NDLI: Influence of resolution degradation on distance estimation in virtual space displaying static and dynamic image

Content Provider	IEEE Xplore Digital Library
Author	Ryu, J. Hashimoto, N. Sato, M.
Copyright Year	2005
Description	Author affiliation: Precision & Intelligence Lab., Tokyo Inst. of Technol., Yokohama (Ryu, J.; Hashimoto, N.; Sato, M.)
Abstract	The virtual reality (VR) technology has been used as the application of architectural presentation or simulation tool in the field of industry. The high immersion and intuitive visual information are the great merits of design evaluation or environmental simulation when we are using the virtual environments. But the distortion of distance perception in VR is still a big problem when the accuracy of distance presentation is strictly required. In this paper, we have carried out some experiments about distance estimation in the immersive virtual environments to verify the factors and their influence. We made a hypothesis that the lack of the information for the user in VR causes the different distance estimation from the real world because users are usually comfortable with moving fast and long distance in VR environments. So, we carried out basic experiment to prove our hypothesis that the lack of information makes subjects estimate the walked distance in VR shorter compared with the same distance in real. Also, among the factors that probably affect the distance estimation in VR, we verified the influence of the image resolution. The influence of resolution degradation of image on the distance estimation was verified with the condition of static and dynamic images. The results showed that the resolution has deep relation with the distance estimation. For example, the subject underestimated the distance at the lower resolution condition. We also find the methods of the making the lower resolution image could affects on the visual perception of subjects
Starting Page	8
Ending Page	50
File Size	687051
Page Count	43
File Format	PDF
ISBN	0769523781
DOI	10.1109/CW.2005.54
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-11-23
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image resolution Degradation Virtual reality Space technology Virtual environment Computer graphics Navigation Laboratories Aerospace industry Visual perception
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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