Diffusion MRI Orientation Distribution Function in Constant Solid Angle (CSA-ODF) and Hough-Transform Tractography

This is a diffusion-weighted MRI processing Matlab toolbox (including binaries), which can be used to:
• Compute the Q-Ball Imaging Orientation Distribution Function in Constant Solid Angle (CSA-ODF) (Aganj et al, MRM 2010).
• Perform Hough-transform tractography (Aganj et al, MedIA 2011).
• Visualize ODFs and tracts, and export them for further analysis.
• Verify the correctness of the diffusion gradient table (Aganj, Sci Rep 2018).
• Compute and interactively visualize the connectivity matrix.
• Augment the connectivity matrix with indirect connections (Aganj et al, ISMRM 2014).

For short tutorials, see EXAMPLE.m and EXAMPLE_CLI.m. If available, GPUs can be used for speed-up.

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Diffusion ODF reconstruction