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    • 86. 发明申请
    • METHOD AND SYSTEM FOR CONSTRUCTING A 3D REPRESENTATION OF A FACE FROM A 2D REPRESENTATION
    • 用于从二维表示构造面的三维表示的方法和系统
    • US20090052748A1
    • 2009-02-26
    • US12194467
    • 2008-08-19
    • Dalong JiangHong-Jiang ZhangLei ZhangShuicheng YanYuxiao Hu
    • Dalong JiangHong-Jiang ZhangLei ZhangShuicheng YanYuxiao Hu
    • G06K9/00G06K9/36
    • G06K9/00288G06K9/00208
    • A method and system for generating 3D images of faces from 2D images, for generating 2D images of the faces at different image conditions from the 3D images, and for recognizing a 2D image of a target face based on the generated 2D images is provided. The recognition system provides a 3D model of a face that includes a 3D image of a standard face under a standard image condition and parameters indicating variations of an individual face from the standard face. To generate the 3D image of a face, the recognition system inputs a 2D image of the face under a standard image condition. The recognition system then calculates parameters that map the points of the 2D image to the corresponding points of a 2D image of the standard face. The recognition system uses these parameters with the 3D model to generate 3D images of the face at different image conditions.
    • 提供了一种用于从2D图像生成面部的3D图像的方法和系统,用于在3D图像的不同图像条件下生成面部的2D图像,并且基于所生成的2D图像来识别目标面部的2D图像。 识别系统提供了一种面部的3D模型,其包括在标准图像条件下的标准面的3D图像和指示单个脸部与标准脸部的变化的参数。 为了生成面部的3D图像,识别系统在标准图像条件下输入面部的2D图像。 识别系统然后计算将2D图像的点映射到标准面的2D图像的对应点的参数。 识别系统使用这些参数与3D模型在不同图像条件下生成脸部的3D图像。