基于稀疏约束的半监督非负矩阵分解算法 (Constrained Nonnegative Matrix Factorization with Sparseness for Image Representation).
Xuekao HuFuming SunHaojie LiPublished in: 计算机科学 (2015)
Keyphrases
- image representation
- nonnegative matrix factorization
- negative matrix factorization
- multiscale
- image classification
- matrix factorization
- data representation
- least squares
- object recognition
- sparse representation
- bag of words
- image retrieval
- image features
- feature space
- original data
- document clustering
- principal component analysis
- objective function
- sparse coding
- scene classification
- visual words
- image processing
- spectral clustering
- natural images
- semi supervised
- pattern recognition