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[Question #213556]: Similarity / Score

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From: Rideg <question213556@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 07 Nov 2012 11:11:11 -0000
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New question #213556 on Sikuli:
https://answers.launchpad.net/sikuli/+question/213556

What is the similarity or the getScore() computation based on? Is it a pixel by pixel comparison?
I tried comparing two very similar images (basically the same screen but one of them has additional text in a textfield while the other has the textfield empty, and i got a score of ~0.48.
Comparing 2 completely different screens is returning a score of ~0.53.
I am trying to understand why these 2 scores are close while i would have expected a score close to 1 in the first case, and close to 0 in the second case.

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