Paris

by Jon

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430 reputation
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bio website 8164.org
location Raleigh, NC
age 38
visits member for 4 years, 2 months
seen Feb 10 at 1:22

I design stuff for Stack Exchange. Also a professional bacon eater.

blog: 8164.org

twitter: @jzy


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comment How can I tell exactly what changed between two images?
I'm just curious, with your method, how would you get an accurate representation of the difference between a 100% vs 70%, and 100% vs 40%? It seems you're just eyeballing until the difference is obvious.
May
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comment How can I tell exactly what changed between two images?
@cabbey if you're asking for a pure bit-wise operation of the difference between the 2 images, then "Difference" blending mode alone gives you that. When you adjust threshold/curve, though the result is more obvious to the naked eye, but it's not an accurate representation of what has changed. When do you that, you're not longer comparing a 100% to a 95%.
May
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comment How can I tell exactly what changed between two images?
@cabbey sure, comparing 100% to 95% you most likely will get a solid black. But that's what your question was asking isn't it? In your owner answer, you're changing the values from the originals being compared, which makes them no longer having the original compression settings.
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answered How can I tell exactly what changed between two images?
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answered Which photographer do you find inspirational?
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