| | |
| | | } |
| | | } |
| | | |
| | | void fill_truth_swag(char *path, float *truth, int classes, int flip, float dx, float dy, float sx, float sy) |
| | | { |
| | | char *labelpath = 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"); |
| | | int count = 0; |
| | | box_label *boxes = read_boxes(labelpath, &count); |
| | | randomize_boxes(boxes, count); |
| | | correct_boxes(boxes, count, dx, dy, sx, sy, flip); |
| | | float x,y,w,h; |
| | | int id; |
| | | int i; |
| | | |
| | | for (i = 0; i < count && i < 30; ++i) { |
| | | x = boxes[i].x; |
| | | y = boxes[i].y; |
| | | w = boxes[i].w; |
| | | h = boxes[i].h; |
| | | id = boxes[i].id; |
| | | |
| | | if (w < .0 || h < .0) continue; |
| | | |
| | | int index = (4+classes) * i; |
| | | |
| | | truth[index++] = x; |
| | | truth[index++] = y; |
| | | truth[index++] = w; |
| | | truth[index++] = h; |
| | | |
| | | if (id < classes) truth[index+id] = 1; |
| | | } |
| | | free(boxes); |
| | | } |
| | | |
| | | 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 = 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"); |
| | | int count = 0; |
| | | box_label *boxes = read_boxes(labelpath, &count); |
| | |
| | | } |
| | | } |
| | | |
| | | data load_data_region(int n, char **paths, int m, int w, int h, int size, int classes) |
| | | data load_data_region(int n, char **paths, int m, int w, int h, int size, int classes, float jitter) |
| | | { |
| | | char **random_paths = get_random_paths(paths, n, m); |
| | | int i; |
| | |
| | | int oh = orig.h; |
| | | int ow = orig.w; |
| | | |
| | | int dw = ow/10; |
| | | int dh = oh/10; |
| | | int dw = (ow*jitter); |
| | | int dh = (oh*jitter); |
| | | |
| | | int pleft = (rand_uniform() * 2*dw - dw); |
| | | int pright = (rand_uniform() * 2*dw - dw); |
| | |
| | | return d; |
| | | } |
| | | |
| | | data load_data_swag(char **paths, int n, int classes, float jitter) |
| | | { |
| | | int index = rand_r(&data_seed)%n; |
| | | char *random_path = paths[index]; |
| | | |
| | | image orig = load_image_color(random_path, 0, 0); |
| | | int h = orig.h; |
| | | int w = orig.w; |
| | | |
| | | data d; |
| | | d.shallow = 0; |
| | | d.w = w; |
| | | d.h = h; |
| | | |
| | | d.X.rows = 1; |
| | | d.X.vals = calloc(d.X.rows, sizeof(float*)); |
| | | d.X.cols = h*w*3; |
| | | |
| | | int k = (4+classes)*30; |
| | | d.y = make_matrix(1, k); |
| | | |
| | | int dw = w*jitter; |
| | | int dh = h*jitter; |
| | | |
| | | int pleft = (rand_uniform() * 2*dw - dw); |
| | | int pright = (rand_uniform() * 2*dw - dw); |
| | | int ptop = (rand_uniform() * 2*dh - dh); |
| | | int pbot = (rand_uniform() * 2*dh - dh); |
| | | |
| | | int swidth = w - pleft - pright; |
| | | int sheight = h - ptop - pbot; |
| | | |
| | | float sx = (float)swidth / w; |
| | | float sy = (float)sheight / h; |
| | | |
| | | int flip = rand_r(&data_seed)%2; |
| | | image cropped = crop_image(orig, pleft, ptop, swidth, sheight); |
| | | |
| | | float dx = ((float)pleft/w)/sx; |
| | | float dy = ((float)ptop /h)/sy; |
| | | |
| | | image sized = resize_image(cropped, w, h); |
| | | if(flip) flip_image(sized); |
| | | d.X.vals[0] = sized.data; |
| | | |
| | | fill_truth_swag(random_path, d.y.vals[0], classes, flip, dx, dy, 1./sx, 1./sy); |
| | | |
| | | free_image(orig); |
| | | free_image(cropped); |
| | | |
| | | return d; |
| | | } |
| | | |
| | | data load_data_detection(int n, char **paths, int m, int classes, int w, int h, int num_boxes, int background) |
| | | { |
| | | char **random_paths = get_random_paths(paths, n, m); |
| | |
| | | check_error(status); |
| | | #endif |
| | | |
| | | printf("Loading data: %d\n", rand_r(&data_seed)); |
| | | //printf("Loading data: %d\n", rand_r(&data_seed)); |
| | | load_args a = *(struct load_args*)ptr; |
| | | if (a.type == CLASSIFICATION_DATA){ |
| | | *a.d = load_data(a.paths, a.n, a.m, a.labels, a.classes, a.w, a.h); |
| | | } else if (a.type == DETECTION_DATA){ |
| | | *a.d = load_data_detection(a.n, a.paths, a.m, a.classes, a.w, a.h, a.num_boxes, a.background); |
| | | } else if (a.type == WRITING_DATA){ |
| | | *a.d = load_data_writing(a.paths, a.n, a.m, a.w, a.h, a.out_w, a.out_h); |
| | | } 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.d = load_data_region(a.n, a.paths, a.m, a.w, a.h, a.num_boxes, a.classes, a.jitter); |
| | | } 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){ |
| | | *a.d = load_data_compare(a.n, a.paths, a.m, a.classes, a.w, a.h); |
| | | } else if (a.type == IMAGE_DATA){ |
| | |
| | | pthread_t thread; |
| | | struct load_args *ptr = calloc(1, sizeof(struct load_args)); |
| | | *ptr = args; |
| | | if(pthread_create(&thread, 0, load_thread, ptr)) { |
| | | error("Thread creation failed"); |
| | | } |
| | | if(pthread_create(&thread, 0, load_thread, ptr)) error("Thread creation failed"); |
| | | return thread; |
| | | } |
| | | |
| | | data load_data_writing(char **paths, int n, int m, int w, int h, int downsample) |
| | | data load_data_writing(char **paths, int n, int m, int w, int h, int out_w, int out_h) |
| | | { |
| | | if(m) paths = get_random_paths(paths, n, m); |
| | | char **replace_paths = find_replace_paths(paths, n, ".png", "-label.png"); |
| | | data d; |
| | | d.shallow = 0; |
| | | d.X = load_image_paths(paths, n, w, h); |
| | | d.y = load_image_paths_gray(replace_paths, n, w/downsample, h/downsample); |
| | | d.y = load_image_paths_gray(replace_paths, n, out_w, out_h); |
| | | if(m) free(paths); |
| | | int i; |
| | | for(i = 0; i < n; ++i) free(replace_paths[i]); |