-GMM and weight kernel sparse representation.
Yuanbin WangHuaying WuYujing WangWeifeng WangYu DuanYaru GuoPublished in: Digit. Signal Process. (2023)
Keyphrases
- sparse representation
- regularized least squares
- gaussian mixture model
- dictionary learning
- sparse coding
- face recognition
- image classification
- compressive sensing
- compressed sensing
- dimensionality reduction
- random projections
- negative matrix factorization
- kernel function
- joint optimization
- kernel methods
- high dimensional data
- test images
- signal processing
- feature space
- image patches
- support vector
- sparse coefficients
- sparse approximations
- image representation
- gaussian mixture
- multiple kernel learning
- multiscale
- image segmentation
- machine learning
- gaussian processes
- mixture model
- feature vectors
- sparse reconstruction