How to calculate the average absolute displacement in the test-time performance evaluation?
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lqy845650069 commented
I want to know how to calculate the average absolute displacement with using pytorch affine_grid and grid_sample functions.
Thank you
evanmy commented
Hi,
Sorry for the late replay. The absolute displacement is calculated by taking the absolute difference of coordinates within the brain before and after applying the affine transformation. The affine_grid and grid_sample are used to transform the brain itself. You don't need them to calculate displacement of coordinates