Patent · US Active

Method and device for the correction of the brightness of a raw image generated by a sensor matrix

US7714914B2 · kind B2 · utility

0Cited by

7References

19Claims

0Family size

Assignee

SICK AG · DE

Inventors

Jurgen Reichenbach · Emmendingen, DE
Carl Hafner · Emmendingen, DE
Ulrich ZWÖLFER · Waldkirch, DE

Key dates

Filing date	Jan 2, 2007
Grant date	May 11, 2010
Priority date	—
Expiry date	Jul 21, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH04N25/61
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

The invention relates to a method for the correction of the brightness of a raw image generated by a sensor matrix, in which an intensity matching is carried out at picture elements defined by a line coordinate and a column coordinate and at least one intensity value. The intensity matching comprises the application to the intensity values of the picture elements to be corrected of two intensity corrections independent of one another, in dependence on the line coordinate, on the one hand, and in dependence on the column coordinate, on the other hand. The invention furthermore relates to an optoelectronic sensor comprising a correction device. This correction device is matched to carry out the initially described intensity matching.

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