Keyphrases
- text classification
- text classifiers
- text classification tasks
- labeled training data
- text categorization
- bag of words
- training corpus
- feature selection
- naive bayes
- training samples
- video sequences
- sentiment analysis
- machine learning
- n gram
- training process
- text mining
- text documents
- key frames
- semantic features
- training phase
- data cleaning
- labeled data
- detection algorithm
- text data
- video indexing
- training set
- unlabeled data