DNS Lab Chonnam Natl. University

Research

Here you can find published research conducted at DNS Lab.

All

2026

Communication-Aware Adaptive Decentralized Traffic Signal Control via Broadcast gate
Minjun Choi, Geonmin Kim, Hyeonji Jang, Md Illias Bappi, Kyungbaek Kim
2026 Seventeenth International Conference on Ubiquitous and Future Networks (ICUFN)  ·  01 Jul 2026  ·  doi:10.1109/ICUFN69619.2026.11628618
Reliable Federated Fine-Tuning for Multilingual ASR
Shivani Sanjay Kolekar, Md Ilias Bappi, Kyungbaek Kim
2026 IEEE 46th International Conference on Distributed Computing Systems Workshops (ICDCSW)  ·  01 Jun 2026  ·  doi:10.1109/ICDCSW72724.2026.00017
Robust Self-Supervised Learning for Reliable Pain Assessment under Incomplete Physiological Signals
Md Ilias Bappi, Urusha Shakhakarmi, Kyungbaek Kim
Annual Conference of KIPS  ·  20 May 2026  ·  doi:10.3745/PKIPS.y2026m05a.725
Improve SQL Injection Classification with Feature Engineering
Kimhor Mong, Tumur-Ochir Bayaraa, Kyungbaek Kim
Annual Conference of KIPS  ·  20 May 2026  ·  doi:10.3745/PKIPS.y2026m05a.161
Distance-Aware LiDAR Odometry with Dynamic Object Suppression Using Two-Stage ICP
Ugur Ercelik, Kyungbaek Kim
Annual Conference of KIPS  ·  20 May 2026  ·  doi:10.3745/PKIPS.y2026m05a.729
PLDC‐Net: A Domain‐Specific Base Model for Plant Leaf Disease Classification Domain Adaptation Tasks
David J. Richter, Kyungbaek Kim
Plant Direct  ·  01 Apr 2026  ·  doi:10.1002/pld3.70167
HCLmNet: A unified hybrid continual learning strategy multimodal network for lung cancer survival prediction
MD Ilias Bappi, David J. Richter, Shivani Sanjay Kolekar, Kyungbaek Kim
PLOS One  ·  24 Mar 2026  ·  doi:10.1371/journal.pone.0316509
HCAPO: Transformer-Based Adaptive Policy Orchestration for Hybrid-Cloud Security
Geonmin Kim, Yejin Kim, Taerim Kim, Kyungbaek Kim
2026 International Conference on Artificial Intelligence in Information and Communication (ICAIIC)  ·  24 Feb 2026  ·  doi:10.1109/ICAIIC68212.2026.11454309
Multi-Scale Convolutional Reconstruction Defense Against Adversarial and Real-World Corruptions in Plant Disease Recognition
MD Ilias Bappi, Urusha Shakhakarmi, Jisoo Shin, Kyungbaek Kim
2026 International Conference on Artificial Intelligence in Information and Communication (ICAIIC)  ·  24 Feb 2026  ·  doi:10.1109/ICAIIC68212.2026.11454422
Federated Speech Encoder Fine-Tuning for Multilingual Cross Site Parkinson's Speech Classification: Performance Fairness Analysis
Shivani Kolekar, Jisoo Shin, Haewoon Nam, Kyungbaek Kim
2026 International Conference on Artificial Intelligence in Information and Communication (ICAIIC)  ·  24 Feb 2026  ·  doi:10.1109/ICAIIC68212.2026.11454181
Evaluating Knowledge Distillation for Plant Leaf Disease Classification
David J. Richter, Md Ilias Bappi, Kyungbaek Kim
2026 International Conference on Artificial Intelligence in Information and Communication (ICAIIC)  ·  24 Feb 2026  ·  doi:10.1109/ICAIIC68212.2026.11454411
ATC-FL: Adaptive Thompson Sampling for Efficient Clustering in Federated Learning
Shivani Sanjay Kolekar, Jisoo Shin, David J. Richter, Kyungbaek Kim
IEEE Access  ·  01 Jan 2026  ·  doi:10.1109/ACCESS.2026.3676500
An Improved Small Defect Classification System Using Image Patching Methodology on Aluminum Car Doors
Ugur Ercelik, Hyeonseok Jin, Longfei Li, Kyungbaek Kim
IEEE Access  ·  01 Jan 2026  ·  doi:10.1109/ACCESS.2026.3650927
Execution-Aware Stage-Wise Evaluation Framework for Indirect Prompt Injection in LLM-Based Email Agents
Hyeonji Jang, Eunseong Lee, Kyungbaek Kim, Misoo Kim
IEEE Access  ·  01 Jan 2026  ·  doi:10.1109/ACCESS.2026.3723800

