[r/ML] [P] fastrad: GPU-native radiomics library — 25× faster than PyRadiomics, 100% IBSI-compliant, all 8 feature classes

Summary

fastrad is a new GPU-native radiomics library built on PyTorch, offering a 25x speedup over the CPU-only PyRadiomics, the current standard. It implements all 8 IBSI-compliant feature classes as native tensor operations, significantly accelerating radiomic feature extraction. This development addresses a critical bottleneck for large-scale medical image analysis.

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