Improved image representation and sparse representation for image classification.
Shijun ZhengYongjun ZhangWenjie LiuYongjie ZouPublished in: Appl. Intell. (2020)
Keyphrases
- image representation
- sparse representation
- image classification
- sparse coding
- bag of words
- dictionary learning
- compressive sensing
- image features
- visual words
- image content
- visual features
- feature extraction
- random projections
- bag of features
- compressed sensing
- test images
- joint optimization
- sparse codes
- multiscale
- bag of visual words
- image patches
- negative matrix factorization
- object recognition
- scene classification
- scene recognition
- spatial pyramid
- feature representation
- multiresolution
- sparse coefficients
- database
- spatial pyramid matching
- feature selection