Patent · US Expired

Apparatus and method for recognizing unknown patterns

US4752957A · kind A · utility

41Cited by
6References
22Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 7, 1984
Grant dateJun 21, 1988
Priority date
Expiry dateSep 7, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06V10/70
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Pattern recognition of speech or print input signal patterns is done by deforming the input signal (parameter vector pattern) to generate a set of orthonormal input patterns (basis vectors), the set compared with pre-stored reference vector patterns for similarity and recognition. The vector comparison involves matrix formation and dot-product maximum eigenvalue calculations.

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