Geon Choi | KAIST Graduate School of AI

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 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

[Apr. 2026] A paper (Lunguage) is accepted to CHIL 2026.
[Mar. 2026] I started Ph.D. at KAIST AI.
[Feb. 2026] A paper (ILS) is accepted to CVPR 2026.

Publications

CHIL

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

Conference on Health, Inference, and Learning (CHIL), 2026.

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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.

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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%)

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