System and method for generating adaptively sampled distance...

Details System and method for generating adaptively sampled distance... System and method for generating adaptively sampled distance...

2006-02-21

2006-02-21

Nguyen, Kimbinh T. (Department: 2671)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

C345S423000, C345S427000, C345S428000, C345S619000

Reexamination Certificate

active

07002570

ABSTRACT:
A method generates an adaptively sampled distance field of an object by first defining a candidate cell of the adaptively sampled distance field. Then, distance values for the candidate cell are determined and stored in a bounded distance tree. The candidate cell is recursively subdividing into subdivided cells of the adaptively sampled distance field while determining and storing corresponding distance values of the subdivided cells in the bounded distance tree until a termination condition is reached. Lastly, the distance values are appended to the corresponding cells to generate the adaptively sampled distance field of the object.

REFERENCES:
patent: 6724393 (2004-04-01), Perry et al.
Frisken et al., “Adaptively Sampled Distance Fields: A General Representation of Shape for Computer Graphics”, Proceedings for SIGGRAPH 2000, pp. 249-254, 2000.

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