Registation of two vascular images using Python Simple ITK

Beginner Questions
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1

Hi,

I would like to register two vascular images of the same modality but with different dynamics. I played a lot with the image registration metrics (correlation, mutual information and correlation) with optimizer gradient descent, yet didn’t succeed. Here is an example (I uploaded the fixed and moving images):

image
image1957×607 213 KB

Is there a better solution suited for such images?
Note that those images are actually different frames of a cine acquisition.

fixed.nii (259.6 KB)

moving.nii (259.6 KB)

Thanks!

Anatole

2

Hello,

There are a lot of details missing about the registration components you choose to use for this registration.

You may find the turn-key solutions available in Elastix easier to use. The just announce SimpleITK 3.0.0 beta 1 experimental includes the SimpleElastix interface as part of it’s binary distributions. You can find the original documentation for this interface here: Hello World — SimpleElastix 0.1 documentation and some updated emerging documentation here: SimpleElastix Registration — SimpleITK 2.4.0 documentation

You can find other interfaces to Elastix along with additional information here: https://elastix.dev