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[Question #699722]: Advanced image comparison

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From: sergio <question699722@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 02 Dec 2021 14:41:02 -0000
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New question #699722 on SikuliX:
https://answers.launchpad.net/sikuli/+question/699722

Hi guys!

I have a problem using the default image comparison to detect a image on the screen!
Its a kind of antibot captcha system.
The problem is that the image changes its pixels just like an old television with noise and sikuli cant find the image! The background changes too!

Here is the sample image: https://imgur.com/ika5TGZ

So is there any way to use opencv filters or something else on the image captured on the screen to normalize this image just like a gaussian blur or a threshold, maybe convert it to grayscale, anything like that, or use any other way to detect the image like contours, etc.

some toughts?

Tks!

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