Keyphrases
- data streams
- color images
- human faces
- color information
- lighting variations
- liveness detection
- biometric systems
- human face detection
- cellular neural networks
- color constancy
- real time
- complex background
- facial expressions
- security protection
- convolutional neural network
- face verification
- multiple cues
- color quantization
- color correction
- color image segmentation
- color histogram
- facial features
- computer vision