Method and apparatus for generating color image mask
US5659490A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 6, 1995 |
| Grant date | Aug 19, 1997 |
| Priority date | — |
| Expiry date | Jun 6, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T11/001
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A subject color and a non-subject color of a mask is specified, and a first color vector representing the subject color and a second color vector representing the non-subject color are determined. A third color vector is set to be linearly independent of the first and second color vectors. First through third coefficients are then determined for the first through third color vectors. Bit map data representing the distribution of the first coefficient is binarized to give binary mask data representing a mask. A mask area and a non-mask area are distinguishably displayed in the color image. Accordingly, the present invention will produce a mask area whose color is close to the subject color while excluding the non-subject color.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.