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pythonpytorchinterpolationimage-resizing
Jan Rüegg
Jan Rüegg

Reputation: 10075

torch.nn.functional.interpolate: difference between "linear" and "bilinear"?

In torch.nn.functional.interpolate what's the difference between the modes linear and bilinear?

To me, these are usually synonyms with regards to image resizing...

Upvotes: 3

Views: 4304

Answers (1)

bogovicj
bogovicj

Reputation: 363

Pytorch is explicitly differentiating between 1d interpolation (linear) and 2d interpolation (bilinear).

They differ in the the dimensionality of the input argument they are allowed to work on ( see here ). Specifically, linear works on 3D inputs and bilinear works on 4D inputs because the first two dimensions (mini-batch x channels) are understood not to be interpolated.

Upvotes: 4

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