Create app.py

app.py

@@ -1,348 +1,7 @@
-import argparse
-import cv2
-import glob
-import numpy as np
 import gradio as gr
-from collections import OrderedDict
-import os
-import torch
-import requests
-from PIL import Image
-from models.network_swin2sr import Swin2SR as net
-from utils import util_calculate_psnr_ssim as util
 
+def greet(name):
+    return "Hello " + name + "!!"
 
-def setup_model(args):
-
-    model = define_model(args)
-    model.eval()
-    model = model.to(device)
-    
-    return model
-
-def main(img):
-
-    # setup folder and path
-    #basewidth = 256
-    #wpercent = (basewidth/float(img.size[0]))
-    #hsize = int((float(img.size[1])*float(wpercent)))
-    #img = img.resize((basewidth,hsize), Image.ANTIALIAS)
-    img.save("test/1.png", "PNG")
-    
-    folder, save_dir, border, window_size = setup(args)
-    os.makedirs(save_dir, exist_ok=True)
-    test_results = OrderedDict()
-    test_results['psnr'] = []
-    test_results['ssim'] = []
-    test_results['psnr_y'] = []
-    test_results['ssim_y'] = []
-    test_results['psnrb'] = []
-    test_results['psnrb_y'] = []
-    psnr, ssim, psnr_y, ssim_y, psnrb, psnrb_y = 0, 0, 0, 0, 0, 0
-
-    for idx, path in enumerate(sorted(glob.glob(os.path.join(folder, '*')))):
-        # read image
-        imgname, img_lq, img_gt = get_image_pair(args, path)  # image to HWC-BGR, float32
-        img_lq = np.transpose(img_lq if img_lq.shape[2] == 1 else img_lq[:, :, [2, 1, 0]], (2, 0, 1))  # HCW-BGR to CHW-RGB
-        img_lq = torch.from_numpy(img_lq).float().unsqueeze(0).to(device)  # CHW-RGB to NCHW-RGB
-
-        # inference
-        with torch.no_grad():
-            # pad input image to be a multiple of window_size
-            _, _, h_old, w_old = img_lq.size()
-            h_pad = (h_old // window_size + 1) * window_size - h_old
-            w_pad = (w_old // window_size + 1) * window_size - w_old
-            img_lq = torch.cat([img_lq, torch.flip(img_lq, [2])], 2)[:, :, :h_old + h_pad, :]
-            img_lq = torch.cat([img_lq, torch.flip(img_lq, [3])], 3)[:, :, :, :w_old + w_pad]
-            output = test(img_lq, model, args, window_size)
-            
-            if args.task == 'compressed_sr':
-                output = output[0][..., :h_old * args.scale, :w_old * args.scale]
-            else:
-                output = output[..., :h_old * args.scale, :w_old * args.scale]
-
-        # save image
-        output = output.data.squeeze().float().cpu().clamp_(0, 1).numpy()
-        if output.ndim == 3:
-            output = np.transpose(output[[2, 1, 0], :, :], (1, 2, 0))  # CHW-RGB to HCW-BGR
-        output = (output * 255.0).round().astype(np.uint8)  # float32 to uint8
-        cv2.imwrite(f'{save_dir}/{imgname}_Swin2SR.png', output)
-
-            
-        # evaluate psnr/ssim/psnr_b
-        if img_gt is not None:
-            img_gt = (img_gt * 255.0).round().astype(np.uint8)  # float32 to uint8
-            img_gt = img_gt[:h_old * args.scale, :w_old * args.scale, ...]  # crop gt
-            img_gt = np.squeeze(img_gt)
-
-            psnr = util.calculate_psnr(output, img_gt, crop_border=border)
-            ssim = util.calculate_ssim(output, img_gt, crop_border=border)
-            test_results['psnr'].append(psnr)
-            test_results['ssim'].append(ssim)
-            if img_gt.ndim == 3:  # RGB image
-                psnr_y = util.calculate_psnr(output, img_gt, crop_border=border, test_y_channel=True)
-                ssim_y = util.calculate_ssim(output, img_gt, crop_border=border, test_y_channel=True)
-                test_results['psnr_y'].append(psnr_y)
-                test_results['ssim_y'].append(ssim_y)
-            if args.task in ['jpeg_car', 'color_jpeg_car']:
-                psnrb = util.calculate_psnrb(output, img_gt, crop_border=border, test_y_channel=False)
-                test_results['psnrb'].append(psnrb)
-                if args.task in ['color_jpeg_car']:
-                    psnrb_y = util.calculate_psnrb(output, img_gt, crop_border=border, test_y_channel=True)
-                    test_results['psnrb_y'].append(psnrb_y)
-            print('Testing {:d} {:20s} - PSNR: {:.2f} dB; SSIM: {:.4f}; PSNRB: {:.2f} dB;'
-                  'PSNR_Y: {:.2f} dB; SSIM_Y: {:.4f}; PSNRB_Y: {:.2f} dB.'.
