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screenshot added by Witek on 2018-01-15 23:00:42
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release date : january 2018
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added on the 2018-01-15 23:00:41 by Witek Witek

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Really nice! And esp. nice to see somebody experimenting with new techniques instead of going the "usual way".
rulez added on the 2018-01-15 23:29:10 by v3nom v3nom
Impressive!
rulez added on the 2018-01-16 00:50:37 by xTr1m xTr1m
Looks quite nice! Interesting idea with the voronoi bits.
rulez added on the 2018-01-16 01:00:21 by Starchaser Starchaser
Cool thing again.

What did you use as the fitness function in your genetic algorithm? PSNR or something more specialized?
rulez added on the 2018-01-16 01:19:49 by noby noby
Impressive technique!
rulez added on the 2018-01-16 02:00:15 by rloaderro rloaderro
Quote:
What hat did you use as the fitness function in your genetic algorithm? PSNR or something more specialized?

Yup, just PSNR. I was experimenting with SSIM, but it was too slow to compute.
added on the 2018-01-16 02:16:23 by Witek Witek
very very nice!
rulez added on the 2018-01-16 08:13:16 by zeebr zeebr
Wow!
rulez added on the 2018-01-16 10:30:05 by Emod Emod
^
rulez added on the 2018-01-16 14:47:56 by cxw cxw
rulez added on the 2018-01-16 15:31:32 by Saga Musix Saga Musix
Works really well!
rulez added on the 2018-01-16 15:40:45 by MsK` MsK`
norm
rulez added on the 2018-01-16 16:31:32 by fyrex fyrex
this is amazing! well done!
rulez added on the 2018-01-16 16:36:55 by sensenstahl sensenstahl
Witek: I tried to run this at work and it got snagged by the AV :) . For IT's peace of mind, which compressor did you use? I presume Crinkler, but I'd like to be able to tell them for sure. Thanks!

saga: nice oldschool uparrow :)
added on the 2018-01-16 17:54:42 by cxw cxw
Wow!
rulez added on the 2018-01-16 18:27:26 by mad mad
Looks much better on screenshot than in full screen, but still rather impressive. :)
rulez added on the 2018-01-16 19:11:03 by Gargaj Gargaj
Witek: to my understanding PSNR and SSIM in "real world" use cases like this aren't that much different. Both of them are actually somewhat weak since they don't correlate that well with human visual acuity. Seems to me like the biggest shortcoming might be there, so was just wondering how much better it could look with a more specialized metric.
added on the 2018-01-16 19:30:40 by noby noby
Awesome! Did your fitness function use a perceptual colourspace?
rulez added on the 2018-01-16 19:57:39 by fizzer fizzer
Quote:
Witek: I tried to run this at work and it got snagged by the AV :) . For IT's peace of mind, which compressor did you use? I presume Crinkler, but I'd like to be able to tell them for sure. Thanks!

Yes, it's just Crinkler. No worries :)

Quote:
Witek: to my understanding PSNR and SSIM in "real world" use cases like this aren't that much different. Both of them are actually somewhat weak since they don't correlate that well with human visual acuity. Seems to me like the biggest shortcoming might be there, so was just wondering how much better it could look with a more specialized metric.

It depends. Generally, SSIM should give more perceptual-like results and outperforms simple PSNR in most cases. Maybe if I have moved the calculations to the GPU and it would be 2 orders of magnitude faster than CPU version (which is most likely) I could experiment with different quality scores.

Quote:
Did your fitness function use a perceptual colourspace?

For this prod, I've just used monochromatic value for calculating MSE (calculated as Y=R+2G+B).
added on the 2018-01-16 21:38:06 by Witek Witek
Amazing.
rulez added on the 2018-01-16 21:42:46 by Buckethead Buckethead
what they said
rulez added on the 2018-01-16 21:45:35 by Flashy Flashy
Not that you would notice a difference with current lossy formats dealing with it in a second, but still the tech is impressive.
rulez added on the 2018-01-16 23:11:52 by rutra80 rutra80
cool
rulez added on the 2018-01-17 15:43:30 by nagz nagz
Nice!
rulez added on the 2018-01-24 10:33:14 by nula nula
Now I know, this reminds me of Sofia Coppola.
Very nice.
rulez added on the 2018-02-13 18:20:39 by StingRay StingRay

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