Image processing systems and methods
US11494882B2 · kind B2 · utility
0Cited by
3References
18Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 10, 2019 |
| Grant date | Nov 8, 2022 |
| Priority date | — |
| Expiry date | Dec 10, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/20081
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An image capture system comprises a camera configured to capture an image of a whiteboard, or similar, viewed from an acute angle. A linear polarizer has a surface substantially perpendicular to a plane of the board and an axis of polarization substantially perpendicular to the plane of the board or within 30° of the perpendicular to the plane of the board. The camera is configured to capture the image of the board through the polarizer. A normal to the polarizer is directed in a different direction to a direction defined by an optic axis of the camera.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.