Verfahren und Systeme zur Erkennung von Infrarotsicherheitsmarkierungen, die in einem Dokument Eingebettet Sind

Details

Veröffentlichungs-Nr.

EP4734085

Anmeldetag

9. Oktober 2025

Veröffentlichung

29. April 2026

Rechtsraum

EP

Abstract

Methods and systems for detecting one or more infrared (IR) security marks embedded in a document include receiving a document including one or more regions of interest (ROIs), wherein the ROIs correspond to pre-defined locations in the document. Thereafter, the ROIs are processed to generate a plurality of arrays of counters corresponding to each ROI. Once generated, the plurality of arrays of counters are analyzed to identify a plurality of transition points corresponding to each ROI including the IR security mark. Thereafter, the transition points are used to calculated the size of the one or more IR security marks. Then, the calculated size is compared with the one or more IR security marks with a pre-defined size and, based on the comparison, the one or more IR security mark embedded in the document are detected for further analysis.

Anmelder

Firma

Xerox Corporation

Land

🇺🇸 USA