-                  format(idx, imgname, psnr, ssim, psnrb, psnr_y, ssim_y, psnrb_y))
-        else:
-            print('Testing {:d} {:20s}'.format(idx, imgname))
-
-    # summarize psnr/ssim
-    if img_gt is not None:
-        ave_psnr = sum(test_results['psnr']) / len(test_results['psnr'])
-        ave_ssim = sum(test_results['ssim']) / len(test_results['ssim'])
-        print('\n{} \n-- Average PSNR/SSIM(RGB): {:.2f} dB; {:.4f}'.format(save_dir, ave_psnr, ave_ssim))
-        if img_gt.ndim == 3:
-            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'])
-            print('-- Average PSNR_Y/SSIM_Y: {:.2f} dB; {:.4f}'.format(ave_psnr_y, ave_ssim_y))
-        if args.task in ['jpeg_car', 'color_jpeg_car']:
-            ave_psnrb = sum(test_results['psnrb']) / len(test_results['psnrb'])
-            print('-- Average PSNRB: {:.2f} dB'.format(ave_psnrb))
-            if args.task in ['color_jpeg_car']:
-                ave_psnrb_y = sum(test_results['psnrb_y']) / len(test_results['psnrb_y'])
-                print('-- Average PSNRB_Y: {:.2f} dB'.format(ave_psnrb_y))
-                
-    return f"results/swin2sr_{args.task}_x{args.scale}/1_Swin2SR.png"
-
-
-def define_model(args):
-    # 001 classical image sr
-    if args.task == 'classical_sr':
-        model = net(upscale=args.scale, in_chans=3, img_size=args.training_patch_size, window_size=8,
-                    img_range=1., depths=[6, 6, 6, 6, 6, 6], embed_dim=180, num_heads=[6, 6, 6, 6, 6, 6],
-                    mlp_ratio=2, upsampler='pixelshuffle', resi_connection='1conv')
-        param_key_g = 'params'
-
-    # 002 lightweight image sr
-    # use 'pixelshuffledirect' to save parameters
-    elif args.task in ['lightweight_sr']:
-        model = net(upscale=args.scale, in_chans=3, img_size=64, window_size=8,
-                    img_range=1., depths=[6, 6, 6, 6], embed_dim=60, num_heads=[6, 6, 6, 6],
-                    mlp_ratio=2, upsampler='pixelshuffledirect', resi_connection='1conv')
-        param_key_g = 'params'
-        
-    elif args.task == 'compressed_sr':
-        model = net(upscale=args.scale, in_chans=3, img_size=args.training_patch_size, window_size=8,
-                    img_range=1., depths=[6, 6, 6, 6, 6, 6], embed_dim=180, num_heads=[6, 6, 6, 6, 6, 6],
-                    mlp_ratio=2, upsampler='pixelshuffle_aux', resi_connection='1conv')
-        param_key_g = 'params'                
-
-    # 003 real-world image sr
-    elif args.task == 'real_sr':
-        if not args.large_model:
-            # use 'nearest+conv' to avoid block artifacts
-            model = net(upscale=args.scale, in_chans=3, img_size=64, window_size=8,
-                        img_range=1., depths=[6, 6, 6, 6, 6, 6], embed_dim=180, num_heads=[6, 6, 6, 6, 6, 6],
-                        mlp_ratio=2, upsampler='nearest+conv', resi_connection='1conv')
-        else:
-            # larger model size; use '3conv' to save parameters and memory; use ema for GAN training
