(window_size, channel)
| 26 | return gauss / gauss.sum() |
| 27 | |
| 28 | def create_window(window_size, channel): |
| 29 | _1D_window = gaussian(window_size, 1.5).unsqueeze(1) |
| 30 | _2D_window = _1D_window.mm(_1D_window.t()).float().unsqueeze(0).unsqueeze(0) |
| 31 | window = Variable(_2D_window.expand(channel, 1, window_size, window_size).contiguous()) |
| 32 | return window |
| 33 | |
| 34 | def ssim(img1, img2, window_size=11, size_average=True): |
| 35 | channel = img1.size(-3) |