2025

An encoder-based defense mechanism against adversarial attacks in plant leaf disease classification
Md Ilias Bappi, Taejune Park, Kyungbaek Kim
Annual Conference of KIPS  ·  06 Nov 2025  ·  doi:10.3745/PKIPS.y2025m11a.256
Efficient Fashion Complementary Prediction via 4-bit Quantized LLM Fine-Tuning with LoRA
Oluwabukola Dere Roshidat, Kyungbaek Kim
Annual Conference of KIPS  ·  06 Nov 2025  ·  doi:10.3745/PKIPS.y2025m11a.787
DMTR Norm: Improving the Performance of Handwriting Verification Model with Distortion Minimized Text Region Preprocessing
SeYeon Jeong, MyeongHoon Lee, HyeonSu Jung, KyungBaek Kim
2025 IEEE International Conference on Metrology for eXtended Reality, Artificial Intelligence and Neural Engineering (MetroXRAINE)  ·  22 Oct 2025  ·  doi:10.1109/MetroXRAINE66377.2025.11340228
Deep learning-based diabetic retinopathy recognition and grading: Challenges, gaps, and an improved approach — A survey
Md Ilias Bappi, Jannat Afrin Juthy, Kyungbaek Kim
ICT Express  ·  01 Oct 2025  ·  doi:10.1016/j.icte.2025.08.001
Edge-Based Policy Caching for Low Latency Security Enforcement in Hybrid Clouds
Geonmin Kim, Yejin Kim, Eunseong Lee, Hyeonji Jang, Kyungbaek Kim
2025 25th Asia-Pacific Network Operations and Management Symposium (APNOMS)  ·  22 Sep 2025  ·  doi:10.23919/APNOMS67058.2025.11181398
Sensitivity-aware Federated ASR Fine-Tuning with Balancing Accuracy and Network Cost
Shivani Kolekar, Kyungbaek Kim
2025 25th Asia-Pacific Network Operations and Management Symposium (APNOMS)  ·  22 Sep 2025  ·  doi:10.23919/APNOMS67058.2025.11181385
A Survey on Video Big Data Analytics: Architecture, Technologies, and Open Research Challenges
Thi-Thu-Trang Do, Quyet-Thang Huynh, Kyungbaek Kim, Van-Quyet Nguyen
Applied Sciences  ·  21 Jul 2025  ·  doi:10.3390/app15148089
Assessing the performance of domain-specific models for plant leaf disease classification: a comprehensive benchmark of transfer-learning on open datasets
David J. Richter, Kyungbaek Kim
Scientific Reports  ·  30 May 2025  ·  doi:10.1038/s41598-025-03235-w
Exploring the Impact of Data Augmentation Techniques on Parkinson’s Disease Detection Using S-BERT
Md Ilias Bappi, Kyungbaek Kim
Annual Conference of KIPS  ·  29 May 2025  ·  doi:10.3745/PKIPS.y2025m05a.705
TSPM: Two-stage Spatiotemporal Prediction Module with Floor Plan for Effective Building Energy Prediction
Hyeonseok Jin, Kyungbaek Kim
Annual Conference of KIPS  ·  29 May 2025  ·  doi:10.3745/PKIPS.y2025m05a.683
SSDC-MiniNet: A Tiny CNN Steel Surface Defect Classifier
Adam Pradipta, David J. Richter, Kyungbaek Kim
Annual Conference of KIPS  ·  29 May 2025  ·  doi:10.3745/PKIPS.y2025m05a.713
PLDC-80: A Combined Augmented Hybrid Plant Leaf Disease Classification Benchmarking Dataset
David J. Richter, Kyungbaek Kim
Annual Conference of KIPS  ·  29 May 2025  ·  doi:10.3745/PKIPS.y2025m05a.687
Resource-Efficient Federated Fine-Tuning of LLMs for Downstream Tasks of Speech Recognition
Shivani Sanjay Kolekar, Kyungbaek Kim
