WASET
    Harshit Mehrotra and  Gaurav Agrawal and  M.C. Srivastava,  Automatic Lip Contour Tracking and Visual Character Recognition for Computerized Lip Reading.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2009, vol. 28(4). 774 - 783
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/9987.