Comments (1)
Absolutely, tform
can be any function or function-like object that accepts StaticArrays.SVector
as input and also outputs an SVector
.
The default range inference does not apply to generic function, so in this case you have to specify indices
as well.
A quick example:
using ImageTransformations, ImageCore, ImageShow, TestImages
using StaticArrays
function shrink_to(R0)
function _shrink(I)
I_first, I_last = first(R0).I, last(R0).I
ntuple(ndims(R0)) do n
i, from, to = I[n], I_first[n], I_last[n]
clamp(i, from, to)
end |> SVector
end
end
img = testimage("cameraman")
imgs = warp(img, shrink_to(CartesianIndices((64:448, 64:448))), axes(img))
mosaic(img, imgs; nrow=1)
which gives
I just came up with this very "meaningless" demo, if you have a better showcase, please share it here, or add a demo card to https://juliaimages.org/dev/examples/
from imagetransformations.jl.
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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from imagetransformations.jl.