Feature extraction from faces using deformable templates
International Journal of Computer Vision
Adaptive mouth segmentation using chromatic features
Pattern Recognition Letters
Real-Time Lip Tracking for Audio-Visual Speech Recognition Applications
ECCV '96 Proceedings of the 4th European Conference on Computer Vision-Volume II - Volume II
Initialized Eigenlip Estimator for Fast Lip Tracking Using Linear Regression
ICPR '00 Proceedings of the International Conference on Pattern Recognition - Volume 3
Audio-visual speech recognition using MPEG-4 compliant visual features
EURASIP Journal on Applied Signal Processing
Colour and Geometric based Model for Lip Localisation: Application for Lip-reading System
ICIAP '07 Proceedings of the 14th International Conference on Image Analysis and Processing
Segmentation of color lip images by spatial fuzzy clustering
IEEE Transactions on Fuzzy Systems
IEEE Transactions on Image Processing
Lip image segmentation using fuzzy clustering incorporating an elliptic shape function
IEEE Transactions on Image Processing
Accurate and quasi-automatic lip tracking
IEEE Transactions on Circuits and Systems for Video Technology
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The automatic detection of the lip contour is relatively a difficult problem in computer vision due to the variation amongst humans and environmental conditions. In this paper we improve upon the classical methods by introducing fusion. Two separate methods are first applied, one based on edge detection and the other on region segmentation to detect the outer lip contour, the results from them are then combined. Empirical evaluation of the detection process is also presented on an image subset of the Valid database, which contains lighting, pose and speech variation with promising results.