Sydney AI Meetup 2025
Monthly Events

This AI meetup is designed to enhance collaboration and networking among HDR students, academic staff, and industry professionals. It offers a unique platform for participants to engage in meaningful discussions, foster partnerships, and explore opportunities for external collaboration, joint research projects, and industry internships. By facilitating these interactions, the event aims to drive innovation and promote knowledge exchange within the AI research community.

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Upcoming Events

Title Deep Declarative Networks for Shape Design
Speaker Prof. Stephen Gould, Australian National University
Intro In this talk, Prof. Stephen will introduce the idea of embedding smooth differentiable optimisation problems inside deep learning architectures, also known as deep declarative networks. Background motivation and theory will be covered, followed by the application of differentiable optimisation to the problem of constrained shape design.
Date Wednesday, Sep 17, 2025
Time 2:00PM-3:00PM Canberra, Melbourne, Sydney
Register Link
Delivery Online
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Past Events

Topic Seminar on AI Agents
Speaker 1 Dr. Hung Le, Deakin University
Title: Memory in Autonomous Agents: From Reinforcement Learning to Large Language Models
Intro: AI agents learn to make decisions by interacting with environments to achieve goals. Effective learning requires remembering and leveraging past experiences, yet many current AI agents lack efficient memory, leading to slow and resource-intensive training. This challenge is especially pronounced in complex or uncertain environments, where partial observability, noise, and long-term dependencies make learning and decision-making difficult. In this talk, we explore how memory mechanisms have evolved from classical reinforcement learning agents to modern large language model agents, enabling faster learning, richer context representation, and more strategic exploration. Understanding this progression provides valuable insights for designing more capable, adaptive, and sample-efficient AI agents that can better handle real-world challenges.
Speaker 2 Dr. Jianglin Qiao, University of South Australia
Title: Multi-agent Decision Making under Partial Observability
Intro: In many real-world multi-agent systems, decision-making is affected by partial observability, agents cannot access the full state of the environment and must act based on limited observations. When physical separation and mobility constraints restrict agents’ ability to explore and interact, this challenge becomes even more severe, leading to inter-agent partial observability under exploration constraints, where agents can only cooperate with nearby teammates. This situation imposes new demands on achieving effective cooperation. This presentation will first introduce the fundamental principles of multi-agent decision-making under partial observability, then provide an in-depth analysis of how inter-agent partial observability under exploration constraints impacts cooperation and credit assignment, and finally discuss multi-agent reinforcement learning as a solution for decision-making in such settings, with a focus on real-world applications in satellite environments.
Date Friday, Aug 29, 2025
Time 1:00PM-3:00PM Canberra, Melbourne, Sydney
Register Link
Delivery Online (You will receive the link after registration)
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Title AI Conference (CVPR, ICML, ICLR) Paper Highlights
Date Wednesday, June 25, 2025
Time 10:00AM-1:00PM Canberra, Melbourne, Sydney
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Location Lecture Theatre 123, Level 1 School of Computer Science (J12)
1 Cleveland St, Darlington NSW 2008
Intro Join us for a dynamic research sharing session spotlighting cutting-edge papers from ICLR, ICML, and CVPR 2025. This event brings together rising researchers from universities across the greater Sydney area to present and discuss their latest contributions in machine learning and computer vision. It offers a unique opportunity to engage with the vibrant local research community.
Title Generative Modeling for Clinically Meaningful and Controllable Medical Image Synthesis
Speaker Dr. Mingjie Li, Stanford University
Guest Dr. Suneeta Mall, Head of AI Engineering at Harrison AI
Date May 21, 2025
Time 2:00PM-3:30PM Canberra, Melbourne, Sydney
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Delivery Online
Intro Synthesizing medical images that are both clinically interpretable and controllable is essential for advancing diagnostic support, disease monitoring, and automated clinical workflows. In this talk, Dr. Li will present two recent advances that address distinct yet complementary challenges in medical image synthesis. The first introduces Interpretable Counterfactual Generation (ICG)—a novel framework that jointly generates counterfactual chest X-rays and corresponding textual interpretations. Leveraging a multimodal autoregressive model, the framework enables traceable and hypothesis-driven image synthesis aligned with clinical reasoning. The second work focuses on a text-conditioned latent diffusion model that translates non-contrast CT scans into contrast-enhanced counterparts. Guided by explicit text prompts indicating desired contrast phases, the model achieves high-fidelity vascular enhancement across multiple anatomical regions and imaging conditions. Together, these approaches demonstrate how generative models can move beyond visual realism to deliver clinically meaningful, interpretable, and controllable outputs, paving the way for more trustworthy and flexible AI tools in medical imaging.
Title Boosting Large Language Model Reasoning with Knowledge Graphs
Speaker Prof. Shirui Pan, Griffith University
Date April 30, 2025
Time 08:00 PM Canberra, Melbourne, Sydney
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Delivery Online
Intro Large language models (LLMs) such as ChatGPT and Gemini have gained significant attention due to their emergent abilities and generalizability. However, as black-box models, they face limitations in capturing and accessing factual knowledge. In contrast, knowledge graphs (KGs) provide rich factual information in a structured format, enhancing LLMs' inference and interpretability. In this talk, I will present some recent research on integrating KGs and LLMs for faithful reasoning. Specifically, I will introduce a KG-enhanced LLM approach, Reasoning on Graphs (ROG), which leverages knowledge graphs to enable faithful and interpretable LLM reasoning. ROG follows a planning-retrieval-reasoning paradigm: first, it enables LLMs to generate a plan to retrieve the most relevant knowledge from knowledge graphs; based on the retrieved information, LLMs can then perform faithful reasoning. To further enhance performance, we also develop a graph foundation model that can be applied to new domains, enabling zero-shot reasoning. I will conclude with a brief discussion of future directions in this exciting field.
Title 3D Generative AI Compression with Context Models
Speaker Prof. Jianfei Cai, Monash University
Date Feb 14, 2025
Time 12:30 PM Canberra, Melbourne, Sydney
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Delivery Online and In Person
Location Lecture Theatre 123, Level 1 School of Computer Science (J12)
1 Cleveland St, Darlington NSW 2008
Catering Free light lunch, 12:30 pm to 1:00 pm
Intro While 3D vision is not a new field, it has recently undergone a transformation driven by significant advancements in generative models. 3D Generative AI or Spatial AI has emerged as a major focus within the 3D vision community. At its core, the field has experienced a paradigm shift with the introduction of Neural Radiance Fields (NeRF) and 3D Gaussian Splatting (3DGS), which have redefined 3D representation. Leveraging deep learning techniques and 2D image supervision, these methods have achieved remarkable results in view synthesis. However, their reliance on extensive feature sets and large network parameters poses significant storage challenges. To address this, we have developed a series of innovative approaches—CNC, HAC, and FCGS—focused on efficient and effective compression of these advanced 3D representations. Central to our work is the use of context models, which play a pivotal role in optimizing 3D compression while preserving visual quality. This talk will delve into the design principles and impact of these techniques, paving the way for more efficient 3D vision applications.

