Exploring deep gradient information for biometric image feature representation.
Jianjun QianJian YangYing TaiHao ZhengPublished in: Neurocomputing (2016)
Keyphrases
- feature representation
- gradient information
- feature extraction
- sparse representation
- face recognition
- low dimensional
- input image
- image features
- image classification
- feature set
- pattern recognition
- region of interest
- multiscale
- edge detection
- image gradient
- low level
- image representation
- gray level
- image regions
- edge preserving
- machine learning