Detection and/or correction of suppressed signal defects in moving images
US7710472B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 1, 2006 |
| Grant date | May 4, 2010 |
| Priority date | — |
| Expiry date | Nov 14, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/68
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Techniques are described for detecting a vertical line artifact in an image captured with a digital camera. The vertical line artifact may be caused by a defect in the digital camera. Techniques also are described for correcting a vertical line artifact in an image captured with a digital camera. It may be determined that the vertical line artifact includes at least one pixel in the vertical line having a non-zero suppressed signal. A value for the pixel having the non-zero suppressed signal may be determined. A statistically-based correction may be applied to the pixel having the non-zero suppressed signal based on the determination that the pixel has a non-zero suppressed signal and the determined value of the pixel. The image may be a portion of a movie stored on a DVD.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.