“Sobel operator”的概念、定义、翻译、参考文献-科学参考

单词	Sobel operator
释义	Sobel operator Encyclopedia 理学边缘检测释 Sobel operatorSobel算子一种用于边缘检测的差分算子。它的基本思想是对图像中的每一个点，使用3×3邻域分别计算其水平、垂直两个方向上的差分，再结合事先定义好的阈值确定特征点和边缘方向。
随便看	geographic information service description geographic information service discovery geographic information service registration geographic information service workflow geographic information sharing geographic information standard geographic information system geographic information system software geographic information system visualization geographic information technique geographic information visualization geographic information Web service geographic knowledge geographic landscape geographic latitude geographic literature geographic longitude geographic map geographic markup language geographic markup language, GML geographic meridian geographic mosaic theory of coevolution geographic network analysis geographic position geographic profiling of crime

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