| | |
| | | } |
| | | */ |
| | | |
| | | char *basename(char *cfgfile) |
| | | { |
| | | char *c = cfgfile; |
| | | char *next; |
| | | while((next = strchr(c, '/'))) |
| | | { |
| | | c = next+1; |
| | | } |
| | | c = copy_string(c); |
| | | next = strchr(c, '_'); |
| | | if (next) *next = 0; |
| | | next = strchr(c, '.'); |
| | | if (next) *next = 0; |
| | | return c; |
| | | } |
| | | |
| | | void train_imagenet(char *cfgfile) |
| | | { |
| | | float avg_loss = 1; |
| | | float avg_loss = -1; |
| | | srand(time(0)); |
| | | char *base = basename(cfgfile); |
| | | printf("%s\n", base); |
| | | network net = parse_network_cfg(cfgfile); |
| | | //test_learn_bias(*(convolutional_layer *)net.layers[1]); |
| | | //set_learning_network(&net, net.learning_rate, 0, net.decay); |
| | |
| | | time=clock(); |
| | | float loss = train_network(net, train); |
| | | net.seen += imgs; |
| | | if(avg_loss == -1) avg_loss = loss; |
| | | avg_loss = avg_loss*.9 + loss*.1; |
| | | printf("%d: %f, %f avg, %lf seconds, %d images\n", i, loss, avg_loss, sec(clock()-time), net.seen); |
| | | free_data(train); |
| | | if(i%100==0){ |
| | | char buff[256]; |
| | | sprintf(buff, "/home/pjreddie/imagenet_backup/vgg_%d.cfg", i); |
| | | sprintf(buff, "/home/pjreddie/imagenet_backup/%s_%d.cfg",base, i); |
| | | save_network(net, buff); |
| | | } |
| | | } |
| | |
| | | |
| | | pthread_join(load_thread, 0); |
| | | val = buffer; |
| | | //normalize_data_rows(val); |
| | | |
| | | num = (i+1)*m/splits - i*m/splits; |
| | | char **part = paths+(i*m/splits); |
| | |
| | | |
| | | void test_init(char *cfgfile) |
| | | { |
| | | gpu_index = -1; |
| | | network net = parse_network_cfg(cfgfile); |
| | | set_batch_network(&net, 1); |
| | | srand(2222222); |
| | |
| | | } |
| | | void test_dog(char *cfgfile) |
| | | { |
| | | image im = load_image_color("data/dog.jpg", 224, 224); |
| | | image im = load_image_color("data/dog.jpg", 256, 256); |
| | | translate_image(im, -128); |
| | | print_image(im); |
| | | float *X = im.data; |
| | |
| | | strtok(filename, "\n"); |
| | | image im = load_image_color(filename, 256, 256); |
| | | translate_image(im, -128); |
| | | //scale_image(im, 1/128.); |
| | | scale_image(im, 1/128.); |
| | | printf("%d %d %d\n", im.h, im.w, im.c); |
| | | float *X = im.data; |
| | | time=clock(); |