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How to detect edge or contours for Ultrasound Images?

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Minhaj Nur Alam
Minhaj Nur Alam 2013-6-20
I am working with ultrasound images. The region of interest is detected and i need the edge/contours for lesions. I tried some general techniques such as Sobel, Prewitt, Roberts etc. Any suggestions will be appreciated :)

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回答（1 个）

Image Analyst
Image Analyst 2013-6-23
If, as you say, "region of interest is detected" then you've done the hard part already. Now all you need to do is to call bwboundaries() to get the (x,y) coordinate pairs for the perimeter of your detected ROI(s).
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Minhaj Nur Alam
Minhaj Nur Alam 2013-6-24
actually the contour I need is inside the ROI. The image has a lot of speckle and that's why general functions are not working
Image Analyst
Image Analyst 2013-6-24
Yes, speckle is a common problem with ultrasound images.

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