Using the idea of the sparse representation to perform coarse-to-fine face recognition.
Yong XuQi ZhuZizhu FanDavid ZhangJian-Xun MiZhihui LaiPublished in: Inf. Sci. (2013)
Keyphrases
- sparse representation
- coarse to fine
- face recognition
- multiscale
- multiresolution
- dictionary learning
- object detection
- image registration
- sparse coding
- image classification
- hierarchical segmentation
- illumination variations
- image patches
- image representation
- object tracking
- test images
- reconstruction error
- compressive sensing
- compressed sensing
- face images
- dynamic programming
- joint optimization
- signal processing
- dimensionality reduction
- high dimensional data
- piecewise smooth
- linear combination
- facial images
- neural network
- principal component analysis
- facial expressions
- feature extraction
- image processing
- feature selection