Weighted sparse coding regularized nonconvex matrix regression for robust face recognition.
Hengmin ZhangJian YangJianchun XieJianjun QianBob ZhangPublished in: Inf. Sci. (2017)
Keyphrases
- robust face recognition
- sparse coding
- dictionary learning
- sparse representation
- natural images
- linear combination
- image classification
- norm minimization
- unsupervised learning
- subspace learning
- generative model
- image patches
- feature space
- high dimensional
- image representation
- least squares
- convex optimization
- feature analysis
- visual words
- low rank
- multiscale
- singular value decomposition
- support vector
- model selection
- feature vectors
- object recognition
- bag of words
- dimensionality reduction
- pairwise
- gabor features
- face recognition algorithms
- decision trees
- low rank and sparse