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Research paperEfficiency & Inference · Computer Vision1 source · Oct 7, 2026

GPU-Accelerated Computation of Persistent Homology for Topological Analysis of Image Data

This paper introduces TopoGPU, a GPU streaming pipeline that computes persistence diagrams of cubical complexes induced by 2D and 3D images.

Key points

  • In recent years, persistent homology has seen rapid adoption in deep learning, yet its computation remains a major bottleneck in network training.
  • TopoGPU introduces a stratification-aware discrete Morse matching that provably preserves persistent homology under streaming, together with a parallel topological sorting algorithm and a parallel V-path parity algorithm for deriving Morse boundaries on the GPU.
  • TopoGPU outperforms Cubical Ripser, a state-of-the-art method for persistent homology computation, on every benchmark evaluated, achieving an average end-to-end speedup of 53.24x and a maximum of 198.01x.
  • We further integrate TopoGPU into a topology-preserving deep network, demonstrating that it substantially reduces the cost of persistent homology computation during network training.

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