How can I remove the circles(different colours) from the dermoscopic image?
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My dataset contains a variety of noise. One noise is in the form of different shapes(circles) of different sizes and colors at different locations. How can I remove them? Please give me some guidelines or some hints/code from where to start. Please see the attached image. I will be really thankful
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/167782/image.png)
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回答 (2 件)
Selva Karna
2017 年 10 月 7 日
first separate region based object, after that apply contour , further apply binary selection .
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Image Analyst
2017 年 10 月 7 日
What I'd do is to threshold the saturation channel since the colored circles have much higher saturation than the skin. Attached is a demo.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/178552/image.png)
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