Patent · US Expired

Method for analyzing the color deviations in images using an image sensor

US7609878B2 · kind B2 · utility

2Cited by

8References

14Claims

0Family size

Assignee

KOENIG & BAUER AG · DE

Inventors

Volker Lohweg · Bielefeld, DE
Harald Heinrich Willeke · Paderborn, DE

Key dates

Filing date	Jun 27, 2003
Grant date	Oct 27, 2009
Priority date	—
Expiry date	Apr 29, 2025

Classification

Technology area (CPC G)Physics
CPC primaryG01J3/465
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Color deviations of images are analyzed using a sensor. The received image sensor signal is analyzed pixel by pixel. An image sensor signal is produced for each color channel from a plurality of color channels. An image sensor signal from a first channel, and one from a second channel, are combined. An output signal of a first color contrast channel is generated. Now an image sensor signal from a third channel is combined with the ones from the first and second image sensors. An output signal of a second color contrast channel is generated. The outputs of these color contrast channels are classified.

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