Patent · US Expired

Perceived color transient improvement

US6008862A · kind A · utility

14Cited by
16References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 10, 1997
Grant dateDec 28, 1999
Priority date
Expiry dateSep 10, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N9/646
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

In a method of obtaining an improved perceived color transient, an artificial transient signal is inserted (50) into a luminance signal (Yin) when it is detected (10, 20, 30) that there is an edge in a chrominance signal (Cin) in the absence of an edge in the luminance signal (Yin).

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