• Highly Cited Researcher , since 2019, ​Clarivate Analytics
• COE Research Award 2023, NTU, for significant impact in research and evident contributions in elevating the scientific reputation of CoE in the past 3 years  
• Top 2% Scientists of the World, in Stanford University’s lists, for single year impact and career-long impact, respectively (2020, 2021 and 2022)    
  
• Most Cited Journal of Visual Communication and Image Representation Articles, 2011-2023, Web of Science
• IEEE Fellow (2016), for contributions to perceptual modeling and processing of visual signals
• Distinguished Lecturer for IEEE Circuits and Systems Society, 2016-2017
• 1st Place, EmotionNet Challenge 2017, among 27 international teams  
  
• A Notable Article in Computing in 2014, Computing Reviews' 19th Annual Best of Computing list
• Zukunftskolleg Mentorship, University of Konstanz, Germany, 2014
  
• IEEE International Symposium on Circuits and Systems (ISCAS2013) Student Best Paper Award (as supervisor)
• Distinguished Lecturer of Asia-Pacific Signal and Information Processing Association (APSIPA), 2012-2013
• Recommended Paper by IEEE ComSoc Multimedia Communication Technical Committee (MMTC)’s R-Letter Editorial Board, June 2012
• Elected to the EUROPEAN NETWORK ON QUALITY OF EXPERIENCE IN MULTIMEDIA SYSTEMS AND SERVICES (QUALINET) from a NON-COST COUNTRY INSTITUTION, based on scientific merits (2011)
• ScienceDirect® TOP25 Hottest Articles for Signal Processing: Image Communication, July-March 2006, July- September 2011
  
• Top 15% Paper, IEEE International Conference on Multimedia and Expo (ICME), 2011, Barcelona
• Elected as an Honorary Fellow, Singapore Institute of Engineering Technologists (Sept 2011), in recognition of scientific attainments and contribution to the engineering profession
• The work on Perceptual Quality Gauging for Images/video, selected into The First Chronicles: Imagination to Reality, Institute for Infocomm Research, Singapore, 2005
• Adaptive Rate-control Model for Videophone, rated as amongst the top by IEEE ICASSP2004 (Montreal, Canada)
• A*Star-I2R Best Paper Award (2003,2004), Institute for Infocomm Research, Singapore
• The project on Video Quality Metrics, selected as an I2R Success Story for three consecutive years (2002-2004), Institute for Infocomm Research, Singapore
• The work on Perceptual Video Compression, leading to Best Paper Award, SPIE Visual Communications and Image Processing (VCIP), 2003, Lugano, Switzerland.
• Dynamic Load Balancing Method of Multi-processor Video Encoder, voted as a finalist for the Second Annual ICSPAT Award, 2000 (Dallas, Texas, USA)
• K. C. Wong Scholarship awarded for Machine Vision and Parallel Implementation research (King's College, University of London, UK, 1988-1991)

Keynote/Inivied/Panelist speeches: 

• 2nd International Workshop on Video Processing and Quality Metrics (VPQM), USA, 2006; 
• 16th IEEE Int’l Conf on Computer Communications and Networks (ICCCN), USA, 2007; 
• Int’l Workshop on Video Coding and Video Processing, China (VCVP2008 and 2014); 
• SPIE Visual Communications and Image Processing (VCIP 2010);
• IEEE Multimedia Communication Technical Committee (MMTC) Interest Group of Quality of Experience for Multimedia Communications, 2011;
• Pacific-Rim Conference on Multimedia (PCM 2012);
• 21st Annual Wireless and Optical Communications Conference (WOCC 2012), Taiwan, 2012;
• 9th Joint Conference on Harmonious Human Machine Environment (HHME 2013);
• 7th International workshop on Quality of Multimedia Experience (QoMEX), 2015;
• International Workshop on Learning Semantics for Multimedia Big Data (LSMBD), in 3rd Asian Conference on Pattern Recognition (ACPR), 2015
• International Conference on Big Data and AI in Medical & Fin Tech, 2017, Taiwan
• 1st International Conference on Quantification in Visual Computing, Kermany, 2018
• 32nd IPPR Conference on Computer Vision, Graphics and  Image Processing (CVGIP), Taiwan, 2019
• Workshop on Content-Aware Video Analysis (CAVA), 16-th IEEE International Conference on Advanced Video and Signal-based Surveillance (AVSS), 2019
  
