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gradient edge operator [计] 梯度边界算子
Compared with the picture edge classical edge operator, the new one is clearer and more intact. 文中算法检测出的图像边缘与经典边缘算子提取的图像边缘相比较,结果更加清晰完整。
But if there is much noise, the result of classical edge operator is unsatisfactory. 但是在处理噪音较大的图像时，经典算子就难以满足要求了。
And then to the grid for the data unit, in the larger scale use Sobel edge operator. 然后以网格为数据单元，在较大尺度上运用Sobel算子得到图像边缘。
EdgeGlow--- Finds edges in the input image using Sobel or Gradient edge detection routines. 边界光晕,?使用Sobel或渐变边界检测的方法找到给出图像的边界。
Then, the canny edge operator isapplied to extract the edge of objects in image. 然后对图像进行边缘检测,提取有用的物体边缘信息;
In this paper, an interpolatory edge operator is proposed to deal with image texture extraction as a supplement to ordinary edge operators. 作为对传统边缘算法的补充，这里提出了用于图像特征提取的细微边缘检测算法。
A Multilayer-masks Edge Operator for Thermal Images 一种热图像的多模板边缘检测方法
Applicable to the over edging operation over thin, moderate and thick fabrics. 本系列机型适用于各种薄料、中厚料织物的包边或包缝作业。
The factory is situated on the edge of the town. 这座工厂坐落在该城的边上。
The hotel is situated at the edge of the town. 该饭店坐落于市区的边缘。
The plates and bowls have a gilt edge. 这些盘子和碗镀有金边。
He is all on edge to have a look at it. 他急于想看一看那个东西。
She was a bit on edge till she heard he was safe. 她听到他安然无恙才放下心来。
John ran to the edge of the lake and plunged in. 约翰跑到湖边，跑进了水里。
That long walk has put an edge on my appetite. 长距离的步行后使我食欲大增。
Please sharpen the edge of this axe. 请把这把斧头的刃磨快。
The edge must be machined to 0.02 millimeters. 这边缘必须切割到0.;02毫米的精密度。
Loosely, a mathematical or logic operator. 不严格地说，一种数学或逻辑运算符。
That store operator ripped me off. 那个商店的营业员把我骗了。