Feature Dimensionality Reduction for Video Affect Classification: A Comparative Study.
Chenfeng GuoDongrui WuPublished in: CoRR (2018)
Keyphrases
- dimensionality reduction
- feature vectors
- feature extraction
- high dimensionality
- feature set
- feature space
- pattern recognition
- classification accuracy
- support vector machine
- supervised learning
- support vector
- principal component analysis
- dimensionality reduction methods
- video analysis
- preprocessing step
- data representation
- support vector machine svm
- video streams
- pattern classification
- classification algorithm
- text classification
- image classification
- feature selection
- feature representation
- multiple features
- kernel learning
- real time
- pattern recognition and machine learning
- classification method
- multimedia
- training samples
- preprocessing
- neural network
- nonlinear dimensionality reduction
- feature analysis
- learning algorithm
- discriminative features
- face recognition
- video shots
- low dimensional
- video data
- video clips
- video retrieval
- space time
- video content