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WIP/ENH add t1w/logb0 metric#202

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36000 wants to merge 3 commits into
tractometry:mainfrom
36000:t1w_over_logb0
Open

WIP/ENH add t1w/logb0 metric#202
36000 wants to merge 3 commits into
tractometry:mainfrom
36000:t1w_over_logb0

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@36000 36000 commented Jul 9, 2026

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Copilot AI review requested due to automatic review settings July 9, 2026 20:23

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Pull request overview

This PR adds a new derived scalar in AFQ.tasks.data to compute a T1w-over-log(b0) image intended as an R1 proxy, and wires it into the default data task plan so it can be produced as part of standard runs.

Changes:

  • Added a new t1w_over_log_b0 calculation task that computes T1w / log(mean b0) after resampling T1w into b0 space.
  • Registered the new task in get_data_plan so it runs alongside existing scalar generation (e.g., t1w_over_b0).

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Comment thread AFQ/tasks/data.py Outdated
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