Research Topics

  • Speech Signal Processing
        - Large Vocabulary Continuous Speech Recognition, Keyword Spotting, and Word Recognition
        - Discriminative Acoustic Feature Extraction
        - Supervised/Unsupervised Acoustic Modeling and Language Modeling
        - Utterance Verification and Confidence Measure
        - Speaker Adaptation
        - Spoken Dialogue Systems

  • Information Retrieval
        - Retrieval Modeling
        - Query Formulation, Document Representation, Robust Audio Indexing
        - Multilingual Information Retrieval
        - Speech-based Multimedia Information Retrieval Systems
        - Keyword/Topic-word Extraction
        - Document Segmentation, Classification and Clustering

  • Natural Language Processing
        - Part-of-Speech Tagging, Syntactic/Semantic Parsing
        - Speech Summarization using Heterogeneous Information Sources
        - Automatic Title Words Generation
        - Machine Translation
        - Intelligent Chinese Input Systems

  • Artificial Intelligence and Neural Networks
        - Search Algorithms
        - Machine Learning Techniques
        - Semantic/Meaning/Knowledge Representations


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