On Image Analysis by the Methods of Moments
IEEE Transactions on Pattern Analysis and Machine Intelligence
Invariant Image Recognition by Zernike Moments
IEEE Transactions on Pattern Analysis and Machine Intelligence
The Recognition of Human Movement Using Temporal Templates
IEEE Transactions on Pattern Analysis and Machine Intelligence
Recognition of Visual Speech Elements Using Hidden Markov Models
PCM '02 Proceedings of the Third IEEE Pacific Rim Conference on Multimedia: Advances in Multimedia Information Processing
Visual Speech Recognition Method Using Translation, Scale and Rotation Invariant Features
AVSS '06 Proceedings of the IEEE International Conference on Video and Signal Based Surveillance
Visual model structures and synchrony constraints for audio-visual speech recognition
IEEE Transactions on Audio, Speech, and Language Processing
Private predictions on hidden Markov models
Artificial Intelligence Review
Comparative analysis of lip features for person identification
Proceedings of the 8th International Conference on Frontiers of Information Technology
Robust visual speakingness detection using bi-level HMM
Pattern Recognition
Journal of Signal Processing Systems
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This paper presents a novel visual speech recognition approach based on motion segmentation and hidden Markov models (HMM). The proposed method identifies utterances from mouth video, without evaluating voice signals. The facial movements in the video data are represented using 2D spatial-temporal templates (STT). The proposed technique combines discrete stationary wavelet transform (SWT) and Zernike moments to extract rotation invariant features from the STTs. HMMs are used as speech classifier to model English phonemes. The preliminary results demonstrate that the proposed technique is suitable for phoneme classification with a high accuracy.