Image processing for improvement of color registration in digital images
US6870564B1 · kind B1 · utility
30Cited by
9References
35Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 28, 1999 |
| Grant date | Mar 22, 2005 |
| Priority date | — |
| Expiry date | Sep 28, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/611
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for improving the wavelength dependent registration of digital images includes the steps of (a) detecting a similar feature in two or more digital records of the same scene, (b) determining from the feature a shift due to misregistration of at least one of the digital records relative to another of the digital records, and (c) processing the shifted digital record(s) with a digital filter having a phase response that compensates for the shift, thereby providing a correction for the wavelength dependent misregistration between the digital records.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.