Method and apparatus for calibrating a camera-based whiteboard scanner
US7657117B2 · kind B2 · utility
3Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2004 |
| Grant date | Feb 2, 2010 |
| Priority date | — |
| Expiry date | Feb 13, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G3/002
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In accordance with one aspect of the present exemplary embodiments, a calibration arrangement is configured to assist in calibration of a surface scanning system where the calibration arrangement includes a preconfigured physical object which may embody dimensional information wherein the dimensional information is used to calibrate a surface of the scanning system. In an alternative embodiment, the preconfigured physical object is configured to obtain data for use in calibration of the surface of a pan/tilt surface scanning system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.