A Feature Extraction Method Based on Differential Entropy and Linear Discriminant Analysis for Emotion Recognition.
Dongwei ChenRui MiaoWei-Qi YangYong LiangHao-Heng ChenLan HuangChunjian DengNa HanPublished in: Sensors (2019)
Keyphrases
- linear discriminant analysis
- emotion recognition
- discriminant analysis
- discriminant features
- face recognition
- principal component analysis
- dimensionality reduction
- feature extraction
- dimension reduction
- facial expressions
- emotional speech
- locality preserving projections
- null space
- audio visual
- support vector
- fisher criterion
- human computer interaction
- support vector machine svm
- feature space
- sentiment analysis
- high dimensional data
- scatter matrix
- facial images
- information fusion
- pattern recognition
- affective states
- feature set
- object detection
- feature vectors
- scatter matrices
- multimedia