Multi-Layer Sparse Representation for Weighted LBP-Patches Based Facial Expression Recognition.
Qi JiaXinkai GaoHe GuoZhongxuan LuoYi WangPublished in: Sensors (2015)
Keyphrases
- facial expression recognition
- multi layer
- sparse representation
- image patches
- face recognition
- local binary pattern
- facial expressions
- dictionary learning
- sparse coding
- human faces
- feature extraction
- human computer interaction
- neural network
- image classification
- facial images
- neural nets
- face images
- test images
- subspace learning
- dimensionality reduction
- object tracking
- facial features
- principal component analysis
- multiscale
- face detection
- image representation
- signal processing
- high dimensional data
- spatial information
- natural images
- multiresolution
- pattern recognition
- image processing
- feature selection
- machine learning