Face Detection in Color Images
IEEE Transactions on Pattern Analysis and Machine Intelligence
Lip feature extraction using red exclusion
VIP '00 Selected papers from the Pan-Sydney workshop on Visualisation - Volume 2
A PCA Based Visual DCT Feature Extraction Method for Lip-Reading
IIH-MSP '06 Proceedings of the 2006 International Conference on Intelligent Information Hiding and Multimedia
Automatic Lip Tracking: Bayesian Segmentation and Active Contours in a Cooperative Scheme
ICMCS '99 Proceedings of the IEEE International Conference on Multimedia Computing and Systems - Volume 2
Automatic lip contour extraction from color images
Pattern Recognition
Mouth gesture and voice command based robot command interface
ICRA'09 Proceedings of the 2009 IEEE international conference on Robotics and Automation
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In this paper a novel method for the automatic command of three degrees of freedom of a robot using mouth gestures is presented. The method uses a set of different pixel-based segmentation algorithms and morphological restrictions in order to extract the mouth area from the frames. A fuzzy inference system is then used in order to produce a small subset of discriminante features for gesture classification. A state machine was designed in order to stabilize the robot command task by using a temporal sliding mean on the detected gestures. Experimental results show that the method is both robust and reliable when operated by different people, and fast enough to keep the detection's rate in real-time.