Improving HMM-Based Keyword Spotting with Character Language Models.
Andreas FischerVolkmar FrinkenHorst BunkeChing Y. SuenPublished in: ICDAR (2013)
Keyphrases
- language model
- keyword spotting
- speech recognition
- hidden markov models
- printed documents
- language modeling
- probabilistic model
- n gram
- document retrieval
- speech processing
- retrieval model
- test collection
- statistical language models
- information retrieval
- language modelling
- query expansion
- automatic speech recognition
- speech signal
- document images
- mixture model
- pseudo relevance feedback
- optical character recognition
- smoothing methods
- search engine
- document analysis
- cross language
- character recognition
- multimedia