detect boundary in image which is not a perfect circle
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i am trying to detect a vehicle tyre
my sample image is
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/157644/image.jpeg)
i am using CircularHough_Grd func. it is detecting the inner rim perfectly. as shown below
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/157646/image.jpeg)
but it cannot detect the outer portion as it is not perfectly circular, any suggestions.
1 Comment
Mostafa
on 3 Nov 2016
Starting from the second image, I think you can apply some filters to remove the background and then proceed with the edge detecting from there.
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