Improved image representation and sparse representation for face recognition.
Xuqin WeiYun ShiWeiyin GongYanyun GuanPublished in: Multim. Tools Appl. (2022)
Keyphrases
- sparse representation
- image representation
- image classification
- face recognition
- sparse coding
- dictionary learning
- multiscale
- image content
- compressive sensing
- image patches
- random projections
- object recognition
- joint optimization
- bag of words
- image retrieval
- negative matrix factorization
- object tracking
- feature representation
- visual words
- compressed sensing
- image features
- scene classification
- subspace learning
- test images
- data analysis
- robust face recognition
- machine learning
- sparse representation based classification
- single image
- signal processing
- image processing