Quaternion principal component analysis of color images.

Nicolas Le Bihan Stephen J. Sangwine

Published 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