-            model = net(upscale=args.scale, in_chans=3, img_size=64, window_size=8,
-                        img_range=1., depths=[6, 6, 6, 6, 6, 6, 6, 6, 6], embed_dim=240,
-                        num_heads=[8, 8, 8, 8, 8, 8, 8, 8, 8],
-                        mlp_ratio=2, upsampler='nearest+conv', resi_connection='3conv')
-        param_key_g = 'params_ema'
-
-    # 006 grayscale JPEG compression artifact reduction
-    # use window_size=7 because JPEG encoding uses 8x8; use img_range=255 because it's sligtly better than 1
-    elif args.task == 'jpeg_car':
-        model = net(upscale=1, in_chans=1, img_size=126, window_size=7,
-                    img_range=255., depths=[6, 6, 6, 6, 6, 6], embed_dim=180, num_heads=[6, 6, 6, 6, 6, 6],
-                    mlp_ratio=2, upsampler='', resi_connection='1conv')
-        param_key_g = 'params'
-
-    # 006 color JPEG compression artifact reduction
-    # use window_size=7 because JPEG encoding uses 8x8; use img_range=255 because it's sligtly better than 1
-    elif args.task == 'color_jpeg_car':
-        model = net(upscale=1, in_chans=3, img_size=126, window_size=7,
-                    img_range=255., depths=[6, 6, 6, 6, 6, 6], embed_dim=180, num_heads=[6, 6, 6, 6, 6, 6],
-                    mlp_ratio=2, upsampler='', resi_connection='1conv')
-        param_key_g = 'params'
-
-    pretrained_model = torch.load(args.model_path)
-    model.load_state_dict(pretrained_model[param_key_g] if param_key_g in pretrained_model.keys() else pretrained_model, strict=True)
-
-    return model
-
-
-def setup(args):
-    # 001 classical image sr/ 002 lightweight image sr
-    if args.task in ['classical_sr', 'lightweight_sr', 'compressed_sr']:
-        save_dir = f'results/swin2sr_{args.task}_x{args.scale}'
-        if args.save_img_only:
-            folder = args.folder_lq
-        else:
-            folder = args.folder_gt
-        border = args.scale
-        window_size = 8
-
-    # 003 real-world image sr
-    elif args.task in ['real_sr']:
-        save_dir = f'results/swin2sr_{args.task}_x{args.scale}'
-        if args.large_model:
-            save_dir += '_large'
-        folder = args.folder_lq
-        border = 0
-        window_size = 8
-
-    # 006 JPEG compression artifact reduction
-    elif args.task in ['jpeg_car', 'color_jpeg_car']:
-        save_dir = f'results/swin2sr_{args.task}_jpeg{args.jpeg}'
-        folder = args.folder_gt
-        border = 0
-        window_size = 7
-
-    return folder, save_dir, border, window_size
-
-
-def get_image_pair(args, path):
-    (imgname, imgext) = os.path.splitext(os.path.basename(path))
-
-    # 001 classical image sr/ 002 lightweight image sr (load lq-gt image pairs)
-    if args.task in ['classical_sr', 'lightweight_sr']:
-        if args.save_img_only:
-            img_gt = None
-            img_lq = cv2.imread(path, cv2.IMREAD_COLOR).astype(np.float32) / 255.            
