Patent · US Expired

High dynamic range image editing

US6888552B2 · kind B2 · utility

38Cited by
10References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 10, 2002
Grant dateMay 3, 2005
Priority date
Expiry dateJun 10, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06T2207/20208
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A high dynamic range image editing system for editing an image file having pixels spanning a first range of light intensity levels in an image editing system that only displays differences in the light intensity levels of pixels within a second range of light intensity levels that is less than the first range of light intensity levels, without reducing the range of light intensity levels in the image file.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.