Jason Antic on Twitter: "I'm pretty sure, based on lots of observations, that intensity has quite a bit to do with certainty. Something that really helps to make colors more intense is to give the model the ability to "collect more evidence" via an attention mechanism. That's how I interpret it at least.… https://t.co/NRz38S9n4Y"

@citnaj

Obsessively pursuing the perfection of image and video colorization/restoration using deep learning. Creator of DeOldify.

Joined January 2010

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Jason Antic‏ @citnaj Jan 12

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Here's another round of colorizations using my latest unreleased DeOldify model. Photos are again from Reddit's r/TheWayWeWere (great source!)pic.twitter.com/bKwZsXVYTO

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Arseny Khakhalin‏ @ampanmdagaba Jan 12

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Replying to @citnaj

Wow! That's insanely pretty! And I love how it gets lil details: socks for a kid, flowers for the dress... What would happen if you give it a pic with flags? Either state flags, or something like navy signal flags? Will is just spitball random solid colors, or?..

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Jason Antic‏ @citnaj Jan 12

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Thanks! It actually does get American flags right at least- I've seen that much. It clearly recognizes what those are and I know they're in the training set. It does do other flags -sometimes- and it's not random- there's other cues for color (optics rules it appears to learn).

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Arseny Khakhalin‏ @ampanmdagaba Jan 25

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I have an update on our old discussion: you know what obvious thing is really underrepresented in the training set for (at least DeepAI's) deoldify? Soviet photos! :) Not surprisingly. But as a result, it doesn't know about Soviet flags. Like, all of this should be red :)pic.twitter.com/ESHOEp2a96

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Jason Antic‏ @citnaj Jan 25

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Man that's embarrassing. Unfortunately the new model isn't doing any better on this (just tried).

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Arseny Khakhalin‏ @ampanmdagaba Jan 25

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Haha, I'm glad to have found a missing cultural competency! :) It's fun! But in some way, it's almost generalized intelligence kind of bar. Like: old photo, Cyrillic letters (or maybe, one day, even a translation: "Glory to the USSR") - has to be red! But it's a very high bar!pic.twitter.com/ZPkmWRBomq

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Arseny Khakhalin‏ @ampanmdagaba Jan 25

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Replying to @ampanmdagaba @citnaj

I played with the free version for quite some time today. For example, below it seems to, very hesitantly, notice Soviet symbols and correctly guess red. By the way, is the color intensity a function of model's certainty about color assignment? Or only borders? or both?pic.twitter.com/eP0EgLqAGx

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Jason Antic‏ @citnaj Jan 25

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Replying to @ampanmdagaba

I'm pretty sure, based on lots of observations, that intensity has quite a bit to do with certainty. Something that really helps to make colors more intense is to give the model the ability to "collect more evidence" via an attention mechanism. That's how I interpret it at least.

9:59 PM - 25 Jan 2020

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1. Arseny Khakhalin‏ @ampanmdagaba Jan 26
  
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  I keep obsessing about this topic, and just looked whether it would color grandiose Red Square 1st of May parades red. You know, it kinda does! Hesitantly, again (not all flags are red, and it failed to grasp that balloons should be red too), but it "knows" about the Soviets!pic.twitter.com/SY0B6E1Ccu
  
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