Invited Speakers


Stephen Gould is a Professor of Computer Science at the Australian National University (ANU). He is a former Australian Research Council (ARC) Future Fellow, ARC Postdoctoral Fellow, Microsoft Faculty Fellow, Contributed Researcher at Data61, Principal Research Scientist at Amazon Inc, Director of the ARC Centre of Excellence in Robotic Vision, and Amazon Scholar. Stephen received his BSc degree in mathematics and computer science and BE degree in electrical engineering from the University of Sydney in 1994 and 1996, respectively. He received his MS degree in electrical engineering from Stanford University in 1998. He then worked in industry for several years where he co-founded Sensory Networks, which later sold to Intel in 2013. In 2005 he returned to Stanford University and was awarded his PhD degree in 2010. In November 2010, he moved back to Australia to take up a faculty position at the ANU. Stephen has broad interests in the areas of computer and robotic vision, machine learning, deep learning, structured prediction, and optimization. He teaches courses on advanced machine learning, research methods in computer science, and the craft of computing. His main research focus is on automatic semantic, dynamic and geometric understanding of images and videos.

Dr. Hung Le is an ARC DECRA Fellow and a Lecturer at Deakin University, specializing in deep reinforcement learning. He leads PhD research in machine learning, reinforcement learning and large language models at the Applied Artificial Intelligence Initiative (A2I2). His work focuses on developing neural memory-augmented agents, with applications in health, robotics, dialogue systems, and natural language processing. Dr. Le regularly publishes in top AI venues such as NeurIPS, ICLR and ICML.

