Neighbors isometric embedding nonnegative matrix factorization for image representation.
Xiaobing PeiYuntao WuPublished in: Multidimens. Syst. Signal Process. (2017)
Keyphrases
- image representation
- nonnegative matrix factorization
- multiscale
- image classification
- negative matrix factorization
- data representation
- matrix factorization
- bag of words
- principal component analysis
- sparse representation
- spectral clustering
- least squares
- object recognition
- nearest neighbor
- feature space
- image features
- visual words
- document clustering
- image retrieval
- low dimensional
- objective function
- data points
- feature extraction
- original data
- sparse coding
- watermarking algorithm
- data analysis