System and method for processing subpicture data
US7197234B1 · kind B1 · utility
148Cited by
6References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 24, 2002 |
| Grant date | Mar 27, 2007 |
| Priority date | — |
| Expiry date | Apr 26, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2005/91364
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method is described for rendering subpicture images comprising: reading a subpicture image from a digital versatile disk (“DVD”); identifying regions within the subpicture image for which α is below a specified threshold value; and rendering on a video screen only those regions of the subpicture image for which α is above the specified threshold value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.