Controlled data,
traceable model behavior.

Ph.D. in vision-language models & agent, POSTECH, advised by Prof. Tae-Hyun Oh · prev. Research Intern at Huawei Noah's Ark Lab, London

I build controllable multimodal data so that model behavior becomes understandable and traceable — from model improvement to model evaluation. I am also interested in deploying models as autonomous agents.

SEEKING FULL-TIME POSITION FROM AUG 2026

Experience & Education

2025.01 — 2025.12
Research Intern · Huawei Noah's Ark Lab, London
Full-time, extended. Built RetouchLLM, a training-free agentic image-retouching framework using VLMs as iterative code-based editors. With Roy Miles, Ismail Elezi, and Jiankang Deng.
2022.03 — 2026.08 (exp.)
Ph.D. in Electrical Engineering · POSTECH
Thesis: Controllable Multi-modal Synthetic Data: Methods for Model Improvement and Evaluation.
Advisor: Prof. Tae-Hyun Oh.
2020.03 — 2022.02
M.S. in Electrical Engineering · POSTECH (Sports AIX Program)
Thesis: Data and Annotation Efficient Image Recognition and Segmentation.
Advisor: Prof. Tae-Hyun Oh.
2016.03 — 2020.02
B.S. in Electrical and Electronics Engineering · Chung-Ang University
Department Honors.

Publications

† equal contribution · full list on Google Scholar
UNDER REVIEWGUI agent

Entropy-Aware GUI Grounding: From Failure Analysis to Improved Localization

Chengxin Liu, Moon Ye-Bin, Tae-Hyun Oh
Work done with Samsung DS

Awards & Honors

Patents

US — Granted

  • Method and Electronic Device for Recognizing Object Based on Mask UpdateUS 12,602,904 B2 · Granted Apr. 2026
  • Method and Apparatus for Training Artificial Intelligence Based on Episode MemoryUS 12,608,604 B2 · Granted Apr. 2026

US — Applications

Korea — Granted

  • Method and Apparatus for Generating 3D HDR Radiance FieldsKR 10-2742898 B1
  • Data Compression Method Based on Full-rank Reduced ParameterizationKR 10-2849124 B1

Korea — Applications

Academic Service

Industry Projects

  • GUI AgentSamsung DS, 2026
  • Localized Image RetrievalSamsung Research, 2024
  • Time-series Regression with LLMsSamsung SAIT, 2024
  • Abnormal and Danger Signs Detection with LLMsKRIT, 2023–24
  • Video Panoptic Segmentation and Depth EstimationETRI, 2022
  • Data Augmentation for Domain Adaptive Object DetectionLG Display, 2022
  • Weakly-supervised Low-shot Instance SegmentationETRI, 2021
  • Self-supervised Few-shot Learning by Episodic Instance DiscriminationETRI, 2020