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一种计算图像几何矩的快速算法 被引量:1

AN EFFICIENT ALGORITHM FOR GEOMETRY MOMENT COMPUTATION
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摘要 提出了一种计算图像几何矩的快速算法。根据图像区域边界的顶点链码,给出了图像几何矩的计算公式。该算法可以看作是格林理论的离散版本的一个推广,对低阶几何矩,算法的复杂度为O(n)。与原有的几何矩算法比较,该方法具有实现简单、计算量小、计算结果精确等优点。 An efficient algorithm for geometry moment computation is proposed. According to the vertex chain codes of image boundary, the geometry moment formula of image is given. This algorithm is an extension of the discrete version of greens theorem. The complication of algorithm is 0 (n) for low level geometry moment. Compared with the old algorithms, the algorithm is of easy operation, little computation, and precise result.
作者 陈优广 陈芳
出处 《计算机应用与软件》 CSCD 北大核心 2007年第11期172-173,194,共3页 Computer Applications and Software
关键词 像素顶点 顶点链码 几何矩 方向链码 Pixel vertex Vertex chain code Geometry moment Direction chain code
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参考文献10

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二级参考文献5

共引文献30

同被引文献18

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