(boxes, count);
     correct_boxes(boxes, count, dx, dy, sx, sy, flip);
     if(count > num_boxes) count = num_boxes;
     float x,y,w,h;
     int id;
-    int i;
 
     for (i = 0; i < count; ++i) {
         x =  boxes[i].x;
@@ -309,7 +317,10 @@
         h =  boxes[i].h;
         id = boxes[i].id;
 
-        if (w < .01 || h < .01) continue;
+		// not detect small objects
+		//if ((w < 0.001F || h < 0.001F)) continue;
+		// if truth (box for object) is smaller than 1x1 pix
+		if ((w < lowest_w || h < lowest_h)) continue;
 
         truth[i*5+0] = x;
         truth[i*5+1] = y;
@@ -388,12 +399,47 @@
     if(count != 1) printf("Too many or too few labels: %d, %s\n", count, path);
 }
 
-matrix load_labels_paths(char **paths, int n, char **labels, int k)
+void fill_hierarchy(float *truth, int k, tree *hierarchy)
+{
+    int j;
+    for(j = 0; j < k; ++j){
+        if(truth[j]){
+            int parent = hierarchy->parent[j];
+            while(parent >= 0){
+                truth[parent] = 1;
+                parent = hierarchy->parent[parent];
+            }
+        }
+    }
+    int i;
+    int count = 0;
+    for(j = 0; j < hierarchy->groups; ++j){
+        //printf("%d\n", count);
+        int mask = 1;
+        for(i = 0; i < hierarchy->group_size[j]; ++i){
+            if(truth[count + i]){
+                mask = 0;
+                break;
+            }
+        }
+        if (mask) {
+            for(i = 0; i < hierarchy->group_size[j]; ++i){
+                truth[count + i] = SECRET_NUM;
+            }
+        }
+        count += hierarchy->group_size[j];
+    }
+}
+
+matrix load_labels_paths(char **paths, int n, char **labels, int k, tree *hierarchy)
 {
     matrix y = make_matrix(n, k);
     int i;
     for(i = 0; i < n && labels; ++i){
         fill_truth(paths[i], labels, k, y.vals[i]);
+        if(hierarchy){
+            fill_hierarchy(y.vals[i], k, hierarchy);
+        }
     }
     return y;
 }
@@ -479,7 +525,7 @@
         float sx = (float)swidth  / ow;
         float sy = (float)sheight / oh;
 
-        int flip = rand()%2;
+        int flip = random_gen()%2;
         image cropped = crop_image(orig, pleft, ptop, swidth, sheight);
 
         float dx = ((float)pleft/ow)/sx;
@@ -540,7 +586,7 @@
         while(fscanf(fp2, "%d %f", &id, &iou) == 2){
             if (d.y.vals[i][2*id + 1] < iou) d.y.vals[i][2*id + 1] = iou;
         }
-        
+
         for (j = 0; j < classes; ++j){
             if (d.y.vals[i][2*j] > .5 &&  d.y.vals[i][2*j+1] < .5){
                 d.y.vals[i][2*j] = 1;
@@ -565,9 +611,9 @@
 
 data load_data_swag(char **paths, int n, int classes, float jitter)
 {
-    int index = rand()%n;
+    int index = random_gen()%n;
     char *random_path = paths[index];
-    
+
     image orig = load_image_color(random_path, 0, 0);
     int h = orig.h;
     int w = orig.w;
@@ -598,7 +644,7 @@
     float sx = (float)swidth  / w;
     float sy = (float)sheight / h;
 
-    int flip = rand()%2;
+    int flip = random_gen()%2;
     image cropped = crop_image(orig, pleft, ptop, swidth, sheight);
 
     float dx = ((float)pleft/w)/sx;
@@ -616,7 +662,18 @@
     return d;
 }
 
-data load_data_detection(int n, char **paths, int m, int w, int h, int boxes, int classes, float jitter, float hue, float saturation, float exposure)
+#ifdef OPENCV
+#include "opencv2/highgui/highgui_c.h"
+#include "opencv2/imgproc/imgproc_c.h"
+#include "opencv2/core/version.hpp"
+#ifndef CV_VERSION_EPOCH
+#include "opencv2/videoio/videoio_c.h"
+#include "opencv2/imgcodecs/imgcodecs_c.h"
+#endif
+
+#include "http_stream.h"
+
+data load_data_detection(int n, char **paths, int m, int w, int h, int boxes, int classes, int use_flip, float jitter, float hue, float saturation, float exposure, int small_object)
 {
     char **random_paths = get_random_paths(paths, n, m);
     int i;
@@ -629,18 +686,30 @@
 
     d.y = make_matrix(n, 5*boxes);
     for(i = 0; i < n; ++i){
-        image orig = load_image_color(random_paths[i], 0, 0);
+		const char *filename = random_paths[i];
 
