由于遥感图像一般带有较大的噪声，通过实验表明，用传统的边缘检测方法效果不理想。
Experiments indicate that the traditional methods of edge detection are not ideal because of the bigger noise of remote sense image.
试验结果表明，利用SOBEL边缘检测算子进行数字图像的边缘检测和提取其效果比较理想。
The result of experiment indicate that it is relatively effective for SOBEL operator to realize digital image fringe detecting and picking up.
为了得到比较理想的道路图像中车道标识的边缘，文中采用了基于二维直方图熵最大化的车道标识边缘提取方法。
In order to get an ideal lane marks' edge in a road image, this paper USES a method which is based on maximum two-dimension entropy to pick-up lane mark edges.
探索了将神经网络用于焊接熔池图像处理的方法，采用BP神经网络对二值化熔池图像进行边缘提取，取得了理想的效果。
A neural network method was used to process image of welding pool and the result of detecting the edge of binary image with BP neural network was excellent.
模糊技术早已应用于图像边缘检测，但是目前的方法对于复杂景物图像的边缘检测，效果不理想。
Fuzzy method has been used to detect edge, but it is not effective on complex scene image.
基于全变分的彩色图像修复(CTV)模型，可以在保持边缘的同时达到去噪目的，但对纹理较复杂的区域修复效果不理想。
The Color Total Variation (CTV) model can denoise while maintaining the edge of the damaged images, but it should be improved in domains of complicated texture.
为了得到较理想的车道标识线的边缘，考虑车道标识线的方向特性，提出一种基于边缘分布函数(EDF)的图像预处理方法。
In order to get an ideal lane marks' edge, an image preprocessing method based on edge distribution function (EDF) was proposed considering the directional characteristics of lane marks.
实验结果表明 ，检测出图像的边缘结果非常理想。
The experiment presents that the results of edge detection are very good.
实验结果表明 ，检测出图像的边缘结果非常理想。
The experiment presents that the results of edge detection are very good.
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