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November wallpaper 2 (Patreon)

Published:
2018-11-29 20:50:51
Imported:
2023-10

Content

Apparently this month I am in the mood for solo characters against landscapes with a bittersweet mood?

I tried out the Clip Studio Paint AI colouring feature and it mutes colours pretty badly but it's otherwise really good for flatting. It probably wouldn't work well for people who do cell shading or neat colours, but it works pretty well for me! I'm going to mess around with it a bit more, see what I can do to not lose contrast between the colours, but I think this is going to save me quite a bit of time :D

Lazy colour splashes:

CSP's AI colouring based on the above!!!


Files

Comments

Anonymous

I've been wondering when AI-based art automation tools would start becoming commercially viable. There are already great results demonstrated for things like automatic coloration of old black-and-white photos in a controlled setting. So this sort of thing has been at least theoretically feasible for a while. But of course, making it work reliably in the real world is always the bigger challenge. Did you end up using the automated flatting in the final product, or did you color the whole thing first and then go back and see how well the computer could do?

Kaiyeti

SO BEAUTIFULLY AMAZING AND GLORIOUSLY AWESOME! THANK YOU ARI MY GODDESS EMPRESS OF AWESOMENESS FRIEND FOR THIS WONDERFUL MASTERPIECE OF PERFECTION ! *YETIHUG* Though who walks around outside with a indoor mug? They are either crazy or that badass.

walkingnorth
>>17574176

Have you seen? <a href="https://www.reddit.com/r/anime/comments/9yjl41/ocfanart_created_a_bot_to_colorize_this_line/" rel="nofollow noopener" target="_blank">https://www.reddit.com/r/anime/comments/9yjl41/ocfanart_created_a_bot_to_colorize_this_line/</a> I was in complete awe of this and wondering if there was a way I could use it to speed up my process and then a few days later CSP announced this update and I was delighted :D I coloured on top of the automated flatting :)

walkingnorth
>>17576070

Awww, thank you so much <333 I was going for like... a folded paper cup thingie? Because styrofoam cups at least shouldn't be a thing. But I wasn't really sure what I was doing and I'm not sure it looks much like anything ^^;

Anonymous
>>17574176

I hadn't seen that particular tool, but there's lots of examples of similar things in academic settings: automatic coloring of line art, automatic generation of line art from rough sketches, automatic colorization of B&W/faded color images, "style transfer" from one painting to another, etc. In fact, this also closely related to another very hot area of research: computer vision for self-driving cars. When a car uses a camera to look at the road in front of it, it needs to figure out what it's looking at, and that means separating the image into discrete objects: cars, people, bikes, trees, street signs, the road, lane guides, etc. This process isn't terribly different from partitioning the line art into discrete regions and then coloring each one differently.

walkingnorth
>>17574176

Dear academia: please incorporate these things into art programs! Sketch to line art would be AMAZING. I spent years wonderinf if maaaaybe I wanted to use photoshop specifically for the photoshop plugin that does the discrete coloured regions thing, so I'm super happy that CSP has something similar-ish that serves a suitably similar purpose for me :) Never thought of the similarities to self-driving cars. Fascinating!

Anonymous
>>17574176

Heh, the hard part (for both art and cars) is always making it work outside of a laboratory setting, where you no longer have precise control over all the inputs and the algorithm has to take whatever you give it. By the way, something I notice about the automated coloring: it looks like it might be interpreting your white areas as "lack of color information" rather than an explicit hint to color that region white. For example, the white stripe meant to represent the layer of snow on top of the wall is completely gone in the auto-colored output. Perhaps there's a setting to tell it which is the "background" color that it should ignore, and white is the default?

Anonymous
>>17576070

The cup looks kind of like one of these: <a href="http://i.ytimg.com/vi/EDTq0MNDfDU/0.jpg" rel="nofollow noopener" target="_blank">http://i.ytimg.com/vi/EDTq0MNDfDU/0.jpg</a> The pattern of triangular folds creates a cup shape from a single flat circle of paper.