Affiliation:
1. School of Computing, University of Utah, Salt Lake City, UT 84112, USA
Abstract
We carried out three experiments to examine the influence of field of view and binocular viewing restrictions on absolute distance perception in real-world indoor environments. Few of the classical visual cues provide direct information for accurate absolute distance judgments to points in the environment beyond about 2 m from the viewer. Nevertheless, in previous work it has been found that visually directed walking tasks reveal accurate distance estimations in full-cue real-world environments to distances up to 20 m. In contrast, the same tasks in virtual environments produced with head-mounted displays (HMDs) show large compression of distance. Field of view and binocular viewing are common limitations in research with HMDs, and have been rarely studied under full pictorial-cue conditions in the context of distance perception in the real-world. Experiment 1 showed that the view of one's body and feet on the floor was not necessary for accurate distance perception. In experiment 2 we manipulated the horizontal and the vertical field of view along with head rotation and found that a restricted field of view did not affect the accuracy of distance estimations when head movement was allowed. Experiment 3 showed that performance with monocular viewing was equal to that with binocular viewing. These results have implications for the information needed to scale egocentric distance in the real-world and reduce the support for the hypothesis that a limited field of view or imperfections in binocular image presentation are the cause of the underestimation seen with HMDs.
Subject
Artificial Intelligence,Sensory Systems,Experimental and Cognitive Psychology,Ophthalmology
Reference46 articles.
1. Restricting the Field of View: Perceptual and Performance Effects
2. Absolute motion parallax weakly determines visual scale in real and virtual environments
3. Two memories for geographical slant: Separation and interdependence of action and awareness
4. Cunningham J A, Nelson W T, Hettinger L J, Haas M W, Russell C A, 1996 “Perceptual and human factors issues in virtual environments (course notes): Assessing target detection performance using head position data: A qualitative and quantitative analysis”, in Proceedings of IMAGE ′96, Scottsdale, AZ, 23–28 June (Scottsdale, AZ: The IMAGE Society)
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