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Binarizing images of similar background and object color?

Arim Gwon, Where do you work?
Posted 3 years ago
POSTED BY: Arim Gwon
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Hi Arim

Not sure about your question, but you can use

ColorNegate[ ]

in case you just want to reverse black/white. Otherwise you need to be more specific, example, ...

Robert
POSTED BY: Robert Nowak

Oh, thank you so much! :)
POSTED BY: Arim Gwon 
img // With[{r = 3}, (Closing[#, 10 r] &)@*(Opening[#1, 2 r] &)@*(GradientFilter[#, 6 r] &)] // Binarize // img # &

I am afraid that it will be very difficult to process similar images with the same set of filter parameters. So far the parameters are just a result of trial & error.

Robert
POSTED BY: Robert Nowak

If you use it in a similar image, let's adjust the parameters! Thank you for your advice.
POSTED BY: Arim Gwon

Hello, Is it possible for an additional binarized image to reverse the current object with a white background? (The object is black background of white)
POSTED BY: Arim Gwon

Hi, if you want the original image without background then just multiply with the binary mask.
POSTED BY: Robert Nowak
POSTED BY: Arim Gwon
POSTED BY: Robert Nowak
POSTED BY: Arim Gwon
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