Illumination and Expression Invariant Recognition Using SSIM Based Sparse Representation.
Asim A. KhwajaAkshay AsthanaRoland GoeckePublished in: ICPR (2010)
Keyphrases
- sparse representation
- illumination variations
- structural similarity
- dictionary learning
- sparse coding
- test images
- face recognition
- image quality
- intrinsic image decomposition
- image patches
- random projections
- joint optimization
- compressive sensing
- image classification
- signal processing
- dimensionality reduction
- single image
- illumination conditions
- object tracking
- image representation
- compressed sensing
- lighting conditions
- neural network
- regularized least squares
- varying illumination
- high dimensional data
- robust face recognition
- sparse approximations
- decision trees
- sparse reconstruction
- pattern recognition
- high dimensional
- sparse codes
- partial occlusion