Patent · US Expired

Method for identifying unrecognizable characters in optical character recognition machines

US4914709A · kind A · utility

95Cited by
18References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 2, 1989
Grant dateApr 3, 1990
Priority date
Expiry dateJun 2, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06V10/987
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method for identifying a character which cannot be machine read so that the operator may observe and hopefully recognize the character in question. A bit-map video image of the unrecognized character(s) is inserted in the ASCII data line of neighboring characters to create an impression of the original line of text from the document. A data entry operator uses this information to enter the required correct character(s) via the keyboard or other means. This reject/reentry method allows for quick operator response, and minimizes data storage and transmission of video information.

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