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Improving focus targeting in interactive fisheye views

Published: 20 April 2002 Publication History
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  • Abstract

    Fisheye views allow people to see both a focus region and the surrounding context in the same window. However, the magnification effects of the fisheye lens can cause several problems for users. One of these is focus-targeting, where a user moves the focus to a new location. Magnification makes focus-targeting difficult because objects appear to move as the focus point approaches them. This paper examines how the distortion of a fisheye view affects focus-targeting performance, and present a technique called speed-coupled flattening (SCF) as a way to improve focus targeting in distortion-oriented views. SCF dynamically reduces the distortion level of a fisheye based on pointer velocity and acceleration. In an experiment, the technique resulted in significant reductions in both targeting time and targeting errors. By adjusting distortion based on the user's activity, we can improve usability without requiring the user to manipulate any additional view controls

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    References

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    Gutwin, C. (2002) Speed-Coupled Flattening Video Figures. Video Proceedings of ACM CHI 2002; also available at: hci.usask.ca/publications/2002/flatten-chi/
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    cover image ACM Conferences
    CHI '02: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
    April 2002
    478 pages
    ISBN:1581134533
    DOI:10.1145/503376
    • Conference Chair:
    • Dennis Wixon
    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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    New York, NY, United States

    Publication History

    Published: 20 April 2002

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    Author Tags

    1. Fitts' Law
    2. distortion-oriented visualization
    3. fisheye views
    4. focus+context
    5. focus-targeting
    6. speed-coupled flattening

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    CHI02
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    CHI02: Human Factors in Computing Systems
    April 20 - 25, 2002
    Minnesota, Minneapolis, USA

    Acceptance Rates

    CHI '02 Paper Acceptance Rate 61 of 414 submissions, 15%;
    Overall Acceptance Rate 6,199 of 26,314 submissions, 24%

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    • (2023)Proxemic Cursor Interactions for Touchless Widget ControlProceedings of the 2023 ACM Symposium on Spatial User Interaction10.1145/3607822.3614525(1-12)Online publication date: 13-Oct-2023
    • (2023)Screen Magnification for Readers with Low Vision: A Study on Usability and PerformanceProceedings of the 25th International ACM SIGACCESS Conference on Computers and Accessibility10.1145/3597638.3608383(1-15)Online publication date: 22-Oct-2023
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