Discriminative multi-scale sparse coding for single-sample face recognition with occlusion.
Yu-Feng YuDao-Qing DaiChuan-Xian RenKe-Kun HuangPublished in: Pattern Recognit. (2017)
Keyphrases
- sparse coding
- sparse representation
- sparse representation based classification
- sparse codes
- face recognition
- natural images
- multiscale
- discriminative power
- dictionary learning
- image representation
- object category recognition
- unsupervised learning
- image classification
- robust face recognition
- subspace learning
- person re identification
- linear combination
- generative model
- local binary pattern
- discriminative dictionary
- feature space
- feature extraction
- image patches
- semi supervised
- principal component analysis
- input image
- pose variations
- high dimensional
- data sets
- scale space
- computer vision
- manifold structure
- face images
- feature vectors
- knn
- denoising
- visual words
- higher order