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Real-time simulation of visual defects with gaze-contingent display

Published: 26 March 2008 Publication History

Abstract

Effective management and treatment of glaucoma and other visual diseases depend on early diagnosis. However, early symptoms of glaucoma often go unnoticed until a significant portion of the visual field is lost. The ability to simulate the visual consequences of the disease offers potential benefits for patients and clinical education as well as for public awareness of its signs and symptoms. Experiments using simulated visual field defects could identify changes in behaviour, for example during driving, that one uses to compensate at the early stages of the disease's development. Furthermore, by understanding how visual field defects affect performance of visual tasks, we can help develop new strategies to cope with other devastating diseases such as macular degeneration. A Gaze-Contingent Display (GCD) system was developed to simulate an arbitrary visual field in a virtual environment. The system can estimate real-time gaze direction and eye position in earth-fixed coordinates during relatively large head movement, and thus it can be used in immersive projection based VE systems like the CAVE™. Arbitrary visual fields are simulated via OpenGL and Shading Language capabilities and techniques that are supported by the GPU, thus enabling fast performance in real time. In order to simulate realistic visual defects, the system performs multiple image processing operations including change in acuity, brightness, color, glare and image distortion. The final component of the system simulates different virtual scenes that the participant can navigate through and explore. As a result, this system creates an experimental environment to study the effects of low vision on everyday tasks such as driving and navigation.

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  • (2022)Evaluation of Steady-State Visual Evoked Potentials (SSVEP) Stimuli Design for Visual Field Assessment2022 International Conference on Cyberworlds (CW)10.1109/CW55638.2022.00045(179-186)Online publication date: Sep-2022
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  • (2018)Exploring the Role of Tunnel Vision Simulation in the Design Cycle of Accessible InterfacesProceedings of the 15th International Web for All Conference10.1145/3192714.3192822(1-10)Online publication date: 23-Apr-2018
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cover image ACM Conferences
ETRA '08: Proceedings of the 2008 symposium on Eye tracking research & applications
March 2008
285 pages
ISBN:9781595939821
DOI:10.1145/1344471
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: 26 March 2008

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Author Tags

  1. eye disease
  2. foveated imaging
  3. gaze contingent display
  4. head-eye tracking system
  5. image processing
  6. low vision
  7. variable resolution image
  8. visual fields

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ETRA '08
ETRA '08: Eye Tracking Research and Applications
March 26 - 28, 2008
Georgia, Savannah

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Overall Acceptance Rate 69 of 137 submissions, 50%

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Cited By

View all
  • (2022)Evaluation of Steady-State Visual Evoked Potentials (SSVEP) Stimuli Design for Visual Field Assessment2022 International Conference on Cyberworlds (CW)10.1109/CW55638.2022.00045(179-186)Online publication date: Sep-2022
  • (2020)Effect of a Constant Camera Rotation on the Visibility of Transsaccadic Camera ShiftsACM Symposium on Eye Tracking Research and Applications10.1145/3379155.3391318(1-8)Online publication date: 2-Jun-2020
  • (2018)Exploring the Role of Tunnel Vision Simulation in the Design Cycle of Accessible InterfacesProceedings of the 15th International Web for All Conference10.1145/3192714.3192822(1-10)Online publication date: 23-Apr-2018
  • (2016)A fuzzy inference anti-shake technique for mobile display2016 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE)10.1109/FUZZ-IEEE.2016.7737905(1776-1780)Online publication date: Jul-2016
  • (2016)Impact of depth of field simulation on visual fatigueInternational Journal of Human-Computer Studies10.1016/j.ijhcs.2016.03.00191:C(37-51)Online publication date: 1-Jul-2016
  • (2014)Gaze-contingent depth of field in realistic scenesProceedings of the Symposium on Eye Tracking Research and Applications10.1145/2578153.2578170(119-126)Online publication date: 26-Mar-2014
  • (2013)A behavioral task for the validation of a gaze-contingent simulated scotomaBehavior Research Methods10.3758/s13428-013-0321-645:4(1313-1321)Online publication date: 23-Mar-2013
  • (2010)Contingency evaluation of gaze-contingent displays for real-time visual field simulationsProceedings of the 2010 Symposium on Eye-Tracking Research & Applications10.1145/1743666.1743728(263-266)Online publication date: 22-Mar-2010
  • (2010)Influences of data filtering on human-computer interaction by gaze-contingent display and eye-tracking applicationsComputers in Human Behavior10.1016/j.chb.2010.05.03026:6(1555-1563)Online publication date: 1-Nov-2010

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