Faculty Edit
Prof Richard H. Y. SO (蘇孝宇)
Education Background: PhD, University of Southampton, 1995
Phone: 2358-7105
Office: Room 5541
Prof. Richard So received his BSc degree (1987) in Electronic Engineering and PhD degree (1995) in Engineering and Applied Sciences from the Institute of Sound and Vibration Research (ISVR), University of Southampton, England.
Prof. So joined the Department of Industrial Engineering & Logistics Management at HKUST in September 1995 as an Assistant Professor and was promoted to Associate Professor and later Professor. He also holds the concurrent appointment as a Professor in Biomedical Engineering. Prof. So's research focuses on visual and auditory perception. His recent projects include functional brain studies using near-infrared spectroscopic; motion sickness in virtual environments; binaural hearing; and decision making process with visual and auditory information. Besides fundamental research, Prof. So has also been actively involving in various consulting and industry-funded projects. He is a Member of the Founding Council and the first elected Treasurer of the Hong Kong Ergonomics Society, a Professional Registered Member of the Ergonomics Society (UK), the Human Factors and Ergonomics Soceity, the Institute of Electrical & Electronics Engineers, the American Institute of Aeronautics and Astronautics (Senior Member), and Insititute of Industrial Engineers. Prof. So won the first Best Ergonomics Practitioner Award from the Hong Kong Ergonomics Society and received the honor title of the Fellow of the Hong Kong Ergonomics Society in 2009 and the Chartered Fellow of the Institute of Ergonomics and Human Factors (UK) in 2011. He is currently serving as the Co-Editor-in-Chief of Displays,  Editor of Ergonomics, and Scientific Editor of Applied Ergonomics. In 2014, he has been elected as the Fellow of the International Ergonomics Association (IEA). This is a very presitge Fellowship and Prof. So is the first receipient from Hong Kong and there was less than 100 senior academics world-wide holding the same prestige title at the time of the election. Prof. So serves on the drafting committee of ISO International Workshop Agreement IWA3 on Image Safety and Commission Internationale de L'eclairage (CIE) Technical Committee TC1-67 and expert panel for ISO working group on dynamic image safety. In 2007, he found and chaired the First International Symposium on Visually Induced Motion Sickness, Fatigue, and Photosensitive Epileptic Seizures (VIMS2007) and are on the Program Committees of VIMS2009, 2011, 2013 held (or to be held) in the Netherlands, US, and UK, respectively. In the midst of research, Prof. So has also enjoyed teaching and was the recipient of the Teaching Excellence Appreciation Award. 
Honors and Awards
  • Keynote speech at the 5th International Symposium on Visual Image Safety (VIMS 2015), the National Institute of Advanced Industrial Science and Technology, Tokyo, Japan, 15-17 Sept. 2015
  • Fellow of IEA since 2014. Prof. SO has been elected to receive the presitge IEA Fellowship Award from the International Ergonomics Association (the first receipient from Hong Kong). There were less than 100 senior academics world-wide holding this prestige title at the time of the award. 
  • Keynote speech at the 5th AUN/SEED-Net Regional Conference on Manufacturing Engineering in conjunction with 1st Human Factors and Ergonomics Society of the Philippines Conference 2012
  • Fellow of the Hong Kong Institute of Engineers (HKIE) since 2014
  • Chartered Fellow of the Royal Chartered Institute of Ergonomics and Human Factors since 2012
  • Best Short Paper Award at IEEE VR2011
  • Fellow of the Institute of Ergonomics and Human Factors since 2011
  • Fellow of the Hong Kong Ergonomics Society since 2009
  • Chair and opening remarks at VIMS2007
  • Best Ergonomics Practitioner Award from the Hong Kong Ergonomics Society (2006)
  • Keynote speech at the Annual Conference of the Vision Society of Japan 2006
  • Teaching Excellent Appreciation Award 
Research Interests
Bio-inspired signal processing on image and audio data. Computational ergonomics and functional brain study focusing on human visual and auditory systems. We develop dimension reduction and pattern recognition algorithms to simulate human perception with spin-off IPs in virtual surround systems, smart hearing aids and 360 Virtual Reality systems. 
Current Research Projects
Active Projects
Spatial hearing of multiple sound sources: a bio-inspired computational model. SZ-SZSTI1731. July 2017 to June 2020. HK$2280K.
Big data platform for smart transportation applications with heterogeneous data sources: video analysis to predict human flow. ITS/170/15FP, Jan 2016 to Dec 2017. HK$500K.
Frequency Responses of Visually Induced Motion Sickness Provoked by Constant-Amplitude and Constant-Velocity Linear and Circular Visual Oscillations. GRF 16200915. Jan 2016 to Dec 2018. HK$695K
A randomized controlled tral to compare experiencial mode of learning and traditional mode of learning. CEI Teaching Development Grant. Oct 2015 to Sep 2017. HK$150K. 

