153 lines
6.0 KiB
Python
153 lines
6.0 KiB
Python
import os.path as osp
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import logging
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import time
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import argparse
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from collections import OrderedDict
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import os
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import options.options as option
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import utils.util as util
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from data.util import bgr2ycbcr
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import models.archs.SwitchedResidualGenerator_arch as srg
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from switched_conv_util import save_attention_to_image, save_attention_to_image_rgb
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from switched_conv import compute_attention_specificity
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from data import create_dataset, create_dataloader
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from models import create_model
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from tqdm import tqdm
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import torch
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import models.networks as networks
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# Concepts: Swap transformations around. Normalize attention. Disable individual switches, both randomly and one at
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# a time, starting at the last switch. Pick random regions in an image and print out the full attention vector for
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# each switch. Yield an output directory name for each alteration and None when last alteration is completed.
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def alter_srg(srg: srg.ConfigurableSwitchedResidualGenerator2):
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# First alteration, strip off switches one at a time.
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yield "naked"
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'''
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for i in range(1, len(srg.switches)):
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srg.switches = srg.switches[:-i]
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yield "stripped-%i" % (i,)
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'''
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for sw in srg.switches:
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sw.set_temperature(.001)
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yield "specific"
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for sw in srg.switches:
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sw.set_temperature(1000)
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yield "normalized"
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for sw in srg.switches:
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sw.set_temperature(1)
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sw.switch.attention_norm = None
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yield "no_anorm"
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return None
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def analyze_srg(srg: srg.ConfigurableSwitchedResidualGenerator2, path, alteration_suffix):
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mean_hists = [compute_attention_specificity(att, 2) for att in srg.attentions]
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means = [i[0] for i in mean_hists]
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hists = [torch.histc(i[1].clone().detach().cpu().flatten().float(), bins=srg.transformation_counts) for i in mean_hists]
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hists = [h / torch.sum(h) for h in hists]
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for i in range(len(means)):
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print("%s - switch_%i_specificity" % (alteration_suffix, i), means[i])
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print("%s - switch_%i_histogram" % (alteration_suffix, i), hists[i])
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[save_attention_to_image_rgb(path, srg.attentions[i], srg.transformation_counts, alteration_suffix, i) for i in range(len(srg.attentions))]
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def forward_pass(model, output_dir, alteration_suffix=''):
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model.feed_data(data, need_GT=need_GT)
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model.test()
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visuals = model.get_current_visuals(need_GT)['rlt'].cpu()
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fea_loss = 0
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for i in range(visuals.shape[0]):
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img_path = data['GT_path'][i] if need_GT else data['LQ_path'][i]
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img_name = osp.splitext(osp.basename(img_path))[0]
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sr_img = util.tensor2img(visuals[i]) # uint8
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# save images
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suffix = alteration_suffix
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if suffix:
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save_img_path = osp.join(output_dir, img_name + suffix + '.png')
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else:
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save_img_path = osp.join(output_dir, img_name + '.png')
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if need_GT:
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fea_loss += model.compute_fea_loss(visuals[i], data['GT'][i])
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util.save_img(sr_img, save_img_path)
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return fea_loss
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if __name__ == "__main__":
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#### options
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torch.backends.cudnn.benchmark = True
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want_just_images = True
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srg_analyze = False
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parser = argparse.ArgumentParser()
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parser.add_argument('-opt', type=str, help='Path to options YAML file.', default='../options/srgan_compute_feature.yml')
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opt = option.parse(parser.parse_args().opt, is_train=False)
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opt = option.dict_to_nonedict(opt)
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util.mkdirs(
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(path for key, path in opt['path'].items()
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if not key == 'experiments_root' and 'pretrain_model' not in key and 'resume' not in key))
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util.setup_logger('base', opt['path']['log'], 'test_' + opt['name'], level=logging.INFO,
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screen=True, tofile=True)
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logger = logging.getLogger('base')
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logger.info(option.dict2str(opt))
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#### Create test dataset and dataloader
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test_loaders = []
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for phase, dataset_opt in sorted(opt['datasets'].items()):
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test_set = create_dataset(dataset_opt)
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test_loader = create_dataloader(test_set, dataset_opt)
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logger.info('Number of test images in [{:s}]: {:d}'.format(dataset_opt['name'], len(test_set)))
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test_loaders.append(test_loader)
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model = create_model(opt)
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fea_loss = 0
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for test_loader in test_loaders:
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test_set_name = test_loader.dataset.opt['name']
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logger.info('\nTesting [{:s}]...'.format(test_set_name))
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test_start_time = time.time()
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dataset_dir = osp.join(opt['path']['results_root'], test_set_name)
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util.mkdir(dataset_dir)
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test_results = OrderedDict()
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test_results['psnr'] = []
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test_results['ssim'] = []
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test_results['psnr_y'] = []
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test_results['ssim_y'] = []
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tq = tqdm(test_loader)
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for data in tq:
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need_GT = False if test_loader.dataset.opt['dataroot_GT'] is None else True
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if srg_analyze:
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orig_model = model.netG
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model_copy = networks.define_G(opt).to(model.device)
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model_copy.load_state_dict(orig_model.state_dict())
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model.netG = model_copy
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for alteration_suffix in alter_srg(model_copy):
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alt_path = osp.join(dataset_dir, alteration_suffix)
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img_path = data['GT_path'][0] if need_GT else data['LQ_path'][0]
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img_name = osp.splitext(osp.basename(img_path))[0] + opt['name']
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alteration_suffix += img_name
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os.makedirs(alt_path, exist_ok=True)
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forward_pass(model, dataset_dir, alteration_suffix)
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analyze_srg(model_copy, alt_path, alteration_suffix)
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# Reset model and do next alteration.
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model_copy = networks.define_G(opt).to(model.device)
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model_copy.load_state_dict(orig_model.state_dict())
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model.netG = model_copy
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else:
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fea_loss += forward_pass(model, dataset_dir, opt['name'])
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# log
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logger.info('# Validation # Fea: {:.4e}'.format(fea_loss / len(test_loader)))
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