-        int oh = orig.h;
-        int ow = orig.w;
+		int flag = 1;
+		IplImage *src;
+		if ((src = cvLoadImage(filename, flag)) == 0)
+		{
+			fprintf(stderr, "Cannot load image \"%s\"\n", filename);
+			char buff[256];
+			sprintf(buff, "echo %s >> bad.list", filename);
+			system(buff);
+			continue;
+			//exit(0);
+		}
+
+		int oh = src->height;
+		int ow = src->width;
 
         int dw = (ow*jitter);
         int dh = (oh*jitter);
 
-        int pleft  = rand_uniform(-dw, dw);
-        int pright = rand_uniform(-dw, dw);
-        int ptop   = rand_uniform(-dh, dh);
-        int pbot   = rand_uniform(-dh, dh);
+        int pleft  = rand_uniform_strong(-dw, dw);
+        int pright = rand_uniform_strong(-dw, dw);
+        int ptop   = rand_uniform_strong(-dh, dh);
+        int pbot   = rand_uniform_strong(-dh, dh);
 
         int swidth =  ow - pleft - pright;
         int sheight = oh - ptop - pbot;
@@ -648,30 +717,86 @@
         float sx = (float)swidth  / ow;
         float sy = (float)sheight / oh;
 
-        int flip = rand()%2;
-        image cropped = crop_image(orig, pleft, ptop, swidth, sheight);
+        int flip = use_flip ? random_gen()%2 : 0;
 
         float dx = ((float)pleft/ow)/sx;
         float dy = ((float)ptop /oh)/sy;
 
-        image sized = resize_image(cropped, w, h);
-        if(flip) flip_image(sized);
-        random_distort_image(sized, hue, saturation, exposure);
-        d.X.vals[i] = sized.data;
+		float dhue = rand_uniform_strong(-hue, hue);
+		float dsat = rand_scale(saturation);
+		float dexp = rand_scale(exposure);
 
-        fill_truth_detection(random_paths[i], boxes, d.y.vals[i], classes, flip, dx, dy, 1./sx, 1./sy);
+		image ai = image_data_augmentation(src, w, h, pleft, ptop, swidth, sheight, flip, jitter, dhue, dsat, dexp);
+		d.X.vals[i] = ai.data;
+		
+		//show_image(ai, "aug");
+		//cvWaitKey(0);
 
-        free_image(orig);
-        free_image(cropped);
+        fill_truth_detection(filename, boxes, d.y.vals[i], classes, flip, dx, dy, 1./sx, 1./sy, small_object, w, h);
+
+		cvReleaseImage(&src);
     }
     free(random_paths);
     return d;
 }
+#else	// OPENCV
+data load_data_detection(int n, char **paths, int m, int w, int h, int boxes, int classes, int use_flip, float jitter, float hue, float saturation, float exposure, int small_object)
+{
+	char **random_paths = get_random_paths(paths, n, m);
+	int i;
+	data d = { 0 };
+	d.shallow = 0;
 
+	d.X.rows = n;
+	d.X.vals = calloc(d.X.rows, sizeof(float*));
+	d.X.cols = h*w * 3;
+
+	d.y = make_matrix(n, 5 * boxes);
+	for (i = 0; i < n; ++i) {
+		image orig = load_image_color(random_paths[i], 0, 0);
+
+		int oh = orig.h;
+		int ow = orig.w;
+
+		int dw = (ow*jitter);
+		int dh = (oh*jitter);
+
+		int pleft = rand_uniform_strong(-dw, dw);
+		int pright = rand_uniform_strong(-dw, dw);
+		int ptop = rand_uniform_strong(-dh, dh);
+		int pbot = rand_uniform_strong(-dh, dh);
+
+		int swidth = ow - pleft - pright;
+		int sheight = oh - ptop - pbot;
+
+		float sx = (float)swidth / ow;
+		float sy = (float)sheight / oh;
+
+		int flip = use_flip ? random_gen() % 2 : 0;
+		image cropped = crop_image(orig, pleft, ptop, swidth, sheight);
+
+		float dx = ((float)pleft / ow) / sx;
+		float dy = ((float)ptop / oh) / sy;
+
+		image sized = resize_image(cropped, w, h);
+		if (flip) flip_image(sized);
+		random_distort_image(sized, hue, saturation, exposure);
+		d.X.vals[i] = sized.data;
+
+		fill_truth_detection(random_paths[i], boxes, d.y.vals[i], classes, flip, dx, dy, 1. / sx, 1. / sy, small_object, w, h);
+
+		free_image(orig);
+		free_image(cropped);
+	}
+	free(random_paths);
+	return d;
+}
+#endif	// OPENCV
 