Equipment Clusters for a Brain-Perception Lab. REC15EG09. HK$176K. 
Six-sigma optimization to reduce accidents at warehouses. Kerry Logistics. 
Six-sigma optimization to improve production efficiency. Kee Wah Barkery. 
Recently Completed Projects
A hypothetical theory for cortical co-ordinations associated with visually induced motion sickness, vection and eye movements: a verification study using near infrared spectroscopy. GRF 618812. Jan 2013 to June 2016. Completed. 
Discrimination of Musical Instrument Tones Resynthesized with Piecewise-Linear Approximated Amplitude Envelopes. GRF 613111. Jan 2012 to Dec 2013. Completed.
Neural responses from visual stimuli known to provoke motion sickness: a near infrared spectroscopy study. GRF 619210. Jan 2011 to Oct 2013. Completed.
Motion sickness, postural disturbance, and self-motion perception when exposed to low frequency (0.04Hz to 0.8Hz) conflicting physical and visual linear motion in the fore-and-aft axis. GRF 620009. Jan 2010 to Dec 2012. Completed. 


Selected Publications and Patents
 [Selected publications since 2001]

Chen, D., Bao B., Zhao Y., So, R.H.Y. (2015, in press) Visually induced motion sickness when viewing visual oscillations of different frequencies along the fore-and-aft axis: Keeping velocity constant versus amplitude constant. Ergonomics.

Nalivaiko, E., Rudd, J.A. and So, R.H.Y. (2014) Motion sickness, nausea and thermoregulation: the toxic hypothesis. Temperature, 1:3, pp.164-171.

Li, Li and So, R.H.Y. (2013) The applied issues in visual perception and action: preface to a special issue. DISPLAYS, 34(2), pp.95-186.

So, R.H.Y., Wong, W.S., Yip, R., Lam, A., and Ting, P. (2011) Benefits of Matching Accommodative Demands to Vergence Demands in a Binocular Head-Mounted Display: A Study on Stereo Fusion Times. PRESENCE.

Horner, A., Beauchamp, J., and So, R. (2011) Evaluation of Mel-Band and MFCC-based Error Metrics to Predict Discrimination of Spectrally Altered Musical Instrument Sounds. Journal of the Audio Engineering Society, 59(5), pp.290-303.

So, R.H.Y., Leung, N.M., Horner, A., Braasch, J. and Leung, K.L. (2011) Effects of spectral manipulation on non-individualized head-related transfer functions (HRTFs). Human Factors, 53(3), 271-283. 

So, R.H.Y. and Ujike, H. (2010), “Visually induced motion sickness, visual stress and photosensitive epileptic seizures: What do they have in common? - Preface to the special issue,” Applied Ergonomics, 41(4).

So, R.H.Y., Ngan, B., Horner, A., Leung, K.L., Braasch, J. and Blauert, J. (2010), “Toward orthogonal non-individualized head-related transfer functions for forward and backward directional sound: cluster analysis and an experimental study,” Ergonomics, 53(6).

Ji, T.Y., So, R.H.Y. and Cheung, R.T.F., “Isolating the effects of vection and optokinetic nystagmus on visually induced motion sickness during exposure to optokinetic stimuli,” Human Factors, 51(5), (2009), pp.73.

Horner, A., Beauchamp, J., and So, R.H.Y., “Detection of time-varying harmonic amplitude alterations due to spectral interpolations between musical instrument tones,” Journal of the Acoustical Society of America, 125 (1), (2009), pp. 492-502.

Kiryu, T. and So, R.H.Y., “Sensation of Presence and Cybersickness in applications of Virtual Reality for Advanced Rehabilitation,” Journal of NeuroEngineering and Rehabilitation, 4:34, (2008).

