Repository Collection: null https://dspace.hansung.ac.kr/handle/2024.oak/10293 2026-09-09T17:06:35Z Deceptive Synthetic Updates: Stealth Free-Rider Attack on Model Aggregation in Federated Learning https://dspace.hansung.ac.kr/handle/2024.oak/10774 Title: Deceptive Synthetic Updates: Stealth Free-Rider Attack on Model Aggregation in Federated Learning Author(s): Youngjoon Lee; Jinu Gong; Joonhyuk Kang 2025-10-31T15:00:00Z A Study on Camera Lens Distortion Coefficients Estimation and Correction Technology Optimized for Image Region https://dspace.hansung.ac.kr/handle/2024.oak/10766 Title: A Study on Camera Lens Distortion Coefficients Estimation and Correction Technology Optimized for Image Region Author(s): Kyongeun Park, Jongtaek Oh 2025-10-31T15:00:00Z A quantitative method for evaluating GNSS signal disruption in sports stadiums https://dspace.hansung.ac.kr/handle/2024.oak/10763 Title: A quantitative method for evaluating GNSS signal disruption in sports stadiums Author(s): Mingu Kim; Katie L. Mills; Bit Kim; Chulwoo Park; Jinsung Yoon; Tom Parkinson; Johsan Billingham 2025-10-31T15:00:00Z Implementation and Performance Analysis of RTK-GNSS in Wearable Devices for Athletes in Harsh Environments https://dspace.hansung.ac.kr/handle/2024.oak/10762 Title: Implementation and Performance Analysis of RTK-GNSS in Wearable Devices for Athletes in Harsh Environments Author(s): Mingu Kim; Bit Kim; Chulwoo Park; Jinsung Yoon 2025-04-30T15:00:00Z