Patent · US Expired

Correcting exposure in a rendered digital image

US6781713B1 · kind B1 · utility

8Cited by
8References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 20, 1999
Grant dateAug 24, 2004
Priority date
Expiry dateMay 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.