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Image quality issues such as Želd of view (FOV) and resolution are important for evaluating "presence" and simulator sickness (SS) in virtual environments (VEs). This research examined effects on postural stability of varying FOV, image resolution, and scene content in an immersive visual display. Two different scenes (a photograph of a fountain and a simple radial pattern) at two different resolutions were tested using six FOVs (30, 60, 90, 120, 150, and 180 deg.). Both postural stability, recorded by force plates, and subjective difŽculty ratings varied as a function of FOV, scene content, and image resolution. Subjects exhibited more balance disturbance and reported more difŽculty in maintaining posture in the wide-FOV, highresolution, and natural scene conditions.

Item Type:	Refereed Article
Keywords:	image quality, virtual reality, human factors
Research Division:	Information and Computing Sciences
Research Group:	Information Systems
Research Field:	Computer-Human Interaction
Objective Division:	Information and Communication Services
Objective Group:	Computer Software and Services
Objective Field:	Application Tools and System Utilities
UTAS Author:	Duh, HB-L (Professor Henry Duh)
ID Code:	90333
Year Published:	2002
Web of Science® Times Cited:	10
Deposited By:	Information and Communication Technology
Deposited On:	2014-03-31
Last Modified:	2014-05-08
Downloads:	0