Jaehan Joo

Jaehan Joo, Ph.D.

Full-Time Researcher at Pukyong National University
AI-based Medical Image Analysis & Computer Vision

✉ jhjoo@pknu.ac.kr ORCID ☎ +82-10-4206-0806
Scroll
Research at a Glance

Numbers that define the journey

0
Total Publications
0
SCI(E) Journal Papers
0
Funded Projects
0
Startups Founded
0
Years of Research
Research

Exploring the frontiers of AI

Bridging the gap between artificial intelligence and real-world medical applications

🧠

Medical Image Analysis

AI-driven diagnostic systems for ophthalmology including fundus photography, OCT despeckling, and strabismus detection

👁

Computer Vision

Deep learning architectures for image segmentation, object detection, and generative model-based image translation

📡

Signal Processing

UWB signal analysis, ultrasonic sensing, and physics-informed neural networks for noise modeling

🛰

Wireless Sensing

IoT communication systems, Wi-Fi CSI-based sensing, and underwater acoustic communication

Education & Experience

The path so far

Mar 2026 – Present

Full-Time Researcher

Research Institute of Electronics and Information Communication, Pukyong National University
Research on AI-based medical image analysis and intelligent systems
Sep 2018 – Feb 2026

Combined M.S./Ph.D. in Electrical and Computer Engineering

Pusan National University · Advisor: Prof. Suk Chan Kim
Dissertation: AI-Based Medical Image Analysis for Ophthalmology Using Self-Supervised Learning and Physics-Informed Neural Networks
Mar 2022 – Mar 2025

Technical Research Personnel

Communication Systems Laboratory, Pusan National University
Alternative military service · Medical image analysis, self-supervised learning, IoT systems
Mar 2014 – Aug 2018

B.S. in Electronic Engineering

Pusan National University, Busan
Publications

42 papers and counting

SCI(E) Under Review
LiPoseMamba: Order-Aware Soft Permutation and Mamba-based 3D Human Pose Estimation for LiDAR Point Clouds
Sangkyu Sin, Jaehan Joo, Suk Chan Kim
IEEE Transactions on Multimedia, 2026
IF 8.4
SCI(E) Under Review
Boundary-Guided Multi-Branch Learning for Fine-Grained 3D Tooth Segmentation from Intraoral Point Clouds
Jaehan Joo, Guohua Zhu, Sangkyu Sin, Suk Chan Kim
Scientific Reports, 2026
IF 3.8
SCI(E) Under Review
OCT-PIFormer: A Physically-Motivated Loss Framework with Hybrid Speckle Noise Modeling for OCT Image Despeckling
Jaehan Joo, Hunyoul Lee, Suk Chan Kim
Medical Image Analysis, 2026
IF 10.9
SCI(E) Under Review
Generative Model-Based Fundus Photography Translation for Enhanced Cross-Device Consistency
Jaehan Joo, Seung Min Lee, Ji-Eun Lee, Su-Jin Kim, Suk Chan Kim
Scientific Reports, 2026
IF 3.8 ResearchGate
SCI(E)
Spatially Divided Outlier Removal for LiDAR De-noising in Adverse Weather Conditions
Sangkyu Sin, Jaehan Joo, Hunyoul Lee, Suk Chan Kim
Scientific Reports, 2026
IF 3.8
SCI(E)
Toxic Chinese Herbal Medicine Recognition in Real-World Images via Multi-Scale and Attention-Enhanced EfficientNetV2
Guohua Zhu, Jaehan Joo, Suk Chan Kim
PLoS One, 2026
IF 2.9 DOI
SCI(E)
GMS-JIGNet: Guided Multi-Scale Jigsaw Puzzles for Self-Supervised Artificial Spot Segmentation in Fundus Photography
Jaehan Joo, Hunyoul Lee, Suk Chan Kim
Scientific Reports, 2025
IF 3.8 DOI
SCI(E)
Performance Enhancement of Drone Acoustic Source Localization through Distributed Microphone Arrays
Jaejun Lim, Jaehan Joo, Suk Chan Kim
Sensors, 2025
IF 3.4 DOI
SCI(E)
Enhancing Automated Strabismus Classification with Limited Data: Data Augmentation Using StyleGAN2-ADA
Jaehan Joo, Sang Yoon Kim, Donghwan Kim, Ji-Eun Lee, Seung Min Lee, Su Youn Suh, Su-Jin Kim, Suk Chan Kim
PLoS One, 2024
IF 2.9 DOI
KCI & SCOPUS
ToF Estimation of UWB Signals Using Differentiation Method
Hunyoul Lee, Jaehan Joo, Suk Chan Kim
Journal of KICS, 2025
KCI & SCOPUS
Integrated Implementation and Performance Analysis of Multi-WPAN Protocol IoT Network
Seonghyeon Park, Jaehan Joo, Suk Chan Kim
Journal of KICS, 2025
KCI & SCOPUS
Accurate Pupil Tracking System using BF-YOLOv3-tiny
Geonho Choi, Jaehan Joo, Suk Chan Kim
Journal of Multimedia Society, 2024
Conference
Physics-Informed Deep Learning for Speckle Noise Reduction in OCT
Jaehan Joo, Suk Chan Kim
ICMIC, 2025
Conference
Device-Free Occupancy Detection via Wi-Fi CSI and Deep Residual CNN
Seonghyeon Park, Jaehan Joo, Suk Chan Kim
ICUFN, 2025
DOI
Conference
Noise Analysis of UWB Numerical Differentiation-Based ToA Estimators in Multipath Environments
Hunyoul Lee, Jaehan Joo, Suk Chan Kim
ICUFN, 2025
Conference
Zigbee Direct for Multiprotocol IoT Connectivity
Seonghyeon Park, Jaehan Joo, Minseok Kim, Suk Chan Kim
ICMIC, 2024
Conference
Ultrasonic Localization Performance Analysis
Jaejun Lim, Jaehan Joo, Hunyoul Lee, Dongjhin Noh, Suk Chan Kim
ICMIC, 2024
Conference
Ultrasonic Localization using Threshold Crossing
Jaejun Lim, Jaehan Joo, Suk Chan Kim
ICAIIC, 2024
Conference
GAN-based Image-to-Image Translation of Fundus Photography
Jaehan Joo, Jeongbin Seo, Geonho Choi, Suk Chan Kim
ICUFN, 2023
DOI
Conference
Double Deep Q-Learning for Backhaul Spectrum Allocation
Jeonghun Park, Heetae Jin, Jaehan Joo, Geonho Choi, Suk Chan Kim
ICAIIC, 2023
Conference
Fake Data Generation for Medical Image Augmentation using GANs
Donghwan Kim, Jaehan Joo, Suk Chan Kim
ICAIIC, 2022
DOI
Conference
Strabismus Classification using CNN
Donghwan Kim, Jaehan Joo, Guohua Zhu, Jeongbin Seo, Jaeseung Ha, Suk Chan Kim
ICAIIC, 2021
Conference
Optic Disk Detection in Fundus Photo using Deep Learning
Jaehan Joo, Guohua Zhu, Suk Chan Kim
ICTC, 2020
Conference
Indoor Path-Loss Measurement in 900 MHz Band
Jaehan Joo, Jeongbin Seo, Suk Chan Kim
ICEIC, 2020
Conference
Ultrasound-Based Obstacle Detection for Vehicles
Donghee Yi, Jaehan Joo, Zewen Piao, Heetae Jin, Suk Chan Kim
APCC, 2019
DOI
Conference
ESIM OFDM with Schmidl-Cox Synchronizer
Jeongbin Seo, Jaehan Joo, Guohua Zhu, Suk Chan Kim
APCC, 2019
DOI
Conference
DPSK-based Ultrasonic Obstacle Detection
Donghee Yi, Jaehan Joo, Suk Chan Kim
ICUFN, 2019
DOI
Conference
Periodontal Disease Detection using CNN
Jaehan Joo, Sinjin Jeong, Heetae Jin, Uhyeon Lee, Ji Young Yoon, Suk Chan Kim
ICAIIC, 2019
DOI
Domestic
CycleGAN-based Fundus Image Translation
Jaehan Joo et al.
KICS Summer Conference, 2023
Domestic
GAN-based Image-to-Image Translation for Fundus Resolution Enhancement
Jaehan Joo et al.
AI Conference, 2022
Domestic
Face Mask Detection with SSD Network
Guohua Zhu, Jaehan Joo et al.
KICS Summer Conference, 2022
Domestic
GAN-based Periodontitis Data Generation Study
Jaehan Joo, Suk Chan Kim
KICS Summer Conference, 2021
Domestic
Neural Network ZF Detector for Generalized SFIM
Jeongbin Seo, Jaehan Joo et al.
JCCI, 2021
Domestic
+ 9 more domestic conference papers (2018–2020)
Funded Projects