Dr. Jianglin Qiao received a Bachelor of Electrical Engineering from the University of Sydney. He holds a dual-award PhD in Computer Science from Western Sydney University and Universitat Autònoma de Barcelona (UAB). He is currently a research fellow at the University of South Australia, working on a SmartSat CRC-funded project about real-time satellite tasking and resource allocation. His research mainly focuses on multi-agent systems, multi-agent reinforcement learning, and game theory with application domains in space and transportation.

Dr. Mingjie Li is a postdoctoral scholar at the Laboratory of Artificial Intelligence in Medicine and Biomedical Physics at Stanford University. His research focuses on medical generative modeling, with the goal of developing clinically meaningful and controllable image synthesis methods to support diagnosis and treatment planning. He received his Ph.D. from the University of Technology Sydney. His work has been published in top-tier venues including T-PAMI, CVPR, NeurIPS, and ECCV. He also serves as a regular reviewer for leading journals and conferences such as IEEE TNNLS, IEEE ToMM, CVPR, and NeurIPS.

Suneeta is passionate about solving real-world problems with engineering, data, science, and machine learning. She's a PhD in applied science with a computer science and engineering background. She has extensive distributed, scalable computing and machine learning experience from IBM Software Labs, Expedita, USyd, Nearmap and more recently harrison.ai. She currently leads the AI Engineering division of harrison.ai, a clinician-led artificial intelligence medical technology company tackling some of the biggest issues in healthcare causing inequitable diagnosis today. She believes in lifelong learning and is passionate about knowledge sharing. She is also an author for O'Reilly and writes technical blogs in her spare time.

Shirui Pan received his Ph.D. in Computer Science from the University of Technology Sydney (UTS) and is a Professor in the School of Information and Communication Technology at Griffith University, Australia. His research focuses on data mining and machine learning and has been published in top venues, including Nature Machine Intelligence, KDD, and ICLR, among others. He has received several prestigious awards, including the 2024 IEEE CIS TNNLS Outstanding Paper Award, the 2020 IEEE ICDM Best Student Paper Award, the 2024 AI’s 10 to Watch recognition, and the 2024 IEEE ICDM Tao Li Award. He is also an ARC Future Fellow.

Jianfei Cai is a Professor at Faculty of IT, Monash University, where he had served as the inaugural Head for the Data Science & AI Department. Before that, he was Head of Visual and Interactive Computing Division and Head of Computer Communications Division in Nanyang Technological University (NTU). His major research interests include computer vision, deep learning and multimedia. He has successfully trained 40+ PhD students with three getting NTU SCSE Outstanding PhD thesis award and one getting Monash FIT Graduate Research Student Excellence Award. Many of his PhD students joined leading IT companies such as Meta, Apple, Amazon, Adobe and TikTok or become faculty members in reputable universities. He is a co-recipient of paper awards in ACCV, ICCM, IEEE ICIP and MMSP, and a winner of Monash FIT’s Dean's Researcher of the Year Award. He serves or has served as an Associate Editor for TPAMI, IJCV, IEEE T-IP, T-MM, and T-CSVT as well as serving as Area Chair for CVPR, ICCV, ECCV, IJCAI, ACM Multimedia, ICME, ICIP and ISCAS. He was the Chair of IEEE CAS VSPC-TC during 2016-2018. He had served as the leading TPC Chair for IEEE ICME 2012 and the best paper award committee chair & co-chair for IEEE T-MM 2020 & 2019. He is the leading General Chair for ACM Multimedia 2024, and a Fellow of IEEE.

Participating Organizations

Committee

Chiarman:  Lei Wang (UoW)   
Treasurer:  Qiang Wu (UTS)   
Publicity Chair:  Yuankai Qi (MQ)   
Industry Chair:   Susan Zhang (UoW)   
Seminar Chair:  Dong Gong (UNSW),     Chang Xu (USyd)   
Committee member:  
Ling Chen (UTS),    Yi Guo (WSU),    Markus Hagenbuchner (UoW),    Son Lam Phung (UoW),   
Zhenghao Chen (UoN),    Rosalind Wang (WSU),    Yanjun Zhang (UTS),   

Contact us

For enquiries, please contact the organizing committee via sydneyaimeetup@mq.edu.au