Patent · US Expired

System and method for automatic descreening of digital images

US7148998B2 · kind B2 · utility

3Cited by
14References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 31, 2002
Grant dateDec 12, 2006
Priority date
Expiry dateFeb 19, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/40075
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A system and method for automatic descreening of a digital image is disclosed. The method comprises automatically detecting, prior to a final scan of the document, the presence of a predefined visual artifact in a sample region of an image of the document being scanned; performing the final scan of the document to obtain the digital image; and automatically descreening the digital image to obtain a final digital image of the document in response to the automatic detection of the predefined visual artifact.

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