| 发明名称 |
METHOD AND APPARATUS FOR EXTRACTING SPECIFIC REGION FROM COLOR DOCUMENT IMAGE |
| 摘要 |
A method and apparatus for extracting a specific region from a color document image where the method includes: obtaining a first edge image according to the color document image; acquiring a binary image using non-uniformity of color channels; merging the first edge image and the binary image to obtain a second edge image; and determining the specific region according to the second edge image. The method and apparatus according to the invention can separate a picture region, a half-tone region, and a closed region bound by lines, in the color document image from a normal text region with high precision and robustness. |
| 申请公布号 |
US2016283818(A1) |
申请公布日期 |
2016.09.29 |
| 申请号 |
US201615058752 |
申请日期 |
2016.03.02 |
| 申请人 |
FUJITSU LIMITED |
发明人 |
LIU Wei;FAN Wei;SUN Jun |
| 分类号 |
H04N1/46;G06K9/34;H04N1/04;G06K9/46;G06K9/00 |
主分类号 |
H04N1/46 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method for extracting a specific region from a color document image, the method including:
obtaining a first edge image according to the color document image; acquiring a binary image using non-uniformity of color channels; merging the first edge image and the binary image to obtain a second edge image; and determining the specific region according to the second edge image. |
| 地址 |
Kawasaki JP |
