def main(argv): (opts, args) = parser.parse_args(argv) torch.manual_seed(opts.seed) torch.cuda.manual_seed(opts.seed) if not os.path.exists(opts.output_folder): os.makedirs(opts.output_folder) # Load experiment setting config = get_config(opts.config) style_dim = config['gen']['style_dim'] opts.num_style = 1 if opts.style != '' else opts.num_style # Setup model and data loader trainer = MUNIT_Trainer(config) state_dict = torch.load(opts.checkpoint) trainer.gen_a.load_state_dict(state_dict['a']) trainer.gen_b.load_state_dict(state_dict['b']) trainer.cuda() trainer.eval() encode = trainer.gen_a.encode if opts.a2b else trainer.gen_b.encode # encode function style_encode = trainer.gen_b.encode if opts.a2b else trainer.gen_a.encode # encode function decode = trainer.gen_b.decode if opts.a2b else trainer.gen_a.decode # decode function transform = transforms.Compose([ transforms.Resize(config['new_size']), transforms.ToTensor(), transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5)) ]) image = Variable(transform(Image.open( opts.input).convert('RGB')).unsqueeze(0).cuda(), volatile=True) style_image = Variable(transform(Image.open( opts.style).convert('RGB')).unsqueeze(0).cuda(), volatile=True) if opts.style != '' else None # Start testing style_rand = Variable(torch.randn(opts.num_style, style_dim, 1, 1).cuda(), volatile=True) content, _ = encode(image) if opts.style != '': _, style = style_encode(style_image) else: style = style_rand for j in range(opts.num_style): s = style[j].unsqueeze(0) outputs = decode(content, s) outputs = (outputs + 1) / 2. path = os.path.join(opts.output_folder, 'output{:03d}.jpg'.format(j)) vutils.save_image(outputs.data, path, padding=0, normalize=True) if not opts.output_only: # also save input images vutils.save_image(image.data, os.path.join(opts.output_folder, 'input.jpg'), padding=0, normalize=True)
def main(argv): (opts, args) = parser.parse_args(argv) torch.manual_seed(opts.seed) torch.cuda.manual_seed(opts.seed) if not os.path.exists(opts.output_folder): os.makedirs(opts.output_folder) # Load experiment setting config = get_config(opts.config) input_dim = config['new_size'] if opts.a2b else config['input_dim_b'] style_dim = config['gen']['style_dim'] # Setup model and data loader data_loader = get_data_loader_folder(opts.input_folder, 1, False, input_dim == 1, crop=False) trainer = MUNIT_Trainer(config) state_dict = torch.load(opts.checkpoint) trainer.gen_a.load_state_dict(state_dict['a']) trainer.gen_b.load_state_dict(state_dict['b']) trainer.cuda() trainer.eval() encode = trainer.gen_a.encode if opts.a2b else trainer.gen_b.encode # encode function decode = trainer.gen_b.decode if opts.a2b else trainer.gen_a.decode # decode function # Start testing style_fixed = Variable(torch.randn(opts.num_style, style_dim, 1, 1).cuda(), volatile=True) for i, images in enumerate(data_loader): images = Variable(images.cuda(), volatile=True) content, _ = encode(images) style = style_fixed if opts.synchronized else Variable( torch.randn(opts.num_style, style_dim, 1, 1).cuda(), volatile=True) for j in range(opts.num_style): s = style[j].unsqueeze(0) outputs = decode(content, s) outputs = (outputs + 1) / 2. path = os.path.join(opts.output_folder, 'input{:03d}_output{:03d}.jpg'.format(i, j)) vutils.save_image(outputs.data, path, padding=0, normalize=True) if not opts.output_only: # also save input images vutils.save_image(images.data, os.path.join(opts.output_folder, 'input{:03d}.jpg'.format(i)), padding=0, normalize=True)
