Methods and systems for rate-distortion optimized quantization of transform blocks in block transform video coding
US7957600B2 · kind B2 · utility
11Cited by
5References
8Claims
0Family size
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Key dates
| Filing date | May 8, 2007 |
| Grant date | Jun 7, 2011 |
| Priority date | — |
| Expiry date | Mar 13, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/61
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided are methods and systems for rate-distortion optimized quantization and for skipping transform blocks that can take into account the rate-distortion tradeoff as well as the perceptual quality of reconstructed video.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.