forked from mrq/DL-Art-School
Fixes to unified chunk datasets to support stereoscopic training
This commit is contained in:
James Betker
parent
629b968901
commit
ff58c6484a
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@ -22,7 +22,7 @@ def create_dataloader(dataset, dataset_opt, opt=None, sampler=None):
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pin_memory=True)
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else:
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batch_size = dataset_opt['batch_size'] or 1
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return torch.utils.data.DataLoader(dataset, batch_size=batch_size, shuffle=False, num_workers=max(int(batch_size/2), 1),
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return torch.utils.data.DataLoader(dataset, batch_size=batch_size, shuffle=False, num_workers=0,
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pin_memory=True)
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@ -87,7 +87,7 @@ class BaseUnsupervisedImageDataset(data.Dataset):
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hqs_conformed, hq_refs_conformed, hq_masks_conformed, hq_centers_conformed = [], [], [], []
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for hq, hq_ref, hq_mask, hq_center in zip(hqs_adjusted, hq_refs_adjusted, hq_masks_adjusted, hq_centers_adjusted):
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h, w = (h - h % hq_multiple), (w - w % hq_multiple)
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hq_centers_conformed.append(self.resize_point(hq_center, hq.shape[:1], (h, w)))
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hq_centers_conformed.append(self.resize_point(hq_center, hq.shape[:2], (h, w)))
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hqs_conformed.append(hq[:h, :w, :])
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hq_refs_conformed.append(hq_ref[:h, :w, :])
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hq_masks_conformed.append(hq_mask[:h, :w, :])
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@ -23,10 +23,11 @@ class ChunkWithReference:
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return img
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def __getitem__(self, item):
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tile = self.read_image_or_get_zero(self.tiles[item])
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if osp.exists(osp.join(self.path, "ref.jpg")):
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tile_id = int(osp.splitext(osp.basename(self.tiles[item]))[0])
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centers = torch.load(osp.join(self.path, "centers.pt"))
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ref = self.read_image_or_get_zero(osp.join(self.path, "ref.jpg"))
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tile = self.read_image_or_get_zero(self.tiles[item])
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tile_id = int(osp.splitext(osp.basename(self.tiles[item]))[0])
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if tile_id in centers.keys():
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center, tile_width = centers[tile_id]
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elif self.strict:
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@ -36,6 +37,10 @@ class ChunkWithReference:
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tile_width = 256
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mask = np.full(tile.shape[:2] + (1,), fill_value=.1, dtype=tile.dtype)
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mask[center[0] - tile_width // 2:center[0] + tile_width // 2, center[1] - tile_width // 2:center[1] + tile_width // 2] = 1
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else:
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ref = np.zeros_like(tile)
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mask = np.zeros(tile.shape[:2] + (1,))
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center = (0,0)
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return tile, ref, center, mask, self.tiles[item]
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@ -39,7 +39,7 @@ class PairedFrameDataset(BaseUnsupervisedImageDataset):
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hq_ref = torch.cat([hq_ref, hq_mask], dim=1)
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lq = torch.from_numpy(np.ascontiguousarray(np.transpose(np.stack(ls), (0, 3, 1, 2)))).float()
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lq_ref = torch.from_numpy(np.ascontiguousarray(np.transpose(np.stack(lrs), (0, 3, 1, 2)))).float()
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lq_mask = torch.from_numpy(np.ascontiguousarray(np.stack(lms))).unsqueeze(dim=1)
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lq_mask = torch.from_numpy(np.ascontiguousarray(np.stack(lms))).squeeze().unsqueeze(dim=1)
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lq_ref = torch.cat([lq_ref, lq_mask], dim=1)
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return {'GT_path': path, 'LQ': lq, 'GT': hq, 'gt_fullsize_ref': hq_ref, 'lq_fullsize_ref': lq_ref,
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@ -49,9 +49,9 @@ class PairedFrameDataset(BaseUnsupervisedImageDataset):
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if __name__ == '__main__':
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opt = {
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'name': 'amalgam',
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'paths': ['F:\\4k6k\\datasets\\ns_images\\vr\\paired_images'],
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'paths': ['F:\\4k6k\\datasets\\ns_images\\vr\\validation'],
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'weights': [1],
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'target_size': 128,
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#'target_size': 128,
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'force_multiple': 32,
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'scale': 2,
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'eval': False,
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@ -72,7 +72,7 @@ if __name__ == '__main__':
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element = ds[random.randint(0,len(ds))]
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base_file = osp.basename(element["GT_path"])
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o = element[k].unsqueeze(0)
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if bs < 32:
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if bs < 2:
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if batch is None:
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batch = o
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else:
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@ -1,6 +1,7 @@
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import torch
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from torch.cuda.amp import autocast
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from models.flownet2.networks.resample2d_package.resample2d import Resample2d
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from models.flownet2.utils.flow_utils import flow2img
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from models.steps.injectors import Injector
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@ -8,6 +9,8 @@ def create_stereoscopic_injector(opt, env):
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type = opt['type']
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if type == 'stereoscopic_resample':
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return ResampleInjector(opt, env)
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elif type == 'stereoscopic_flow2image':
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return Flow2Image(opt, env)
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return None
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@ -20,3 +23,25 @@ class ResampleInjector(Injector):
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def forward(self, state):
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with autocast(enabled=False):
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return {self.output: self.resample(state[self.input], state[self.flow])}
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# Converts a flowfield to an image representation for viewing purposes.