type=str, default='MUNIT', help="MUNIT|UNIT") opts = parser.parse_args() cudnn.benchmark = True # Load experiment setting config = get_config(opts.config) max_iter = config['max_iter'] display_size = config['display_size'] config['vgg_model_path'] = opts.output_path # Setup model and data loader if opts.trainer == 'MUNIT': trainer = MUNIT_Trainer(config) elif opts.trainer == 'UNIT': trainer = UNIT_Trainer(config) else: sys.exit("Only support MUNIT|UNIT") trainer.cuda() train_loader_a, train_loader_b, test_loader_a, test_loader_b = get_all_data_loaders( config) train_display_images_a = torch.stack( [train_loader_a.dataset[i] for i in range(display_size)]).cuda() train_display_images_b = torch.stack( [train_loader_b.dataset[i] for i in range(display_size)]).cuda() test_display_images_a = torch.stack( [test_loader_a.dataset[i] for i in range(display_size)]).cuda() test_display_images_b = torch.stack( [test_loader_b.dataset[i] for i in range(display_size)]).cuda()
def main(argv): (opts, args) = parser.parse_args(argv) cudnn.benchmark = True model_name = os.path.splitext(os.path.basename(opts.config))[0] # Load experiment setting config = get_config(opts.config) max_iter = config['max_iter'] display_size = config['display_size'] # Setup model and data loader trainer = MUNIT_Trainer(config) trainer.cuda() train_loader_a, train_loader_b, test_loader_a, test_loader_b = get_all_data_loaders( config) test_display_images_a = Variable(torch.stack( [test_loader_a.dataset[i] for i in range(display_size)]).cuda(), volatile=True) test_display_images_b = Variable(torch.stack( [test_loader_b.dataset[i] for i in range(display_size)]).cuda(), volatile=True) train_display_images_a = Variable(torch.stack( [train_loader_a.dataset[i] for i in range(display_size)]).cuda(), volatile=True) train_display_images_b = Variable(torch.stack( [train_loader_b.dataset[i] for i in range(display_size)]).cuda(), volatile=True) # Setup logger and output folders train_writer = tensorboard.SummaryWriter(os.path.join( opts.log, model_name)) output_directory = os.path.join(opts.outputs, model_name) checkpoint_directory, image_directory = prepare_sub_folder( output_directory) shutil.copy(opts.config, os.path.join( output_directory, 'config.yaml')) # copy config file to output folder # Start training iterations = trainer.resume(checkpoint_directory) if opts.resume else 0 while True: for it, (images_a, images_b) in enumerate(izip(train_loader_a, train_loader_b)): trainer.update_learning_rate() images_a, images_b = Variable(images_a.cuda()), Variable( images_b.cuda()) # Main training code trainer.dis_update(images_a, images_b, config) trainer.gen_update(images_a, images_b, config) # Dump training stats in log file if (iterations + 1) % config['log_iter'] == 0: print("Iteration: %08d/%08d" % (iterations + 1, max_iter)) write_loss(iterations, trainer, train_writer) # Write images if (iterations + 1) % config['image_save_iter'] == 0: # Test set images image_outputs = trainer.sample(test_display_images_a, test_display_images_b) write_images( image_outputs, display_size, '%s/gen_test%08d.jpg' % (image_directory, iterations + 1)) # Train set images image_outputs = trainer.sample(train_display_images_a, train_display_images_b) write_images( image_outputs, display_size, '%s/gen_train%08d.jpg' % (image_directory, iterations + 1)) # HTML write_html(output_directory + "/index.html", iterations + 1, config['image_save_iter'], 'images') if (iterations + 1) % config['image_save_iter'] == 0: image_outputs = trainer.sample(test_display_images_a, test_display_images_b) write_images(image_outputs, display_size, '%s/gen.jpg' % image_directory) # Save network weights if (iterations + 1) % config['snapshot_save_iter'] == 0: trainer.save(checkpoint_directory, iterations) iterations += 1 if iterations >= max_iter: return
