Edge Expansion and Spectral Gap of Nonnegative Matrices.
Jenish C. MehtaLeonard J. SchulmanPublished in: SODA (2020)
Keyphrases
- edge detection
- data matrix
- linear programming
- nonnegative matrix factorization
- edge detector
- spectral analysis
- image processing
- data representation
- edge information
- matrix completion
- spectral features
- matrix approximation
- factor matrices
- coefficient matrix
- positive definite
- hyperspectral images
- edge map
- weighted graph
- hyperspectral
- gene expression data