Cost-sensitive dictionary learning for face recognition.
Guoqing ZhangHuaijiang SunZexuan JiYunhao YuanQuan-Sen SunPublished in: Pattern Recognit. (2016)
Keyphrases
- cost sensitive
- dictionary learning
- sparse representation
- face recognition
- sparse coding
- multi class
- misclassification costs
- cost sensitive learning
- sparse representation based classification
- cost sensitive classification
- naive bayes
- class distribution
- face images
- image classification
- feature extraction
- active learning
- principal component analysis
- image patches
- facial expressions
- image representation
- support vector machine
- linear combination
- computer vision
- text categorization
- higher order
- training samples
- classification accuracy
- natural images
- signal processing