Method and apparatus for generating texture for 3D facial model

Details Method and apparatus for generating texture for 3D facial model Method and apparatus for generating texture for 3D facial model

2006-11-21

2006-11-21

Wu, Jingge (Department: 2624)

Image analysis

Image transformation or preprocessing

Mapping 2-d image onto a 3-d surface

C345S423000, C345S582000

Reexamination Certificate

active

07139439

ABSTRACT:
A method and an apparatus for generating textures for a three-dimensional (3D) facial model are provided. The method for generating textures for a 3D facial model provides extracting texture coordinate from a magnification result of a predetermined central facial portion by a predetermined rate and a reduction result of peripheral portion by the predetermined rate, by substituting transformed model coordinate generated by transforming a standard model for a frontal image and at least one side face image of a face into a conversion function in order to convert the transformed model coordinate into pixel coordinate; and interpolating the frontal and side face image, which is received from a user in response to the analysis result of the transformed model coordinate, by using the texture coordinate in the unit of polygon, which is decided by the pixel coordinate, to determine the interpolation result as transformed texture, in which the central facial portion is a region established by a user with centering upon the eyes of the face and the peripheral portion is a region corresponding to the region except for the central facial portion of the face.

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Pighin et al. (“Synthesized Realistic Facial Expressions from Photographs,” Proc. 25th Conf. on Computer Graphics and Interactive Techniques, Jul. 1998, pp. 75-84).
Cheng et al. (“An Integrated Approach to 3D Face Model Reconstruction from Video,” IEEE ICCV Workshop on Recognition, Analysis and Tracking of Faces and Gestures in Real-Time Systems, Jul. 13, 2001, pp. 16-22).
Nagashima et al. (“3D Face Model Reproduction Method Using Multi View Images,” SPIE vol. 1606 Visual Communications and Image Processing '91, pp. 566-573).

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