Patent · US Active

Determining a material type and/or a surface condition of a workpiece

US10115190B2 · kind B2 · utility

2Cited by
5References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 2016
Grant dateOct 30, 2018
Priority date
Expiry dateMar 14, 2037

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06T2207/30164
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

This disclosure relates to methods and apparatuses for determining a material type and/or a surface condition of a workpiece. A surface of the workpiece is illuminated with illuminating radiation. At least one image of the illuminated surface is recorded. The material type and/or the surface condition of the workpiece is determined on the basis of a statistical analysis of the at least one image converted into a spatial frequency domain.

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