Improved spoken term detection by feature space pseudo-relevance feedback.
Chia-Ping ChenHung-yi LeeChing-feng YehLin-Shan LeePublished in: INTERSPEECH (2010)
Keyphrases
- pseudo relevance feedback
- feature space
- language model
- spoken term detection
- query expansion
- retrieval effectiveness
- document retrieval
- relevance feedback
- relevant documents
- relevance model
- information retrieval systems
- average precision
- language modeling
- n gram
- speech recognition
- test collection
- image representation
- probabilistic model
- feature vectors
- high dimensional
- information retrieval
- image content
- query terms
- term frequency
- image retrieval
- feature extraction