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junzhin/README.md

I'm Junzhi Ning

Unified Models · Agents · AI for Health

I work on unified multimodal models and agents for health. My research connects medical image understanding and generation with evidence-grounded reasoning, and explores how evaluation can guide better data collection and model improvement.

Beyond healthcare, I collaborate on multimodal reasoning and scientific foundation models. I am currently exploring how agents and models can work together and improve through feedback.

Research Interests

  • Unified understanding and generation — connecting image interpretation, synthesis, and multimodal reasoning within shared models.
  • Medical agents and evidence-grounded reasoning — integrating visual and textual evidence to support medical tasks.
  • Generative modeling and data synthesis — producing controllable medical images and studying their value for downstream learning.
  • Evaluation and model improvement — identifying failures in robustness, calibration, and reasoning, and using them to guide improvement.

Selected Work

  • UniMedVL · ICML 2026 · First author, equal contribution
    Unifying medical multimodal understanding and generation in a single model through an Observation–Knowledge–Analysis framework.

  • MedQ-Engine · MICCAI 2026 · Co-first author
    Turning failures in medical image quality assessment into targeted data collection, annotation, and iterative model improvement.

  • RetinaLogos · MICCAI 2025 · Co-first author
    Generating high-resolution retinal images from detailed descriptions of anatomy and pathology.

  • Intern-S1 · Technical report · Co-author
    Contributing to a scientific multimodal foundation model spanning general reasoning and specialized scientific tasks.

See my homepage for more work on medical model robustness, multimodal benchmarks, and scientific reasoning.

Background

I completed my MRes at Imperial College London with Distinction and my BSc (Honours) in Data Science at the University of Sydney with the University Medal. My earlier training at the University of Melbourne was in Mathematics and Statistics, alongside a Diploma in Computing.

My research experience also includes work with the General Medical AI (GMAI) group at Shanghai AI Laboratory.

Connect

Homepage · Google Scholar · Hugging Face

I welcome conversations and collaborations on unified multimodal models, medical agents, and related problems in AI for Science.

Pinned Loading

  1. open-compass/VLMEvalKit open-compass/VLMEvalKit Public

    Open-source evaluation toolkit of large multi-modality models (LMMs), support 220+ LMMs, 80+ benchmarks

    Python 4.4k 794

  2. uni-medical/Project-Imaging-X uni-medical/Project-Imaging-X Public

    Project Imaging-X: A Survey of 1000+ Open-Access Medical Imaging Datasets for Foundation Model Development

    Python 490 41

  3. uni-medical/UniMedVL uni-medical/UniMedVL Public

    [ICML 2026] Official UniMedVL implementation — a unified medical vision-language model for multimodal understanding, medical image generation, and interleaved tasks in a single checkpoint, trained …

    Python 111 13

  4. DGM-VLC DGM-VLC Public

    [NeurIPS 2024 AIM-FM Workshop] Official implementation of vision-language-conditioned medical image generation. Combines clinical text and segmentation masks with deep generative models to synthesi…

    Python 7 2

  5. uni-medical/retina-text2cfp uni-medical/retina-text2cfp Public

    [MICCAI 2025] Official implementation of RetinaLogos, a caption-guided framework for high-resolution retinal image synthesis. Enables fine-grained control over retinal anatomy, disease stages, and …

    Python 17 3

  6. liujiyaoFDU/MedQ-DEG liujiyaoFDU/MedQ-DEG Public

    (ECCV 2026) Official repository for MedQ-Deg, a benchmark evaluating medical VLM robustness to image degradation. Features 24,894 QA pairs across 7 imaging modalities, 18 degradation types, and 30 …

    18