default='MUNIT', help="MUNIT|UNIT") opts = parser.parse_args() device = torch.device('cuda:{}'.format(int( opts.gpu_ids))) if opts.gpu_ids != '-1' else torch.device('cpu') cudnn.benchmark = True # Load experiment setting config = get_config(opts.config) max_iter = config['max_iter'] display_size = config['display_size'] config['vgg_model_path'] = opts.output_path # Setup model and data loader if opts.trainer == 'MUNIT': trainer = MUNIT_Trainer(config, device) elif opts.trainer == 'UNIT': trainer = UNIT_Trainer(config) else: sys.exit("Only support MUNIT|UNIT") trainer.to(device) train_loader_a, train_loader_b, test_loader_a, test_loader_b = get_all_data_loaders( config) train_display_images_a = torch.stack( [train_loader_a.dataset[i] for i in range(display_size)]).to(device) train_display_images_b = torch.stack( [train_loader_b.dataset[i] for i in range(display_size)]).to(device) test_display_images_a = torch.stack( [test_loader_a.dataset[i] for i in range(display_size)]).to(device) test_display_images_b = torch.stack( [test_loader_b.dataset[i] for i in range(display_size)]).to(device)
def main(): parser = argparse.ArgumentParser() parser.add_argument('--config', type=str, default='configs/edges2handbags_folder.yaml', help='Path to the config file.') parser.add_argument('--output_path', type=str, default='.', help="outputs path") #resume option => [, default='730000'] parser.add_argument("--resume", default='150000', action="store_true") parser.add_argument('--trainer', type=str, default='MUNIT', help="MUNIT|UNIT") opts = parser.parse_args() cudnn.benchmark = True # Load experiment setting config = get_config(opts.config) max_iter = config['max_iter'] display_size = config['display_size'] config['vgg_model_path'] = opts.output_path # Setup model and data loader if opts.trainer == 'MUNIT': trainer = MUNIT_Trainer(config) elif opts.trainer == 'UNIT': trainer = UNIT_Trainer(config) else: sys.exit("Only support MUNIT|UNIT") trainer.cuda() train_loader_a, train_loader_b, test_loader_a, test_loader_b = get_all_data_loaders( config) train_display_images_a = torch.stack( [train_loader_a.dataset[i] for i in range(display_size)]).cuda() train_display_images_b = torch.stack( [train_loader_b.dataset[i] for i in range(display_size)]).cuda() test_display_images_a = torch.stack( [test_loader_a.dataset[i] for i in range(display_size)]).cuda() test_display_images_b = torch.stack( [test_loader_b.dataset[i] for i in range(display_size)]).cuda() # Setup logger and output folders model_name = os.path.splitext(os.path.basename(opts.config))[0] train_writer = tensorboardX.SummaryWriter( os.path.join(opts.output_path + "/logs", model_name)) output_directory = os.path.join(opts.output_path + "/outputs", model_name) checkpoint_directory, image_directory = prepare_sub_folder( output_directory) shutil.copy(opts.config, os.path.join( output_directory, 'config.yaml')) # copy config file to output folder # Start training iterations = trainer.resume(checkpoint_directory, hyperparameters=config) if opts.resume else 0 while True: for it, (images_a, images_b) in enumerate(zip(train_loader_a, train_loader_b)): trainer.update_learning_rate() images_a, images_b = images_a.cuda().detach(), images_b.cuda( ).detach() with Timer("Elapsed time in update: %f"): # Main training code trainer.dis_update(images_a, images_b, config) trainer.gen_update(images_a, images_b, config) torch.cuda.synchronize() # Dump training stats in log file if (iterations + 1) % config['log_iter'] == 0: print("Iteration: %08d/%08d" % (iterations + 1, max_iter)) write_loss(iterations, trainer, train_writer) # Write images if (iterations + 1) % config['image_save_iter'] == 0: with torch.no_grad(): test_image_outputs = trainer.sample( test_display_images_a, test_display_images_b) train_image_outputs = trainer.sample( train_display_images_a, train_display_images_b) write_2images(test_image_outputs, display_size, image_directory, 'test_%08d' % (iterations + 1)) write_2images(train_image_outputs, display_size, image_directory, 'train_%08d' % (iterations + 1)) # HTML write_html(output_directory + "/index.html", iterations + 1, config['image_save_iter'], 'images') if (iterations + 1) % config['image_display_iter'] == 0: with torch.no_grad(): image_outputs = trainer.sample(train_display_images_a, train_display_images_b) write_2images(image_outputs, display_size, image_directory, 'train_current') # Save network weights if (iterations + 1) % config['snapshot_save_iter'] == 0: trainer.save(checkpoint_directory, iterations) iterations += 1 if iterations >= max_iter: sys.exit('Finish training')
