Kernel sparse representation with pixel-level and region-level local feature kernels for face recognition.
Cuicui KangShengcai LiaoShiming XiangChunhong PanPublished in: Neurocomputing (2014)
Keyphrases
- sparse representation
- pixel level
- region level
- face recognition
- reconstruction error
- object level
- sparse coding
- image patches
- superpixels
- feature space
- support vector
- image fusion
- image classification
- dimensionality reduction
- subspace learning
- foreground objects
- test images
- image features
- face images
- feature extraction
- computer vision
- object tracking
- high dimensional data
- image representation
- signal processing
- principal component analysis
- image regions
- input image
- feature vectors
- region boundaries
- pattern recognition