Sparse mixture of von Mises-Fisher distribution.
Florian BarbaroFabrice RossiPublished in: ESANN (2021)
Keyphrases
- von mises fisher
- unit sphere
- mixture model
- multi variate
- noise model
- unsupervised classification
- em algorithm
- spherical harmonics
- gaussian mixture model
- expectation maximization
- probabilistic model
- gaussian distribution
- sparse representation
- image processing
- generative model
- multivariate data
- language model
- high dimensional