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 date | Dec 29, 2016 |
| Grant date | Oct 30, 2018 |
| Priority date | — |
| Expiry date | Mar 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.