SWXS: The Path to Paradise
The video backdrop here is a rough cut of my short film of a road trip across the American Southwest.
Professor of Computing
Kenny is full professor at Edinburgh Napier University in the Institute of Informatics and Digital Innovation
Research Head
Kenny is Senior Research Scientist at Disney Research Edinburgh, The Walt Disney Company Ltd

 With and without motion blur image

Authors: Lavanya Sharan, Neo Zhe Han, Kenny Mitchell, Jessica Hodgins


Motion blur effects are commonly used in racing games [Sousa 2008; Vlachos 2008; Ritchie et al. 2010] to add a sense of realism as well as to minimize artifacts due to strobing and temporal aliasing [Glassner 1999]. Typically, motion blur computations are expensive, and for real-time applications, trade-offs are made between the quality of the effects and the computational cost. In this work, we wanted to understand: (i) the practical impact of the motion blur effect on the player experience; and (ii) whether the value gained by including the effect is worth the extra cost in computation, real-time performance, development time, etc. We studied the objective and subjective aspects of the player experience for Split Second: Velocity (Black Rock Studios, Disney), a high-speed racing game, in the presence and absence of the motion blur effect. We found that neither objective measures of participants’ performance (e.g., time to complete a race) nor subjective measures of the player experience (e.g, enjoyment of a race, perceived speed) were affected, even though participants could reliably detect the presence of the motion blur effect. We conclude that motion blur effects, while useful for reducing artifacts and achieving a realistic ‘look’, do not significantly enhance the player experience. 



Authors Paper Copy


author = "Lavanya Sharan, Neo Zhe Han, Kenny Mitchell, Jessica Hodgins", title = "Simulated motion blur does not improve player experience in racing game", year = "2013", journal = "Proceedings of Motion in Games", month = "to appear", number = "", url = "", volume = "", }