Nonlinear spiked covariance matrices and signal propagation in deep neural networks.
Zhichao WangDenny WuZhou FanPublished in: COLT (2024)
Keyphrases
- covariance matrices
- neural network
- covariance matrix
- maximum likelihood
- vector space
- gaussian distribution
- pattern recognition
- gaussian mixture model
- distance measure
- valued data
- feature vectors
- linear classifiers
- multivariate normal
- riemannian metric
- nearest neighbor
- riemannian manifolds
- gaussian mixture
- computer vision