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sniklaus / softmax-splatting

an implementation of softmax splatting for differentiable forward warping using PyTorch
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where bilinear equation come from #57

Closed hitbuyi closed 2 years ago

hitbuyi commented 2 years ago

Hi, I am having a trouble in understanding bilinear interpolation in your paper

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where is this equation come from? is there any materials(paper,book, tutorials as reference), thanks a lot

sniklaus commented 2 years ago

From the top of my head, I can only think of "Spatial Transformer Networks" which uses image as well. My apologies for not having a better reference.