Fringe projection for in-line inspection
US11686573B2 · kind B2 · utility
0Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2016 |
| Grant date | Jun 27, 2023 |
| Priority date | — |
| Expiry date | Sep 29, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30164
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A structured light pattern comprising at least two sub-patterns in the direction of motion are projected onto an object during in-line inspection. Images of the object are captured for each sub-pattern. The sub-patterns are used to establish correspondence and to construct a profile using dense per pixel camera-projection correspondence.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.