Patent · US Expired

Apparatus for recognizing alphanumeric characters

US6363171B1 · kind B1 · utility

4Cited by
10References
31Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 13, 1995
Grant dateMar 26, 2002
Priority date
Expiry dateJan 13, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F18/254
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An alphanumeric character image recognition system includes a first stage comprising at least a first, second and third digital image signal processing network having each at least one input terminal and at least one output terminal and said networks being designed to process image information from digital image signals, and comprising at least a first, second and third memory register having each at least one input terminal and at least one output terminal and the input terminals of the first, second and third memory registers being connected to the output terminal of the first network, the output of the second network and the output terminal of the third network respectively and said memory registers being designed to contain the image information processed by the first, second and third digital image signal processing networks, and a second stage characterized in that said second stage comprises at least one first and one second classifier network having each at least one first and one second input terminal and a plurality of output terminals, the first input terminal of the first classifier network being connected to the output terminal of the first memory register and the seco…

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