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Perform registration on two pairs simultaneously

See original GitHub issue

Issue Description

Is your feature request related to a problem? Please describe. I was wondering if it was possible to perform registration on two pairs of images simultaneously. For example, in ants, I used both the whole image and vascular features to perform a robust registration:

antsRegistration -d 3 -n Linear  \
        -t SyN[0.1,3,0] -c [30x15x1x0,1e-7,10] -f 8x4x2x1 -s 2x1x1x1 -u 1 -z 1 -l 1 \
        -m CC[T1_f.nii, T1_m.nii , 0.9, 32, Regular, 0.25] \
        -m CC[T1_f_veins.nii,   T1_m_veins.nii ,  0.1, 32, Regular, 0.25] \
        -o [T1f_2_T1m, T1f_2_T1m.nii ]

Describe the solution you’d like I would like to translate this to its equivalent in ANTsPy, but it seems to be limited to presets. I saw that in ANTsR there is something equivalent to what I aim to achieve:

multivariateExtras | list of additional images and metrics which will trigger the use of multiple metrics in the registration process in the deformable stage. Multivariate metrics needs 5 entries: name of metric, fixed, moving, weight, samplingParam. the list should be of the form list( list( “nameOfMetric2”, img, img, weight, metricParam ) ) . Another example would be list( list( “MeanSquares”, f2, m2, 0.5, 0 ), list( “CC”, f2, m2, 0.5, 2 ) ) . This is only compatible with the SyNOnly or ElasticOnly transformation.

However this argument does not seem to be present in ANTsPy (and I am having a hard time figuring out how to make it works).

On a side note, It would be great to include more complex examples of the different functions in ANTsPy.

Issue Analytics

  • State:closed
  • Created 2 years ago
  • Comments:5 (3 by maintainers)

github_iconTop GitHub Comments

stnavacommented, Feb 19, 2021

ANTsX is open source and you can implement such things yourself if you think it is worth your time.

Read more comments on GitHub >

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