publications

2026

1. Deep learning models for acute kidney injury prediction: multi-center external validation and evaluation under simulated continuous monitoring conditions

   Kyung Hyun Lee^†, Donghwee Yoon^†, Hyunsun Lim, and 2 more authors

   npj Digital Medicine, May 2026

   DOI

   
2. Development of a Transformer-Based Cardiac Arrest Prediction Model for General Ward Patients

   Sungsoo Hong^†, Yechan Mun^†, Kyung Hyun Lee^†, and 5 more authors

   medRxiv, 2026

   
3. Evaluating the Predictive Potential of an AI-Driven Deep Learning Model for Pneumonia-Associated Sepsis

   Ki-Byung Lee^†, Chang Youl Lee^*, Jaewon Jang, and 2 more authors

   Journal of Clinical Medicine, 2026

   

2025

1. Association between cardiorespiratory fitness and trend of age-related rise in arterial stiffness in individuals with and without hypertension or diabetes

   Sae Young Jae^†, Kyung Hyun Lee^†, Hyun Jeong Kim, and 4 more authors

   American journal of hypertension, 2025

   
2. Prospective external validation of a deep-learning-based early-warning system for major adverse events in general wards in South Korea

   Taeyong Sim^†, Eun Young Cho^†, Ji-Hyun Kim, and 14 more authors

   Acute and Critical Care, 2025

   
3. Validation of an artificial intelligence-based algorithm for predictive performance and risk stratification of sepsis using real-world data from hospitalised patients: a prospective observational study

   Ji-Hyun Kim^†, Kyung Hyun Lee^†, Kwang Joon Kim, and 11 more authors

   BMJ Health & Care Informatics, 2025

   
4. Deep learning-based stress detection from RR intervals in major depressive disorder, panic disorder, and healthy individuals

   Kyung Hyun Lee^†, Chul-Hyun Cho^†, Ah Young Kim, and 2 more authors

   Frontiers in Psychiatry, 2025

   Code

   

2024

1. A novel deep learning algorithm for real-time prediction of clinical deterioration in the emergency department for a multimodal clinical decision support system

   Arom Choi^†, Kwanhyung Lee^†, Heejung Hyun, and 6 more authors

   Scientific Reports, 2024

   

2023

1. Age prediction in healthy subjects using RR intervals and heart rate variability: A pilot study based on deep learning

   Kyung Hyun Lee^† and Sangwon Byun^*

   Applied Sciences, 2023

   Code

   
2. Novel artificial intelligence-based technology to diagnose asthma using methacholine challenge tests

   Noeul Kang^†, Kyung Hyun Lee^†, Sangwon Byun, and 3 more authors

   Allergy, Asthma & Immunology Research, 2023

   Code

   

2022

1. Joint associations of obesity and cardiorespiratory fitness with coronary artery calcium composition: IS there evidence for fat-but-fit?

   Sae Young Jae^†*, Hyun Jeong Kim, Kyung Hyun Lee, and 4 more authors

   Journal of Cardiopulmonary Rehabilitation and Prevention, 2022

   
2. Stakeholders’ Requirements for Artificial Intelligence for Healthcare in Korea

   Jae Yong Yu^†, Sungjun Hong^†, Yeong Chan Lee, and 7 more authors

   Healthcare Informatics Research, 2022

   
3. Separate and joint associations of cardiorespiratory fitness and healthy vascular aging with subclinical atherosclerosis in men

   Sae Young Jae^†, Kyung Hyun Lee^†, Hyun Jeong Kim, and 5 more authors

   Hypertension, 2022

   
4. Nonalcoholic fatty liver disease and accelerated loss of skeletal muscle mass: A longitudinal cohort study

   Dong Hyun Sinn^†, Danbee Kang^†, Mira Kang^†, and 6 more authors

   Hepatology, 2022

   
5. Multi-center validation of machine learning model for preoperative prediction of postoperative mortality

   Seung Wook Lee^†, Hyung-Chul Lee, Jungyo Suh, and 6 more authors

   NPJ digital medicine, 2022

   
6. Gender-specific relationship between thigh muscle and fat mass and brain amyloid-βpositivity

   Sung Hoon Kang^†, Kyung Hyun Lee, Yoosoo Chang, and 9 more authors

   Alzheimer’s Research & Therapy, 2022

   

2021

1. The relationship between breast density change during menopause and the risk of breast cancer in Korean women

   Danbee Kang^†, Ji-Yeon Kim^†, Ji-Young Kim, and 21 more authors

   Cancer Prevention Research, 2021

   
2. Electromyogram-based classification of hand and finger gestures using artificial neural networks

   Kyung Hyun Lee^†, Ji Young Min^†, and Sangwon Byun^*

   Sensors, 2021

   Code

   

2025

1. Development of Labeling Algorithm for Early Prediction of Acute Kidney Injury

   Kyung Hyun Lee^†, Sangchul Hahn, Hyunsun Lim, and 2 more authors

   In MIE, 2025

   

2024

1. Is it Beneficial to Use Different Thresholds Over Time for Early Prediction Model?

   Sungsoo Hong^†, Hyunwoo Choo, Kyung Hyun Lee, and 3 more authors

   In STC, 2024

   
2. Relationship between In-Hospital Sepsis Prediction Score and Prevalence of Community-Onset Sepsis: Triage for Sepsis Risk Management

   Kyung Hyun Lee^†, Hyunwoo Choo, Sungsoo Hong, and 3 more authors

   In STC, 2024

   
3. Beyond the ROC Curve: Activity Monitoring to Evaluate Deep Learning Models in Clinical Settings

   Hyunwoo Choo^†, Kyung Hyun Lee, Sungsoo Hong, and 3 more authors

   In STC, 2024

   

2023

1. Self-Supervised Contrastive Loss for Multimodal Emotion Recognition: Self-Supervision is All You Need

   Young Woo Nam^†, Kyung Hyun Lee^†, Wong Jong Choi, and 1 more author

   In Korea Computer Congress, 2023

   

2022

1. Development and validation of emotion recognition model using audio and text sequences: two heads are better than one

   Young Woo Nam^† and Kyung Hyun Lee^*

   In Korea Computer Congress, 2022