Semi-supervised graph regularized nonnegative matrix factorization with local coordinate for image representation.
Huirong LiYuelin GaoJunmin LiuJiangshe ZhangChao LiPublished in: Signal Process. Image Commun. (2022)
Keyphrases
- image representation
- nonnegative matrix factorization
- semi supervised
- semi supervised clustering
- least squares
- semi supervised classification
- image classification
- sparsity constraints
- negative matrix factorization
- multiscale
- sparse representation
- matrix factorization
- data representation
- semi supervised learning
- object recognition
- sparse coding
- unlabeled data
- spectral clustering
- principal component analysis
- feature space
- bag of words
- pairwise
- image features
- image retrieval
- objective function
- active learning
- labeled data
- unsupervised learning
- generative model
- pairwise constraints
- document clustering
- visual words
- low rank
- supervised learning
- computer vision
- original data
- text categorization
- pattern recognition
- feature selection