Graph Regularized Nonnegative Matrix Factorization with Sample Diversity for Image Representation.
Changpeng WangXueli SongJiangshe ZhangPublished in: Eng. Appl. Artif. Intell. (2018)
Keyphrases
- image representation
- nonnegative matrix factorization
- least squares
- negative matrix factorization
- multiscale
- image classification
- sparsity constraints
- matrix factorization
- sparse representation
- data representation
- object recognition
- bag of words
- principal component analysis
- objective function
- visual words
- image retrieval
- collaborative filtering
- feature space
- sparse coding
- original data
- natural images
- data sets
- raw data
- pattern recognition
- feature selection