Patent · US Expired

Image processing method

US7127108B2 · kind B2 · utility

22Cited by
4References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 18, 2002
Grant dateOct 24, 2006
Priority date
Expiry dateNov 12, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/62
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Each crest-shape distribution region is sectioned in accordance with a value of a color obtained from extracted elements such as hue, saturation and lightness. A characteristic amount at each of a plurality of positions of an image including a designated eye is calculated, on the basis of values of obtained characteristic amounts, an image of a pupil portion is extracted, and red-eye correction processing is carried out.

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