Extended SRC: Undersampled Face Recognition via Intraclass Variant Dictionary.
Weihong DengJiani HuJun GuoPublished in: IEEE Trans. Pattern Anal. Mach. Intell. (2012)
Keyphrases
- face recognition
- intra class
- sparse representation based classification
- sparse representation
- dictionary learning
- sparse coding
- face images
- image patches
- principal component analysis
- computer vision
- face detection
- object classes
- local binary pattern
- feature extraction
- covariance matrices
- viewpoint
- sample size
- natural images
- image classification
- small number
- probabilistic model