NOMS 2025-2025 IEEE Network Operations and Management Symposium  ·  12 May 2025  ·  doi:10.1109/NOMS57970.2025.11073667
Enhancing deep learning models for predicting smoking Status using clinical data in patients with chronic obstructive pulmonary disease
Sehyun Cho, Hyeonseok Jin, Kyungbaek Kim, Sola Cho, Ja Yun Choi
DIGITAL HEALTH  ·  01 May 2025  ·  doi:10.1177/20552076251393380
Enhancing Vision-Based Cigarette Smoke Detection in Smart Vehicles by Transfer Learning
MD Ilias Bappi, Hyeonseok Jin, Kyungbaek Kim
Journal of Digital Contents Society  ·  30 Apr 2025  ·  doi:10.9728/dcs.2025.26.4.1041
Solar Power Generation Forecasting Using a Hybrid LSTM-Linear Model with Multi-Head Attention
Hyeonseok Jin, David J. Richter, Ilias Bappi, Kyungbaek Kim
The Transactions of the Korea Information Processing Society  ·  28 Feb 2025  ·  doi:10.3745/TKIPS.2025.14.2.123
STMFNet: Spatial Texture Multi-Scale Feature Fusion Attention Network for Diabetic Retinopathy Classification
MD Ilias Bappi, Md Monir Ahammod Bin Atique, Kyungbaek Kim
2025 International Conference on Artificial Intelligence in Information and Communication (ICAIIC)  ·  18 Feb 2025  ·  doi:10.1109/ICAIIC64266.2025.10920810
Assessing the Impact of State-Space Complexity on an Image Based DQN via the Game of Snake
David J. Richter, Kyungbaek Kim
2025 International Conference on Artificial Intelligence in Information and Communication (ICAIIC)  ·  18 Feb 2025  ·  doi:10.1109/ICAIIC64266.2025.10920778
Assessing the Effectiveness of Augmentation Techniques in Enhancing Plant Leaf Disease Classification
MD Ilias Bappi MD Ilias Bappi, David J. Richter David J. Richter, Kyungbaek Kim
Korean Institute of Smart Media  ·  31 Jan 2025  ·  doi:10.30693/SMJ.2025.14.1.17
Enhancing Employee Turnover Prediction: An Advanced Feature Engineering Analysis with CatBoost
Md Monir Ahammod Bin Atique, Md Ilias Bappi, Kwanghoon Choi, Kyungbaek Kim, Md Abul Ala Walid, Pranta Kumar Sarkar
Computer Systems Science and Engineering  ·  01 Jan 2025  ·  doi:10.32604/csse.2025.069213
Deformable Dynamic Convolution for Accurate yet Efficient Spatio-Temporal Traffic Prediction
Hyeonseok Jin, Geonmin Kim, Kyungbaek Kim
arXiv  ·  01 Jan 2025  ·  doi:10.48550/arXiv.2507.11550
DATC-STP: Towards Accurate yet Efficient Spatiotemporal Prediction With Transformer-Style CNN
Hyeonseok Jin, Kyungbaek Kim
IEEE Access  ·  01 Jan 2025  ·  doi:10.1109/ACCESS.2025.3573639
A Data-Driven Model to Predict Regular Strength Exercise Patterns in Patients With Chronic Obstructive Pulmonary Disease: A Secondary Analysis
Hyeonseok Jin, Ja Yun Choi, Sehyun Cho, Kyungbaek Kim
IEEE Access  ·  01 Jan 2025  ·  doi:10.1109/ACCESS.2025.3623702
STE-NTP: A Long-Short Period Aware Network Traffic Prediction Model
Longfei Li, Kyungbaek Kim
IEEE Access  ·  01 Jan 2025  ·  doi:10.1109/ACCESS.2025.3545117
A Systematic Review of the Current State of Transfer Learning Accelerated CNN-Based Plant Leaf Disease Classification
David J. Richter, Md Ilias Bappi, Shivani Sanjay Kolekar, Kyungbaek Kim
IEEE Access  ·  01 Jan 2025  ·  doi:10.1109/ACCESS.2025.3584404

