Riemannian Analysis of Probability Density Functions with Applications in Vision

Abstract

Applications in computer vision involve statistically analyzing an important class of constrained, nonnegative functions, including probability density functions (in texture analysis), dynamic time-warping functions (in activity analysis), and re-parametrization or non-rigid registration functions (in shape analysis of curves). For this one needs to impose a Riemannian structure on the spaces formed by these functions. We propose a "spherical" version of the Fisher-Rao metric that provides closed-form expressions for geodesics and distances, and allows fast computation of sample statistics. To demonstrate this approach, we present an application in planar shape classification.

Cite

Text

Srivastava et al. "Riemannian Analysis of Probability Density Functions with Applications in Vision." IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2007. doi:10.1109/CVPR.2007.383188

Markdown

[Srivastava et al. "Riemannian Analysis of Probability Density Functions with Applications in Vision." IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2007.](https://mlanthology.org/cvpr/2007/srivastava2007cvpr-riemannian/) doi:10.1109/CVPR.2007.383188

BibTeX

@inproceedings{srivastava2007cvpr-riemannian,
  title     = {{Riemannian Analysis of Probability Density Functions with Applications in Vision}},
  author    = {Srivastava, Anuj and Jermyn, Ian and Joshi, Shantanu H.},
  booktitle = {IEEE/CVF Conference on Computer Vision and Pattern Recognition},
  year      = {2007},
  doi       = {10.1109/CVPR.2007.383188},
  url       = {https://mlanthology.org/cvpr/2007/srivastava2007cvpr-riemannian/}
}