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Geon Choi

Ph.D. Student
KAIST Graduate School of AI
choigeon (at) kaist.ac.kr


About Me

Hello! I am a first-year Ph.D. student at KAIST AI, advised by Prof. Edward Choi. I received my B.S. in Electrical Engineering from POSTECH in Feb. 2024. For more details, please refer to my CV.

Research Interests

My goal as a researcher is to develop an independent AI radiologist. My primary research interests lie in Multimodal Learning and Machine Learning for Healthcare. Additionally, I have a strong interest in broader Computer Vision topics, particularly generative modeling.

News

Publications

  1. CVPR
    Instruction-Guided Lesion Segmentation for Chest X-rays with Automatically Generated Large-Scale Dataset
    Geon Choi*, Hangyul Yoon*, Hyunju Shin, Hyunki Park, Sang Hoon Seo, Eunho Yang, Edward Choi (*Equal Contribution)
    IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2026.
    PDF

  2. NeurIPS
    CXReasonBench: A Benchmark for Evaluating Structured Diagnostic Reasoning in Chest X-rays
    Hyungyung Lee, Geon Choi, Jung-Oh Lee, Hangyul Yoon, Hyuk Gi Hong, Edward Choi
    Conference on Neural Information Processing Systems (NeurIPS) Datasets and Benchmarks, 2025.
    Spotlight Presentation (63/1995=3.2%)
    PDF Code

  3. Lunguage: A Benchmark for Structured and Sequential Chest X-ray Interpretation
    Jong Hak Moon, Geon Choi, Paloma Rabaey, Min Gwan Kim, Hyuk Gi Hong, Jung-Oh Lee, Hangyul Yoon, Eun Woo Doe, Jiyoun Kim, Harshita Sharma, Daniel C. Castro, Javier Alvarez-Valle, Edward Choi
    Preprint, 2025.
    PDF


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