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AtticusZeller/README.md

Hi there, I'm Atticus Zeller (周宙) 🤖

Embodied AI Researcher & VLA Algorithm Engineer

Blog / DocsEmailORCID


I am currently a Master's student in Artificial Intelligence at Shanghai Normal University. My research and engineering efforts are heavily focused on Vision-Language-Action (VLA) models and Reinforcement Learning for physical robotic manipulation. I bridge the gap between open-world semantic understanding and contact-rich precision control.

🔭 Current Focus

  • VLA Deployment: Fine-tuning and deploying state-of-the-art VLA models (SmolVLA, π0.5) on the SO-ARM101 bimanual robot.
  • RL for Robotics: Implementing residual online Reinforcement Learning (e.g., RL Token) to decouple high-level reasoning from low-level muscle reflexes.
  • Hardware-Software Co-design: Optimizing 50Hz control loops via Client-Server async inference architectures and addressing Sim-to-Real gaps using Isaac Lab / MuJoCo.

🛠️ Tech Stack

  • Embodied AI & Robotics: LeRobot | SO-ARM101 | Action Chunking | Flow Matching | Sim2Real
  • Reinforcement Learning: TD3 | PPO | Behavior Cloning (BC) | DAgger | Residual RL
  • Deep Learning: PyTorch | HuggingFace | CUDA | 3D Gaussian Splatting
  • Simulation: MuJoCo | Isaac Lab / Isaac Sim
  • DevOps & Backend: Linux | Docker | FastAPI | Git | Claude Agentic Workflow

📦 Selected Open Source & Research

  • 📄 GSplatLoc: Ultra-Precise Camera Localization via 3D Gaussian Splatting (1st Author)
    • Formulated camera pose estimation as a gradient optimization problem to minimize translation and rotation errors in high-resolution 3DGS environments.
  • 🦾 LeRobot (VLA Pipeline SOPs)
    • Maintaining comprehensive Chinese engineering docs for SO-ARM101 × VLA. Covering data collection, 3D-2D mask projection filtering, LoRA fine-tuning, and asynchronous inference loops.
  • fastapi-supabase-template
    • A highly concurrent async backend scaffolding boilerplate, deeply integrated with Docker and built via agentic workflows.

"Replacing pure imitation with physical reflexes."

Pinned Loading

  1. GsplatLoc GsplatLoc Public

    😎 GsplatLoc 🎯: Ultra-Precise Pose Optimization via 3D Gaussian Reprojection 🌟

    Python 93 6

  2. BoostFace BoostFace Public archive

    😎real time fullstack face recognition system

    Python 8 1

  3. Pytorch-Lightning-uv Pytorch-Lightning-uv Public template

    📦 Zero-config Deep Learning template with PyTorch Lightning, UV package manager, W&B tracking, and modern Python tooling 🚀

    Python 5

  4. fastapi_supabase_template fastapi_supabase_template Public template

    👏fastapi deeply integrates with supabase,auth,curd postgresql,file upload ,etc , all in one😎,inspired by full stack fastapi postgresql

    Python 350 37

  5. IsaacLab-uv IsaacLab-uv Public template

    🚀 UV package manager for issac sim and issaclab

    Python 5 1

  6. lerobot lerobot Public

    Forked from huggingface/lerobot

    🤗 LeRobot: Making AI for Robotics more accessible with end-to-end learning

    Python