Color image processing apparatus
US5489989A · kind A · utility
9Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1992 |
| Grant date | Feb 6, 1996 |
| Priority date | — |
| Expiry date | Oct 28, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/56
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image processing apparatus, capable of secure color judging regardless of the kind of the original image, is disclosed. The apparatus is provided with color judging means for color judgment from input image data, and background color detection means (CPU) for detecting the background color of the image data, and color judging areas of the color judging means are modified according to the hue, luminocity or saturation of the background color detected by said background color detection means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.