SharpeningPhoto Result modified U-Net on 13 600 iteration training settings train data: 400 581 x 3 x 128 x 128 imgs val data: 17 808 x 3 x 128 x 128 imgs test data: 35 559 x 3 x 128 x 128 imgs batch_size: 224 optimizer: Adam, lr=0.001 loss: MSE Blurred Sharp