High speed display of high resolution image

Details High speed display of high resolution image High speed display of high resolution image

2006-02-10

2009-08-04

Nguyen, Hau H (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S428000, C345S552000, C345S587000

Reexamination Certificate

active

07570271

ABSTRACT:
A system maintains data from different resolution levels of an image in textures of a graphics processing unit (GPU). Image data is organized into multiple resolution layers of an image. Data from the lower resolution level(s) is used to process an image while higher resolution data is loaded. In one embodiment, a first resolution representation of the image having a lowest resolution level using data resident in the GPU memory is drawn prior to drawing a portion of a second resolution representation having a higher resolution level using data resident in the GPU memory.

REFERENCES:
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“6.8.3 Implementing High Resolution Textured Terrain”,Advanced Graphics Programming Techniques Using OpenGL—Course presented at SIGGRAPH '99, http://www.opengl.org/resources/tutorials/sig99/advanced99
otes
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Tanner, Christopher C., et al., “The Clipmap: A Virtual Mipmap”,Computer Graphics, Proceedings of SIGGRAPH '98, (1998), 151-158.

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