Infrared Face Recognition Based on Blood Perfusion and Weighted Block-DCT in Wavelet Domain.
Cuiqun HeGuodong LiuZhihua XiePublished in: CIS (2010)
Keyphrases
- infrared
- wavelet domain
- thermal infrared
- spatial domain
- face recognition
- denoising
- wavelet coefficients
- multiscale
- wavelet transform
- discrete wavelet transform
- multiresolution
- image denoising
- dct domain
- human visual system
- transform domain
- subband
- high frequency
- frequency domain
- sar images
- motion estimation
- face images
- watermarking algorithm
- sparse representation
- feature extraction
- computer vision
- natural images
- higher order
- test images
- computational complexity
- image quality
- facial expressions