Face Recognition under Variable Illumination by Weighted-Subband Edge Enhancement.
Zhao-Rong LaiDao-Qing DaiChuan-Xian RenPublished in: CCPR (2012)
Keyphrases
- subband
- edge enhancement
- face recognition
- high pass
- filter bank
- fourier analysis
- frequency domain
- wavelet transform
- low pass
- multiresolution
- image compression
- high frequency
- bit rate
- noise reduction
- wavelet coefficients
- wavelet decomposition
- feature vectors
- order statistics
- anisotropic diffusion
- low frequency
- wavelet domain
- discrete wavelet transform
- face images
- gaussian filter
- wavelet packet
- feature extraction
- error diffusion
- frequency band
- visual quality
- fourier transform
- spatial domain
- noise level
- denoising
- similarity measure
- image segmentation
- median filter
- image denoising
- principal component analysis
- feature space