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pengsongyou avatar pengsongyou commented on May 29, 2024

I guess you misunderstand our code. We are indeed doing the trilinear interpolation based on the distance to the adjacent grid points, as you can see: https://github.com/autonomousvision/shape_as_points/blob/main/src/utils.py#L101-L110. It is not nearest neighbor.

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l1346792580123 avatar l1346792580123 commented on May 29, 2024

Sorry for the misunderstanding. I am not familiar with the interpolation method. Are there any other common interpolation methods except trilinear interpolation? I want to try out the effect of different interpolation methods on the results.

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pengsongyou avatar pengsongyou commented on May 29, 2024

You can check Wikipedia https://en.wikipedia.org/wiki/Interpolation

We only consider trilinear interpolation here.

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