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3D Displays with No Ghosting for Viewers Without Glasses Steven Scher Jing Liu Rajan Vaish Prabath Gunawardane James Davis University of California Santa Cruz. 3D + 2D TV. SIGGRAPH 2013. 3DTV. 3DTV. 3DTV. 3DTV. 3DTV. 3DTV. 3DTV. Standard 3D TV. 3D+2DTV Prototype.
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3D Displays with No Ghosting • for Viewers Without Glasses • Steven Scher • Jing Liu • RajanVaish • PrabathGunawardane • James Davis • University of California Santa Cruz 3D + 2D TV SIGGRAPH 2013
3DTV 3DTV
3DTV 3DTV
3DTV 3DTV
Related Work Minimizing disparity Autostereoscopic Displays Didyk 2011 Dodgson 2005 Projecting onto a Non-Uniform Surface Grossberg 2004
Standard 3DTV Time L + R 2D Same for Both Eyes R RRR R RRR R RRR L LLL L LLL L LLL 3D R RR L LL As Seen Without Stereo Glasses
3D+2DTV Time L + R+(1-R) 2D Same for Both Eyes L LLL L LLL L LLL 3D R RR L LL R RR R RR L LL 3D+2D As Seen Without Stereo Glasses
3D+2DTV Time L + αR [R+(1-R)] L LLL L LLL L LLL R RR R RR L LL 3D+2D Dimmer R RR R RR L LL As Seen Without Stereo Glasses
3D+2DTV Time L + αR [R+(1-R)] L LLL L LLL L LLL R RR R RR L LL 3D+2D Dimmer R RR R RR L LL As Seen Without Stereo Glasses Variable-Length R R R R L LLLL
3D+2DTV Time L + αR [R+(1-R)] Brightness of Right Stereo Image αR= Variable-Length R R R R L LLLL Brightness of Left Stereo Image
Darkest and Brightest Pixel of 2D Image % Variable-Length Frames: Brightest Pixel: Variable Length Brightest Pixel = 1- αR/(1+2αR) R R R R L LLLL Brightness Dimmed, Equal-Length Frames: Brightest Pixel: Equal Length Brightest Pixel = (1+αR)maxL Darkest Pixel R RR R RR L LL % % % % % αR Darkest Pixel = αRmaxL
Viable α? 2D Normal 2D Low Contrast Acceptable 2D View α=0% α=100% Acceptable 3D View 3D Brightness Too Unequal 3D Normal
Viable α? OK Acceptable 2D View α=0% α=100% Acceptable 3D View
TheoryExperiments2D Viewer Preferences 3D Depth Perception 3D IllusionsPrototype
Viewer Preference Test: Composite 2D Image Standard 3DTV 3D+2DTV Double-Image Lower Contrast α=40%
Viewer Preference Test: Composite 2D Image Standard 3DTV 3D+2DTV α=20% α=40% α=60%
2D Viewers Prefer 3D+2DTV to 3DTV Variable-Length % Who Prefer 3D+2DTV Equal Length % % % % % αR
3D Depth Perception Test Far Near Stereo Image Shown
3D Depth Perception Test Far Near Perceived 3D Image
3D Depth Perception Test Perceived 3D Image
Depth Estimation Excellent for α ≥ 25% Error in Depth Estimation (degrees disparity) % % % % % αR
Viable α α=40% OK! Acceptable 2D View α=100% α=0% Acceptable 3D View α=25%
Adaptation to a Darker Image Stationary Object Dark Lens Left Eye Right Eye
Dimmer Image = Delayed Image Stationary Object SLOW
Moving Objects: Disparity = Depth Time = 1 … 2 … 3 … 4 Moving Object Apparent Location SLOW
Pulfrich Effect Creates Depth Super Bowl Commercial - Diet Coke Doctor Who 3rd Rock from the Sun
3D Depth Perceptionof Moving Objects Stereo Image Shown
3D Depth Perceptionof Moving Objects Perceived 3D Image
Depths of Moving Objects Distorted Fast Slow Depth Error (Degrees) Slow Fast Left Eye Dimmer Equal Brightness Right Eye Dimmer
Prototype L 3D Glasses R L R 3D Projector
Prototype L 3D Glasses (With Polarizing Filter) R R L R R Polarizing Filter
Thank you Please stay after the next talk to see a live demo of a new single-projector prototype http://graphics.soe.ucsc.edu/papers/3d2dtv/
Two-Frame 3D+2DTV Time L + R+(1-R) L LLL L LLL L LLL R RR R RR L LL Three Frames Two Frames L LL As Seen Without Stereo Glasses R RR R RR