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what the different between edge detection and morphologic operations of erosion and dilation,

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primrose khaleed
primrose khaleed 2014 年 5 月 15 日
コメント済み: Image Analyst 2014 年 5 月 16 日
what the different between edge detection and morphologic operations of erosion and dilation,

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Image Analyst
Image Analyst 2014 年 5 月 15 日
Edge detection looks for local differences in gray levels and gives a high signal where there is a high difference.
Morphological dilation is the local max of the image and erosion is the local min of the image when you scan the image with a small window.
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Image Analyst
Image Analyst 2014 年 5 月 16 日
primrose's "Answer" moved here:
thanks......my project is under vehical scanner ...you can see the inage of it https://www.google.com/search?hl=ar&site=imghp&tbm=isch&source=hp&biw=1138&bih=548&q=under+vehical+carrag&oq=under+vehical+carrag&gs_l=img.3...261.10880.0.11499.18.6.0.12.12.0.297.1140.2j1j3.6.0....0...1ac.1.43.img..11.7.566.Xu5wFKvSd4g .....i want to detection the edge...which is the best way : the canny edge or morphologic operations of erosion and dilation.... please help me

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