Correcting exposure in a rendered digital image
US6781713B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 20, 1999 |
| Grant date | Aug 24, 2004 |
| Priority date | — |
| Expiry date | May 20, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/4072
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for correcting for exposure in a digital image, including the steps of providing a rendered digital image suitable for display and displaying such digital image; using an adjustable exposure setting to nonlinearly modify the rendered digital image to effect an exposure change and displaying the exposure modified rendered digital image; and iteratively changing the adjustable exposure setting in accordance with the nonlinear function to continuously change the exposure setting and display modified digital images until a desired exposure modified rendered digital image is displayed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.