Key Research Areas
- Digital signal processing (DSP) and fast algorithms
- Artificial Intelligence (AI) and Deep Learning Models
- Generative AI with Latent Space (GANs, Diffusion, Domain Transfer, etc.) for image and video composition
- Super‑resolution Imaging, and video enhancement with machine/deep learning
- Image and video enlightening with AI and Deep Learning
- Computer vision: face and object recognition, tracking, surveillance
- Place Localization vehicle safety and autonomous system with AI.
- Video coding with Deep Learning technologies
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Core Areas of Expertise
Prof. Siu is a leading scholar in digital signal processing, artificial intelligence (AI), machine learning, deep learning and computer vision, with deep expertise in super‑resolution imagining, video restoration, image/video enlightening, image and video coding, visual surveillance, and intelligent multimedia systems. His work bridges theory, fast algorithms, and real‑world applications.
Research Achievements and Impact
Total number of publications: 550 (Journal: 210, Conference: 310) since 1977
Citation Record: h-index: 53, Citations: 11,700 https://scholar.google.com/citations?hl=en&user=ouQRncoAAAAJ
Samples of Recent Publications
2026
- Yi-Hao Cheng, Wan-Chi Siu and Shing-Chow Chan, "Quality-Assisted Domain Transfer for Fast Face Super-Resolution", IEEE Signal Processing Letters, pp.1386-1390, Vol.33, 2026
2025
- Cheuk-Yiu Chan, Wan-Chi Siu, Yuk-Hee Chan and H. Anthony Chan, "Back Projection Generative Strategy for Low and Normal Light Image Pairs with Enhanced Statistical Fidelity and Diversity", IEEE Transactions on Consumer Electronics, pp.3575-3586, Vol.71, No.2, May 2025.
- Ridwan Salahudeen, Wan-Chi Siu, and H. Anthony Chan, "Photo-Realistic Talking Face Generation under Latent Space Manipulation", IEEE Transactions on Consumer Electronics, pp.379-387, Vol.71, No.1, February 2025.
- Mingjie Xheng, Ngai Fong Law and Wan-Chi Siu, "Unveiling Image Source: Instance-level Camera Device Linking via Context-aware Deep Siamese Network", Expert Systems with Applications, Elsevier, pp.1-15, Vol.262, (125617), 2025.
- Clinton Ansun Mo, Kun Hu, Chengjiang Long, Dong Yuan, Wan-Chi Siu and Zhiyong Wang, "PUMPS: Skeleton-Agnostic Point-based Universal Motion Pre-Training for Synthesis in Human Motion Tasks", Proceedings, ICCV'25 (International Conference on Computer Vision), 19-23 October, 2025, Honolulu Hawaii.
2024
- Cheuk-Yiu Chan, Wan-Chi Siu, Yuk-Hee Chan and H. Anthony Chan, "AnlightenDiff: Anchoring Diffusion Probabilistic Models on Low Light Image Enhancement", pp.6324-6339, Vol.33, IEEE Transactions on Image Processing, October 2024.
- Xi Cheng and Wan-Chi Siu, "Edge Fusion Back Projection GAN for Large Scale Face Super Resolution", Journal of Visual Communication and Image Representation, 104143, pp.1-12, 9 April 2024
Sample Keynote & Invited Presentations (Prof. Wan-Chi Siu):
- Keynote Speaker, "Generative AI and the Development of Domain Transfer in Latent Space Technologies for Image Processing", Int. Conf. on Comm. Tech., Electronics & Signal Proc. (CTESP2026), 16-18 June 2026, Changsha, China.
