| | |
| | | } |
| | | } |
| | | |
| | | data load_data_image_paths(char **paths, int n, char **labels, int k) |
| | | data load_data_image_paths(char **paths, int n, char **labels, int k, int h, int w) |
| | | { |
| | | int i; |
| | | data d; |
| | |
| | | d.y = make_matrix(n, k); |
| | | |
| | | for(i = 0; i < n; ++i){ |
| | | image im = load_image(paths[i]); |
| | | image im = load_image(paths[i], h, w); |
| | | d.X.vals[i] = im.data; |
| | | d.X.cols = im.h*im.w*im.c; |
| | | fill_truth(paths[i], labels, k, d.y.vals[i]); |
| | |
| | | return d; |
| | | } |
| | | |
| | | data load_data_image_pathfile(char *filename, char **labels, int k) |
| | | data load_data_image_pathfile(char *filename, char **labels, int k, int h, int w) |
| | | { |
| | | list *plist = get_paths(filename); |
| | | char **paths = (char **)list_to_array(plist); |
| | | data d = load_data_image_paths(paths, plist->size, labels, k); |
| | | data d = load_data_image_paths(paths, plist->size, labels, k, h, w); |
| | | free_list_contents(plist); |
| | | free_list(plist); |
| | | free(paths); |
| | |
| | | } |
| | | } |
| | | |
| | | data load_data_image_pathfile_part(char *filename, int part, int total, char **labels, int k) |
| | | data load_data_image_pathfile_part(char *filename, int part, int total, char **labels, int k, int h, int w) |
| | | { |
| | | list *plist = get_paths(filename); |
| | | char **paths = (char **)list_to_array(plist); |
| | | int start = part*plist->size/total; |
| | | int end = (part+1)*plist->size/total; |
| | | data d = load_data_image_paths(paths+start, end-start, labels, k); |
| | | data d = load_data_image_paths(paths+start, end-start, labels, k, h, w); |
| | | free_list_contents(plist); |
| | | free_list(plist); |
| | | free(paths); |
| | | return d; |
| | | } |
| | | |
| | | data load_data_image_pathfile_random(char *filename, int n, char **labels, int k) |
| | | data load_data_image_pathfile_random(char *filename, int n, char **labels, int k, int h, int w) |
| | | { |
| | | int i; |
| | | list *plist = get_paths(filename); |
| | |
| | | for(i = 0; i < n; ++i){ |
| | | int index = rand()%plist->size; |
| | | random_paths[i] = paths[index]; |
| | | if(i == 0) printf("%s\n", paths[index]); |
| | | } |
| | | data d = load_data_image_paths(random_paths, n, labels, k); |
| | | data d = load_data_image_paths(random_paths, n, labels, k, h, w); |
| | | free_list_contents(plist); |
| | | free_list(plist); |
| | | free(paths); |
| | |
| | | } |
| | | } |
| | | |
| | | void scale_data_rows(data d, float s) |
| | | { |
| | | int i; |
| | | for(i = 0; i < d.X.rows; ++i){ |
| | | scale_array(d.X.vals[i], d.X.cols, s); |
| | | } |
| | | } |
| | | |
| | | void normalize_data_rows(data d) |
| | | { |
| | | int i; |