Hierarchical motion estimation using original frame for sub-sampled reference
US8472527B2 · kind B2 · utility
7Cited by
6References
1Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 12, 2007 |
| Grant date | Jun 25, 2013 |
| Priority date | — |
| Expiry date | Oct 20, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/61
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
This invention calculates motion vectors during video encoding for sub-sampled data using a hierarchical search. The motion vector calculation employs a prior original frame as the reference frame rather than a reconstructed frame according to the prior art.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.