Method for positioning lip region in color face image
A color face and area positioning technology, which is applied to computer parts, instruments, characters and pattern recognition, etc., can solve the problems that the correctness of the initial feature parameters cannot be guaranteed, and the precise positioning results of the lip area are affected.
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[0045] The present invention will be described in detail below in conjunction with the drawings.
[0046] figure 1 It is a schematic diagram of the positioning process of the lip region of the color face image provided by the present invention. Such as figure 1 As shown, there are two steps: the first step is the coarse positioning stage of the lip area; the second step is the precise positioning stage of the lip area. In the coarse positioning stage of the lip region in the first step, the input color face image FaceImage is first converted into a gray image, and the gray image is segmented using the parallel line projection segmentation method to obtain the binary segmentation result SegResult 1, Dr. parallel lines which split projection method, see Engineering thesis "Chinese realistic visual voice synthesis key technology research", National University of Defense Technology, January 2010, Author: Zhao Hui; the same time, the input color image skin color detection, and implem...
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