Method and apparatus for performing color transformations using a reference image combined with a color tracer
US5583665A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1995 |
| Grant date | Dec 10, 1996 |
| Priority date | — |
| Expiry date | Feb 13, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/622
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system that combines a reference color image with a color move tracer image creating a combined image capable of being edited as desired by the operator and one which records the actual color edits made on the reference image. The tracer is a color grid that represents the domain of colors in a specified color space encoding. The grid is converted into a color edit transform table and the color edits within the color space on a higher resolution version of the reference image, or on other images, can be performed using a table look-up operation. The invention can also be used to capture effects transforms that modify the input/output and/or screen display of an image without necessarily modifying the original image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.