Video encoding methods and devices
US8040949B2 · kind B2 · utility
35Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2004 |
| Grant date | Oct 18, 2011 |
| Priority date | — |
| Expiry date | Sep 15, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/895
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A dual, and possibly multiple, frame approach is used by the invention. Embodiments of the invention include making a decision to use a long term reference frame, which is a frame other than an immediate past reference frame, to conduct INTER coding, or to conduct INTRA frame coding. Other embodiments include use of long and short term reference blocks, and make a decision between two types of INTER coding blocks and INTRA coding. In accordance with embodiments of the invention, a long term frame is a high quality frame. The high quality frame may be used as a reference frame under particular conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.