Texture mapping of photographic images to CAD surfaces

Details Texture mapping of photographic images to CAD surfaces Texture mapping of photographic images to CAD surfaces

1996-11-12

1999-04-27

Zimmerman, Mark K.

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

345430, G06T 1140

Patent

active

058984380

ABSTRACT:
A method for mapping a two-dimensional image of a physical object onto a computer generated three-dimensional surface defined by a plurality of surface points in a CAD space has the steps of creating a two-dimensional texture image plane of the physical object by taking a photograph of the physical object with a photographic device and converting the photograph into a texture image plane having a plurality of texture image plane points, determining a physical position of the photographic device with respect to the physical object, and transferring the texture image plane onto the three-dimensional surface. The transfer is accomplished by positioning a synthetic camera in the CAD space with respect to the three-dimensional surface according to the physical position of the photographic device, mapping each of the plurality of surface points viewable by the synthetic camera to a corresponding texture image point in the texture image plane, and assigning texture coordinates to each of the plurality of surface points from the corresponding texture image plane point.

REFERENCES:
patent: 4586038 (1986-04-01), Sims et al.
patent: 5255352 (1993-10-01), Falk
patent: 5319744 (1994-06-01), Kelley et al.
patent: 5742291 (1998-04-01), Palm
"Texture and Reflection in Computer Generated Images" Communications of the ACM, Oct. 1976, vol. 19, No. 10.
"Two-Part Texture Mappings" IEEE CG&A 1986.
"Survey of Texture Mapping" IEEE CG&A 1986.
"Texture Modeling Applications" The Visual Computer 1987.
"Texture Mapping as a Fundamental Drawing Primitive" Proc. Fourth Eurographics Workshop on Rendering, Paris, France, Jun. 1993.
"Computer Graphics" Second Edition, Principles and Practice, Addison-Wesley Publishing Co.

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