how to detect only fish image object and remove all the other object from the image?
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i wrote a program to detect all the object in the image. but i want to detect only the fish image and other objects are set to black or white? please help me
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/160370/image.png)
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Image Analyst
on 3 Feb 2017
If you have a video, why don't you look for things that move between frames. You can threshold the optical flow or something.
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Miguel Capelo
on 25 Aug 2020
Can you explain it better @Image Analyst ?
I have a question here:
Image Analyst
on 25 Aug 2020
Miguel, see my Image Segmentation Tutorial if you want a tutorial on how to find and measure blobs (such as fish) in an image via thresholding.
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