发明公开
EP2477152A1 IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, IMAGE PROCESSING PROGRAM, AND RECORDING MEDIUM
审中-公开
BILDVERARBEITUNGSVORRICHTUNG,BILDVERARBEITUNGSVERFAHREN,BILDVERARBEITUNGSPROGRAMM UND AUFZEICHNUNGSMEDIUM
- 专利标题: IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, IMAGE PROCESSING PROGRAM, AND RECORDING MEDIUM
- 专利标题(中): BILDVERARBEITUNGSVORRICHTUNG,BILDVERARBEITUNGSVERFAHREN,BILDVERARBEITUNGSPROGRAMM UND AUFZEICHNUNGSMEDIUM
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申请号: EP10824895.6申请日: 2010-10-18
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公开(公告)号: EP2477152A1公开(公告)日: 2012-07-18
- 发明人: ONAI, Rikio , SATO, Tomohiro , MORI, Masaya , SANJO, Masahiro
- 申请人: Rakuten, Inc.
- 申请人地址: 4-12-3, Higashishinagawa Shinagawa-ku Tokyo 140-0002 JP
- 专利权人: Rakuten, Inc.
- 当前专利权人: Rakuten, Inc.
- 当前专利权人地址: 4-12-3, Higashishinagawa Shinagawa-ku Tokyo 140-0002 JP
- 代理机构: HOFFMANN EITLE
- 优先权: JP2009241233 20091020
- 国际公布: WO2011049046 20110428
- 主分类号: G06T3/00
- IPC分类号: G06T3/00 ; H04N1/387 ; H04N5/76
摘要:
There are provided an image processing apparatus, an image processing method and an image processing program for transforming a target image having no contour of straight line portions.
An ellipse El by which the target image is approximated is calculated (S20), a center candidate O A of the target image is decided (S21), a first polygon P1 associated with the ellipse and the center candidate is calculated (S22), a projective transformation matrix for projectively transforming the first polygon into a second polygon P1' associated with an ellipse whose center is a point where the center candidate is projectively transformed is calculated (S23), and the target image is projectively transformed based on the projective transformation matrix to obtain a transformation image (S24).
An ellipse El by which the target image is approximated is calculated (S20), a center candidate O A of the target image is decided (S21), a first polygon P1 associated with the ellipse and the center candidate is calculated (S22), a projective transformation matrix for projectively transforming the first polygon into a second polygon P1' associated with an ellipse whose center is a point where the center candidate is projectively transformed is calculated (S23), and the target image is projectively transformed based on the projective transformation matrix to obtain a transformation image (S24).
公开/授权文献
信息查询
IPC分类:
G | 物理 |
G06 | 计算;推算或计数 |
G06T | 一般的图像数据处理或产生 |
G06T3/00 | 在图像平面内的图形图像转换 |