Nicklas Hansen

@ncklashansen.bsky.social

591 Followers 834 Following

Postdoc at NYU. Prev: PhD at UCSD, intern NVIDIA, Meta AI, UC Berkeley, BS/MS DTU. I like robots 🤖, plants 🪴, and they/them pronouns 🏳️‍🌈 https://www.nicklashansen.com

A user interacts with our world model via the browser

Visited state density for different data collection strategies

Ground-truth, base model, after targeted data collection

Visited state density and our proposed hallucination predictor u_r for four different tasks.

Architecture overview

Diverse clips generated by the world model. They look visually fluent but occasional hallucinations can be seen.

Landing page showing a user interacting with the world model via a live demo in the browser.

Examples of tasks included in MMBench

View of Honolulu

View of Marina Bay in Singapore

Visualization of domains for which TD-MPC2 has been applied, including locomotion, manipulation, dexterous hands, humanoids, autonomous racing.