About

I am a Lecturer at the College of Sciene of EngineeringJames Cook University. Prior to this, I was a postdoctoral research fellow at the Biomedical Multimedia Information Technology (BMIT) groupSchool of Computer Science, The University of Sydney.

I obtained my PhD degree in Computer Science (medical image analysis) from The University of Sydney in 2020. I received B. IT degree from The University of Newcastle, Australia, 2009 and M. IT (2014) and MPhil (2016) degree from The University of Sydney.

I have produced top-tier publications in the area of computer vision and medical image computing, including papers in IEEE T-MI, T-BME, JBHI, MedIA, PR, CVPR, AAAI and MICCAI. I am a regular reviewer for IEEE T-PAMI, T-MI, Nature Communications, CVPR, MICCAI and ISBI. 

I am always looking for highly-motivated undergraduate (Honours) and postgraduate students (MPhil and PhD). Please send me your CV and transcripts. 

Available / Current Projects

Unsupervised / Self-supervised learning for Image Classification and Object Recognition

The availability of large-scale annotated image datasets and recent advances in supervised deep learning methods have made important breakthroughs in natural scene analysis, visual object detection / classification and medical image analysis. These deep learning approaches, however, require large labelled training data (e.g., ImageNet archive with over 1 million images) and the labelling must be done manually which is costly, slow, and can be subjective / prone to errors if specialised skills are required. This project aims to study various techniques of unsupervised / self-supervised learning representation learning, and to develop new approaches for various applications (e.g., computer-aided diagnosis) in the medical imaging domain (X-ray, Ultrasound, microscopy, MRI, CT, PET-CT).

A Deep Learning Framework for Hidden Pattern Discovery

This project aims to develop a machine learning framework, which is not dependent on labelled data, to discover hidden patterns within data. These ‘hidden patterns’ represent meaningful new knowledge. Existing machine learning methods learn data features that are directly associated with labels and require large amounts of labelled data. This project expects to develop an unsupervised deep learning framework that will learn features that are independent of labels from large unlabelled image data archives. The expected outcome is a novel image analytic framework that can be applied to a range of scientific applications.

Telehealth – AI-enabled Remote Patient Monitoring

Remote patient monitoring (RPM) has seen tremendous uptake in usage due to the outbreak of COVID-19 and transition to remote patient care, and with it, a rapid rise in the development of new technologies. In an RPM setting, accurate remote measurement of vital signs such as heart rate (HR), blood pressure (BP) and temperature are essential in accurate diagnosis and screening of diseases. Current measurement methods, however, are constrained by wearable sensors or inflatable cuff-based devices that could be inconvenient, uncomfortable and are subject to variability. Development of a system that can measure such vital signs conveniently and comfortably, in a contactless and COVID-safe manner, is therefore of important requirement for use in RPM. This project aims to develop AI-enabled deep learning techniques that estimate vital signs using facial videos. 

Teaching
  • CP1401: Problem Solving and Programming I (Level 1; CNS)
  • CP1404: Programming II (Level 1; CNS & TSV)
  • CP1407: Introductory Machine Learning and Data Science (Level 1; CNS)
  • CP1409: Operating Systems and Shell Scripting (Level 1; CNS)
  • CP2411: 3D Modelling and Animation (Level 2; TSV)
  • CP5632: Programming II (Level 5; CNS & TSV)
Interests
Research
  • My research focus is on the development of Machine Learning and Deep Learning, Computer Vision and, more specifically, unsupervised and self-supervised deep learning models for biomedical image analysis, for improving image segmentation, retrieval, quantification and classification without relying on labelled data.
  • I also work at the coalface of translational health technology researches, e.g., health data analytics and telehealth.
  • Keywords: Deep Learning, Machine Learning, Data Science, Medical Image Analysis, Health Informatics, Telehealth
Experience
  • 2022 to present - Lecturer, James Cook University (Cairns)
  • 2020 to 2022 - Postdoctoral Research Fellow, The University of Sydney (Sydney)
  • 2016 to 2022 - Research Associate, Nepean Blue Mountains Local Health District (Sydney)
  • 2016 to 2020 - Research and Teaching Assistant, The University of Sydney (Sydney)
  • 2010 to 2016 - Consultant, ECNESOFT (Sydney)
Honours
Awards
  • 2019 to 2020 - Telehealth Technology Innovation Award ($50,000), “DeepVitals for Remote Patient Monitoring – A Non-contact Image-based Blood Pressure via Deep Photoplethysmography Network”, Nepean Blue Mountains Local Health District (Nepean Hospital), NSW, 2019.
  • 2019 - Best Oral Presentation Award ($500), “A Self-Supervised Deep Learning Framework for Plane Identification in Fetal Ultrasound Images”, Annual Nepean Research Day, The University of Sydney Nepean Clinical School, 2019.
  • 2019 - 2019 School of Computer Science Research Students Excellence Prize Award ($5000), The University of Sydney, 2019.
  • 2018 to 2019 - Telehealth Technology Innovation Award ($10,000), “An Analysis and Visualisation of Emergency Department Data using Machine Learning Algorithms”, Nepean Blue Mountains Local Health District (Nepean Hospital), NSW, 2018.
  • 2016 to 2019 - Scholarship, Australian Government Research Training Program Scholarship, 2016-2019.
  • 2016 to 2019 - Scholarship ($17,500), The University of Sydney Merit Awards (Top ranked PhD Candidates).
Publications

These are the most recent publications associated with this author. To see a detailed profile of all publications stored at JCU, visit ResearchOnline@JCU. Hover over Altmetrics badges to see social impact.

Journal Articles
Conference Papers
More

ResearchOnline@JCU stores 15+ research outputs authored by Dr Euijoon Ahn from 2016 onwards.

Supervision

Advisory Accreditation: I can be on your Advisory Panel as a Primary or Secondary Advisor.

These Higher Degree Research projects are either current or by students who have completed their studies within the past 5 years at JCU. Linked titles show theses available within ResearchOnline@JCU.

Current
  • Species classification using deep learning signal processing techniques in natural soundscapes (PhD , Secondary Advisor)

Connect with me
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Email
Phone
Location
  • A1.221, Chancellery Building (Cairns campus)
Advisory Accreditation
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