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sitk-registration-sys/README.md
2025-03-01 19:40:37 +01:00

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# sitk-registration-sys
This crate does two things:
- find an affine transform or translation that transforms one image into the other
- use bpline or nearest neighbor interpolation to apply a transformation to an image
To do this [SimpleITK](https://github.com/SimpleITK/SimpleITK.git), which is written in
C++, is used. An adapter library is created to expose the required functionality in SimpleITK
in a shared library. Because of this, compilation of this crate requires quite some time, as
wel as cmake.
## Examples
### Registration
```
let image_a = (some Array2);
let iameg_b = (some transformed Array2);
let transform = Transform::register_affine(image_a.view(), image_b.view())?;
println!("transform: {:#?}", transform);
```
### Interpolation
```
let image = (Some Array2);
let shape = image.shape();
let origin = [
((shape[1] - 1) as f64) / 2f64,
((shape[0] - 1) as f64) / 2f64,
];
let transform = Transform::new([1.2, 0., 0., 1., 10., 0.], origin, [shape[0], shape[1]]);
let transformed_image = transform.transform_image_bspline(image.view())?;
```