Estimating noise for a digital image utilizing updated statistics
US7054501B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2000 |
| Grant date | May 30, 2006 |
| Priority date | — |
| Expiry date | May 15, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V10/30
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of estimating noise in a digital image receiving a digital image; providing a first statistical table related to noise provided by an image source; and using the pixels of the digital image to calculate a second statistical table related to the noise provided by the image source in capturing the image. The method further includes using the first statistical table and the second statistical table to provide an updated third statistical table related to the noise provided by the image source in capturing the image; and calculating a noise characteristic table from the third statistical table for use in enhancing the digital image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.