-        else:
-            img_gt = cv2.imread(path, cv2.IMREAD_COLOR).astype(np.float32) / 255.
-            img_lq = cv2.imread(f'{args.folder_lq}/{imgname}x{args.scale}{imgext}', cv2.IMREAD_COLOR).astype(
-                np.float32) / 255.            
-        
-    elif args.task in ['compressed_sr']:
-        if args.save_img_only:
-            img_gt = None
-            img_lq = cv2.imread(path, cv2.IMREAD_COLOR).astype(np.float32) / 255.            
-        else:
-            img_gt = cv2.imread(path, cv2.IMREAD_COLOR).astype(np.float32) / 255.
-            img_lq = cv2.imread(f'{args.folder_lq}/{imgname}.jpg', cv2.IMREAD_COLOR).astype(
-                np.float32) / 255.        
-
-    # 003 real-world image sr (load lq image only)
-    elif args.task in ['real_sr', 'lightweight_sr_infer']:
-        img_gt = None
-        img_lq = cv2.imread(path, cv2.IMREAD_COLOR).astype(np.float32) / 255.
-
-    # 006 grayscale JPEG compression artifact reduction (load gt image and generate lq image on-the-fly)
-    elif args.task in ['jpeg_car']:
-        img_gt = cv2.imread(path, cv2.IMREAD_UNCHANGED)
-        if img_gt.ndim != 2:
-            img_gt = util.bgr2ycbcr(img_gt, y_only=True)
-        result, encimg = cv2.imencode('.jpg', img_gt, [int(cv2.IMWRITE_JPEG_QUALITY), args.jpeg])
-        img_lq = cv2.imdecode(encimg, 0)
-        img_gt = np.expand_dims(img_gt, axis=2).astype(np.float32) / 255.
-        img_lq = np.expand_dims(img_lq, axis=2).astype(np.float32) / 255.
-
-    # 006 JPEG compression artifact reduction (load gt image and generate lq image on-the-fly)
-    elif args.task in ['color_jpeg_car']:
-        img_gt = cv2.imread(path)
-        result, encimg = cv2.imencode('.jpg', img_gt, [int(cv2.IMWRITE_JPEG_QUALITY), args.jpeg])
-        img_lq = cv2.imdecode(encimg, 1)
-        img_gt = img_gt.astype(np.float32)/ 255.
-        img_lq = img_lq.astype(np.float32)/ 255.
-
-    return imgname, img_lq, img_gt
-
-
-def test(img_lq, model, args, window_size):
-    if args.tile is None:
-        # test the image as a whole
-        output = model(img_lq)
-    else:
-        # test the image tile by tile
-        b, c, h, w = img_lq.size()
-        tile = min(args.tile, h, w)
-        assert tile % window_size == 0, "tile size should be a multiple of window_size"
-        tile_overlap = args.tile_overlap
-        sf = args.scale
-
-        stride = tile - tile_overlap
-        h_idx_list = list(range(0, h-tile, stride)) + [h-tile]
-        w_idx_list = list(range(0, w-tile, stride)) + [w-tile]
-        E = torch.zeros(b, c, h*sf, w*sf).type_as(img_lq)
-        W = torch.zeros_like(E)
-
-        for h_idx in h_idx_list:
-            for w_idx in w_idx_list:
-                in_patch = img_lq[..., h_idx:h_idx+tile, w_idx:w_idx+tile]
-                out_patch = model(in_patch)
-                out_patch_mask = torch.ones_like(out_patch)
-
-                E[..., h_idx*sf:(h_idx+tile)*sf, w_idx*sf:(w_idx+tile)*sf].add_(out_patch)
-                W[..., h_idx*sf:(h_idx+tile)*sf, w_idx*sf:(w_idx+tile)*sf].add_(out_patch_mask)
-        output = E.div_(W)
-
-    return output
-
-if __name__ == '__main__':
-    
-    parser = argparse.ArgumentParser()
-    parser.add_argument('--task', type=str, default='compressed_sr', help='classical_sr, lightweight_sr, real_sr, '
-                                                                     'gray_dn, color_dn, jpeg_car, color_jpeg_car')
-    parser.add_argument('--scale', type=int, default=4, help='scale factor: 1, 2, 3, 4, 8') # 1 for dn and jpeg car
-    parser.add_argument('--noise', type=int, default=15, help='noise level: 15, 25, 50')
-    parser.add_argument('--jpeg', type=int, default=10, help='scale factor: 10, 20, 30, 40')
-    parser.add_argument('--training_patch_size', type=int, default=48, help='patch size used in training Swin2SR. '
-                                       'Just used to differentiate two different settings in Table 2 of the paper. '
-                                       'Images are NOT tested patch by patch.')
