PCA Based Feature Extraction for Text Classification.
Nirmalya ChowdhuryDiganta SahaPublished in: IICAI (2009)
Keyphrases
- text classification
- feature extraction
- principal component analysis
- feature selection
- principle component analysis
- text categorization
- bag of words
- feature reduction
- face recognition
- naive bayes
- preprocessing
- text mining
- text data
- dimensionality reduction
- text documents
- labeled data
- sentiment analysis
- dimension reduction
- text classifiers
- principal components
- machine learning
- feature space
- linear feature extraction
- multi label
- image classification
- extracted features
- knn
- n gram
- feature set
- neural network
- data cleaning
- independent component analysis
- pattern classification
- feature vectors
- frequency domain
- pattern recognition
- k nearest neighbor
- face images
- feature extractors
- image processing
- semantic features
- gabor filters
- active learning
- discriminant analysis
- wavelet transform