sucess, frame = cap.read() frame_path = os.path.join(target_frames_path, '%08d.jpg' % frame_count) cv2.imwrite(frame_path, frame) if (frame_count % 50 == 0): print("%dth frame has been processed" % frame_count) frame_count += 1 except Exception as e: print("video has been prcessed to frames") cap.release() print("start load models") # load models detector = MTCNN() device = torch.device('cuda') G = AEI_Net(c_id=512) G.eval() G.load_state_dict( torch.load('./saved_models/G_latest.pth', map_location=torch.device('cpu'))) G = G.cuda() arcface = Backbone(50, 0.6, 'ir_se').to(device) arcface.eval() arcface.load_state_dict(torch.load('./face_modules/model_ir_se50.pth', map_location=device), strict=False) test_transform = transforms.Compose([ transforms.ToTensor(), transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5)) ])
def serve(): data = {"success": False} detector = MTCNN() device = torch.device('cuda') G = AEI_Net(c_id=512) G.eval() G.load_state_dict( torch.load('./saved_models/G_latest.pth', map_location=torch.device('cpu'))) G = G.cuda() arcface = Backbone(50, 0.6, 'ir_se').to(device) arcface.eval() arcface.load_state_dict(torch.load('./face_modules/model_ir_se50.pth', map_location=device), strict=False) test_transform = transforms.Compose([ transforms.ToTensor(), transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5)) ]) if flask.request.method == 'POST': st = time.time() metadata = flask.request.form source_image = metadata['source_image'] target_image = metadata['target_image'] source_image = base64.b64decode(source_image.encode('utf-8')) Xs_raw = cv2.imdecode(np.frombuffer(source_image, np.uint8), cv2.IMREAD_COLOR) target_image = base64.b64decode(target_image.encode('utf-8')) Xt_raw = cv2.imdecode(np.frombuffer(target_image, np.uint8), cv2.IMREAD_COLOR) Xs = detector.align(Image.fromarray(Xs_raw[:, :, ::-1]), crop_size=(256, 256)) Xs_raw = np.array(Xs)[:, :, ::-1] Xs = test_transform(Xs) Xs = Xs.unsqueeze(0).cuda() with torch.no_grad(): embeds = arcface( F.interpolate(Xs[:, :, 19:237, 19:237], (112, 112), mode='bilinear', align_corners=True)) Xt, trans_inv = detector.align(Image.fromarray(Xt_raw[:, :, ::-1]), crop_size=(256, 256), return_trans_inv=True) Xt_raw = Xt_raw.astype(np.float) / 255.0 Xt = test_transform(Xt) Xt = Xt.unsqueeze(0).cuda() mask = np.zeros([256, 256], dtype=np.float) for i in range(256): for j in range(256): dist = np.sqrt((i - 128)**2 + (j - 128)**2) / 128 dist = np.minimum(dist, 1) mask[i, j] = 1 - dist mask = cv2.dilate(mask, None, iterations=20) with torch.no_grad(): Yt, _ = G(Xt, embeds) Yt = Yt.squeeze().detach().cpu().numpy().transpose([1, 2, 0 ]) * 0.5 + 0.5 Yt = Yt[:, :, ::-1] Yt_trans_inv = cv2.warpAffine( Yt, trans_inv, (np.size(Xt_raw, 1), np.size(Xt_raw, 0)), borderValue=(0, 0, 0)) mask_ = cv2.warpAffine(mask, trans_inv, (np.size(Xt_raw, 1), np.size(Xt_raw, 0)), borderValue=(0, 0, 0)) mask_ = np.expand_dims(mask_, 2) Yt_trans_inv = mask_ * Yt_trans_inv + (1 - mask_) * Xt_raw img_data = Yt_trans_inv * 255 retval, buffer = cv2.imencode('.jpg', img_data) pic_str = base64.b64encode(buffer) pic_str = pic_str.decode() data['success'] = True data['image'] = pic_str st = time.time() - st print(f'process time: {st} sec') return flask.jsonify(data)