How to identify object inside an image and find its position in that image
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I have 3 circles of same size with colours yellow blue and red inside the image.I would like to identify coloured circles inside an image and get their positions in terms of x and y coordinates.
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Matt Kindig
on 29 May 2013
Post the image to the web somewhere (e.g. tinypic.com), and post the link to it here. That will help us give you specific information.
Answers (2)
Image Analyst
on 29 May 2013
See my Image Segmentation Tutorial: BlobsDemo - it does that using the standard coins demo. There is also a Mathworks demo on Steve's blog using imfindcircle: http://blogs.mathworks.com/steve/2012/09/04/detecting-circular-objects-in-images/
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Anand
on 29 May 2013
I think this blog post by Steve Eddins should be directly relevant to what you're trying to achieve:
2 Comments
Haseeb Hassan
on 3 Oct 2017
If i want to to detect humans and want to find there coordinates in gray image then what should i do.
Image Analyst
on 3 Oct 2017
See "Multiple Object Tracking Framework" on this page: https://www.mathworks.com/products/computer-vision/features.html#object-tracking-and-motion-estimation
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