Sparse Dual Graph-Regularized Deep Nonnegative Matrix Factorization for Image Clustering.
Weiyu GuoPublished in: IEEE Access (2021)
Keyphrases
- nonnegative matrix factorization
- basis vectors
- sparsity constraints
- input image
- nonnegative matrix
- image data
- least squares
- image features
- probabilistic latent semantic indexing
- multiscale
- image retrieval
- clustering algorithm
- matrix factorization
- image segmentation
- image representation
- data representation
- sparse representation
- image classification
- matrix factorisation
- data matrix
- similarity measure
- spectral clustering
- unsupervised learning
- original data
- objective function
- information retrieval
- dictionary learning
- primal dual
- normalized cut
- data sets
- semi supervised
- k means
- data mining