Video encoder which uses intra-coding when an activity level of a current macro-block is smaller than a threshold level
US5682204A · kind A · utility
70Cited by
6References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 26, 1995 |
| Grant date | Oct 28, 1997 |
| Priority date | — |
| Expiry date | Dec 26, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/30
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A rate control algorithm for an MPEG-2 compliant encoder is described. The rate control algorithm has embodiments useful for constant bit rate and variable bit rate encoding. In particular, the invention relates to a quantization biased, activity based inter/intra decision.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.