2024

Precision Lung Cancer Segmentation from CT & PET Images Using Mask2Former
Md Ilias Bappi, Kyungbeak Kim
Annual Conference of KIPS  ·  31 Oct 2024  ·  doi:10.3745/PKIPS.y2024m10a.653
A Study of MultiModal Foundation Model in Fashion Recommendation
Oluwabukola Dere Roshidat, Kyungbeak Kim
Annual Conference of KIPS  ·  31 Oct 2024  ·  doi:10.3745/PKIPS.y2024m10a.660
GTT-NTP: A Graph Convolutional Networks-Based Network Traffic Prediction model
Longfei Li, Kyungbaek Kim
NOMS 2024-2024 IEEE Network Operations and Management Symposium  ·  06 May 2024  ·  doi:10.1109/NOMS59830.2024.10575786
Advancing AI Voice Synthesis: Integrating Emotional Expression in Multi-Speaker Voice Generation
Shivani Sanjay Kolekar, David J. Richter, Md Ilias Bappi, Kyungbaek Kim
2024 International Conference on Artificial Intelligence in Information and Communication (ICAIIC)  ·  19 Feb 2024  ·  doi:10.1109/ICAIIC60209.2024.10463204
Multi-Convolutional Channel Residual Spatial Attention U-Net for Industrial and Medical Image Segmentation
Haoyu Chen, Kyungbaek Kim
IEEE Access  ·  01 Jan 2024  ·  doi:10.1109/ACCESS.2024.3405957
A Review of Reinforcement Learning for Fixed-Wing Aircraft Control Tasks
David J. Richter, Ricardo A. Calix, Kyungbaek Kim
IEEE Access  ·  01 Jan 2024  ·  doi:10.1109/ACCESS.2024.3433540

2023

Design of Precision Medicine Web-service Platform Towards Health Care Digital Twin
Shivani Sanjay Kolekar, Haoyu Chen, Kyungbaek Kim
2023 Fourteenth International Conference on Ubiquitous and Future Networks (ICUFN)  ·  04 Jul 2023  ·  doi:10.1109/ICUFN57995.2023.10199942

2022

A Smart Evacuation Guidance System for Large Buildings
Van-Quyet Nguyen, Huy-The Vu, Van-Hau Nguyen, Kyungbaek Kim
Electronics  ·  16 Sep 2022  ·  doi:10.3390/electronics11182938
LSTM-Based Collaborative Source-Side DDoS Attack Detection
Sungwoong Yeom, Chulwoong Choi, Kyungbaek Kim
IEEE Access  ·  01 Jan 2022  ·  doi:10.1109/ACCESS.2022.3169616

2021

Web based Microservice Framework for Survival Analysis of Lung Cancer Patient using Digital Twin
Shivani Sanjay Kolekar, Sungwoong Yeom, Chulwoong Choi, Kyungbaek Kim
Annual Conference of KIPS  ·  04 Nov 2021  ·  doi:10.3745/PKIPS.y2021m11a.537
Source-side DoS attack detection with LSTM and seasonality embedding
Sungwoong Yeom, Chulwoong Choi, Kyungbaek Kim
Proceedings of the 36th Annual ACM Symposium on Applied Computing  ·  22 Mar 2021  ·  doi:10.1145/3412841.3441987