 void *load_thread(void *ptr)
 {
-    //printf("Loading data: %d\n", rand());
+	//srand(time(0));
+    //printf("Loading data: %d\n", random_gen());
     load_args a = *(struct load_args*)ptr;
     if(a.exposure == 0) a.exposure = 1;
     if(a.saturation == 0) a.saturation = 1;
@@ -680,7 +805,7 @@
     if (a.type == OLD_CLASSIFICATION_DATA){
         *a.d = load_data_old(a.paths, a.n, a.m, a.labels, a.classes, a.w, a.h);
     } else if (a.type == CLASSIFICATION_DATA){
-        *a.d = load_data_augment(a.paths, a.n, a.m, a.labels, a.classes, a.min, a.max, a.size, a.angle, a.aspect, a.hue, a.saturation, a.exposure);
+        *a.d = load_data_augment(a.paths, a.n, a.m, a.labels, a.classes, a.hierarchy, a.flip, a.min, a.max, a.size, a.angle, a.aspect, a.hue, a.saturation, a.exposure);
     } else if (a.type == SUPER_DATA){
         *a.d = load_data_super(a.paths, a.n, a.m, a.w, a.h, a.scale);
     } else if (a.type == WRITING_DATA){
@@ -688,7 +813,7 @@
     } else if (a.type == REGION_DATA){
         *a.d = load_data_region(a.n, a.paths, a.m, a.w, a.h, a.num_boxes, a.classes, a.jitter, a.hue, a.saturation, a.exposure);
     } else if (a.type == DETECTION_DATA){
-        *a.d = load_data_detection(a.n, a.paths, a.m, a.w, a.h, a.num_boxes, a.classes, a.jitter, a.hue, a.saturation, a.exposure);
+        *a.d = load_data_detection(a.n, a.paths, a.m, a.w, a.h, a.num_boxes, a.classes, a.flip, a.jitter, a.hue, a.saturation, a.exposure, a.small_object);
     } else if (a.type == SWAG_DATA){
         *a.d = load_data_swag(a.paths, a.n, a.classes, a.jitter);
     } else if (a.type == COMPARE_DATA){
@@ -696,8 +821,11 @@
     } else if (a.type == IMAGE_DATA){
         *(a.im) = load_image_color(a.path, 0, 0);
         *(a.resized) = resize_image(*(a.im), a.w, a.h);
+	}else if (a.type == LETTERBOX_DATA) {
+		*(a.im) = load_image_color(a.path, 0, 0);
+		*(a.resized) = letterbox_image(*(a.im), a.w, a.h);
     } else if (a.type == TAG_DATA){
-        *a.d = load_data_tag(a.paths, a.n, a.m, a.classes, a.min, a.max, a.size, a.angle, a.aspect, a.hue, a.saturation, a.exposure);
+        *a.d = load_data_tag(a.paths, a.n, a.m, a.classes, a.flip, a.min, a.max, a.size, a.angle, a.aspect, a.hue, a.saturation, a.exposure);
     }
     free(ptr);
     return 0;
@@ -714,6 +842,7 @@
 
 void *load_threads(void *ptr)
 {
+	//srand(time(0));
     int i;
     load_args args = *(load_args *)ptr;
     if (args.threads == 0) args.threads = 1;
@@ -771,24 +900,24 @@
     data d = {0};
     d.shallow = 0;
     d.X = load_image_paths(paths, n, w, h);
-    d.y = load_labels_paths(paths, n, labels, k);
+    d.y = load_labels_paths(paths, n, labels, k, 0);
     if(m) free(paths);
     return d;
 }
 
 /*
-data load_data_study(char **paths, int n, int m, char **labels, int k, int min, int max, int size, float angle, float aspect, float hue, float saturation, float exposure)
-{
-    data d = {0};
-    d.indexes = calloc(n, sizeof(int));
-    if(m) paths = get_random_paths_indexes(paths, n, m, d.indexes);
-    d.shallow = 0;
-    d.X = load_image_augment_paths(paths, n, min, max, size, angle, aspect, hue, saturation, exposure);
-    d.y = load_labels_paths(paths, n, labels, k);
-    if(m) free(paths);
-    return d;
-}
-*/
+   data load_data_study(char **paths, int n, int m, char **labels, int k, int min, int max, int size, float angle, float aspect, float hue, float saturation, float exposure)
+   {
+   data d = {0};
+   d.indexes = calloc(n, sizeof(int));
+   if(m) paths = get_random_paths_indexes(paths, n, m, d.indexes);
+   d.shallow = 0;
+   d.X = load_image_augment_paths(paths, n, flip, min, max, size, angle, aspect, hue, saturation, exposure);
+   d.y = load_labels_paths(paths, n, labels, k);
+   if(m) free(paths);
+   return d;
+   }
+ */
 
