Block-Diagonalization of Quaternion Circulant Matrices with Applications.
Junjun PanMichael K. NgPublished in: SIAM J. Matrix Anal. Appl. (2024)
Keyphrases
- fourier transform
- coefficient matrix
- singular value decomposition
- signal processing
- least squares
- condition number
- rows and columns
- frequency domain
- correlation matrix
- image blocks
- pairwise comparison
- interior point methods
- block wise
- positive definite
- discrete fourier transform
- block matching
- block size
- iterative methods
- multiscale
- blind source separation
- negative matrix factorization
- matrix multiplication
- radon transform
- kronecker product
- color texture segmentation