发明公开
EP0532823A2 Method and apparatus for detecting the contour and separating a given subject from an image
失效
方法和装置用于边缘检测和从图像中给定对象的分离。
- 专利标题： Method and apparatus for detecting the contour and separating a given subject from an image
- 专利标题（中）： 方法和装置用于边缘检测和从图像中给定对象的分离。
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申请号： EP92102774.4申请日： 1992-02-19
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公开(公告)号： EP0532823A2公开(公告)日： 1993-03-24
- 发明人: Ikezawa, Mitsuru , Miyatake, Takafumi, Hitachi Koyasudai Apato A204 , Ueda, Hirotada , Sumino, Shigeo , Yoshizawa, Satoshi
- 申请人： INSTITUTE FOR PERSONALIZED INFORMATION ENVIRONMENT
- 申请人地址： 17-1, Toranomon-1-chome Minato-ku, Tokyo 105 JP
- 专利权人： INSTITUTE FOR PERSONALIZED INFORMATION ENVIRONMENT
- 当前专利权人： INSTITUTE FOR PERSONALIZED INFORMATION ENVIRONMENT
- 当前专利权人地址： 17-1, Toranomon-1-chome Minato-ku, Tokyo 105 JP
- 代理机构： Strehl Schübel-Hopf Groening & Partner
- 优先权： JP237899/91 19910918
- 主分类号： G06F15/68
- IPC分类号： G06F15/68
摘要：
A method for detecting a countour of a given subject to be separated from images and an image separating system. First, a plurality of candidate points (110...120) which have been input by a user are displayed on a screen. A smooth curve (100) which connects the plurality of candidate points is determined and is displayed on a display apparatus (Fig. 4A). The intensity of light on a straight line (130) extending in a direction normal to each candidate point is determined (Fig. 4B). The position of the candidate point is corrected based upon the rate of change in the intensity of light which is determined for each candidate point. A smooth curve (101, 102) which passes the corrected points is determined and is displayed on the display apparatus (Figs. 4C, 4D).
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