- Chief Speaker, "Introduction to AI and Deep Learning", 17-19 July, 2025 and 9-10 August 2024, CityU, PolyU & SFU, IEEE TryEngineering, Hong Kong;
- Keynote Speaker, "Recent Dev. of Smart Deep Learning Tech. & Sample Computer Vision App.", CloTSC 2023, 5 Nov 2023, Luoyang China,Virtual;
- Keynote Speaker, "Deep Learning Latent Space for Super-Resolution with Ext to other SP App.", APSIPA-ASC'2023, 1Nov.2023, Taipei, Taiwan;
- Keynote Speaker, "Artificial Intelligence-Deep Learning", Imperial College London Alumni AGM, 29 July 2023, Aberdeen, Hong Kong;
- Keynote Spraker, "A Tour of the Working Mechanism in Deep Learning", 2022 Int. Conf. on Image & Graphics Processing, Jan. 2022, Beijing China;
- Keynote Speaker, "Deep Learning Baseline Model Design for Image Enlightening & Super-Resolution", 2021 Int. Forum on Signal Processing (IFSP);
- Distinguished Lecturer, "Developing Attention Mechanism from Conventional Machine Learning to Deep Learning", Winter School, APSIPA-ASC'2021, Dec. 2021, Tokyo Japan.,
Awards & Patents
Finalist, the Best Paper Award: Xin Chen,Wan-Chi Siu and Chuen-Yu Chan, "Enhancing Indoor Positioning Accuracy with a Wi-Fi Fingerprinting-Based Transformer System", 20th IEEE Conference on Industrial Electronics and Applications (IEEE ICIEA'2025), 3-6 August 2025, Yantai China
The 2023 DSP Recognition Award, citation: "The Board and Committee of the 24th International Conference on Digital Signal Processing (DSP 2023), Rhodes Island Greek, wish to recognize and pay tribute to Wan-Chi Siu for his pioneering contributions to image and video processing and their manipulation via deep learning with applications to image super-resolution, painting, transformation and fusion, and for his visionary and distinguished service to the Signal Processing Community".
Recent US Patents Granted: Li-Wen Wang; Wan-Chi Siu, Zhi-Song Liu; Yan Huo; Xingbo Guan, and Miaohui Hao, "Neural-Network for Raw Low-Light Image Enhancement", US Patent, Patent No. US 11,468,543 B1, Date Granted: Oct.11, 2022, EFSID: 43620468; Application No: 17458802, Confirmation No.2793.
Samples of Recent Research Projects
2026-2027, "Multi-hybrid Video Coding via Strategic Framework with Deep Learning and Super-Resolution Context", Prof. Wan-Chi Siu, RGC Grant, HK$415,250
2025-2027, "Image Generative Model breaking away from Denoising in Diffusion-Like Environment, Profs. Wan-Chi Siu and H. Anthony Chan, RGC Grant, HK$1,079,950.
2023-June 2026, "Deep Learning Based Face Super-Resolution: for Small and Incomplete Images, Prof. Wan-Chi Siu, RGC Grant, HK$1,385,800.
2023 (to June 2025), "Deep Learning Baseline Design for Image to Image Processing", Prof. Wan-Chi Siu, SFU Internal Grant, HK$1,934,000
2021-2024, "Creating an Automatic Football Commentary System with Image Recognition and Cantonese Voice Output", Prof. Wan-Chi Siu, Prof. Sin-wai Chan and Prof. Anthony HH Chan, RGC Grant, $6,793,100.
2020-2022, "Establishment of Distributed Artificial Intelligence Laboratory for Interdisciplinary Research", Dr. Kin-wah Mak, Prof. Anthony HH Chan, Prof. Wan-Chi Siu, RGC Grant, $2,713,880.
CV Highlights
- Research Professor, SFU 2020 to now
- Emeritus Professor HKPolyU 2017-now, (Former Lecturer, …, Chair Professor, Head, Dean, 1980-2017)
- PhD degree, Imperial College London (1984), UK
- Life-Fellow of IEEE (2015)
- Vice-President, IEEE Signal Processing Society (2012-2014), USA
- President (2017-2018), APSIPA (Asia-Pacific Signal & Information Pro. Association)
- General Chair & Technical Program Chair of 3 (World's top conferences) IEEE Flagship Conf.: ICIP'2010 (General Chair), ICASSP'2003 (General Chair), ISCAS'1997 (TPC Chair).
- Subject Editor/Guest Editor/Associate Editor of Electronics Letters, IEEE Transactions on CAS for Video Technology , Image Processing and CAS, … in addition to other journals.
- Keynote speaker of over 12 International Conferences in the recent 10 years
- RGC Engineering-JRS Panel (2020-2026) and Overseas Research Fellowship Scheme Committee (2026-28), & some IEEE technical Committees.
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