• International Joint Conference on AI & Data Science: Mathematics and Applications, 2019, Korea 
• Workshop on Data-driven Just Noticeable Difference for Multimedia Communication, IEEE International Conference on Multimedia and Expo (ICME), 2020, on-line.   
• Workshop on Aesthetic & Technical Quality Assessment of Multimedia and Media Analytics for Societal Trends (ATQAM/MAST), ACM Multimedia, 2020, on-line.
• Sino-Singapore Summit for Digital Economy and Artificial Intelligence, 20 Nov 2020, on-line.      
• 4th International Conference on Image and Graphics Processing (ICIGP 2021), 2 Jan 2021, on-line.   
  
• 6th Int’l Conf. on Image, Vision and Computing (ICIVC’21) and 5th Int’l Conf. on Deep Learning Technologies (ICDLT’21), July 24, 2021, on-line.   
  
• IEEE 6th International Conference on Signal and Image Processing (ICSIP), 23 Oct 2021, on-line.
  
• 3rd Int’l Conf. on Video, Signal and Image Processing (VSIP), and 4th Int’l Conf on Virtual Reality Tech (ICVRT), Nov 20, 2021, on-line.
  
• IEEE ICASSP,  Panel for Signal Processing and Multimedia Computing, May 25, 2022.
  
• Workshop on Robust Understanding of Low-quality Multimedia Data: Unitive Enhancement, Analysis and Evaluation (UoLMM), ACM MM, 14 Oct. 2022.  
  
• 16th IEEE Int’l Conf. on Signal Processing (ICSP), 22 Oct 2022
  
• 9th Int'l Conf. on Digital Home (ICDH), 28 Oct 2022 , on-line.
  
• APSIPA Annual Summit and Conference, 8 Nov 2022.
  
• IEEE International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS) , Penang, Malaysia, 23 Nov, 2022
  
• 10th Pacific-Rim Symposium on Image and Video Technology (PSIVT), 26 Nov 2022 , on-line.
• 4th International Conference on Video, Signal and Image Processing (VSIP), 27 Nov 2022, on-line
• 26thInternational Workshop on Advanced Image Technology (IWAIT), Jeju, Korea, 9 Jan 2023   
• International Workshop of Yonsei University Y-BASE AI Group on Unravelling the Future of Vision: Generative Models, Machine-Centric Signals, NeRF Advancements, and Video Summarization, Korea, 1 Sept 2023 (on-line)
  
• 7th International Conference on Communication and Information Systems (ICCIS), 21 October, 2023 (on-line)
  
• International Conference on Cooperation and Integration of Industry, Education, Research and Applications, 5 Nov. 2023, Nanchang, Jiangxi, China
  
• International Conference on Green Energy, Computing and Sustainable Technology (GECOST),  18 Jan 2024
  
• 8th International Conference on Digital Signal Processing (ICDSP), February 24, 2024   (on-line)
  

Selected tutorials in international conferences:

• Pacific-Rim Conference on Multimedia (PCM 2007);
• IEEE International Symposium on Circuits and Systems (ISCAS 2008); 
• IEEE International Conference on Multimedia and Expo (ICME 2009); 
• Pacific-Rim Conference on Multimedia (PCM 2009); 
• Asia Pacific Signal and Information Processing Association (APSIPA 2010); 
• IEEE International Conference on Image Processing  (ICIP 2010);
• Asia Pacific Signal and Information Processing Association (APSIPA 2013);
  
• IEEE China Summit and International Conference on Signal and Information Processing (ChinaSIP), 2015;
• IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2016;
• IEEE International Conference on Image Processing  (ICIP 2019);
• IEEE  International Conference on Image Processing (ICIP 2020);
• IEEE International conference on Acoustics, Speech, and Signal processing (ICASSP  2021);
• IEEE Int'l Conf. on Visual Communications and Image Processing (VCIP 2022) (link)
• 22nd International Conference on Electronics, Information, and Communication (ICEIC 2023)