Robust sparse graph regularized nonnegative matrix factorization for automatic depression diagnosis.
Lu ZhangJitao ZhongQuanhong WangJinzhou ZhuHele LiuHong PengBin HuPublished in: Biomed. Signal Process. Control. (2024)
Keyphrases
- nonnegative matrix factorization
- sparsity constraints
- negative matrix factorization
- matrix factorization
- sparse coding
- least squares
- probabilistic latent semantic indexing
- sparse non negative
- sparse representation
- objective function
- nonnegative matrix
- document clustering
- original data
- data representation
- regularized least squares
- dictionary learning
- spectral clustering
- low rank
- text mining
- multiscale
- data sets