Steerable ePCA: Rotationally Invariant Exponential Family PCA.
Zhizhen ZhaoLydia T. LiuAmit SingerPublished in: IEEE Trans. Image Process. (2020)
Keyphrases
- exponential family
- rotationally invariant
- principal component analysis
- maximum likelihood
- closed form
- multiscale
- scale space
- log likelihood
- density estimation
- statistical models
- graphical models
- mixture model
- moment invariants
- missing values
- binary patterns
- face recognition
- order statistics
- dimensionality reduction
- variational methods
- feature space
- feature extraction
- hidden variables
- linear combination
- probability density function
- markov chain monte carlo
- k means
- high dimensional
- face images
- em algorithm
- nearest neighbor
- image representation
- bayesian networks
- expectation maximization