Keyphrases
- text classification
- bag of words
- text categorization
- feature selection
- text data
- machine learning
- text mining
- naive bayes
- reversible watermarking
- labeled data
- vector space
- text classifiers
- n gram
- multi label
- text documents
- sentiment analysis
- image pixels
- pixel wise
- data cleaning
- information theoretic
- pixel values
- pixel level
- data hiding
- distributional clustering
- databases