On Issues of Feature Extraction in Chinese Automatic Essay Scoring System.
Tao-Hsing ChangChia-Hoang LeeHak-Ping TamPublished in: AIED (2007)
Keyphrases
- feature extraction
- image processing
- preprocessing
- wavelet transform
- fully automatic
- key issues
- pattern classification
- dimension reduction
- frequency domain
- semi automatic
- extracted features
- face recognition
- feature extractors
- database
- image classification
- feature space
- support vector
- multiscale
- case study
- learning algorithm