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HMD calibration and its effects on distance judgments

Published: 03 September 2009 Publication History

Abstract

Most head-mounted displays (HMDs) suffer from substantial optical distortion, and vendor-supplied specifications for field-of-view often are at variance with reality. Unless corrected, such displays do not present perspective-related visual cues in a geometrically correct manner. Distorted geometry has the potential to affect applications of HMDs, which depend on precise spatial perception. This article provides empirical evidence for the degree to which common geometric distortions affect one type of spatial judgment in virtual environments. We show that minification or magnification in the HMD that would occur from misstated HMD field of view causes significant changes in distance judgments. Incorrectly calibrated pitch and pincushion distortion, however, do not cause statistically significant changes in distance judgments for the degree of distortions examined. While the means for determining the optical distortion of display systems are well known, they are often not used in non-see-through HMDs due to problems in measuring and correcting for distortion. As a result, we also provide practical guidelines for creating geometrically calibrated systems.

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    Published In

    cover image ACM Transactions on Applied Perception
    ACM Transactions on Applied Perception  Volume 6, Issue 3
    August 2009
    130 pages
    ISSN:1544-3558
    EISSN:1544-3965
    DOI:10.1145/1577755
    Issue’s Table of Contents
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Publication History

    Published: 03 September 2009
    Accepted: 01 June 2009
    Revised: 01 May 2009
    Received: 01 February 2009
    Published in TAP Volume 6, Issue 3

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    Author Tags

    1. Immersive virtual environment
    2. field of view
    3. minification
    4. perception
    5. pincushion distortion
    6. pitch

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    • (2024)VR/AR MetaverseColour Futures10.1007/978-3-031-70920-3_10(165-206)Online publication date: 3-Dec-2024
    • (2023)The contribution of image minification to discomfort experienced in wearable opticsJournal of Vision10.1167/jov.23.8.1023:8(10)Online publication date: 8-Aug-2023
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