2020

Survey on Reinforcement Learning based Efficient Routing in SDN
Hong-Nam Quach, Sungwoong Yeom, Kyungbaek Kim
The 9th International Conference on Smart Media and Applications  ·  17 Sep 2020  ·  doi:10.1145/3426020.3426072
AutoEncoder Based Feature Extraction for Multi-Malicious Traffic Classification
Sungwoong Yeom, Chulwoong Choi, Kyungbaek Kim
The 9th International Conference on Smart Media and Applications  ·  17 Sep 2020  ·  doi:10.1145/3426020.3426093
Empirical Study on SAT-Encodings of the At-Most-One Constraint
Van-Hau Nguyen, Van-Quyet Nguyen, Kyungbaek Kim, Pedro Barahona
The 9th International Conference on Smart Media and Applications  ·  17 Sep 2020  ·  doi:10.1145/3426020.3426170
Improving Performance of Collaborative Source-Side DDoS Attack Detection
Sungwoong Yeom, Kyungbaek Kim
2020 21st Asia-Pacific Network Operations and Management Symposium (APNOMS)  ·  01 Sep 2020  ·  doi:10.23919/APNOMS50412.2020.9237014
Accessing Impact of DCGAN Image Data Augmentation for CNN based Tomato Disease Classification
Ji-yeon Park, Hyeon-ji Kim, Kyungbaek Kim
Journal of Digital Contents Society  ·  31 May 2020  ·  doi:10.9728/dcs.2020.21.5.959

2019

A Scalable Approach for Dynamic Evacuation Routing in Large Smart Buildings
Van-Quyet Nguyen, Huu-Duy Nguyen, Quyet-Thang Huynh, Nalini Venkatasubramanian, Kyungbaek Kim
2019 IEEE International Conference on Smart Computing (SMARTCOMP)  ·  01 Jun 2019  ·  doi:10.1109/SMARTCOMP.2019.00065
Traffic Seasonality aware Threshold Adjustment for Effective Source-side DoS Attack Detection
KSII Transactions on Internet and Information Systems  ·  31 May 2019  ·  doi:10.3837/tiis.2019.05.023

2018

Source-Side Detection of DRDoS Attack Request with Traffic-Aware Adaptive Threshold
Sinh-Ngoc NGUYEN, Van-Quyet NGUYEN, Giang-Truong NGUYEN, JeongNyeo KIM, Kyungbaek KIM
IEICE Transactions on Information and Systems  ·  01 Jun 2018  ·  doi:10.1587/transinf.2018EDL8020
A Survey about Consensus Algorithms Used in Blockchain
Giang-Truong Nguyen, Kyungbaek Kim
Journal of Information Processing Systems  ·  28 Feb 2018  ·  doi:10.3745/JIPS.01.0024
Design and implementation of intrusion detection system using convolutional neural network for DoS detection
Sinh-Ngoc Nguyen, Van-Quyet Nguyen, Jintae Choi, Kyungbaek Kim
Proceedings of the 2nd International Conference on Machine Learning and Soft Computing  ·  02 Feb 2018  ·  doi:10.1145/3184066.3184089

2017

Real-Time Earthquake Detection Using Convolutional Neural Network and Social Data
Nguyen Van Quan, Hyung-Jeong Yang, Kyungbaek Kim, A-Ran Oh
2017 IEEE Third International Conference on Multimedia Big Data (BigMM)  ·  01 Apr 2017  ·  doi:10.1109/BigMM.2017.58
Design of a Platform for Collecting and Analyzing Agricultural Big Data
Van-Quyet Nguyen, Sinh Ngoc Nguyen, Kyungbaek Kim
Journal of Digital Contents Society  ·  28 Feb 2017  ·  doi:10.9728/dcs.2017.18.1.149
Efficient Regular Path Query Evaluation by Splitting with Unit-Subquery Cost Matrix
Van-Quyet NGUYEN, Kyungbaek KIM
IEICE Transactions on Information and Systems  ·  01 Jan 2017  ·  doi:10.1587/transinf.2017EDL8060
Assessing the Impact of DoS Attacks on IoT Gateway
Yungee Lee, Wangkwang Lee, Giwon Shin, Kyungbaek Kim
Lecture Notes in Electrical Engineering  ·  01 Jan 2017  ·  doi:10.1007/978-981-10-5041-1_43

