Graphics Reference
In-Depth Information
5 3Dvideodisplaytechnologies
Yourgoalsforthis“3Dvideodisplaytechnologies”chapteraretolearnabout:
• 3Ddisplaycategories.
• 3Dviewingaids.
• Auto-stereoscopic displays.
3Ddisplaysare thelastnode inthe3D videochainand expecttoproduce pleasingpictures
toend-users. The 3D displays generate a number of physiological cues such as binocular
disparity, motion parallax, ocular convergence and accommodation in order to produce
depthsensationsintheHumanVisualSystem(HVS).However,conflictingcluesmaycause
discomfort and fatigue. Unlike standard video displays(e.g.PCmonitor),3Dvideorequires
specialdisplaytechniquesoradditionalviewingaidssuch as polarization glasses and shut-
ter glasses. Furthermore, only the cost effective and adaptive displays willenable3Dvideo
ineveryhousehold.For,exampleratherthanhavingaspecific3Ddisplayathome, a single
displaythatcanworkas2Dor3Ddisplaygetmoreattentionfromtheusers.Asurveyof3D
displaytechniquesispresentedin[88].Themajortypesof3Dvideodisplaytechniquesand
thedisplay typeusedinthisresearcharediscussedinthefollowing.
The 3D display techniques can be categorized into three main types namely;
• Volumetric displays
