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C-PAC Version 1.7.0 Beta
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@sgiavasis sgiavasis released this 23 Jul 21:48
v1.7.0
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Learn about vigilant mode.

New Features

  • New Command Line Interface. The cpac pip-installable package is now available. This CLI allows you to use C-PAC from the command line without interacting via container-based (Docker, Singularity) CLI commands.

  • Anatomical Longitudinal Pipeline. C-PAC can now explicitly handle longitudinal data. The dedicated anatomical pipeline generates robust participant-specific templates that improve the registration of longitudinal data and increase reliability.

    • [https://www.sciencedirect.com/science/article/pii/S1053811912002765?via%3Dihub]

  • Prior-Based Segmentation. DCAN Labs ANTS prior-based tissue segmentation is now available. This approach is thought to be advantageous in the segmentation of the non-human primate brain.

  • Physiological Noise Filtering for Motion Estimates. Adapted from DCAN Labs, C-PAC can now apply a notch filter to mitigate respiratory artifacts that may present issues in motion estimation.

  • Tissue Mask Ingress. In an increase of pipeline flexibility, C-PAC can now intake pre-existing anatomical tissue masks if desired, bypassing tissue segmentation. This is particularly important for researchers using manual or manually edited segmentations.

Improvements

  • Pipeline speed increase: Motion correction using AFNI 3dvolreg can now be completed faster by dedicating multiple CPUs to each participant. This can provide a major speed increase in data with many TRs, as motion correction is often one of the processing time bottlenecks in a pipeline.

  • C-PAC now writes out smoothed functional time series, when spatial smoothing is chosen (previously smoothing was only applied to derivatives).

Documentation Improvements

  • The C-PAC User Guide now features versioned access! You can now view the user guide for any current or previous supported version (1.5+) of C-PAC.

Error Fixes

  • A memory error triggered by aCompCor DetrendPC in nuisance regression has been resolved.

  • An error that sometimes prevented the pipeline from starting when censoring was enabled has been resolved.

  • An error that would prevent data configuration generation from finishing if hidden files were in the data directory
    has been resolved.

  • The "SameFileError" crash has been resolved. This error did not have any impact, but it would cause many crash files to be generated.

Coming Soon

  • Pipeline Dashboard
  • Surface-Based Processing
  • BIDS-Derivatives Compatibility

In addition, the C-PAC Docker and Singularity images, as well as the AWS AMI, have all been updated. These provide a quick way to get started.

And as always, you can contact us here for user support and discussion:
https://groups.google.com/forum/#!forum/cpax_forum

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