Three-dimensional object surface shape modeling apparatus,...

Details Three-dimensional object surface shape modeling apparatus,... Three-dimensional object surface shape modeling apparatus,...

2005-08-30

2005-08-30

Nguyen, Kimbinh T. (Department: 2671)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

C345S423000, C345S426000, C345S441000, C345S442000, C382S154000

Reexamination Certificate

active

06937235

ABSTRACT:
In order to provide a curved surface model generating technique which makes use of both advantages of a modeling method by using distance image data and a modeling method by using silhouette data while photographic and measurement data from less angles are utilized, firstly a curved surface model generating section inputs 2D color image data and distance image data. When silhouette image data are extracted from the 2D color image data, initial model data are generated by the Volume Intersection method or the like. The distance image data are converted into world coordinate values by using photographing position/posture data. In a fitting processing section, a fidelity where the distance with the distance image data is used as a measure and a fidelity where the distance with the silhouette image data is used as a measure are added to be evaluated, and a curved surface is fitted to initial model data so that curve surface model data are generated.

REFERENCES:
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patent: 6363169 (2002-03-01), Ritter et al.
patent: 6741246 (2004-05-01), Perry et al.
patent: 61-138377 (1986-06-01), None
patent: 2601607 (1997-01-01), None
patent: 2000-149067 (2000-05-01), None
Matthias Eck et al., “Automatic Reconstruction of B-Spline Surfaces of Arbitrary Topological Type”.

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