if o in config: print("Overwriting {:20} {:30} -> {:}".format( o, config[k], getattr(opts, o))) config[o] = getattr(opts, o) comet_exp.log_asset(opts.config) max_iter = config["max_iter"] display_size = config["display_size"] config["vgg_model_path"] = opts.output_path comet_exp.log_parameters(config) print("Using model", opts.trainer) # Setup model and data loader if opts.trainer == "MUNIT": trainer = MUNIT_Trainer(config, comet_exp) elif opts.trainer == "UNIT": trainer = UNIT_Trainer(config) elif opts.trainer == "DoubleMUNIT": trainer = DoubleMUNIT_Trainer(config, comet_exp) else: sys.exit("Only support MUNIT|UNIT|DOubleMUNIT") trainer.cuda() train_loader_a, train_loader_b, test_loader_a, test_loader_b = get_all_data_loaders( config) train_display_images_a = torch.stack( [train_loader_a.dataset[i] for i in range(display_size)]).cuda() train_display_images_b = torch.stack( [train_loader_b.dataset[i] for i in range(display_size)]).cuda() test_display_images_a = torch.stack( [test_loader_a.dataset[i] for i in range(display_size)]).cuda()
help="outputs path") parser.add_argument('--load', type=int, default=400) parser.add_argument('--snapshot_dir', type=str, default='.') opts = parser.parse_args() cudnn.benchmark = True # Load experiment setting. config = get_config(opts.config) display_size = config['display_size'] config['vgg_model_path'] = opts.output_path # Setup model and data loader. if config['trainer'] == 'MUNIT': trainer = MUNIT_Trainer(config, resume_epoch=opts.load, snapshot_dir=opts.snapshot_dir) elif config['trainer'] == 'UNIT': trainer = UNIT_Trainer(config, resume_epoch=opts.load, snapshot_dir=opts.snapshot_dir) else: sys.exit("Only support MUNIT|UNIT.") os.exit() trainer.cuda() dataset_letters = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I'] samples = list() dataset_probs = list() augmentation = list()
type=str, default='munit_semantic_loss', help='name of the experiment') opts = parser.parse_args() cudnn.benchmark = True # Load experiment setting config = get_config(opts.config) max_iter = config['max_iter'] display_size = config['display_size'] config['data_root'] = opts.data_root # Setup model and data loader if opts.trainer == 'MUNIT': trainer = MUNIT_Trainer(config, opts) else: sys.exit("Only support MUNIT") trainer.cuda() train_loader_a, train_loader_b, test_loader_a, test_loader_b = get_all_data_loaders( config) data_masks = [train_loader_a.dataset[i] for i in range(config['display_size'])] train_display_images_a = torch.stack([dm[0] for dm in data_masks]).cuda() train_display_target_a = torch.stack([dm[1] for dm in data_masks]).cuda() data_masks = [train_loader_b.dataset[i] for i in range(config['display_size'])] train_display_images_b = torch.stack([dm[0] for dm in data_masks]).cuda() train_display_target_b = torch.stack([dm[1] for dm in data_masks]).cuda()
