Yes, These Are Virtual Dumplings! 🥟

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Yes, These Are Virtual Dumplings! 🥟

Two Minute Papers 18.12.2021 69 090 просмотров 3 728 лайков

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❤️ Check out Weights & Biases and sign up for a free demo here: https://wandb.com/papers 📝 The paper "Guaranteed Globally Injective 3D Deformation Processing" is available here: https://ipc-sim.github.io/IDP/ 🙏 We would like to thank our generous Patreon supporters who make Two Minute Papers possible: Aleksandr Mashrabov, Alex Balfanz, Alex Haro, Andrew Melnychuk, Angelos Evripiotis, Benji Rabhan, Bryan Learn, Christian Ahlin, Eric Martel, Gordon Child, Ivo Galic, Jace O'Brien, Javier Bustamante, John Le, Jonas, Kenneth Davis, Klaus Busse, Lorin Atzberger, Lukas Biewald, Matthew Allen Fisher, Mark Oates, Michael Albrecht, Michael Tedder, Nikhil Velpanur, Owen Campbell-Moore, Owen Skarpness, Peter Edwards, Rajarshi Nigam, Ramsey Elbasheer, Steef, Taras Bobrovytsky, Thomas Krcmar, Timothy Sum Hon Mun, Torsten Reil, Tybie Fitzhugh, Ueli Gallizzi. If you wish to appear here or pick up other perks, click here: https://www.patreon.com/TwoMinutePapers Thumbnail background design: Felícia Zsolnai-Fehér - http://felicia.hu Wish to watch these videos in early access? Join us here: https://www.youtube.com/channel/UCbfYPyITQ-7l4upoX8nvctg/join Meet and discuss your ideas with other Fellow Scholars on the Two Minute Papers Discord: https://discordapp.com/invite/hbcTJu2 Károly Zsolnai-Fehér's links: Instagram: https://www.instagram.com/twominutepapers/ Twitter: https://twitter.com/twominutepapers Web: https://cg.tuwien.ac.at/~zsolnai/

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<Untitled Chapter 1>

Dear Fellow Scholars, this is Two Minute Papers with Dr. Károly Zsolnai-Fehér. Today, we are going to absolutely destroy this virtual bunny. And then, inflate this cat

Positive Flow

until it becomes… a bit of a chonker. And, I hope you like dumplings, because we’ll also be able to start a cooking show in a virtual world. For instance, we can now squash and wrap and pinch

Squash

and squeeze. And this is a computer graphics paper, so let’s smash these

Squeeze

things for good measure. There we go. Add some more. And the meal is now ready. Enjoy! This is all possible through this new paper that is capable of creating physics simulations

Bunny in Hourglass Test

with drastic geometry changes. And when I say drastic, I really mean it. And looking through the results, this paper feels like it can do absolutely anything. It promises a technique called Injective deformation processing. What does all this mean? It means great news. Finally, when we do these crazy experiments, things don’t turn inside out, and the geometry

Octocat in Hourglass Test

does not overlap. Wanna see what these overlaps looks like? Well, here it is. And, luckily, we don’t have to worry about this phenomenon with this new technique. Not only when inflating, but, it also works correctly when we start deflating things. Now, talking about overlaps, let’s see this animation sequence simulated with a previous method.

Repair Comparison 1x, full sequen

Oh no! The belly is not moving, and, my goodness. Look at that.

Repair Comparison (0.3x, snippet)

It gets even worse. What is even worse than a belly that does not move? Of course, intersection artifacts. Now, what you will see is not a re-simulation of this experiment from scratch with this with the new method, no-no. Even better. We give this flawed simulation to the new technique, and…yes, it can even repair it! Wow. An absolute miracle. No more self-intersections, and finally, the belly is moving around in a realistic manner. And, while we find out whether this armadillo simulated with the new method is dabbing, or if it is just shy, let’s talk about how long we have to wait for a simulation like this. All nighters? No, not at all! The font inflation examples take roughly half a second per frame,

Font Inflation

that is unbelievable, and it goes up to 12 minutes per frame, which is required for the larger deformation experiments. Repairing an already existing, flawed simulation also takes a similar amount of time. So, what about this armadillo? Yes, that is definitely a shy armadillo. So, from now on, we can apply drastic geometry changes in our virtual worlds, and I am sure that two more papers down the line, all this will be possible in real time. Real-time dumplings in a virtual world? Yes please, sign me up! What a time to be alive! Thanks for watching and for your generous support, and I'll see you next time!

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