Apparatus and method for selecting a rate and distortion based coding mode for a coding system
US6037987A · kind A · utility
32Cited by
8References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 31, 1997 |
| Grant date | Mar 14, 2000 |
| Priority date | — |
| Expiry date | Dec 31, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/61
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus and concomitant method for selecting a macroblock coding mode based on the measured distortion associated with the selected coding mode is disclosed. The invention selects a coding mode that has a distortion measure that is nearest to an expected operating distortion. Once an initial coding mode is selected, the invention applies a trade-off operation. The best coding mode after the trade-off operation is selected as the coding mode for the current macroblock.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.