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1. 发明授权

US06694057B1 Method and apparatus for processing images with curves 有权
标题翻译：用曲线处理图像的方法和装置
公开(公告)号：US06694057B1
公开(公告)日：2004-02-17
申请号：US09492693
申请日：2000-01-27
申请人： Michael I. Miller , Navin Khaneja , Muge Bakircioglu
发明人： Michael I. Miller , Navin Khaneja , Muge Bakircioglu
IPC分类号： G06K946
CPC分类号： G06K9/6204
摘要： A system according to the invention identifies image data points defining a curve. The method comprises the steps of determining a start point and an end point for the curve, establishing a search space that includes at least the start point, the end point, and other image data elements comprising the curve, and searching the search space using a dynamic programming algorithm to locate image data elements corresponding to the curve. Another embodiment consistent with the present invention identifies image data points defining a curve. The method comprises the steps of determining a start point and an end point for the curve, generating a model of the curve, establishing a search space that includes at least the start point, the end point, and other image data elements comprising the curve, and searching the search space using a dynamic programming algorithm and the model for the curve to locate image data elements corresponding to the curve. Yet another embodiment consistent with the present invention matches a first curve to a second curve. The method comprises the steps of identifying a first curve, identifying a second curve, generating a higher order distance measure for comparing the first curve and the second curve, and matching the first curve to the second curve using the higher order distance measure.
摘要翻译：根据本发明的系统识别定义曲线的图像数据点。该方法包括以下步骤：确定曲线的起点和终点，建立至少包括起点，终点和包括曲线的其他图像数据元素的搜索空间，并使用动态编程算法来定位对应于曲线的图像数据元素。与本发明一致的另一实施例识别定义曲线的图像数据点。该方法包括以下步骤：确定曲线的起始点和终点，生成曲线的模型，建立搜索空间，该搜索空间至少包括起始点，终点和包括该曲线的其他图像数据元素，并使用动态规划算法搜索搜索空间，并且用于曲线的模型来定位与该曲线相对应的图像数据元素。符合本发明的另一个实施例将第一曲线与第二曲线相匹配。该方法包括以下步骤：识别第一曲线，识别第二曲线，产生用于比较第一曲线和第二曲线的较高阶距离度量，以及使用较高阶距离度量将第一曲线与第二曲线匹配。

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