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Zero teleoperation. Zero real-world data. ➔ Autonomous humanoid loco-manipulation in reality. Introducing VIRAL: Visual Sim-to-Real at Scale. We achieved 54 autonomous cycles (walk, stand, place, pick, turn) using a simple recipe: 1. RL 2. Simulation 3. GPUs Website: Arxiv: Deep dive with me: 🧵

268,550 просмотров • 11 месяцев назад •via X (Twitter)

Комментарии: 24

Фото профиля Tairan He
Tairan He11 месяцев назад

Data is the bottleneck of robot learning. The community relies heavily on expensive, slow, human-collected data. We flipped the script. VIRAL trains entirely inside NVIDIA Isaac Lab. We accelerate physics by 10,000x real-time with photorealistic rendering. No human data required. 2/

Фото профиля Tairan He
Tairan He11 месяцев назад

The Pipeline: Teacher: We train a privileged teacher with full state access in sim. Student: We distill a vision-based student policy from the teacher. This uses large-scale simulation with tiled rendering, combining online DAgger and Behavior Cloning across tens of GPUs. 3/

Фото профиля Tairan He
Tairan He11 месяцев назад

Scale is not optional. We scaled visual sim-to-real compute up to 64 GPUs. We discovered that for long-horizon tasks (like loco-manipulation), large-scale simulation isn't just "nice to have"—it is necessary for convergence and robustness. 4/

Фото профиля Tairan He
Tairan He11 месяцев назад

Bridging the Gap. To enable smooth transfer, we performed System Identification (SysID) on our 3-fingered dexterous hands. The difference is night and day. Below is the overlay of simulation vs. real-world physics before and after SysID. 5/

Фото профиля Tairan He
Tairan He11 месяцев назад

The Free Lunch. Sim-to-real is hard. But once you solve it, you get generalization for free. VIRAL handles diverse spatial arrangements and visual variations without any real-world fine-tuning. See the stress tests: 6/

Фото профиля Tairan He
Tairan He11 месяцев назад

The Journey. This wasn't an overnight success. It took 6 months of building visual sim, distributed training, and infra from scratch. Robotics is hard. We’ve documented our failures and our path to success here: 7/

Фото профиля Tairan He
Tairan He11 месяцев назад

VIRAL: Visual Sim-to-Real at Scale for Humanoid Loco-Manipulation Team: @TairanHe99, Zi Wang, @HaoruXue, @BenQingwei, @zhengyiluo, @_wenlixiao, @_ye_yuan, @XingyeDa, Fernando Castañeda, Shankar Sastry, @ChangliuL, @GuanyaShi, GEAR Leads: @DrJimFan, @yukez Website: Paper:

Фото профиля PrismaX
PrismaX11 месяцев назад

Training at scale.

Фото профиля Nick
Nick11 месяцев назад

So, all you need is scale?

Фото профиля Mr 365
Mr 36510 месяцев назад

Do you know when you'll be able to publish the code? It looks really good and big up all of you! <3

Фото профиля Jed Hoo
Jed Hoo11 месяцев назад

very very cool!

Фото профиля Fairooz Choudhury
Fairooz Choudhury11 месяцев назад

Impressive achievement! Excited to learn more.

Фото профиля slicedbread
slicedbread11 месяцев назад

Kill all robots

Фото профиля David Lin
David Lin11 месяцев назад

This is insanely impressive. One of the best sim2real zero shot transfer I've seen. Great work team.

Фото профиля 奇怪的知识增加了
奇怪的知识增加了11 месяцев назад

Sim2real ftw 🙌

Фото профиля ζ Pedram ζ
ζ Pedram ζ11 месяцев назад

lol good subject, arbitrarily silly name ..

Фото профиля Forrest Smith
Forrest Smith11 месяцев назад

What kind of performance did you get from the tiled renderer? At what resolution?

Фото профиля Altiam Kabir
Altiam Kabir11 месяцев назад

Impressive strides in sim-to-real tech! Excited to see where this leads.

Фото профиля cosmos
cosmos11 месяцев назад

🫡

Фото профиля Tian Fang
Tian Fang10 месяцев назад

Very nice work! Did you give any talk in conferences or universities? A good talk will help a lot.

Фото профиля Amy - AI Girl
Amy - AI Girl11 месяцев назад

Impressive results with VIRAL! The future of robotics is here.

Фото профиля SoloTech
SoloTech11 месяцев назад

VIRAL is going to push a lot of teams to rethink their pipelines

Фото профиля Sarthak Bhagat
Sarthak Bhagat11 месяцев назад

Sim2real ftw 🙌

Фото профиля AI PlanetX
AI PlanetX11 месяцев назад

Impressive work! Excited to learn more about your approach.

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