Detect circles by color

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Misha Patel
Misha Patel 2017-7-3
回答： Image Analyst 2017-7-3
I am using 'imfindcircles' to detect bright circles but I am trying to refine it so that it will filter out green coloured circles. Is this possible?
Thank you
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Misha Patel
Misha Patel 2017-7-3
The issue arises when the function begins to detect 'circles' around the object due to varous curves. I want it to only detect the yellow/green circles. I have already adjusted the sensitivity and cannot change it more without it stopping detecting certain markers. Thanks

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Image Analyst
Image Analyst 2017-7-3
See the Color Thresholder on the Apps tab of the tool ribbon.
See my File Exchange for a few color segmentation demos.
See the attached zip file where I track a green Sharpie.

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