Linzhan Mou @LinzhanMou
Ph.D. student @PrincetonCS. Intern @Meta. linzhanmou.com Princeton, NJ Joined November 2022-
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Encoder-free, pixel-space, unified understanding + generation for images and video. Very cool work from @CongWei1230
Let's remove VAEs and ViTs from video models! 🚀 Introducing 𝗣𝗶𝘅𝗲𝗹𝗨𝗠𝗠: an encoder-free unified multimodal model for image and video understanding and generation, directly in pixel space. Code and model available today! 🌐 nv-tlabs.github.io/PixelUMM 📄
@NicoBohlinger Very cool work, a single unified policy for cross-embodiment control across 200+ robots is a big step toward true generalist control!
⚡ One policy, millions of embodiments, over 200 robot models. Can we add yours? We're building γ₀, a generalist RL policy for motion control trained across millions of randomized embodiments derived from a growing collection of more than 200 robot models.
@nazimadakli Agreed. Distilling agent-generated data into an expert model looks promising, and that model would be far cheaper and faster to run.
@dranben Thanks for trying it! UniMate is an early step toward text-to-animation for any skeleton. Part of its capacity goes into handling different topologies, so it still trails specialized models on human motion. We plan to close that gap with more data.
@imost @GokulEpiphany Several of the open-source auto-riggers seem pretty good. SkinTokens is an improved version of UniRig, but I haven't tried it yet.
🪄 Bring your 3D characters to life with words! Introducing UniMate: one unified model for text-driven animation across diverse skeletons—from humans and animals to articulated objects. 🎬 A rigged asset + a text prompt → motion. No per-skeleton retraining needed! 🌐 linzhanmou.com/unimate/
@nazimadakli @rahul__gh0sh Thanks for giving it a try! Agreed, agentic approaches handle this better right now. Our data is still limited, which shows. If you can share some of your outputs, that would really help us improve.
@rahul__gh0sh @nazimadakli Nice work on the cost side! I think agentic systems also work well as a final refinement stage: let a motion diffusion model generate the base motion, then have the agent fix the details (contacts, constraints, timing). That might help with the more complex animations too.
@DynaRobotics Super cool agentic robo system for long-horizon task!
@RisingSunInt_ Yes, with motion expansion you can chain prompts, and each segment continues from the end of the last one. That gives you seamless walks of any length without snapping.
New Open-Source AI Animator: Text-to-Animation for Humans, Animals, Creatures, Robots & More UniMate generates motion from text prompts for rigged 3D characters. Describe an action and turn it into animation. Highlights: • One model, different skeletons—no separate retraining for each rig. • Generate transitions between existing keyframes. • Edit motion with text while keeping selected joints unchanged. • Extend animations with a sequence of prompts. • Export animated meshes as FBX and GLB. • MIT-licensed code + downloadable preview weights. github.com/Friedrich-M/Un…
@JohnnyB_222 Thanks! Yes, we support keyframe constraints during diffusion sampling (in-betweening, editing, expansion), and you can combine them with other test-time guidance, e.g. trajectory control.
@DSqi4TZ4nm29308 @SIGGRAPHAsia Also have your agent read the walk-related training captions in huggingface.co/datasets/Linzh… and match that prompt style
@DSqi4TZ4nm29308 @SIGGRAPHAsia Prompt tweaking alone is hard to control. Let your Codex refine the motion directly with Blender MCP: load the result into Blender and fix the bones and keyframes there.
@rahul__gh0sh @frankzydou Code is MIT licensed, feel free to use it commercially!
@victor_vibing Already out: github.com/Friedrich-M/Un…
@sebuzdugan Agreed, foot sliding is still an issue. We haven't designed a unified contact model for heterogeneous rigs (e.g. winged creatures or fish). A natural next step is adding a controller or IK post-processing to handle contacts.
@nuvolore Thanks! No HF demo yet, but all training/inference code and checkpoints are released. We're also considering a Blender add-on.
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