Face recognition under illumination variations based on eight local directional patterns.
Mohammad Reza FarajiXiaojun QiPublished in: IET Biom. (2015)
Keyphrases
- illumination variations
- face recognition
- face images
- face recognition systems
- illumination conditions
- illumination compensation
- object tracking
- image matching
- face recognition algorithms
- sparse representation
- illumination normalization
- pose variations
- partial occlusion
- human faces
- lighting conditions
- principal component analysis
- pixel level
- local binary pattern
- facial expressions
- coarse to fine
- face verification
- computer vision
- facial images
- facial features
- wide range
- machine learning
- similarity measure
- pattern recognition
- feature extraction
- image processing
- training set