Patent · US Expired

Pattern evaluation system, pattern evaluation method and program

US7274820B2 · kind B2 · utility

3Cited by
4References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 24, 2002
Grant dateSep 25, 2007
Priority date
Expiry dateMar 25, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06T2207/30148
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

a pattern evaluation system which receives image data of a pattern to be evaluated to evaluate the pattern includes an edge model producing part which produces a pattern edge model and an edge point coordinate detecting part which carries out an image matching processing to an image of the pattern with the pattern edge model to detect coordinates of an edge point of the pattern.

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