Fix mega_batch_factor not set for test

codes/models/SRGAN_model.py

@@ -41,6 +41,7 @@ class SRGANModel(BaseModel):
                 p.requires_grad = True
         else:
             self.netC = None
+        self.mega_batch_factor = 1
 
         # define losses, optimizer and scheduler
         if self.is_train:

codes/test.py

@@ -7,17 +7,62 @@ from collections import OrderedDict
 import options.options as option
 import utils.util as util
 from data.util import bgr2ycbcr
+import models.archs.SwitchedResidualGenerator_arch as srg
+from switched_conv_util import save_attention_to_image
 from data import create_dataset, create_dataloader
 from models import create_model
 from tqdm import tqdm
 import torch
+import models.networks as networks
+
+
+# Concepts: Swap transformations around. Normalize attention. Disable individual switches, both randomly and one at
+# a time, starting at the last switch. Pick random regions in an image and print out the full attention vector for
+# each switch. Yield an output directory name for each alteration and None when last alteration is completed.
+def alter_srg(srg: srg.ConfigurableSwitchedResidualGenerator2):
+    # First alteration, strip off switches one at a time.
+    yield "naked"
+    for i in range(1, len(srg.switches)):
+        srg.switches = srg.switches[:-i]
+        yield "stripped-%i" % (i,)
+    return None
+
+def analyze_srg(srg: srg.ConfigurableSwitchedResidualGenerator2, path, alteration_suffix):
+    [save_attention_to_image(path, srg.attentions[i], srg.transformation_counts, i, "attention_" + alteration_suffix,
+                             l_mult=5) for i in range(len(srg.attentions))]
+
+
+def forward_pass(model, output_dir, alteration_suffix=''):
+    model.feed_data(data, need_GT=need_GT)
+    model.test()
+
+    if isinstance(model.fake_GenOut[0], tuple):
+        visuals = model.fake_GenOut[0][0].detach().float().cpu()
+    else:
+        visuals = model.fake_GenOut[0].detach().float().cpu()
+    for i in range(visuals.shape[0]):
+        img_path = data['GT_path'][i] if need_GT else data['LQ_path'][i]
+        img_name = osp.splitext(osp.basename(img_path))[0]
+
+        sr_img = util.tensor2img(visuals[i])  # uint8
+
+        # save images
+        suffix = alteration_suffix
+        if suffix:
+            save_img_path = osp.join(output_dir, img_name + suffix + '.png')
+        else:
+            save_img_path = osp.join(output_dir, img_name + '.png')
+
+        util.save_img(sr_img, save_img_path)
+
 
 if __name__ == "__main__":
     #### options
     torch.backends.cudnn.benchmark = True
     want_just_images = True
+    srg_analyze = True
     parser = argparse.ArgumentParser()
-    parser.add_argument('-opt', type=str, help='Path to options YMAL file.', default='../options/test_resgen_upsample.yml')
+    parser.add_argument('-opt', type=str, help='Path to options YMAL file.', default='../options/analyze_srg.yml')
     opt = option.parse(parser.parse_args().opt, is_train=False)
     opt = option.dict_to_nonedict(opt)
 
@@ -54,40 +99,21 @@ if __name__ == "__main__":
         tq = tqdm(test_loader)
         for data in tq:
             need_GT = False if test_loader.dataset.opt['dataroot_GT'] is None else True
-            model.feed_data(data, need_GT=need_GT)
-            model.test()
 
-            if isinstance(model.fake_H, tuple):
+            if srg_analyze:
-                visuals = model.fake_H[0].detach().float().cpu()
+                orig_model = model.netG
+                model_copy = networks.define_G(opt).to(model.device)
+                model_copy.load_state_dict(orig_model.state_dict())
+                model.netG = model_copy
+                for alteration_suffix in alter_srg(model_copy):
+                    img_path = data['GT_path'][0] if need_GT else data['LQ_path'][0]
+                    img_name = osp.splitext(osp.basename(img_path))[0]
+                    alteration_suffix += img_name
+                    forward_pass(model, dataset_dir, alteration_suffix)
+                    analyze_srg(model_copy, dataset_dir, alteration_suffix)
+                # Reset model and do next alteration.
+                model_copy = networks.define_G(opt).to(model.device)
+                model_copy.load_state_dict(orig_model.state_dict())
+                model.netG = model_copy
             else:
-                visuals = model.fake_H.detach().float().cpu()
+                forward_pass(model, dataset_dir)
-            for i in range(visuals.shape[0]):
-                img_path = data['GT_path'][i] if need_GT else data['LQ_path'][i]
-                img_name = osp.splitext(osp.basename(img_path))[0]
-
-                sr_img = util.tensor2img(visuals[i])  # uint8
-
-                # save images
-                suffix = opt['suffix']
-                if suffix:
-                    save_img_path = osp.join(dataset_dir, img_name + suffix + '.png')
-                else:
-                    save_img_path = osp.join(dataset_dir, img_name + '.png')
-                util.save_img(sr_img, save_img_path)
-
-                if want_just_images:
-                    continue
-
-        if not want_just_images and need_GT:  # metrics
-            # Average PSNR/SSIM results
-            ave_psnr = sum(test_results['psnr']) / len(test_results['psnr'])
-            ave_ssim = sum(test_results['ssim']) / len(test_results['ssim'])
-            logger.info(
-                '----Average PSNR/SSIM results for {}----\n\tPSNR: {:.6f} dB; SSIM: {:.6f}\n'.format(
-                    test_set_name, ave_psnr, ave_ssim))
-            if test_results['psnr_y'] and test_results['ssim_y']:
-                ave_psnr_y = sum(test_results['psnr_y']) / len(test_results['psnr_y'])
-                ave_ssim_y = sum(test_results['ssim_y']) / len(test_results['ssim_y'])
-                logger.info(
-                    '----Y channel, average PSNR/SSIM----\n\tPSNR_Y: {:.6f} dB; SSIM_Y: {:.6f}\n'.
-                    format(ave_psnr_y, ave_ssim_y))