Posted: 10/17/2016 11:39 PM
Post subject: Poll: Which image looks more realistic?
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Warp
Banned User
Joined: 3/10/2004
Posts: 7698
Location: Finland
For a small project I'm participating in, I would like to poll people on which one of these images looks more realistic. (Click on the image for a larger version.) They have been rendered using slightly different methods. Since I don't think I have the permissions to create polls on this forum (or if I do, I don't know how), you can vote here instead: http://www.strawpoll.me/11451622
Posted: 10/18/2016 6:12 AM
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Bobo_the_King
Player (80)
Joined: 8/5/2007
Posts: 865
Hey, here's something you didn't ask for: The top image is the average of the two images. The bottom is the difference. I think the average looks best, but whatever.
Posted: 10/18/2016 6:28 AM
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Spikestuff
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Honest Answer: Bottom. Issue with both is that the black ball has not been corrected for it. Bottom is more realistic however still needs corrections.
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Posted: 10/18/2016 7:39 AM
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WST
She/Her
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I don’t see much difference, so I voted “Both look equally realistic”.
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Posted: 10/18/2016 10:47 AM
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nfq
Player (94)
Joined: 5/10/2005
Posts: 1204
Voted for the top one. Quite clearly it looks more realistic because it has more reflections and also slightly better shadows. Although reality may not have that much reflections, depending on what material the floor and red ball is made of.
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Posted: 10/18/2016 4:48 PM
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Warp
Banned User
Joined: 3/10/2004
Posts: 7698
Location: Finland
Thanks for your answers. The top image makes color calculations (eg. in surface lighting) in terms of perceived colors (in practice in terms of raw pixel values). In other words, for example, if a surface at some point reflects half of the incoming light, a 100% white light will get reflected as 50% gray (ie. if in terms of pixels, a white pixel being (255, 255, 255), the surface will have a color of half of that, ie. (127, 127, 127).) The bottom image makes such calculations in terms of absolute light energy, rather than perceived brightness. In practice this means that eg. said surface would look approximately as 73% gray (ie. its pixels would be about (186, 186, 186).) It also affects all the other kinds of color calculations (such as color mixing in reflections). In theory the latter should be more physically accurate, so I wanted to see which version unbiased people would think is more realistic.
Posted: 10/19/2016 12:32 AM
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jlun2
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GBA TASer of 2010
The top looks imo more realistic assuming they were glass/metal orbs. The bottom looks more realistic if it were plastic-ish.
LLCoolDave wrote:
This seems to be competing for the "Worst looking TAS of 2011" Award.
Posted: 10/19/2016 1:06 PM
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Demon_Lord
He/Him
Joined: 2/20/2011
Posts: 80
Location: Chicoutimi, Qc, Canada
The shading on the wall in the upper image looks exagerated. I also wonder why there are reflections on the red/white ball in the upper image while they aren't visible in the lower one. How does monitor gamma influence the results?
Posted: 10/19/2016 2:13 PM
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d-feather
He/Him
Joined: 2/12/2015
Posts: 153
Location: Everett, WA
I chose the bottom image, because the shine on the red-and-white ball looked more realistic in that one than it did the other one.
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