How can I implement auto threshold into my code rather than defining the threshold for each image?

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engineer 2018-5-22

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https://ww2.mathworks.cn/matlabcentral/answers/401916-how-can-i-implement-auto-threshold-into-my-code-rather-than-defining-the-threshold-for-each-image

评论： Ameer Hamza 2018-5-22

Hi everyone. I would like to implement auto-thresholding into my Matlab code as I don't want to define manually for each image. For example, I define my threshold like; binaryImage = myinput <0.7; Is there any way to find the best threshold automatically and use that threshold for images I have.

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Ameer Hamza 2018-5-22

编辑：Ameer Hamza 2018-5-22

It will be possible most probably. But first, you need to define best threshold. How do you measure whether a specific threshold is best or not?

engineer 2018-5-22

I find the best threshold by trial and error. The best threshold for me is that the background pixel is fully black (0) and the object's pixel is fully white (0).

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