Elastic Image Warping

image warping using SRVF framework

moduleauthor:: J. Derek Tucker <jdtuck@sandia.gov>

image.reparam_image(It, Im, gam=None, b=None, stepsize=0.0001, itermax=20)

This function warps an image to another using SRVF framework

Parameters:

• Im – numpy ndarray of shape (N,N) representing a NxN image

• Im – numpy ndarray of shape (N,N) representing a NxN image

• gam – numpy ndarray of shape (N,N) representing an initial warping function

• b – numpy ndarray representing basis matrix

Return type:

numpy ndarray

Return gamnew:

diffeomorphism

Return Inew:

warped image

Return H:

energy

Return stepsize:

final stepsize