Quaternion Scalar and Vector Norm Decomposition: Quaternion PCA for Color Face Recognition.
Wankai LiuKit Ian KouJifei MiaoZhenfeng CaiPublished in: IEEE Trans. Image Process. (2023)
Keyphrases
- face recognition
- principal component analysis
- color texture
- color texture segmentation
- fourier transform
- face images
- color images
- discriminant analysis
- orl face
- color information
- face databases
- dimensionality reduction
- method for face recognition
- linear discriminant analysis
- feature extraction
- gabor features
- unsupervised segmentation
- color space
- computer vision
- principal components
- recognition rate
- face detection
- principle component analysis
- local binary pattern
- natural images
- covariance matrix
- principal components analysis
- fisher linear discriminant
- facial expressions
- multiscale
- sparse representation
- feature space
- successive approximation
- orl face database
- color components
- multiresolution
- subspace methods
- face verification
- texture images
- facial images