Robust structured sparse representation via half-quadratic optimization for face recognition.
Yong PengBao-Liang LuPublished in: Multim. Tools Appl. (2017)
Keyphrases
- sparse representation
- half quadratic
- face recognition
- norm minimization
- image recovery
- joint optimization
- compressive sensing
- sparse coding
- dictionary learning
- edge preserving
- image classification
- random projections
- signal processing
- image patches
- regularized least squares
- dimensionality reduction
- computer vision
- total variation
- image representation
- principal component analysis
- convex optimization
- face images
- robust face recognition
- pattern recognition
- sparse representation based classification
- image restoration
- linear combination
- higher order
- object recognition
- multiscale