publications

2026

1. CVPRW

   Look Closer: Action-Guided Dense Visual Dynamics for Proficiency Estimation

   Deokhyun Ahn, Hyukjin Kim, Jae-Ho Han, Bumsub Ham, Heeseung Choi, Ig-Jae Kim, and Haksub Kim

   In Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW): Multimodal Human Motion Analysis, 2026

   Accepted (Pitch & Poster presentation)
2. IEEE Access

   Learning Robust Representations for Few-Shot Action Recognition with Frame-Level Ambiguities

   Deokhyun Ahn, Yongjin Jo, Ui-Seok Lee, Haesol Park, Jae-Ho Han, and Haksub Kim

   IEEE Access, 2026

   Submitted
3. BMVC

   BUSTER: Adaptive Sampling for VLM-Guided Unsupervised Video Anomaly Detection

   Deokhyun Ahn, Yonghun Choi, Jae-Ho Han, Ig-Jae Kim, and Haksub Kim

   In Proceedings of the British Machine Vision Conference (BMVC), 2026

   Accepted

2025

1. TIP

   Where and What: Contextual Dynamics-Aware Anomaly Detection in Surveillance Videos

   Deokhyun Ahn, Yongjin Jo, DongBum Kim, Gi Pyo Nam, Jae-Ho Han, and Haksub Kim

   IEEE Transactions on Image Processing, 2025

   IF 13.7 · top 2.2% in Electrical & Electronic Engineering

   Bib HTML

   @article{ahn2025where,
     title = {Where and What: Contextual Dynamics-Aware Anomaly Detection in Surveillance Videos},
     author = {Ahn, Deokhyun and Jo, Yongjin and Kim, DongBum and Nam, Gi Pyo and Han, Jae-Ho and Kim, Haksub},
     journal = {IEEE Transactions on Image Processing},
     year = {2025},
     note = {IF 13.7 · top 2.2\% in Electrical \& Electronic Engineering},
   }

2. ESWA

   A Foundational Research Framework for Real-World Abandoned Object Detection: Train-Free Baseline and a Standardized Benchmark

   DongBum Kim, Deokhyun Ahn, Yongjin Jo, Haesol Park, Sangyoun Lee, and Haksub Kim

   Expert Systems with Applications, 2025

   Bib HTML

   @article{kim2025abandoned,
     title = {A Foundational Research Framework for Real-World Abandoned Object Detection: Train-Free Baseline and a Standardized Benchmark},
     author = {Kim, DongBum and Ahn, Deokhyun and Jo, Yongjin and Park, Haesol and Lee, Sangyoun and Kim, Haksub},
     journal = {Expert Systems with Applications},
     pages = {130658},
     year = {2025}
   }

2018

1. Sensors

   A Passive Tracking System Based on Geometric Constraints in Adaptive Wireless Sensor Networks

   Biao Zhou, Deokhyun Ahn, J. Lee, C. Sun, S. Ahmed, and Youngok Kim

   Sensors, 2018

   Bib HTML PDF

   @article{zhou2018passive,
     title = {A Passive Tracking System Based on Geometric Constraints in Adaptive Wireless Sensor Networks},
     author = {Zhou, Biao and Ahn, Deokhyun and Lee, J. and Sun, C. and Ahmed, S. and Kim, Youngok},
     journal = {Sensors},
     volume = {18},
     number = {10},
     pages = {3276},
     year = {2018}
   }

2016

1. JKICS

   2D Indoor Map Building Scheme Using Ultrasonic Module

   Deokhyun Ahn, Nammoon Kim, Ji-Hye Park, and Youngok Kim

   Journal of the Korean Institute of Communications and Information Sciences, 2016

   Bib HTML

   @article{ahn20162d,
     title = {2D Indoor Map Building Scheme Using Ultrasonic Module},
     author = {Ahn, Deokhyun and Kim, Nammoon and Park, Ji-Hye and Kim, Youngok},
     journal = {Journal of the Korean Institute of Communications and Information Sciences},
     volume = {41},
     number = {8},
     pages = {986--994},
     year = {2016}
   }