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torch.nn.functional.pixel_shuffle#

torch.nn.functional.pixel_shuffle(input, upscale_factor) Tensor#

Rearranges elements in a tensor of shape (,C×r2,H,W)(*, C \times r^2, H, W) to a tensor of shape (,C,H×r,W×r)(*, C, H \times r, W \times r), where r is the upscale_factor.

See PixelShuffle for details.

Parameters
  • input (Tensor) – the input tensor

  • upscale_factor (int) – factor to increase spatial resolution by

Examples:

>>> input = torch.randn(1, 9, 4, 4)
>>> output = torch.nn.functional.pixel_shuffle(input, 3)
>>> print(output.size())
torch.Size([1, 1, 12, 12])