Dynamic image quality checker for use in image transcoding
US9020254B2 · kind B2 · utility
1Cited by
9References
20Claims
0Family size
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Key dates
| Filing date | Dec 15, 2011 |
| Grant date | Apr 28, 2015 |
| Priority date | — |
| Expiry date | Nov 20, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/40
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Described is a technology by which an image is transcoded to a desired quality measure (e.g., PSNR). A quality measure of transcoded image data is checked against a desired quality measure, and if a desired quality measure is not achieved, a different quality level is iteratively provided to attempt to re-transcode the image until the desired quality measure is achieved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.