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# Uses flownet's implementation to do so. Which really sucks. TODO: just do my own implementation in the future.
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# Note: this is not differentiable and is only usable for debugging purposes.
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class Flow2Image(Injector):
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def __init__(self, opt, env):
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super(Flow2Image, self).__init__(opt, env)
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def forward(self, state):
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with torch.no_grad():
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flo = state[self.input].cpu()
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bs, c, h, w = flo.shape
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flo = flo.permute(0, 2, 3, 1) # flow2img works in numpy space for some reason..
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imgs = torch.empty_like(flo)
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flo = flo.numpy()
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for b in range(bs):
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img = flow2img(flo[b]) # Note that this returns the image in an integer format.
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img = torch.tensor(img, dtype=torch.float) / 255
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imgs[b] = img
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imgs = imgs.permute(0, 3, 1, 2)
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return {self.output: imgs}
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@ -29,6 +29,8 @@ class Trainer:
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def init(self, opt, launcher, all_networks={}):
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self._profile = False
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self.val_compute_psnr = opt['eval']['compute_psnr'] if 'compute_psnr' in opt['eval'] else True
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self.val_compute_fea = opt['eval']['compute_fea'] if 'compute_fea' in opt['eval'] else True
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#### distributed training settings
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if len(opt['gpu_ids']) == 1 and torch.cuda.device_count() > 1:
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@ -214,8 +216,8 @@ class Trainer:
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val_tqdm = tqdm(self.val_loader)
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for val_data in val_tqdm:
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idx += 1
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for b in range(len(val_data['LQ_path'])):
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img_name = os.path.splitext(os.path.basename(val_data['LQ_path'][b]))[0]
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for b in range(len(val_data['GT_path'])):
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img_name = os.path.splitext(os.path.basename(val_data['GT_path'][b]))[0]
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img_dir = os.path.join(opt['path']['val_images'], img_name)
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util.mkdir(img_dir)
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@ -226,13 +228,15 @@ class Trainer:
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if visuals is None:
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continue
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# calculate PSNR
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sr_img = util.tensor2img(visuals['rlt'][b]) # uint8
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# calculate PSNR
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if self.val_compute_psnr:
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gt_img = util.tensor2img(visuals['GT'][b]) # uint8
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sr_img, gt_img = util.crop_border([sr_img, gt_img], opt['scale'])
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avg_psnr += util.calculate_psnr(sr_img, gt_img)
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# calculate fea loss
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if self.val_compute_fea:
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avg_fea_loss += self.model.compute_fea_loss(visuals['rlt'][b], visuals['GT'][b])
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# Save SR images for reference
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@ -278,7 +282,7 @@ class Trainer:
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if __name__ == '__main__':
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parser = argparse.ArgumentParser()
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parser.add_argument('-opt', type=str, help='Path to option YAML file.', default='../options/train_3dflow_vr_flownet.yml')
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parser.add_argument('-opt', type=str, help='Path to option YAML file.', default='../options/train_prog_imgset_multifaceted_chained.yml')
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parser.add_argument('--launcher', choices=['none', 'pytorch'], default='none', help='job launcher')
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args = parser.parse_args()
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opt = option.parse(args.opt, is_train=True)
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