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@JoostJM JoostJM released this 16 May 12:45
· 168 commits to master since this release
2.2.0
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JoostJM Joost van Griethuysen
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In this release, the main interface class, RadiomicsFeaturesExtractor, was renamed to RadiomicsFeatureExtractor (no 's' between 'Feature' and 'Extractor'). This was done to avoid confusion between the module and class name. (#481)

New Features

  • Add 2D shape features (#442)
  • Expose voxel-based feature extraction on the PyRadiomics command line interface. (#457)

Labs

  • Add notebook investigating reproducibility between PyRadiomics and USF tool (ITK-based; #458)

Bug Fixes

  • Flatten array when applying gray value discretization of the entire image (voxel-based, full kernel; f87abcf)
  • Fix incorrect removal of 'empty gray levels' in GLDM and GLRLM (voxel-based; 4b18ce2)
  • Fix incorrect instantiation of firstorder voxel-based extraction. (81e713a)
  • Force cast coefficients to float. Prevents overflow and type errors in feature calculation. (e9d60c7)

Tests

  • Removed support and continuous integration for Python 3.4 (not maintained since March 2019). Added support and CI for Python 3.7. (#486)

Internal API

  • Update C-extensions:

    • Rewrite C code to work with N-Dimensional input. (#463)
    • Add batch-calculation of kernels and vectorized feature calculation to improve voxel-based extraction duration. (#466)

  • Add support for segmentation objects (multi-layer labelmaps; #445)

  • Refactor the commandline interface (#481)

    • Extractor instantiated once (resulting in only 1 validation of the parameter file, outside of paralellization loop)
    • Simplify construction of the python generator of the cases that are to be extracted
    • Remove now unnecessary functions

Documentation

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