Perturbed Topological Signature

Matlab and Python code to compute perturbed topological signatures (PTS), an efficient topological representation computed from a persistence diagram that lies on the Grassmann manifold. If you use this code, please consider citing the following paper:

Som, A., Thopalli, K., Ramamurthy, K.N., Venkataraman, V., Shukla, A. and Turaga, P., Perturbation Robust Representations of Topological Persistence Diagrams. arXiv preprint arXiv:1807.10400., 2018.

Bibtex:

@inproceedings{som2018perturbation,
  title={Perturbation Robust Representations of Topological Persistence Diagrams},
  author={Som, Anirudh and Thopalli, Kowshik and Natesan Ramamurthy, Karthikeyan and Venkataraman, Vinay and Shukla, Ankita and Turaga, Pavan},
  booktitle={Proceedings of the European Conference on Computer Vision (ECCV)},
  pages={617--635},
  year={2018}
}

Links to paper and supplementary:

Paper | Supplementary | Poster