This app will quickly check the dwi image to see if any bvecs directions needs to be flipped. The algorithm finds bvecs that are pointing toward certain direction and find the volume slice within 4D DWI data and see how many image slices indeed seems to contain features that are orthogonal to the bvecs directions. Inconclusive output from this App usually means you have some data quality issue with your dwi.
What is the brainlife/app-testflip GitHub project? Description: "This app will quickly check the dwi image to see if any bvecs directions needs to be flipped. The algorithm finds bvecs that are pointing toward certain direction and find the volume slice within 4D DWI data and see how many image slices indeed seems to contain features that are orthogonal to the bvecs directions. Inconclusive output from this App usually means you have some data quality issue with your dwi.". Written in Python. Explain what it does, its main use cases, key features, and who would benefit from using it.
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