Class-Driven Non-Negative Matrix Factorization for Image Representation.
Yanhui XiaoZhenfeng ZhuYao ZhaoYunchao WeiPublished in: J. Comput. Sci. Technol. (2013)
Keyphrases
- image representation
- negative matrix factorization
- sparse representation
- multiscale
- image classification
- image content
- bag of words
- nonnegative matrix factorization
- object recognition
- matrix factorization
- quadtree
- image retrieval
- sparse coding
- image features
- scene classification
- representation scheme
- feature space
- principal component analysis
- visual words
- document clustering
- probabilistic latent semantic analysis
- spectral clustering
- image processing
- active learning
- visual features
- natural images
- knowledge discovery
- linear quadtree