Contact

• codnjs3@g.skku.edu

Research Interests

• Deepfake based on AI

• AI-generated Contents (AIGC) Analysis & Detection

• Multimodal Deep Learning

Education

• Sungkyunkwan University, Republic of Korea (2021.03 - Present)

     Ph.D. candidate in Dept. of Applied Artificial Intelligence

• Indiana University Bloomington, U. S. (2024.09 - 2025.03)

     Visiting scholar in Luddy School of Informatics, Computing and Engineering

• Hanyang University, Republic of Korea (2018.03 - 2021.02)

     Bachelor’s  in Division of Interdisciplinary Computing Technology

• Hanyang University, Republic of Korea (2016.03 - 2021.02)

     Bachelor’s in School of Sports Science

Publication

(* = (co-)corresponding author, ** = equal contributions) 

[2026]

• • Chaewon Kang, Youjin Lee, Haewoon Kwak, Jisun An, Jinyoung Han*, "If I Change Your Eyes, Are You Still You? Identity Thresholds in Deepfake Perception," The ACM CHI Conference on Human Factors in Computing Systems 2026 (CHI EA), Jan. 2026. (BK IF = 4) [url]

  • Chaewon Kang, Youjin Lee, Jinyoung Han*, "HAUTE: Harmonizing Action Units with Temporal-contextual Embeddings for Deepfake Detection," The ACM Web Conference 2026 (WWW), Jan. 2026. (BK IF = 4) [url]

  • Ryunho Kim, Chaewon Kang, Jinyoung Han, YunSeok Choi*, "RLAIF Framework for Improving the Quality of AI-Generated News via Segment-Level PPO," Korean Institute of Intelligent Systems, Jan. 2026. [url]

[2025]

• • Changi Choi, Chaeyoung Park, Linwoo Kim, Chaewon Kang, Jinyoung Han*, "A Comparative Analysis of Linguistic Characteristics and Detectability between Multilingual AI-Generated and Human-Written News," The Korean Institute of Communications and Information Sciences, Nov. 2025. [url]

  • Chaewon Kang, Seoyoon Jeong, Jonghyun Lee, Daejin Choi, Simon S. Woo, Jinyoung Han*, "HiDF: A Human-Indistinguishable Deepfake Dataset," ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), Aug. 2025. (BK IF = 4) [url] [dataset] [github]

  • Migyeong Kang, Minhan Cho, Saejin Ju, Sihyeon Yang, Chaewon Kang, Hyunseon Won, Seoyoon Jeong, Goun Choi, Jinyoung Han*, "A Comparative Analysis of Linguistic Characteristics and Detectability between Multilingual AI-Generated and Human-Written News," The Korean Institute of Information Scientists and Engineers, Jul. 2025. [url]

  • Jinyoung Han, Seungbae Kim, Daeun Lee, Chaewon Kang, Hyolim Jeon, "Recent Trends and Future Directions in Multimodal Artificial Intelligence for Supporting Language Disorders," The Korean Institute of Information Scientists and Engineers, Fab. 2025. [url]

  • Jonghyun Lee, Chaewon Kang, Jinyoung Han*, "A Study on the Prediction of Iron Temperature using Tuyere and Tap-hole Images in a Steelmaking Plant," The Korean Institute of Communications and Information Sciences Winter Conference, Fab. 2025. [url]

[2024]

• • Chaewon Kang**, Jinyoung Han**, Seongmin Son, Sunhwa Lee, Hyunjeong Baek, Daniel Duck-Jin Hwang*, Ji In Park*, "Optimizing Anemia Management Using Artificial Intelligence for Patients Undergoing Hemodialysis," Scientific Reports, Oct. 2024. (SCI, JCR 2021 IF = 4.996). [url]

  • Juho Jung, Chaewon Kang, Jeewoo Yoon, Seungbae Kim, Jinyoung Han*, "HiQuE: Hierarchical Question Embedding Network for Multimodal Depression Detection," In Proceedings of the 33rd ACM International Conference on Information and Knowledge Management (CIKM), Oct. 2024 (pp.1049-1059). (BK IF = 3) [url]

  • Seoyoon Jeong, Chaewon Kang, Simon S. Woo, Jinyoung Han*, "Predicting the Virality of Deepfake Content on Social Networks," The 5th Korea Artificial Intelligence Conference, Sep. 2024. [url]

[2023]

• • Juho Jung, Chaewon Kang, Jeewoo Yoon, Simon S. Woo, Jinyoung Han*, "SAFE: Sequential Attentive Face Embedding with Contrastive Learning for Deepfake Video Detection," In Proceedings of the 32nd ACM International Conference on Information and Knowledge Management (CIKM), Oct. 2023 (pp. 3993-3997). (BK IF = 3) [url]

  • Chaewon Kang, Jeewoo Yoon, Daeun Lee, Migyeong Kang, Seohyun Lim, Juho Jung, Sejung Son, Jinyoung  Han*, "Toward Natural and Intelligible Speech Synthesis: An Empirical Study on Transfer Learning." The Korean Institute of Broadcast and Media Engineers Conference Proceedings, Jul. 2023 (pp. 1048-1051). [url]

