Method and apparatus for inputting three-dimensional data
US6411918B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1999 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Dec 7, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B11/2545
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A three-dimensional data input apparatus has a first and a second modes. In the first mode, images of an object are taken from two view points being apart from each other, the position of the object is calculated with high accuracy in accordance with the distance between the view points and the directions from each view point to the irradiated part of the object by the method of triangulation, and the calculated data or the data for calculation is output. In the second mode, the position of a part of the object is calculated in accordance with the irradiation angle and the reception angle in the same way as the conventional method of triangulation. In the first mode that does not use the irradiation angle information for calculating the position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.