itk_dreg.reduce_dfield.matrix_transform

Module Contents

Functions

itk_matrix_transform_to_matrix	Get a 4x4 affine matrix from an ITK matrix transform
to_itk_euler_transform	Convert from a NumPy affine matrix to itk.Euler3DTransform representation.
np_to_itk_matrix	Convert a 3x3 matrix from numpy to ITK format
estimate_euler_transform_consensus	Estimate a mean representation of a list of transform results
average_rotation	Compute average rotation by way of linear quaternion averaging
average_translation	Compute linear average of translation vectors

API

itk_dreg.reduce_dfield.matrix_transform.itk_matrix_transform_to_matrix(t: Union[itk.Euler3DTransform[itk.D], itk.AffineTransform[itk.D, 3]]) → numpy.typing.ArrayLike

Get a 4x4 affine matrix from an ITK matrix transform

itk_dreg.reduce_dfield.matrix_transform.to_itk_euler_transform(mat: numpy.typing.ArrayLike) → itk.Euler3DTransform[itk.D]

Convert from a NumPy affine matrix to itk.Euler3DTransform representation.

Parameters:

mat – The input 4x4 affine matrix

Returns:

The corresponding itk.Euler3DTransform.

itk_dreg.reduce_dfield.matrix_transform.np_to_itk_matrix(arr: numpy.typing.ArrayLike) → itk.Matrix[itk.D, 3, 3]

Convert a 3x3 matrix from numpy to ITK format

itk_dreg.reduce_dfield.matrix_transform.estimate_euler_transform_consensus(transforms: numpy.typing.ArrayLike) → numpy.typing.ArrayLike

Estimate a mean representation of a list of transform results

itk_dreg.reduce_dfield.matrix_transform.average_rotation(rotations: numpy.typing.ArrayLike) → numpy.typing.ArrayLike

Compute average rotation by way of linear quaternion averaging

itk_dreg.reduce_dfield.matrix_transform.average_translation(translations: numpy.typing.ArrayLike) → numpy.typing.ArrayLike

Compute linear average of translation vectors