Extraction and Classification of Mouth Shape Features in Oral English Teaching Based on Image Processing.
Qian ZhangLiyan XiaoYanfang ShiPublished in: Traitement du Signal (2021)
Keyphrases
- shape features
- image processing
- feature vectors
- pattern recognition
- feature extraction
- classification accuracy
- shape matching
- texture features
- support vector
- shape descriptors
- invariant moments
- machine learning
- co occurrence
- information extraction
- training set
- feature space
- image segmentation
- feature selection
- computer vision
- knowledge acquisition