2016

Resilient Overlays for IoT-Based Community Infrastructure Communications
Kyle E. Benson, Qing Han, Kyungbaek Kim, Phu Nguyen, Nalini Venkatasubramanian
2016 IEEE First International Conference on Internet-of-Things Design and Implementation (IoTDI)  ·  01 Apr 2016  ·  doi:10.1109/IoTDI.2015.40

2015

Assessing the impact of resource attack in Software Defined Network
Hiep T. Nguyen Tri, Kyungbaek Kim
2015 International Conference on Information Networking (ICOIN)  ·  01 Jan 2015  ·  doi:10.1109/ICOIN.2015.7057934

2014

Efficient and Reliable Application Layer Multicast for Flash Dissemination
Kyungbaek Kim, Sharad Mehrotra, Nalini Venkatasubramanian
IEEE Transactions on Parallel and Distributed Systems  ·  01 Oct 2014  ·  doi:10.1109/TPDS.2013.280
Leveraging Social Feedback to Verify Online Identity Claims
Michael Sirivianos, Kyungbaek Kim, Jian Wei Gan, Xiaowei Yang
ACM Transactions on the Web  ·  01 Mar 2014  ·  doi:10.1145/2543711

2013

ReCREW: A Reliable Flash-Dissemination System
M. Deshpande, Kyungbaek Kim, B. Hore, S. Mehrotra, N. Venkatasubramanian
IEEE Transactions on Computers  ·  01 Jul 2013  ·  doi:10.1109/TC.2012.68
DYNATOPS
Ye Zhao, Kyungbaek Kim, Nalini Venkatasubramanian
Proceedings of the 7th ACM international conference on Distributed event-based systems  ·  29 Jun 2013  ·  doi:10.1145/2488222.2489273

2012

GSFord: Towards a Reliable Geo-social Notification System
Kyungbaek Kim, Ye Zhao, Nalini Venkatasubramanian
2012 IEEE 31st Symposium on Reliable Distributed Systems  ·  01 Oct 2012  ·  doi:10.1109/SRDS.2012.35
Assessing the veracity of identity assertions via OSNs
Michael Sirivianos, Kyungbaek Kim, Jian Wei Gan, Xiaowei Yang
2012 Fourth International Conference on Communication Systems and Networks (COMSNETS 2012)  ·  01 Jan 2012  ·  doi:10.1109/COMSNETS.2012.6151325

2011

SocialFilter: Introducing social trust to collaborative spam mitigation
Michael Sirivianos, Kyungbaek Kim, Xiaowei Yang
2011 Proceedings IEEE INFOCOM  ·  01 Apr 2011  ·  doi:10.1109/INFCOM.2011.5935047

2010

Assessing the Impact of Geographically Correlated Failures on Overlay-Based Data Dissemination
Kyungbaek Kim, Nalini Venkatasubramanian
2010 IEEE Global Telecommunications Conference GLOBECOM 2010  ·  01 Dec 2010  ·  doi:10.1109/GLOCOM.2010.5685229
FaReCast: Fast, Reliable Application Layer Multicast for Flash Dissemination
Kyungbaek Kim, Sharad Mehrotra, Nalini Venkatasubramanian
Lecture Notes in Computer Science  ·  01 Jan 2010  ·  doi:10.1007/978-3-642-16955-7_9

2008

Time-Related Replication for P2P Storage System
Kyungbaek Kim
Seventh International Conference on Networking (icn 2008)  ·  01 Apr 2008  ·  doi:10.1109/ICN.2008.27

2007

Reducing Replication Overhead for Data Durability in DHT Based P2P System
K. KIM, D. PARK
IEICE Transactions on Information and Systems  ·  01 Sep 2007  ·  doi:10.1093/ietisy/e90-d.9.1452

2003

Efficient and Scalable Client-Clustering for Proxy Cache
Kyungbaek Kim, Woo Jin Kim, Daeyeon Park
Lecture Notes in Computer Science  ·  01 Jan 2003  ·  doi:10.1007/978-3-540-45076-4_9