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Jun Hyung Kim

Korea Advanced Institute of Science and Technology · Computer Science

About the Lab

Professor Jun Hyung Kim's research lab specializes in computational intelligence and multimedia data analysis, with a focus on image processing, stereo matching, and automated image co-registration for medical and real-world applications. The lab also investigates social media dynamics, particularly the detection and analysis of coordinated online behavior such as foreign-state troll activities on news platforms. Recent work extends into multimodal analysis of moral emotions in online video content, emphasizing cross-cultural comparisons and ethical implications of digital communication.

image segmentationstereo matchingsocial media analysistroll detectionmultimodal emotion recognition

Research Overview

Papers
8
Total Citations
62
Papers (5y)
8
Primary Field
Computer Science

Research Output Trend

Figures are computed from collected data and may differ slightly.

Publications per year (5y)
8total
2003
2009
2019
2026
Citations per year (5y)
62total
2003200920192026

Selected Papers

8
1
Article|56 citations·2003
The effect of sildenafil on oesophageal motor function in healthy subjects and patients with nutcracker oesophagus
Jangwon Lee, Hyojin Park, J. H. Kim, S. I. Lee, Jeffrey L. Conklin
SJR Q1Neurogastroenterology & MotilityOA

Type 5 phosphodiesterase terminates the action of nitric oxide (NO) induced 3',5'-cyclic monophosphate (cGMP). Sildenafil inhibits this phosphodiesterase, increases cellular cGMP concentrations and enhances NO-induced smooth muscle relaxation. We investigated the effect of sildenafil on the oesophageal motor function of healthy subjects and patients with nutcracker oesophagus. Eight healthy volunteers and nine patients with nutcracker oesophagus participated in this study. The participants under

GastroenterologyMedicine
2
Article|3 citations·2003
브릿지형 힌지 메커니즘을 이용한 압전구동기의 최적화
김준형, 김수현, 곽윤근
http://www.metric.or.kr/info/scholar/content.asp?p_id=36378&s_code=JP
3
Article|2 citations·2019
Block-Based Stereo Matching Using Image Segmentation
J. H. Kim, Cheolhyeong Park, D.S. Lee
SJR Q4The Journal of Korean Institute of Communications and Information Sciences

본 논문에서는 영상 분할(image segmentation)을 이용한 블록(block) 기반의 스테레오 정합(stereo matching) 기법을 제안한다. 블록 기반의 매칭 방식은 스테레오 정합 알고리즘 중 국부적 방법의 가장 대표적인 알고리즘이다. 그러나 스테레오 정합 문제에 적용될 때 가려진 영역(occlusion)이나 텍스쳐(texture) 정보가 부족한 영역에서 오정합 발생 확률이 매우 높아 만족할 만한 성능을 제공하지 못한다. 본 논문에서 제안하는 알고리즘은 영상을 분할하여 정확한 경계정보를 획득한 다음 한 영상의 작은 영역에 대하여 상관성이 가장 높은 영역이나 차이값이 가장 낮은 영역을 참조 영상에서 탐색하여 기존의 알고리즘보다 더 높은 정확도를 제공한다. Middlebury dataset에서 제공된 영상들을 활용하여 스테레오 영상에 적용한 실험 결과들은 제안된 알고리즘이 기존의 블록 기반 알고리즘보다 더 좋은 성능을 보여주는 것을 입증해준다.

Computer Vision and Pattern RecognitionComputer Science
4
Article|1 citations·2009
Automated TM/ETM+ image co-registration using pre-qualified area matching and studentized outlier detection
Joon Heo, J. H. Kim, Yang Dam Eo, H-G Sohn
SJR Q2The Imaging Science Journal

Automated image co-registration is a process of matching an image to a reference image by deriving transformation parameters to shift co-incident points in the real world to match in the image space. In order to improve efficiency and effectiveness of the co-registration approach, the author proposed a pre-qualified area matching algorithm which is composed of feature extraction with Canny operator and area matching algorithm with cross correlation coefficient. For refining matching points, outl

Computer Vision and Pattern RecognitionComputer Science
5
dataset|0 citations·2026
Two-Decade South Korean Naver News Comment Dataset for Troll Detection
J. H. Kim, Hyeonseung Kim, Jiseon Kim, Alice Oh, Thorsten Holz, Wonjae Lee, Meeyoung Cha
Zenodo (CERN European Organization for Nuclear Research)OA

This dataset contains 112,658,554 comments from 4,047,831 users across 4,267,824 articles on Naver News (2006–2025), including 24,068 suspected foreign-state troll users (70 known trolls and 23,998 detected trolls) and 4,023,763 non-troll users. Usernames are partially masked to protect user privacy. Appendix A provides a detailed summary of the dataset statistics. Title: Cross-National Information Attacks: A Two-Decade Analysis of Troll Behavior in Korea Paper link: TBD

6
other|0 citations·2026
Moral Outrage Shapes Commitments Beyond Attention: Multimodal Moral Emotions on YouTube in Korea and the US
Seongchan Park, J. H. Kim, Hyeonseung Kim, Heejin Bin, Sue Moon, Wonjae Lee
Zenodo (CERN European Organization for Nuclear Research)OA

Official artifact release accompanying the WebConf 2026 paper "Moral Outrage Shapes Commitments Beyond Attention: Multimodal Moral Emotions on YouTube in Korea and the US". This release includes: Fine-tuned multimodal moral emotion classification models Inference and evaluation scripts Documentation and usage examples This repository is archived via Zenodo to ensure long-term accessibility and reproducibility.

7
other|0 citations·2026
Moral Outrage Shapes Commitments Beyond Attention: Multimodal Moral Emotions on YouTube in Korea and the US
Seongchan Park, J. H. Kim, Hyeonseung Kim, Heejin Bin, Sue Moon, Wonjae Lee
Zenodo (CERN European Organization for Nuclear Research)OA

Official artifact release accompanying the WebConf 2026 paper "Moral Outrage Shapes Commitments Beyond Attention: Multimodal Moral Emotions on YouTube in Korea and the US". This release includes: Fine-tuned multimodal moral emotion classification models Inference and evaluation scripts Documentation and usage examples This repository is archived via Zenodo to ensure long-term accessibility and reproducibility.

8
Article|0 citations·2003
압전 바이모프의 타원운동을 이용한 정밀 이동기구 개발
박한길, 김준형, 김수현, 곽윤근
http://www.metric.or.kr/info/scholar/content.asp?p_id=37253&s_code=JP

Research Areas

Computer Vision and Pattern RecognitionGastroenterology

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