Three dimension measurement method, three dimension measurement program and robot device
US9292932B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 29, 2012 |
| Grant date | Mar 22, 2016 |
| Priority date | — |
| Expiry date | Mar 25, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S901/47
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A three-dimensional measurement method three-dimensionally restores an edge having a cross angle close to parallel to an epipolar line. Edges e2L, e3L and e4L on the same plane of a work are selected, and among these edges, at least two edges e2L and e4L residing in a predetermined angle range with reference to the cross angle of 90° crossing the epipolar line are three-dimensionally restored by a stereo method. Then, a three-dimensional plane P1 including these three-dimensionally restored e2L and e4L is found, and the edge e3L residing beyond a predetermined angle range with reference to the cross angle of 90° crossing the epipolar line is projected to this three-dimensional plane P1, thus three-dimensionally restoring the edge e3L.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.