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Re: [Question #202419]: Weird rsults for the same image comparison using sikuli

To: sikuli-driver@xxxxxxxxxxxxxxxxxxx
From: RaiMan <question202419@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 09 Jul 2012 10:51:06 -0000
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Question #202419 on Sikuli changed:
https://answers.launchpad.net/sikuli/+question/202419

    Status: Open => Answered

RaiMan proposed the following answer:
-- yes the methods used internally to find an image or a pattern are the
same

-- same image different browsers
since the browsers use different rendering engines (Safari/Chrome - webkit, FF - native, IE - native, ...) there might be differences on the pixel level especially with css-styled GUI elements (e.g. a button with css-styled border and shadow) with the same GUI-element in different browsers.
Soit might well be, that an image taken in IE does not match at all (similarity does not matter here really), because of major pixel-based references.
I once evaluated such a case, by taking a shot of the same element in different browsers and comparing the pixels visually with an image viewer magnified, so each pixel was visible.

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