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iMoon: Intelligent Media and Cognition Group

🌙 iMoonLab

Intelligent Media and Cognition Group
清华大学 · 软件学院 · Tsinghua University, School of Software

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🧭 About Us

iMoonLab is a research group at Tsinghua University, School of Software. We study how intelligent systems can understand complex, unstructured media — from images, text, and 3D shapes to brain networks and knowledge — by modeling high-order relationships beyond pairwise connections.

Our research sits at the intersection of hypergraph computation, multimodal media understanding, and knowledge-driven AI. We build both foundational theory and open-source tools that turn research ideas into reusable code.

🧠 Hypergraph Learning 🎯 Object & Scene Understanding 🌐 Knowledge & LLMs 🧬 Brain & Medical AI
High-order neural networks, structure learning, efficient inference Detection, 3D vision, multi-modal representation RAG, knowledge extraction, LLM reasoning on hypergraphs fMRI analysis, disease diagnosis, survival prediction

🔥 Featured

Documents → structured knowledge. One command.

Stars PyPI Docs 

uv tool install hyperextract
he parse paper.pdf -t general/academic_graph -o ./paper_kb/

🏗️ Core Libraries & Platforms

Project Description Stars
DeepHypergraph A PyTorch library for graph and hypergraph deep learning
THU-HyperG Hypergraph learning toolbox and benchmarks
Hypergraph-DB Hypergraph database with built-in visualization

🎯 Object Detection & 3D Vision

Project Description Venue Stars
yolov13 YOLOv13: real-time detection with hypergraph-enhanced adaptive visual perception arXiv 2025
Hyper-YOLO When visual object detection meets hypergraph computation IEEE TPAMI 2025
MeshNet Mesh neural network for 3D shape representation AAAI 2019
HGM2R Hypergraph-based multi-modal representation for open-set 3D object retrieval IEEE TPAMI 2024
PVRNet Point-view relation neural network for 3D shape recognition AAAI 2019

🧠 Hypergraph Neural Networks

Project Description Venue Stars
HGNN Hypergraph Neural Networks — foundational work on hypergraph convolution AAAI 2019
DHGNN Dynamic Hypergraph Neural Networks for dynamic structure learning IJCAI 2019
LightHGNN Distilling hypergraph neural networks into MLPs for ×ばつ faster inference ICLR 2024
KHGNN Kernel Hypergraph Neural Networks IEEE TPAMI 2025
SS-HT Self-supervised hypergraph training via structure-aware learning IEEE TPAMI 2025
HGNN-Shield Defending hypergraph neural networks against high-order structure attack IEEE TPAMI

🌐 Knowledge, RAG & LLMs

Project Description Venue Stars
Hyper-RAG Combating LLM hallucinations with hypergraph-driven retrieval-augmented generation Nature Communications 2026
LLM4Hypergraph Can large language models comprehend hypergraphs beyond graphs? ICLR 2025
HIC Hypergraph Isomorphism Computation IEEE TPAMI 2024

🧬 Brain Networks & Medical AI

Project Description Venue Stars
DHGFormer Dynamic hierarchical graph transformer for disorder brain disease diagnosis MICCAI 2025
LHDFormer Adaptive embedding for long-range high-order dependencies on fMRI MICCAI 2025
DIBrain Exploring dynamic interpretable brain networks via hierarchical graph transformer PR 2026
HGST Hypergraph-based semantic and topological self-supervised learning for brain disease diagnosis 2025
PAGHC Multimodal hypergraph guide learning for non-invasive ccRCC survival prediction 2025

📬 Connect

Intelligent Media · Structured Knowledge · Cognition

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  1. HGNN HGNN Public

    Hypergraph Neural Networks (AAAI 2019)

    Python 849 161

  2. DeepHypergraph DeepHypergraph Public

    A pytorch library for graph and hypergraph computation.

    Python 885 89

  3. Hyper-YOLO Hyper-YOLO Public

    The source code of IEEE TPAMI 2025 "Hyper-YOLO: When Visual Object Detection Meets Hypergraph Computation".

    Python 230 19

  4. Hyper-RAG Hyper-RAG Public

    "Hyper-RAG: Combating LLM Hallucinations using Hypergraph-Driven Retrieval-Augmented Generation" by Yifan Feng, Hao Hu, Shihui Ying, Xingliang Hou, Shiquan Liu, Mingyuan Yang, Junchang Li, Shaoyi D...

    Python 319 53

Repositories

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Showing 10 of 31 repositories
  • LHDFormer Public

    [MICCAI 2025] Source code for paper: Adaptive Embedding for Long-Range High-Order Dependencies via Time-Varying Transformer on fMRI

    iMoonLab/LHDFormer's past year of commit activity
    Python 8 1 0 0 Updated Sep 9, 2026
  • DHGFormer Public

    [MICCAI 2025] Source code for paper: DHGFormer: Dynamic Hierarchical Graph Transformer for Disorder Brain Disease Diagnosis

    iMoonLab/DHGFormer's past year of commit activity
    Python 17 4 0 0 Updated Sep 9, 2026
  • HGHC Public
    iMoonLab/HGHC's past year of commit activity
    0 0 0 0 Updated Sep 4, 2026
  • HGIN Public

    Official implementation of "How Powerful are Hypergraph Neural Networks?", published in IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI).

    iMoonLab/HGIN's past year of commit activity
    Python 2 Apache-2.0 0 0 0 Updated Aug 28, 2026
  • DeepHypergraph Public

    A pytorch library for graph and hypergraph computation.

    iMoonLab/DeepHypergraph's past year of commit activity
    Python 885 Apache-2.0 89 11 2 Updated Aug 4, 2026
  • Hyper-RAG Public

    "Hyper-RAG: Combating LLM Hallucinations using Hypergraph-Driven Retrieval-Augmented Generation" by Yifan Feng, Hao Hu, Shihui Ying, Xingliang Hou, Shiquan Liu, Mingyuan Yang, Junchang Li, Shaoyi Du, Nanning Zheng, Han Hu, and Yue Gao.

    iMoonLab/Hyper-RAG's past year of commit activity
    Python 319 Apache-2.0 53 1 1 Updated Jun 27, 2026
  • .github Public
    iMoonLab/.github's past year of commit activity
    0 0 0 0 Updated Jun 19, 2026
  • DIBrain Public

    [PR 2026] The source code of "Exploring Dynamic Interpretable Brain Networks via Hierarchical Graph Transformer"

    iMoonLab/DIBrain's past year of commit activity
    Python 6 0 0 0 Updated Feb 27, 2026
  • HGNN-Shield Public

    Official implementation of "HGNN Shield: Defending Hypergraph Neural Networks Against High-Order Structure Attack", published in IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI).

    iMoonLab/HGNN-Shield's past year of commit activity
    Python 3 Apache-2.0 0 0 0 Updated Feb 6, 2026
  • SS-HT Public

    Official implementation of the paper "Self-Supervised Hypergraph Training Framework via Structure-Aware Learning" published in IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI) 2025.

    iMoonLab/SS-HT's past year of commit activity
    Python 5 Apache-2.0 0 0 0 Updated Feb 6, 2026

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