Reading machine with camera polarizer layers
US7949245B2 · kind B2 · utility
3Cited by
2References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2007 |
| Grant date | May 24, 2011 |
| Priority date | — |
| Expiry date | Jun 23, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/28
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A reading machine includes an image input device including a lens and a polarizer disposed over the lens, a flash and a second polarizer disposed over the flash. The image input device also includes a computing device coupled to the image input device for capturing images, the computing device, including a processor to execute instructions and a computer program product residing on a computer readable medium, the computer program product comprising instructions for causing the processor to process the captured images to recognize features in the captured images.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.