| | |
| | | void train_writing(char *cfgfile, char *weightfile) |
| | | { |
| | | char *backup_directory = "/home/pjreddie/backup/"; |
| | | data_seed = time(0); |
| | | srand(time(0)); |
| | | float avg_loss = -1; |
| | | char *base = basecfg(cfgfile); |
| | |
| | | clock_t time; |
| | | int N = plist->size; |
| | | printf("N: %d\n", N); |
| | | image out = get_network_image(net); |
| | | |
| | | data train, buffer; |
| | | |
| | | load_args args = {0}; |
| | | args.w = net.w; |
| | | args.h = net.h; |
| | | args.out_w = out.w; |
| | | args.out_h = out.h; |
| | | args.paths = paths; |
| | | args.n = imgs; |
| | | args.m = N; |
| | | args.downsample = 1; |
| | | args.d = &buffer; |
| | | args.type = WRITING_DATA; |
| | | |
| | |
| | | float loss = train_network(net, train); |
| | | |
| | | /* |
| | | image pred = float_to_image(64, 64, 1, out); |
| | | print_image(pred); |
| | | */ |
| | | image pred = float_to_image(64, 64, 1, out); |
| | | print_image(pred); |
| | | */ |
| | | |
| | | /* |
| | | image im = float_to_image(256, 256, 3, train.X.vals[0]); |
| | |
| | | if(avg_loss == -1) avg_loss = loss; |
| | | avg_loss = avg_loss*.9 + loss*.1; |
| | | printf("%d, %.3f: %f, %f avg, %f rate, %lf seconds, %d images\n", get_current_batch(net), (float)(*net.seen)/N, loss, avg_loss, get_current_rate(net), sec(clock()-time), *net.seen); |
| | | free_data(train); |
| | | if(get_current_batch(net)%100 == 0){ |
| | | char buff[256]; |
| | | sprintf(buff, "%s/%s_batch_%d.weights", backup_directory, base, get_current_batch(net)); |
| | | save_weights(net, buff); |
| | | } |
| | | if(*net.seen/N > epoch){ |
| | | epoch = *net.seen/N; |
| | | char buff[256]; |
| | | sprintf(buff, "%s/%s_%d.weights",backup_directory,base, epoch); |
| | | save_weights(net, buff); |
| | | } |
| | | free_data(train); |
| | | if(get_current_batch(net)%100 == 0){ |
| | | char buff[256]; |
| | | sprintf(buff, "%s/%s_batch_%d.weights", backup_directory, base, get_current_batch(net)); |
| | | save_weights(net, buff); |
| | | } |
| | | if(*net.seen/N > epoch){ |
| | | epoch = *net.seen/N; |
| | | char buff[256]; |
| | | sprintf(buff, "%s/%s_%d.weights",backup_directory,base, epoch); |
| | | save_weights(net, buff); |
| | | } |
| | | } |
| | | } |
| | | |
| | | void test_writing(char *cfgfile, char *weightfile, char *outfile) |
| | | void test_writing(char *cfgfile, char *weightfile, char *filename) |
| | | { |
| | | network net = parse_network_cfg(cfgfile); |
| | | if(weightfile){ |
| | |
| | | set_batch_network(&net, 1); |
| | | srand(2222222); |
| | | clock_t time; |
| | | char filename[256]; |
| | | char buff[256]; |
| | | char *input = buff; |
| | | while(1){ |
| | | if(filename){ |
| | | strncpy(input, filename, 256); |
| | | }else{ |
| | | printf("Enter Image Path: "); |
| | | fflush(stdout); |
| | | input = fgets(input, 256, stdin); |
| | | if(!input) return; |
| | | strtok(input, "\n"); |
| | | } |
| | | |
| | | fgets(filename, 256, stdin); |
| | | strtok(filename, "\n"); |
| | | image im = load_image_color(filename, 0, 0); |
| | | //image im = load_image_color("/home/pjreddie/darknet/data/figs/C02-1001-Figure-1.png", 0, 0); |
| | | image sized = resize_image(im, net.w, net.h); |
| | | printf("%d %d %d\n", im.h, im.w, im.c); |
| | | float *X = sized.data; |
| | | time=clock(); |
| | | network_predict(net, X); |
| | | printf("%s: Predicted in %f seconds.\n", filename, sec(clock()-time)); |
| | | image pred = get_network_image(net); |
| | | image im = load_image_color(input, 0, 0); |
| | | resize_network(&net, im.w, im.h); |
| | | printf("%d %d %d\n", im.h, im.w, im.c); |
| | | float *X = im.data; |
| | | time=clock(); |
| | | network_predict(net, X); |
| | | printf("%s: Predicted in %f seconds.\n", input, sec(clock()-time)); |
| | | image pred = get_network_image(net); |
| | | |
| | | image t = threshold_image(pred, .5); |
| | | free_image(pred); |
| | | pred = t; |
| | | image upsampled = resize_image(pred, im.w, im.h); |
| | | image thresh = threshold_image(upsampled, .5); |
| | | pred = thresh; |
| | | |
| | | if (outfile) { |
| | | printf("Save image as %s.png (shape: %d %d)\n", outfile, pred.w, pred.h); |
| | | save_image(pred, outfile); |
| | | } else { |
| | | show_image(sized, "orig"); |
| | | show_image(pred, "prediction"); |
| | | show_image(im, "orig"); |
| | | #ifdef OPENCV |
| | | cvWaitKey(0); |
| | | cvDestroyAllWindows(); |
| | | cvWaitKey(0); |
| | | cvDestroyAllWindows(); |
| | | #endif |
| | | } |
| | | |
| | | free_image(im); |
| | | free_image(sized); |
| | | free_image(upsampled); |
| | | free_image(thresh); |
| | | free_image(im); |
| | | if (filename) break; |
| | | } |
| | | } |
| | | |
| | | void run_writing(int argc, char **argv) |
| | | { |
| | | if(argc < 4){ |
| | | fprintf(stderr, "usage: %s %s [train/test/valid] [cfg] [weights (optional)]\n", argv[0], argv[1]); |
| | | return; |
| | | } |
| | | if(argc < 4){ |
| | | fprintf(stderr, "usage: %s %s [train/test/valid] [cfg] [weights (optional)]\n", argv[0], argv[1]); |
| | | return; |
| | | } |
| | | |
| | | char *cfg = argv[3]; |
| | | char *weights = (argc > 4) ? argv[4] : 0; |
| | | char *outfile = (argc > 5) ? argv[5] : 0; |
| | | if(0==strcmp(argv[2], "train")) train_writing(cfg, weights); |
| | | else if(0==strcmp(argv[2], "test")) test_writing(cfg, weights, outfile); |
| | | char *cfg = argv[3]; |
| | | char *weights = (argc > 4) ? argv[4] : 0; |
| | | char *filename = (argc > 5) ? argv[5] : 0; |
| | | if(0==strcmp(argv[2], "train")) train_writing(cfg, weights); |
| | | else if(0==strcmp(argv[2], "test")) test_writing(cfg, weights, filename); |
| | | } |
| | | |