A Psycho-Perceptual Comparison of the Dead Reckoning and the Hybrid Strategy Model Entity State Update Prediction Techniques

McLoone, Seamus and Kenny, Alan and Ward, Tomas E. and Delaney, Declan (2006) A Psycho-Perceptual Comparison of the Dead Reckoning and the Hybrid Strategy Model Entity State Update Prediction Techniques. In: CGAMES06, November 22 - 24 2006, Dublin Institute of Technology, Ireland.

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Distributed Interactive Applications (DIAs) typically employ entity prediction mechanisms in order to reduce the number of packets sent between clients across the network. This in turn counters the effect of network latency and can improve the consistency of the distributed application. Dead Reckoning (DR) is currently the most commonly used entity state prediction mechanism but a more recent technique called the Hybrid Strategy Model (HSM) has been proposed in the research literature. This alternative method has been shown to further reduce the number of update packets required to maintain a consistent state in a DIA. However, there is a distinct lack of end-user perceptual analysis of these techniques. In other words, does the HSM method improve the gaming experience of the user compared to DR? A reduction in packet count may improve issues with latency but can adversely degrade the modelling quality and therefore the overall level of consistency is unknown. Hence, this paper proposes the novel use of user perception as a means to determine the quality of a given entity state update mechanism. Here, we compare DR and HSM from a user perceptual viewpoint by collecting linguistic feedback on short scenes recorded from a racing game. Details of the experiment and the obtained results are presented within.

Item Type: Conference or Workshop Item (Paper)
Keywords: Distributed Interactive Applications; Entity Update Mechanisms; Psycho-Perceptual Analysis; Dead Reckoning; Hybrid Strategy Model;
Academic Unit: Faculty of Science and Engineering > Electronic Engineering
Item ID: 1281
Depositing User: Dr Tomas Ward
Date Deposited: 11 Mar 2009 14:25
Refereed: Yes

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