Video/audio signal processing method and video-audio signal processing apparatus
US7356082B1 · kind B1 · utility
64Cited by
10References
47Claims
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Key dates
| Filing date | Nov 29, 1999 |
| Grant date | Apr 8, 2008 |
| Priority date | — |
| Expiry date | Nov 29, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/6811
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A metadata extraction unit has a feature point selection and motion estimation unit 62 for extracting at least one feature point representing characteristics of the video/audio signals in a compressed domain of the video/audio signals. Thus, reduction of time or cost for processing can be realized and it makes it possible to process effectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.