发明公开
- 专利标题： METHODE DE DETECTION ET/OU DE DETERMINATION DE CARACTERISTIQUES LIEES A DES POINTS REMARQUABLES D'UNE IMAGE
- 专利标题（英）： Method for detecting and/or determining characteristics related to remarkable points of an image
- 专利标题（中）： 方法检测并确定设有带打点的图像相关
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申请号： EP98935085.0申请日： 1998-07-02
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公开(公告)号： EP0923764A1公开(公告)日： 1999-06-23
- 发明人: KESKES, Naamen , BAYLOU, Pierre , GUILLON, Sébastien, Appartement 349B, E23
- 申请人： Elf Exploration Production
- 申请人地址： Tour Elf, 2 Place de la Coupole, La Défense 6 92400 Courbevoie FR
- 专利权人： Elf Exploration Production
- 当前专利权人： Elf Exploration Production
- 当前专利权人地址： Tour Elf, 2 Place de la Coupole, La Défense 6 92400 Courbevoie FR
- 代理机构： Levy, David, et al
- 优先权： FR19970008602 19970707
- 国际公布： WO1999003065 19990121
- 主分类号： G01V1
- IPC分类号： G01V1 ; G06T5 ; G06T7
摘要：
The invention concerns a method for detecting and/or determining characteristics related to remarkable points in an image, characterised in that it consists in evaluating the local dip variability of a first point in the image relative to at least another point located in the proximity of said first point, by computing the local anisotropy on said point gradient field, said anisotropy being dependent on terms related to a dispersion of orientations and to the module of gradient vectors, and at least one of said terms is weighted.
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