Rossiter, D., Tsang, R. and So, R.H.Y., “Beat Deviation for Tempo Estimation Algorithms. Journal of the Audio Engineering Society,” 55 (11), (2007), pp. 967-980.

So, R.H.Y., Leung, N.M., Braasch, J. and Leung, K.L., “A low cost, Non-individualized surround sound system based upon head related transfer functions. An Ergonomics study and prototype development,” Applied Ergonomics, 37, (2006), pp.695-707.

Horner, A., Beauchamp, J., and So, R.H.Y, “A Search for Best Error Metrics to Predict Discrimination of Original and Spectrally Altered Musical Instruments Sounds,” Journal of the Audio Engineering Society, 54, (2006), pp.140-156.

Kurniawan, S. H., So, R. H. Y. and Tseng, M.M., “Consumer Decision Quality in Mass Customisation,” International J. Mass Customisation, 1, (2006), pp.176-194.

Ujike, H., So, R.H.Y., et al., “ISO International Workshop Agreement-IWA3 Image Safety - reducing the incidence of undesirable biomedical effects caused by visual image sequences. IWA 3:2005(E),” ISO copyright office, Case postale 56, CH-1211 Geneva 20, (2005).

Ng, E., Tsung, F., So, R., Li., T.S. and Lam, K.Y., “Six sigma approach to reducing fall hazards among cargo handlers working on top of cargo containers: a case study,” International Journal of Six Sigma and Competitive Advantage, 1, (2005), pp.188-209.

Ji, J., So, R.H.Y., Lor, F., Cheung, T.F.R., Howrth, P. and Stanney, K., “A Search for Possible neural pathways Leading to Visually Induced Motion Sickness,” VISION, 17(2), (2005), pp.131-134.

Horner, A., Beauchamp, J., and So, R., “Detection of random alterations to time-varying musical instrument spectra,” Journal of the Acoustical Society of America, 116, (2004), pp.1800-1810.

Ngan, B., So, R., Leung, A., Altinsoy, E. and Avalos, A.G., “Towards mass-customizing non-individualized head-related transfer functions: a preliminary study,” Annual Journal of IIE(HK), 25, (2004), pp.14-25.

So, R.H.Y. and Cheung, K.M., “Combined and interacting effects of hand and head movement lags on discrete manual performance in a virtual environment." Ergonomics, 45, (2002), pp.105-123.

So, R.H.Y., Lo, W.T. and Ho, A.T.K., “Effects of navigation speed on the level of cybersickness caused by an immersive virtual environment". Human Factors, 43, (2002), pp.452-261.

So, R.H.Y., “Editorial: a special iusue on Senior Design Capstone Projects in Asia,” Journal of Industrial Engineering Design, (2002).

Lo, W.T. and So, R.H.Y., "Effects of scene rotational movements on cybersickness", Applied Ergonomics, 32(1), (2001), pp. 1-14.

So, R.H.Y., Ho, A.T.K. and Lo, W.T., "A proposed metric to quantify virtual scene movement for the study of cybersickness: definition, implementation and verification," PRESENCE, 10, (2001), pp. 193-216.


An innovative virtual surround sound algorithm: filed a declaration of copyright as well as Intellectual Property Right with HKUST Technology Transfer Center (GH-HJ1036/1). 

Research Group Members
Cosun Dizmen (PhD student, IELM, HKPFS Awardee)
Isabella WEI (PhD student, IELM/BME, HKPFS Awardee)
Zoe ZHAO (PhD student, IELM)
Yehur CHEONG (PhD student, IELM)
Becky FU (PhD student, IELM)
Calvin ZHANG (MPhil student, IELM/TLE)
Joyce ZHENG (MPhil student, IELM/BME)
Professional Activities
Co-Editor-in-Chief of Displays
Editor of Ergonomics
Scientific Editor of Applied Ergonomics
Member of Commission Internationale de L'eclairage (CIE) Technical Committee TC1-67
Member of ISO ISO/TC159/SC4/SG Study Group on dynamic image safety
Fellow of the Institute of Ergonomics and Human Factors (UK)
Founding Treasurer and Fellow of the Hong Kong Ergonomics Society