| | |
| | | return X; |
| | | } |
| | | |
| | | typedef struct box{ |
| | | typedef struct{ |
| | | int id; |
| | | float x,y,w,h; |
| | | float left, right, top, bottom; |
| | | } box; |
| | | } box_label; |
| | | |
| | | box *read_boxes(char *filename, int *n) |
| | | box_label *read_boxes(char *filename, int *n) |
| | | { |
| | | box *boxes = calloc(1, sizeof(box)); |
| | | box_label *boxes = calloc(1, sizeof(box_label)); |
| | | FILE *file = fopen(filename, "r"); |
| | | if(!file) file_error(filename); |
| | | float x, y, h, w; |
| | | int id; |
| | | int count = 0; |
| | | while(fscanf(file, "%d %f %f %f %f", &id, &x, &y, &w, &h) == 5){ |
| | | boxes = realloc(boxes, (count+1)*sizeof(box)); |
| | | boxes = realloc(boxes, (count+1)*sizeof(box_label)); |
| | | boxes[count].id = id; |
| | | boxes[count].x = x; |
| | | boxes[count].y = y; |
| | |
| | | return boxes; |
| | | } |
| | | |
| | | void randomize_boxes(box *b, int n) |
| | | void randomize_boxes(box_label *b, int n) |
| | | { |
| | | int i; |
| | | for(i = 0; i < n; ++i){ |
| | | box swap = b[i]; |
| | | box_label swap = b[i]; |
| | | int index = rand_r(&data_seed)%n; |
| | | b[i] = b[index]; |
| | | b[index] = swap; |
| | |
| | | labelpath = find_replace(labelpath, ".jpg", ".txt"); |
| | | labelpath = find_replace(labelpath, ".JPEG", ".txt"); |
| | | int count = 0; |
| | | box *boxes = read_boxes(labelpath, &count); |
| | | box_label *boxes = read_boxes(labelpath, &count); |
| | | randomize_boxes(boxes, count); |
| | | float x,y,w,h; |
| | | float left, top, right, bot; |
| | |
| | | if(background) truth[index++] = 0; |
| | | truth[index+id] = 1; |
| | | index += classes; |
| | | truth[index++] = y; |
| | | truth[index++] = x; |
| | | truth[index++] = h; |
| | | truth[index++] = y; |
| | | truth[index++] = w; |
| | | truth[index++] = h; |
| | | } |
| | | free(boxes); |
| | | } |
| | |
| | | return thread; |
| | | } |
| | | |
| | | matrix concat_matrix(matrix m1, matrix m2) |
| | | { |
| | | int i, count = 0; |
| | | matrix m; |
| | | m.cols = m1.cols; |
| | | m.rows = m1.rows+m2.rows; |
| | | m.vals = calloc(m1.rows + m2.rows, sizeof(float*)); |
| | | for(i = 0; i < m1.rows; ++i){ |
| | | m.vals[count++] = m1.vals[i]; |
| | | } |
| | | for(i = 0; i < m2.rows; ++i){ |
| | | m.vals[count++] = m2.vals[i]; |
| | | } |
| | | return m; |
| | | } |
| | | |
| | | data concat_data(data d1, data d2) |
| | | { |
| | | data d; |
| | | d.shallow = 1; |
| | | d.X = concat_matrix(d1.X, d2.X); |
| | | d.y = concat_matrix(d1.y, d2.y); |
| | | return d; |
| | | } |
| | | |
| | | data load_categorical_data_csv(char *filename, int target, int k) |
| | | { |
| | | data d; |