-    parser.add_argument('--large_model', action='store_true', help='use large model, only provided for real image sr')
-    parser.add_argument('--model_path', type=str,
-                        default='experiments/pretrained_models/Swin2SR_CompressedSR_X4_48.pth')
-    parser.add_argument('--folder_lq', type=str, default="test", help='input low-quality test image folder')
-    parser.add_argument('--folder_gt', type=str, default=None, help='input ground-truth test image folder')
-    parser.add_argument('--tile', type=int, default=None, help='Tile size, None for no tile during testing (testing as a whole)')
-    parser.add_argument('--tile_overlap', type=int, default=32, help='Overlapping of different tiles')
-    parser.add_argument('--save_img_only', default=True, action='store_true', help='save image and do not evaluate')
-    args = parser.parse_args()
-
-    device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
-    # set up model
-    if os.path.exists(args.model_path):
-        print(f'loading model from {args.model_path}')        
-    else:
-        os.makedirs(os.path.dirname(args.model_path), exist_ok=True)
-        url = 'https://github.com/mv-lab/swin2sr/releases/download/v0.0.1/{}'.format(os.path.basename(args.model_path))
-        r = requests.get(url, allow_redirects=True)
-        print(f'downloading model {args.model_path}')
-        open(args.model_path, 'wb').write(r.content)
-    
-    model = setup_model(args)
-    
-    os.makedirs("test", exist_ok=True)
-    
-    #main(img)
-    
-    title = "Super-Resolution Demo Swin2SR Official 🚀🚀🔥"
-    description = ''' 
-<br>
-
-**This Demo expects low-quality and low-resolution JPEG compressed images, in the near future we will support any kind of input**
-
-**We are looking for collaborators! Collaborator를 찾고 있습니다!** 🇬🇧 🇪🇸 🇰🇷 🇫🇷 🇷🇴 🇩🇪 🇨🇳
-
-**Please check our github project: https://github.com/mv-lab/swin2sr and feel free to contact us**
-
-**Demos also available at [google colab](https://colab.research.google.com/drive/1paPrt62ydwLv2U2eZqfcFsePI4X4WRR1?usp=sharing) and [Kaggle](https://www.kaggle.com/code/jesucristo/super-resolution-demo-swin2sr-official/)**
-</br>
-'''
-    article = "<p style='text-align: center'><a href='https://arxiv.org/abs/2209.11345' target='_blank'>Swin2SR: SwinV2 Transformer for Compressed Image Super-Resolution and Restoration</a> | <a href='https://github.com/mv-lab/swin2sr' target='_blank'>Github Repo</a></p>"
-
-    examples= glob.glob("testsets/real-inputs/*.jpg")
-    gr.Interface(
-        main, 
-        #gr.Image().style(full_width=True, height=60),
-        gr.inputs.Image(type="pil", label="Input").style(height=260),
-        gr.inputs.Image(type="pil", label="Ouput").style(height=240),
-        title=title,
-        description=description,
-        article=article,
-        examples=examples,
-        ).launch(enable_queue=True)
+iface = gr.Interface(fn=greet, inputs="text", outputs="text")
+iface.launch()