Orthogonal filter banks with region Log-TiedRank covariance matrices for face recognition.
Cong Jie NgCheng-Yaw LowKar-Ann TohJaihie KimAndrew Beng Jin TeohPublished in: J. Vis. Commun. Image Represent. (2018)
Keyphrases
- covariance matrices
- filter bank
- face recognition
- covariance matrix
- image coding
- lapped transforms
- subband
- perfect reconstruction
- maximum likelihood
- infinite impulse response
- vector space
- feature vectors
- multiresolution
- wavelet packet
- gaussian distribution
- multiscale
- distance measure
- signal processing
- principal component analysis
- gaussian mixture model
- compactly supported
- face images
- frequency domain
- finite impulse response
- computationally efficient
- discriminant analysis
- wavelet filters
- gaussian mixture
- lifting scheme
- feature extraction
- high dimensional
- input image
- linear discriminant analysis
- wavelet transform
- bit rate
- noisy images
- bayesian networks
- building blocks