Spectral clustering based on high-frequency texture components for face datasets.
Zexiao LiangShaozhi GuoDakang LiuJianzhong LiPublished in: IET Image Process. (2021)
Keyphrases
- high frequency
- low frequency
- visual quality
- high resolution
- subband
- wavelet transform
- wavelet coefficients
- high frequencies
- high frequency components
- frequency band
- low pass
- multiresolution
- low and high frequency
- image processing
- multi resolution analysis
- wavelet decomposition
- wavelet domain
- texture analysis
- face images
- texture classification
- facial features
- high pass
- texture features
- gray level
- facial expressions