Combining deep subspace feature representation based IKPCANet and jointly constraint multi-dictionary learning for facial expression recognition.
Zhe SunJiatong BaiPanpan WangJiaxue HuangPublished in: Artif. Intell. Rev. (2023)
Keyphrases
- feature representation
- facial expression recognition
- dictionary learning
- sparse representation
- face recognition
- feature extraction
- subspace learning
- low dimensional
- facial expressions
- sparse coding
- high dimensional data
- dimensionality reduction
- principal component analysis
- human computer interaction
- local binary pattern
- image classification
- high dimensional
- feature space
- image patches
- face detection
- image representation
- facial images
- feature descriptors
- data sets
- pattern recognition
- image processing
- face images
- nearest neighbor
- feature vectors
- feature selection
- texture analysis
- facial features
- natural images
- distance measure
- signal processing
- data points