Multivariate Sparse Coding of Nonstationary Covariances with Gaussian Processes.
Rui LiPublished in: NeurIPS (2019)
Keyphrases
- sparse coding
- non stationary
- gaussian processes
- sparse representation
- gaussian process
- natural images
- image classification
- linear combination
- regression model
- unsupervised learning
- generative model
- image representation
- high dimensional
- random fields
- feature space
- covariance matrix
- image patches
- training set
- computer vision
- higher order
- supervised learning
- hyperparameters
- training data