 data load_data_super(char **paths, int n, int m, int w, int h, int scale)
 {
@@ -808,7 +937,7 @@
     for(i = 0; i < n; ++i){
         image im = load_image_color(paths[i], 0, 0);
         image crop = random_crop_image(im, w*scale, h*scale);
-        int flip = rand()%2;
+        int flip = random_gen()%2;
         if (flip) flip_image(crop);
         image resize = resize_image(crop, w, h);
         d.X.vals[i] = resize.data;
@@ -820,25 +949,25 @@
     return d;
 }
 
-data load_data_augment(char **paths, int n, int m, char **labels, int k, int min, int max, int size, float angle, float aspect, float hue, float saturation, float exposure)
+data load_data_augment(char **paths, int n, int m, char **labels, int k, tree *hierarchy, int use_flip, int min, int max, int size, float angle, float aspect, float hue, float saturation, float exposure)
 {
     if(m) paths = get_random_paths(paths, n, m);
     data d = {0};
     d.shallow = 0;
-    d.X = load_image_augment_paths(paths, n, min, max, size, angle, aspect, hue, saturation, exposure);
-    d.y = load_labels_paths(paths, n, labels, k);
+    d.X = load_image_augment_paths(paths, n, use_flip, min, max, size, angle, aspect, hue, saturation, exposure);
+    d.y = load_labels_paths(paths, n, labels, k, hierarchy);
     if(m) free(paths);
     return d;
 }
 
-data load_data_tag(char **paths, int n, int m, int k, int min, int max, int size, float angle, float aspect, float hue, float saturation, float exposure)
+data load_data_tag(char **paths, int n, int m, int k, int use_flip, int min, int max, int size, float angle, float aspect, float hue, float saturation, float exposure)
 {
     if(m) paths = get_random_paths(paths, n, m);
     data d = {0};
     d.w = size;
     d.h = size;
     d.shallow = 0;
-    d.X = load_image_augment_paths(paths, n, min, max, size, angle, aspect, hue, saturation, exposure);
+    d.X = load_image_augment_paths(paths, n, use_flip, min, max, size, angle, aspect, hue, saturation, exposure);
     d.y = load_tags_paths(paths, n, k);
     if(m) free(paths);
     return d;
@@ -913,8 +1042,8 @@
     for(i = 0; i < 10000; ++i){
         unsigned char bytes[3073];
         fread(bytes, 1, 3073, fp);
-        int class = bytes[0];
-        y.vals[i][class] = 1;
+        int class_id = bytes[0];
+        y.vals[i][class_id] = 1;
         for(j = 0; j < X.cols; ++j){
             X.vals[i][j] = (double)bytes[j+1];
         }
@@ -930,7 +1059,7 @@
 {
     int j;
     for(j = 0; j < n; ++j){
-        int index = rand()%d.X.rows;
+        int index = random_gen()%d.X.rows;
         memcpy(X+j*d.X.cols, d.X.vals[index], d.X.cols*sizeof(float));
         memcpy(y+j*d.y.cols, d.y.vals[index], d.y.cols*sizeof(float));
     }
@@ -977,8 +1106,8 @@
         for(i = 0; i < 10000; ++i){
             unsigned char bytes[3073];
             fread(bytes, 1, 3073, fp);
-            int class = bytes[0];
-            y.vals[i+b*10000][class] = 1;
+            int class_id = bytes[0];
+            y.vals[i+b*10000][class_id] = 1;
             for(j = 0; j < X.cols; ++j){
                 X.vals[i+b*10000][j] = (double)bytes[j+1];
             }
@@ -1043,7 +1172,7 @@
 {
     int i;
     for(i = d.X.rows-1; i > 0; --i){
-        int index = rand()%i;
+        int index = random_gen()%i;
         float *swap = d.X.vals[index];
         d.X.vals[index] = d.X.vals[i];
         d.X.vals[i] = swap;
@@ -1107,7 +1236,7 @@
 
     int i;
     for(i = 0; i < num; ++i){
-        int index = rand()%d.X.rows;
+        int index = random_gen()%d.X.rows;
         r.X.vals[i] = d.X.vals[index];
         r.y.vals[i] = d.y.vals[index];
     }

--
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