Method and apparatus for embedding key information in an image
US11431999B2 · kind B2 · utility
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1References
14Claims
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Assignee
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Key dates
| Filing date | May 10, 2021 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | May 10, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/70
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to a method for embedding key information in an image, the method comprising reserving a range of DMZ values, in a predetermined range of 2N values used for storing useful data in the image, the reserved range being used for storing a key information associated with at least one coordinates in the image, with N>0 and DMZ<<2N.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.