Multiple color channel multiple regression predictor
US9386313B2 · kind B2 · utility
3Cited by
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15Claims
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Key dates
| Filing date | May 21, 2014 |
| Grant date | Jul 5, 2016 |
| Priority date | — |
| Expiry date | May 21, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/98
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Inter-color image prediction is based on multi-channel multiple regression (MMR) models. Image prediction is applied to the efficient coding of images and video signals of high dynamic range. MMR models may include first order parameters, second order parameters, and crosspixel parameters. MMR models using extension parameters incorporating neighbor pixel relations are also presented. Using minimum means-square error criteria, closed form solutions for the prediction parameters are presented for a variety of MMR models.
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