Eyestrain reduction in stereoscopy / Laure Leroy

Author: Leroy, Laure
Published: London, UK : ISTE, Ltd. ; Hoboken, NJ : John Wiley and Sons, Inc., 2016.
Physical Description: 1 online resource

Access Online

ezaccess.libraries.psu.edu

Availability

Finding items...

Series

Focus series (London, England)

Contents

Machine generated contents note: ch. 1 Principles of Depth and Shape Perception -- 1.1.Function of the eye -- 1.2.Depth perception without stereoscopy -- 1.2.1.Monocular cues -- 1.2.2.Proprioceptive cues -- 1.3.Depth perception through stereoscopic vision -- 1.4.Perception of inclinations and curves -- 1.4.1.Perception of inclination and obliqueness -- 1.4.2.Perception of curves -- 1.5.Artificial stereoscopic vision -- ch. 2 Technological Elements -- 2.1.Taking a picture -- 2.2.Reproduction -- 2.2.1.Colorimetric differentiation -- 2.2.2.Differentiation by polarization -- 2.2.3.Active glasses -- 2.2.4.Auto-stereoscopic screens -- 2.2.5.Virtual reality headsets -- 2.3.Motion parallax restitution -- 2.3.1.Pseudoscopic movement -- 2.3.2.Correcting pseudoscopic movements -- 2.3.3.Monoscopic motion parallax -- ch. 3 Causes of Visual Fatigue in Stereoscopic Vision -- 3.1.Conflict between accommodation and convergence -- 3.2.Too much depth -- 3.3.High spatial frequencies -- 3.3.1.Limits of fusion -- 3.3.2.Comfort and high frequencies -- 3.4.High temporal frequency -- 3.5.Conflicts with monoscopic cues -- 3.6.Vertical disparities -- 3.7.Improper device settings -- 3.7.1.Quality of image and display -- 3.7.2.Differences between left and right images -- 3.7.3.Speed of correction of pseudoscopic movements -- ch. 4 Short- and Long-term Consequences -- 4.1.Short-term effects -- 4.1.1.Decreasing ease of accommodation -- 4.1.2.Decrease in stereoscopic acuity -- 4.1.3.Effects on the punctum proximum -- 4.1.4.More subjective effects -- 4.2.Long-term consequences -- 4.2.1.Long-term effects on children -- ch. 5 Measuring Visual Fatigue -- 5.1.Visual acuity -- 5.1.1.Different possible measurements -- 5.1.2.Optotypes -- 5.2.Proximum accommodation function -- 5.3.Ease of accommodation -- 5.4.Stereoscopic acuity -- 5.4.1.Tests of distance vision -- 5.4.2.Tests of near vision -- 5.5.Disassociated heterophorias -- 5.6.Fusional reserves -- 5.7.Subjective tests -- ch. 6 Reducing Spatial Frequencies -- 6.1.Principle -- 6.2.Technical solution -- 6.2.1.Wavelets -- 6.2.2.BOX FILTER -- 6.2.3.Using a rolling average and other "blurs" -- 6.2.4.Comparison of algorithms -- 6.2.5.Chosen solution -- 6.3.Experiment -- 6.3.1.The task -- 6.4.Measurements of fatigue taken -- 6.4.1.Objective measurements -- 6.4.2.Procedure -- 6.4.3.The subjects -- 6.5.Result -- 6.5.1.Proximum accommodation function -- 6.5.2.Ease of accommodation -- 6.5.3.Stereoscopic acuity -- 6.5.4.Effectiveness in execution of the task -- 6.5.5.Subjective measurements -- 6.5.6.Conclusions -- 6.5.7.Discussion -- ch. 7 Reducing the Distance Between the Virtual Cameras -- 7.1.Principle -- 7.1.1.Usefulness of stereoscopy in depth perception -- 7.1.2.The objects -- 7.1.3.Hypothesis -- 7.2.Experiment -- 7.2.1.Tasks -- 7.2.2.Experimental conditions -- 7.2.3.Subjects -- 7.2.4.Measurements -- 7.3.Results -- 7.3.1.Results for fatigue -- 7.3.2.Perception results -- 7.4.Discussion -- 7.4.1.Influence on visual fatigue -- 7.4.2.Influence on visual perception.

Subject(s)

ISBN

1119318335 (electronic bk.)
1119318548 (electronic bk.)
1119318556 (electronic bk.)
9781119318330 (electronic bk.)
9781119318545 (electronic bk.)
9781119318552 (electronic bk.)
1848219989
9781848219984

Bibliography Note

Includes bibliographical references and index.

View MARC record | catkey: 19515704