Method and system for minimizing an amount of data needed to test data against subarea boundaries in spatially composited digital video
US7358974B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2002 |
| Grant date | Apr 15, 2008 |
| Priority date | — |
| Expiry date | Jan 20, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T17/10
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and system for minimizing an amount of data needed to test data against subarea boundaries in spatially composited digital video. Spatial compositing uses a graphics unit or pipeline to render a portion (subarea) of each overall frame of digital video images. This reduces the amount of data that each processor must act on and increases the rate at which an overall frame is rendered. Optimization of spatial compositing depends on balancing the processing load among the different pipelines. The processing load typically is direct function of the size of a given subarea and a function of the rendering complexity for objects within this subarea. Load balancing strives to measure these variables and adjust, from frame to frame, the number, sizes, and positions of the subareas. The cost of this approach is the necessity to communicate, in conjunction with each frame, the graphics data that will be rendered. Graphics data for a frame is composed of geometry chunks. Each geometry chunk is defined by its own bounding region, where the bounding region defines the space the geometry chunk occupies on the compositing window. Only the parameters that define the bounding region are comm…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.