def main(): from utils import get_all_data_loaders, prepare_sub_folder, write_html, write_loss, get_config, write_2images, Timer import argparse from torch.autograd import Variable from trainer import MUNIT_Trainer, UNIT_Trainer import torch.backends.cudnn as cudnn import torch # try: # from itertools import izip as zip # except ImportError: # will be 3.x series # pass import os import sys import tensorboardX import shutil os.environ["CUDA_VISIBLE_DEVICES"] = str(0) parser = argparse.ArgumentParser() parser.add_argument('--config', type=str, default='configs/edges2handbags_folder.yaml', help='Path to the config file.') parser.add_argument('--output_path', type=str, default='.', help="outputs path") parser.add_argument("--resume", action="store_true") parser.add_argument('--trainer', type=str, default='MUNIT', help="MUNIT|UNIT") opts = parser.parse_args() cudnn.benchmark = True ''' Note: https://www.pytorchtutorial.com/when-should-we-set-cudnn-benchmark-to-true/ 大部分情况下,设置这个 flag 可以让内置的 cuDNN 的 auto-tuner 自动寻找最适合当前配置的高效算法,来达到优化运行效率的问题 1. 如果网络的输入数据维度或类型上变化不大,设置 torch.backends.cudnn.benchmark = true 可以增加运行效率; 2. 如果网络的输入数据在每次 iteration 都变化的话,会导致 cnDNN 每次都会去寻找一遍最优配置,这样反而会降低运行效率。 ''' # Load experiment setting config = get_config(opts.config) max_iter = config['max_iter'] display_size = config['display_size'] config['vgg_model_path'] = opts.output_path # Setup model and data loader if opts.trainer == 'MUNIT': trainer = MUNIT_Trainer(config) elif opts.trainer == 'UNIT': trainer = UNIT_Trainer(config) else: sys.exit("Only support MUNIT|UNIT") trainer.cuda() train_loader_a, train_loader_b, test_loader_a, test_loader_b = get_all_data_loaders( config) train_display_images_a = torch.stack( [train_loader_a.dataset[i] for i in range(display_size)]).cuda() train_display_images_b = torch.stack( [train_loader_b.dataset[i] for i in range(display_size)]).cuda() test_display_images_a = torch.stack( [test_loader_a.dataset[i] for i in range(display_size)]).cuda() test_display_images_b = torch.stack( [test_loader_b.dataset[i] for i in range(display_size)]).cuda() # Setup logger and output folders model_name = os.path.splitext(os.path.basename(opts.config))[0] train_writer = tensorboardX.SummaryWriter( os.path.join(opts.output_path + "/logs", model_name)) output_directory = os.path.join(opts.output_path + "/outputs", model_name) checkpoint_directory, image_directory = prepare_sub_folder( output_directory) shutil.copy(opts.config, os.path.join( output_directory, 'config.yaml')) # copy config file to output folder # Start training iterations = trainer.resume(checkpoint_directory, hyperparameters=config) if opts.resume else 0 while True: for it, (images_a, images_b) in enumerate(zip(train_loader_a, train_loader_b)): trainer.update_learning_rate() images_a, images_b = images_a.cuda().detach(), images_b.cuda( ).detach() with Timer("Elapsed time in update: %f"): # Main training code trainer.dis_update(images_a, images_b, config) trainer.gen_update(images_a, images_b, config) torch.cuda.synchronize() # Dump training stats in log file if (iterations + 1) % config['log_iter'] == 0: print("Iteration: %08d/%08d" % (iterations + 1, max_iter)) write_loss(iterations, trainer, train_writer) # Write images if (iterations + 1) % config['image_save_iter'] == 0: with torch.no_grad(): test_image_outputs = trainer.sample( test_display_images_a, test_display_images_b) train_image_outputs = trainer.sample( train_display_images_a, train_display_images_b) write_2images(test_image_outputs, display_size, image_directory, 'test_%08d' % (iterations + 1)) write_2images(train_image_outputs, display_size, image_directory, 'train_%08d' % (iterations + 1)) # HTML write_html(output_directory + "/index.html", iterations + 1, config['image_save_iter'], 'images') if (iterations + 1) % config['image_display_iter'] == 0: with torch.no_grad(): image_outputs = trainer.sample(train_display_images_a, train_display_images_b) write_2images(image_outputs, display_size, image_directory, 'train_current') # Save network weights if (iterations + 1) % config['snapshot_save_iter'] == 0: trainer.save(checkpoint_directory, iterations) iterations += 1 if iterations >= max_iter: sys.exit('Finish training')
