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| 04:02 | troy_s | Bertl: Greets Herbie.
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| 04:08 | Bertl | nice article
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| 04:59 | troy_s | Bertl: Well hopefully it's a step.
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| 05:00 | Bertl | yes, I hope many more will follow!
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| 05:00 | troy_s | Bertl: Would be nicer if more artists gave a flying fsck about color, given that with visual art, it is everything.
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| 05:00 | troy_s | (Frightening how few really understand what the hell is going on. I'm not exaggerating when I say that I don't believe many artists are even aware what RGB does. It simply isn't a question you ask when you "grow up with it.")
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| 05:00 | troy_s | #thedress
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| 05:01 | Bertl | I see it like this: for years, making CG films was something which required artists with deep rendering know how and a truckload of special equippment
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| 05:02 | Bertl | with the advance of technology, it becomes simpler, and artists who know little to nothing about CG can render films
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| 05:02 | Bertl | whether this is a good or bad thing depends on the perspective
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| 05:03 | Bertl | it's not so much different with color, although more subtle to understand
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| 05:04 | troy_s | Bertl: Part of the issue I believe is the invisibility of Blinn's law.
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| 05:05 | troy_s | Computing has sort of progressed dramatically while maintaining a rather false appearance of not-having-moved.
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| 05:06 | troy_s | For example, imaging in feature films went from 8 bit to 10 bit to 32 bit float etc., yet the base sort of âlookâ of the applications has often appeared almost identical.
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| 05:06 | troy_s | With things like Photoshop, a horrible legacy mess, artists haven't been exposed to alternate models because well... It is as though Photoshop formed the truth merely by ubiquity.
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| 05:08 | Bertl | that's the main problem of monopoly or as it is often called "state of the art" :)
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| 05:11 | Bertl | but I agree regarding "invisible" advances
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| 05:11 | troy_s | I think artists have used RGB for so long that what they are actually manipulating becomes skewed accordingly.
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| 05:12 | troy_s | For example, a common refrain when one asks what happens when you slide the green slider is âIt makes the color more green.â
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| 05:12 | Bertl | same is true for the print folks with CMYK, which is even more weird :)
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| 05:13 | troy_s | Which is somewhat of a complex mangling of what it actually does. In essence, all it really does is increase the green light's intensity, yet it _does seem_ to make a mixed color more green.
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| 05:13 | troy_s | Even odder given that subtractive color is logarithmic. :)
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| 05:13 | troy_s | (Little nuance that sort of blindsided me.)
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| 06:32 | Bertl | off to bed now ... have a good one everyone
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| 14:19 | troy_s | Morn all.
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| 14:22 | Bertl_oO | morning troy_s!
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| 17:02 | Bertl_oO | evening se6astian!
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| 17:04 | se6astian | good evening
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| 17:28 | troy_s | se6astian: Greets.
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| 17:30 | se6astian | just started reading your article draft
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| 19:10 | MatthiasF | troy_s: Hello! you might also be interested in https://wiki.apertus.org/index.php?title=Noise_Reduction
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| 19:11 | troy_s | MatthiasF: Hacking away I see. ;)
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| 19:11 | troy_s | MatthiasF: Get back to the demosaicing damn you!
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| 19:11 | MatthiasF | Well, so long I find no PhD position I have plenty of free time ;)
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| 19:12 | troy_s | MatthiasF: I might suggest that for visualization that you adjust the transfer curve to normalize against the display referred value set.
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| 19:14 | se6astian | troy_s: finished reading article, amazing work!
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| 19:14 | se6astian | lets throw in a few images and its ready to roll!
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| 19:14 | troy_s | I think you bring up a good point on the XYZ
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| 19:14 | troy_s | In terms of visualizations
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| 19:15 | troy_s | But I was constantly walking the "is this too much" line.
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| 19:15 | troy_s | I hate walls of text, and try desperately to avoid them; I would rather see several more nuanced explanations than one massive vomment.
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| 19:15 | troy_s | se6astian: You met MatthiasF?
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| 19:16 | troy_s | Damn brilliant mind working on his PhD in mathematics in signal theory. Heavy hitter if you manage to coax him into staying around.
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| 19:17 | troy_s | He introduced me to the cubic prefilter resampling routine, and has since explained the Sinc and Lanczos forms more thoroughly.
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| 19:17 | se6astian | not personally met, but we are chatting intensly :)
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| 19:17 | troy_s | He is damn brilliant.
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| 19:17 | se6astian | wonderful :)
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| 19:17 | troy_s | I tried to coax him to idle here.
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| 19:18 | troy_s | Made me feel good too as I actually found a field he wasn't familiar with (color) which made me feel human.
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| 19:18 | troy_s | Shhh there he is.
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| 19:19 | se6astian | :)
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| 19:19 | MatthiasF | I need a clean signal to for proper interpolation benchmarking
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| 19:19 | MatthiasF | And I need a better Wifi signal also !
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| 19:19 | MatthiasF | I suspect LTE interference
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| 19:19 | troy_s | ?
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| 19:19 | troy_s | What do you mean by clean signal?
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| 19:19 | MatthiasF | without noise
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| 19:20 | troy_s | Well that is probably going to be a huge winding road.
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| 19:20 | MatthiasF | not too much at least
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| 19:20 | troy_s | Solve that Gordian knot and the Academy will line up to give you a technical achievement paper.
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| 19:21 | MatthiasF | heh, I only want to get rid of that strong DSPN noise
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| 19:21 | troy_s | se6astian: I wonder what the most cost effective spectrophotometer would be. I was thinking for the actual profiling it might be wise to make a light box.
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| 19:22 | troy_s | To generate high luminance samples in the green / yellows to really nail down the gamut of the sensor once the camera drops.
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| 19:22 | se6astian | lets ask google
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| 19:22 | troy_s | I know the Kleins are well respected
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| 19:23 | troy_s | But they are colorimeters
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| 19:23 | se6astian | I recently saw a sekonic spectrometer for 1700â¬
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| 19:23 | MatthiasF | troy_s: btw, to be clear, I'm not working on any PhD for now, I am looking for one ;)
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| 19:23 | troy_s | As such, they rely on the same filter based approach as any other tri-color array. Sub optimal for the sorts of zones we are heading.
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| 19:24 | troy_s | MatthiasF: Good luck with that. You are clearly not well equipped for such an effort.
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| 19:24 | troy_s | spit takes.
| | 19:24 | MatthiasF | I guess I am too much of a generalist :/
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| 19:24 | troy_s | LOL
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| 19:26 | MatthiasF | Really, I did my master in physics because CS would have been boring. Now it is hard for me to find a PhD outside physics.
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| 19:26 | troy_s | Head into imaging.
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| 19:27 | troy_s | Instant results.
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| 19:30 | se6astian | http://www.ebay.at/itm/UPRtek-350-Spectrometer-/231488532877?pt=LH_DefaultDomain_0&hash=item35e5cab18d ?
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| 19:32 | se6astian | http://www.bhphotovideo.com/c/search?atclk=Lightmeter+Type_Spectrometer&ci=900&N=4077634543+4040100957
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| 21:20 | se6astian | time for bed
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