Quaternion principal component analysis of color images.
Nicolas Le BihanStephen J. SangwinePublished in: ICIP (1) (2003)
Keyphrases
- color images
- principal component analysis
- color texture
- gray scale
- color space
- principal components
- color information
- dimensionality reduction
- covariance matrix
- feature space
- color image segmentation
- fourier transform
- color texture segmentation
- linear discriminant analysis
- discriminant analysis
- gray scale images
- independent component analysis
- dimension reduction
- feature extraction
- face recognition
- grayscale images
- low dimensional
- color correction
- image processing
- impulsive noise removal
- singular value decomposition
- contrast enhancement
- color quantization
- negative matrix factorization
- lower dimensional
- face images
- neural classifier
- object detection