identify car tyre from an image and outline it.

i am atempting to identify circular tyre on side view of car. i.e. 1 front tyre and one rear. See image

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i tried to identify tyres using imfindcircles() changed its parameters but was unable to see any desired result.

any other algorithm that i should be using.

Also my image can change in order to give more light on tyres in order to distinguish between black tyre and fender.

Answer 1

[Image Analyst]

You can try to implement this paper: https://www.ecse.rpi.edu/homepages/qji/Papers/ellipse_det_icpr02.pdf

I can't do it for you but if you have trouble with the code you have developed, post it and we'll see if we can fix it.