Automated inspection of a printed image
US8867796B2 · kind B2 · utility
9Cited by
18References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2010 |
| Grant date | Oct 21, 2014 |
| Priority date | — |
| Expiry date | Aug 16, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/40068
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Automated inspection method for detecting a defect in a printed image, comprising processing a raster image, sending the raster image to a print process, printing a printed image corresponding to the raster image onto a medium, capturing a target image from at least a part of the printed image at a lower resolution than the printed image, at least in a medium moving direction, converting at least a part of the raster image to a reference image, and comparing the reference image to the target image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.