A method and apparatus are provided for merging plural facial images by continuously varying the shape interpolation ratio while preventing the positions of facial features from shifting, retaining a specific resemblance between the synthesized image and either of the source images in specific...http://www.google.com.hk/patents/US5850463?utm_source=gb-gplus-share專利 US5850463 - Facial image processing method and facial image processing apparatus