def setup(opts): generator_checkpoint_path = opts['generator_checkpoint'] # generator_checkpoint_path = './checkpoints/ffhq2ladiescrop.pt' # Load experiment settings config = { 'image_save_iter': 10000, 'image_display_iter': 100, 'display_size': 16, 'snapshot_save_iter': 10000, 'log_iter': 100, 'max_iter': 1000000, 'batch_size': 1, 'weight_decay': 0.0001, 'beta1': 0.5, 'beta2': 0.999, 'init': 'kaiming', 'lr': 0.0001, 'lr_policy': 'step', 'step_size': 100000, 'gamma': 0.5, 'gan_w': 1, 'recon_x_w': 10, 'recon_s_w': 1, 'recon_c_w': 1, 'recon_x_cyc_w': 10, 'vgg_w': 0, 'gen': { 'dim': 64, 'mlp_dim': 256, 'style_dim': 8, 'activ': 'relu', 'n_downsample': 2, 'n_res': 4, 'pad_type': 'reflect' }, 'dis': { 'dim': 64, 'norm': 'none', 'activ': 'lrelu', 'n_layer': 4, 'gan_type': 'lsgan', 'num_scales': 3, 'pad_type': 'reflect' }, 'input_dim_a': 3, 'input_dim_b': 3, 'num_workers': 8, 'new_size': 1024, 'crop_image_height': 400, 'crop_image_width': 400, 'data_root': './datasets/ffhq2ladies/' } # Setup model and data loader trainer = MUNIT_Trainer(config) state_dict = torch.load(generator_checkpoint_path) trainer.gen_a.load_state_dict(state_dict['a']) trainer.gen_b.load_state_dict(state_dict['b']) return {'model': trainer, 'config': config}
def main(argv): (opts, args) = parser.parse_args(argv) cudnn.benchmark = True # Load experiment setting config = get_config(opts.config) max_iter = config['max_iter'] # Setup logger and output folders output_subfolders = prepare_logging_folders(config['output_root'], config['experiment_name']) logger = create_logger( os.path.join(output_subfolders['logs'], 'train_log.log')) shutil.copy(opts.config, os.path.join( output_subfolders['logs'], 'config.yaml')) # copy config file to output folder tb_logger = tensorboard_logger.Logger(output_subfolders['logs']) logger.info('============ Initialized logger ============') logger.info('Config File: {}'.format(opts.config)) # Setup model and data loader trainer = MUNIT_Trainer(config, opts) trainer.cuda() loaders = get_all_data_loaders(config) val_display_images = next(iter(loaders['val'])) logger.info('Test images: {}'.format(val_display_images['A_paths'])) # Start training iterations = trainer.resume(opts.model_path, hyperparameters=config) if opts.resume else 0 while True: for it, images in enumerate(loaders['train']): trainer.update_learning_rate() images_a = images['A'] images_b = images['B'] images_a, images_b = Variable(images_a.cuda()), Variable( images_b.cuda()) # Main training code trainer.dis_update(images_a, images_b, config) trainer.gen_update(images_a, images_b, config) # Dump training stats in log file if (iterations + 1) % config['log_iter'] == 0: for tag, value in trainer.loss.items(): tb_logger.scalar_summary(tag, value, iterations) val_output_imgs = trainer.sample( Variable(val_display_images['A'].cuda()), Variable(val_display_images['B'].cuda())) tb_imgs = [] for imgs in val_output_imgs.values(): tb_imgs.append(torch.cat(torch.unbind(imgs, 0), dim=2)) tb_logger.image_summary(list(val_output_imgs.keys()), tb_imgs, iterations) if (iterations + 1) % config['print_iter'] == 0: logger.info( "Iteration: {:08}/{:08} Discriminator Loss: {:.4f} Generator Loss: {:.4f}" .format(iterations + 1, max_iter, trainer.loss['D/total'], trainer.loss['G/total'])) # Write images # if (iterations + 1) % config['image_save_iter'] == 0: # val_output_imgs = trainer.sample( # Variable(val_display_images['A'].cuda()), # Variable(val_display_images['B'].cuda())) # # for key, imgs in val_output_imgs.items(): # key = key.replace('/', '_') # write_images(imgs, config['display_size'], '{}/{}_{:08}.jpg'.format(output_subfolders['images'], key, iterations+1)) # # logger.info('Saved images to: {}'.format(output_subfolders['images'])) # Save network weights if (iterations + 1) % config['snapshot_save_iter'] == 0: trainer.save(output_subfolders['models'], iterations) iterations += 1 if iterations >= max_iter: return