Adaptive Quantization of Local Directional Responses for Infrared Face Recognition.
Zhihua XieZhengzi WangGuodong LiuPublished in: ICIC (3) (2015)
Keyphrases
- infrared
- adaptive quantization
- thermal infrared
- face recognition
- shape coding
- rate distortion
- low bit rate
- infrared images
- image compression
- visible spectrum
- visible light
- subband coding
- thermal images
- face images
- subband
- computer vision
- infrared imagery
- sparse representation
- feature extraction
- video coding
- motion estimation
- image enhancement
- thermal imaging
- target detection and tracking
- contourlet transform
- illumination variations
- spatial domain
- compression ratio
- bit rate
- high resolution
- feature vectors
- computational complexity
- multiscale
- image processing