Patent · US Active

Document unbending and recoloring systems and methods

US9495587B2 · kind B2 · utility

6Cited by
10References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 21, 2013
Grant dateNov 15, 2016
Priority date
Expiry dateJan 15, 2035

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06V10/247
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

According to one aspect, a system for processing a document image is disclosed. In an exemplary embodiment, the system includes an edge-detection unit configured to identify an edge of a document from a document image. The system also includes a keystone-correction unit and a flattening unit. The keystone-correction unit is configured to correct keystone distortion in the document image. The flattening unit is configured to flatten content of the document in the document image.

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