Comments (5)
Interesting. Intuitively I'd guess this is because of interpolations. I'll take a look some i find some time
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Great, thanks! Let me know if I can help.
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Yes this is definitely due to Interpolations. I created an issue there.
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Thanks for looking into it. Will close this issue here then if it is upstream
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Upstream views this as correct behavior and suggests that we special-case downstream code. @Evizero and @timholy what do you think is the best way forward? We could special case IdentityTransformation
s and Translation
s with all-integer coordinate shifts so that they don't interpolate at all. That doesn't seem ideal because existing code probably expects to get an interpolation object back, and it also doesn't cover all of the possible cases where NaN
values can spread to grid points (just the most annoying cases imo).
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Related Issues (20)
- Does ForwardDiff work with ImageTransformations? HOT 3
- demo: grid stretching and elastic transformation
- add swirl function HOT 1
- Images getting generated differently HOT 4
- No stable version document is deployed HOT 6
- Add `Projective` transformation HOT 2
- Demos using CoordinateTransformations and Rotations
- Repeated warping HOT 6
- `imrotate(img, pi/2)` changes size of image HOT 3
- Clarification of rotations HOT 7
- Rotation operation is inaccurate HOT 2
- Custom image transformation? HOT 4
- imresize without interpolation for integer upscaling
- imflip function
- The reference frame associated to an image is not the best one to perform a shear transformation HOT 6
- Support for autodiff in warping?
- Support v0.15 of Interpolations.jl HOT 1
- Warp seems to be off HOT 1
- Add docs for imresize!
- Cropping after warp HOT 2
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