Scanning two images of media
US8179573B2 · kind B2 · utility
1Cited by
22References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2004 |
| Grant date | May 15, 2012 |
| Priority date | — |
| Expiry date | Feb 10, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/4095
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In one implementation, a method scans a media to provide a first image and a second image. The method further subtracts the first image from the second image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.