Facial Expression Recognition Based on Specific Regions Wavelet Decomposition, Local Directional Number Pattern and Sparse Representation.
Jian KangQuan bing ZhangChuan ShenSui WeiPublished in: ICIG (2013)
Keyphrases
- sparse representation
- facial expression recognition
- wavelet decomposition
- multiresolution
- face recognition
- multiscale
- sparse coding
- human computer interaction
- wavelet transform
- feature selection
- object tracking
- dictionary learning
- object detection
- subband
- wavelet coefficients
- image features
- training set
- pattern recognition