  • Jiwon Kang, Chaewon Kang, Jeewoo Yoon, Houggeun Ji, Taihu Li, Hyunmi Moon, Minsam Ko, and Jinyoung Han*, "Dancing on the Inside: A Qualitative Study on Online Dance Learning with Teacher-AI Cooperation," Education and Information Technologies, Mar. 2023. (SSCI, IF = 4.8). [url]

[2022]

• • Chaewon Kang, Jeewoo Yoon, Daejin Choi, Eunil Park, Sangheon Pack, Jinyoung Han*, "TransTraffic: A Practical Approach for Low Resource Data," 2022 13th International Conference on Information and Communication Technology Convergence (ICTC). IEEE, Nov. 2022. [url]

  • Jeewoo Yoon, Chaewon Kang, Seungbae Kim, and Jinyoung Han*, "D-Vlog: Multimodal Vlog Dataset for Depression Detection," AAAI Conference on Artificial Intelligence (AAAI), Feb. 2022. (BK IF = 4) [url] [dataset]

Projects

* MSIT = Ministry of Science and ICT of the Republic of Korea
* NRF = National Research Foundation of Korea
* KIPoT = Development of Cyber Investigation System technology Program through the Korea Institutes of Police Technology

• • [2025.04-2027.12] Development of a Verification System for Detecting Disinformation and Manipulated Content (KIPoT)

  • [2024.04-2025.12] Development of Reliable, Secure, and Safe Human-AI Alignment Techniques (MSIT)

  • [2024.07-2025.12] D^2 (Deepfake & Disinformation) Research Center (MSIT)

  • [2024.07-2025.12] Pioneer Research Group for Socially Responsible Artificial Intelligence (MSIT)

  • [2023.03-2026.02] A Clinical Decision Support System for Retinal Disease Detection with Explainable AI (NRF)

  • [2024.07-2025.04] Semantic Information Extraction-Networking Convergence Technology for Trustworthy Social Safety Surveillance Systems (NRF)

  • [2023.09-2024.12] Advanced and Proactive AI Platform Research and Development Against Malicious Deepfakes (MSIT)

• [2023.11-2024.09] Development of a multimodal artificial intelligence model for diagnosing types of aphasia language disorder (NRF)

• [2021.03-2023.08] User-Centered Artificial Intelligence for Service Design (MSIT)

• [2021.06-2024.02] Study on Self-Driving B5G Networks towards Federated Private-5G (MSIT)

Awards & Talk

• • 2025 SKKU AI Colloquium, Poster Session

  • 2nd Prize, Best Student Researcher Awards, Sungkyunkwan University, Aug. 2025.

Teaching

• • Data Creator Camp [Organizer: K-ICT Big Data Center, National Information Society Agency (NIA) / Supported by Ministry of Science and ICT] (Oct 2025) - Mentor

  • Undergraduate Research Program (URP) (Summer, 2025), Sungkyunkwan University - TA

  • NH Data Science Course (Spring, 2025), Sungkyunkwan University - TA

  • [DAI5004] Advanced Machine Learning/Deep Learning (Spring, 2025), Sungkyunkwan University - TA

  • Literacy Coaching: Digital and Communication (Oct. and Nov., 2024), Busan University of Foreign Studies - Instructor

  • Generative AI Technology Trends Lecture (July, 2024), National Information Society Agency (NIA) - TA

  • NH Data Science Course (Spring, 2024), Sungkyunkwan University - TA

  • [DAI5004] Advanced Machine Learning/Deep Learning (Spring, 2024), Sungkyunkwan University - TA

  • Undergraduate Research Program (URP) (Winter, 2024), Sungkyunkwan University - TA

  • Data Creator Camp [Organizer: K-ICT Big Data Center, National Information Society Agency (NIA) / Supported by Ministry of Science and ICT] (Oct 2023) - Mentor

  • Undergraduate Research Program (URP) (Summer, 2023), Sungkyunkwan University - TA

• AI Utilizing Analysis Infrastructure: Middle/High School Online Real-Time Course [Organizer: K-ICT Big Data Center, National Information Society Agency (NIA) / Supported by Ministry of Science and ICT] (2023. 07) - Instructor

• [EMBA130] Artificial Intelligence and Data Science (Spring, 2023), Sungkyunkwan University - TA 

• Undergraduate Research Program (URP) (Spring, 2023), Sungkyunkwan University - TA

• NH Data Science Course (Spring, 2023), Sungkyunkwan University - TA

• [DAI5004] Advanced Machine Learning/Deep Learning (Spring, 2023), Sungkyunkwan University - TA

• Data Creator Camp [Organizer: K-ICT Big Data Center, National Information Society Agency(NIA) / Supported by Ministry of Science and ICT] (Oct 2022) - Mentor

• Learning Assistant Mentoring (Fall, 2022), Sungkyunkwan University - TA

• [AAI3006] Machine Learning (Fall, 2022), Sungkyunkwan University - TA

• Undergraduate Research Program (URP) (Jun-Jul, 2022), Sungkyunkwan University - TA

• [HAI5008] Human-Centered Machine Learning (Fall, 2021), Sungkyunkwan University - TA