System and process for geometry replacement

Details System and process for geometry replacement System and process for geometry replacement

2007-06-26

2007-06-26

Nguyen, Phu K. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

C345S419000, C345S629000

Reexamination Certificate

active

10818430

ABSTRACT:
A system and process for replacing unwanted geometry (for example, tracking markers) in a recorded scene with new geometry. A 3-D matchmove process creates a 3-D map. The 3-D map is used to determine the 3-D coordinates of objects within the recorded scene. The 3-D coordinates of the tracking markers (and/or other objects) and the replacement portions are converted by a conversion means to 2D screen space coordinates of pixels that make up both the tracking markers (and/or other objects) and the replacement portions. A list comprising the 2D screen space pixel coordinates is then exported from the conversion means into a compositing application which reads the list of 2D pixel coordinates and makes the desired replacement automatically from frame-to-frame. Tracking markers (and/or other unwanted objects) are replaced with replacement portions with suitable characteristics.

REFERENCES:
patent: 6331861 (2001-12-01), Gever et al.
patent: 6963662 (2005-11-01), LeClerc et al.

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