The localization method of lip outline

The localization method of lip outline

  • CN 106,997,451 A
  • Filed: 01/26/2016
  • Published: 08/01/2017
  • Est. Priority Date: 01/26/2016
  • Status: Active Application
First Claim
Patent Images

1. a kind of localization method of lip outline, it is characterised in that this method comprises the following steps:

  • Coarse segmentation is carried out to lip region, to obtain lip region binary image;

    Lip region binary image is converted into gray level image, corners of the mouth key point is searched in lip region gray level image,The corners of the mouth key point includes left and right corners of the mouth key point;

    On the basis of corners of the mouth key point, the inside and outside profile key point of lip is searched, so as to complete the positioning of lip outline;

    InstituteStating lip Internal periphery key point includes upper and lower lip Internal periphery key point, and the outline key point includes upper and lower lipOutline key point.

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