24+ research projects

From national grants to industry collaborations

Secure ICT: Privacy-Preserving Distributed AINRF, 2026
K-Startup Retry Entrepreneurship PackageMinistry of SMEs, 2026
Unified Home IoT Network Architecture R&DLG Electronics, 2023–2024
mmWave V2V Distributed NetworksNRF, 2022–2027
Bluetooth-Based Air Conditioner Control R&DLG Electronics, 2022–2023
Liquid Hydrogen Storage Graduate SchoolMOE, 2022–2026
AI-Based iMEB Fault PredictionIndustry, 2022
3D Ultrasonic Sensor for VehiclesMOTIE, 2022–2025
Low Impact Development Graduate SchoolMOE, 2020–2024
Deep Learning Coiling Tail DetectionPOSCO, 2020–2021
Smart City Innovation ProgramKAIA, 2019–2023
Oral Health AI PlatformMSIT, 2018–2019
Secure ICT: Privacy-Preserving Distributed AINRF, 2026
K-Startup Retry Entrepreneurship PackageMinistry of SMEs, 2026
Unified Home IoT Network Architecture R&DLG Electronics, 2023–2024
mmWave V2V Distributed NetworksNRF, 2022–2027
Bluetooth-Based Air Conditioner Control R&DLG Electronics, 2022–2023
Liquid Hydrogen Storage Graduate SchoolMOE, 2022–2026
AI-Based iMEB Fault PredictionIndustry, 2022
3D Ultrasonic Sensor for VehiclesMOTIE, 2022–2025
Low Impact Development Graduate SchoolMOE, 2020–2024
Deep Learning Coiling Tail DetectionPOSCO, 2020–2021
Smart City Innovation ProgramKAIA, 2019–2023
Oral Health AI PlatformMSIT, 2018–2019
Entrepreneurship

From research to real-world impact

2025

PetNexus

Co-Founder

AI & IT convergence platform for companion animals. Veterinary auto charting system powered by AI-based medical data analysis.

2026

MiMir

Founder

Ophthalmic AI platform and medical device development. Video-based strabismus diagnostic device and anterior segment disease detection system.