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Method and device for performing user-defined clipping in object space
US9024969B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9024969-B2 |
| Application number | US-201213538445-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 29, 2012 |
| Priority date | Sep 12, 2006 |
| Publication date | May 5, 2015 |
| Grant date | May 5, 2015 |
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Abstract
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A method and device for performing and processing user-defined clipping in object space to reduce the number of computations needed for the clipping operation. The method and device also combine the modelview transformation of the vertex coordinates with projection transform. The user-defined clipping in object space provides a higher performance and less power consumption by avoiding generation of eye coordinates if there is no lighting. The device includes a driver for the user-defined clipping in the object space to perform dual mode user-defined clipping in object space when a lighting function is disabled and in eye space when the lighting function is enabled.
First claim
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What is claimed is: 1. An imaging apparatus comprising: a processor configured to determine whether lighting is enabled or disabled, wherein, in response to the determination that lighting is enabled, the processor is configured to perform vertex coordinate processing of vertex coordinates in eye space to create clipped vertex coordinates in the eye space, and wherein, in response to the determination that lighting is disabled, the processor is configured to perform vertex coo…
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- What does patent US9024969B2 cover?
- A method and device for performing and processing user-defined clipping in object space to reduce the number of computations needed for the clipping operation. The method and device also combine the modelview transformation of the vertex coordinates with projection transform. The user-defined clipping in object space provides a higher performance and less power consumption by avoiding generatio…
- Who is the assignee on this patent?
- Bi Ning, Chen Lin, Chen Lingjun, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification G06T15/30. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue May 05 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).