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英语翻译Limitations of the border tracking algorithm.The border

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英语翻译
Limitations of the border tracking algorithm.
The border tracking algorithm makes certain assumptions about the regions that it is tracking.Under what conditions could it fail to properly identify the border of a region?
Figure 10.15:(Top left) Image of headlight of a black car;(top center)results of Canny operator with a=1;(top right)results of canny operator with a=4;(bottom left)image of car wheel;(bottom center)results of canny operator with a=1;(bottom right)results of roberts operator.Note in the top row how specular reflection at the top left distracts the edge detector from the boundary of the chrome headlight rim.In the bottom row,note how the shadow of the car connects to the tire which connects to the fender:neither the tire nor the spokes are detected well.
The canny edge detector and linker
The canny edge detector and linker extracts boundary segments of an intensity image.It was briefly introduced in Chapter 5 along with other edge detectors.
大哥 翻译的最起码要顺吧
边界跟踪算法的局限性
边界跟踪算法是对正在进行跟踪的区域假设做出正确的判断( 比如指导“爬虫”法的下一步该怎么走,此句在此也只能这样翻译了).在什么情况下它对区域边界不能做出精确识别呢?
如图10.15所示:
(上左图)一辆黑色汽车的前灯图像;
(上中图)在a=1时的Canny 算子的检测结果;
(上右图)在a=4时的Canny 算子的检测结果;
(下左图)汽车轮毂图像;
(下中图)在a=1时的Canny 算子的检测结果;
(下右图)roberts算子的检测结果.
在上一行图像中请注意,上左图中的表面反射为何导致边缘检测器在提取铬质前灯边缘时失败.
在下一行图像中请注意,为何检测出来的结果(阴影部分)是车身、轮胎以及挡泥板的连通区域,轮胎和轮辐都检测得不理想.
canny边缘检测器及其插件
canny边缘检测器及其插件主要用于对一幅灰度图像进行分割及边缘提取.在第五章中将对它以及其它边缘检测器进行简要介绍.
翻译的不好,掺入了点自己的理解,
ps:如果有那些图的话,可能翻译起来会好些.