Joint diagonalization for a pair of Hermitian quaternion matrices and applications to color face recognition.
Sitao LingYi-Ding LiBing YangZhi-Gang JiaPublished in: Signal Process. (2022)
Keyphrases
- face recognition
- singular values
- color images
- color texture
- face images
- color information
- fourier transform
- discriminant analysis
- color space
- local binary pattern
- singular value decomposition
- unsupervised segmentation
- square matrices
- computer vision
- face databases
- color constancy
- feature extraction
- color texture segmentation
- image regions
- facial images
- sparse representation
- subspace learning
- principal component analysis