3d + 2d tv
DESCRIPTION
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. - PowerPoint PPT PresentationTRANSCRIPT
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3D + 2D TV3D Displays with No Ghostingfor Viewers Without Glasses
Steven ScherJing Liu
Rajan VaishPrabath Gunawardane
James Davis
University of California Santa CruzSIGGRAPH 2013
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3DTV
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3DTV3DTV
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3DTV3DTV
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3DTV3DTV
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Standard 3D TV
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3D+2DTV Prototype
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Third, Inverted Image
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Related Work
Projecting onto a Non-Uniform Surface
Minimizing disparity Autostereoscopic Displays
Didyk 2011 Dodgson 2005
Grossberg 2004
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TheoryExperiments
Prototype
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Standard 3DTV
L L L L
L L L L
L L L L
R R R R
R R R R
R R R RAs Seen Without Stereo Glasses
L L L R R R
Same for Both Eyes2D
3D
Time
L + R
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3D+2DTV
L L L L
L L L L
L L L LAs Seen Without Stereo Glasses
L L L R R R R R R
L L L R R R
Same for Both Eyes
Time
2D
3D
3D+2D
L + R+(1-R)
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3D+2DTV
L L L L
L L L L
L L L LAs Seen Without Stereo Glasses
L L L R R R R R R
Time
3D+2D
L L L R R R R R R
L + αR [R+(1-R)]
Dimmer
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3D+2DTV
As Seen Without Stereo Glasses
L L L R R R R R R
Time
3D+2D
L L L R R R R R RDimmer
Variable-Length L L L L L R R R R
L L L L
L L L L
L L L L
L + αR [R+(1-R)]
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3D+2DTVTime
Variable-Length L L L L L R R R R
L + αR [R+(1-R)]
αR= Brightness of Right Stereo ImageBrightness of Left Stereo Image
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Darkest and Brightest Pixel of 2D Image
Darkest Pixel
Brightest Pixel:Equal Length
Brightest Pixel:Variable Length
Brig
htne
ssL L L L L R R R R
Brightest Pixel = 1- αR/(1+2αR)
%%%%%
αR
%Variable-Length Frames:
Darkest Pixel = αR maxL
Brightest Pixel = (1+αR)maxL
L L L R R R R R R
Dimmed, Equal-Length Frames:
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Viable α?
α=100%α=0%
Acceptable2D View
2D Normal 2D Low Contrast
Acceptable3D View
3D BrightnessToo Unequal 3D Normal
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Viable α?
α=100%α=0%
Acceptable2D View
Acceptable3D View
OK
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TheoryExperiments
2D Viewer Preferences3D Depth Perception3D Illusions
Prototype
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Viewer Preference Test: Composite 2D Image
α=40%
Standard 3DTV 3D+2DTV
Double-ImageLower Contrast
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Viewer Preference Test: Composite 2D Image
α=20%
α=40%
α=60%
Standard 3DTV 3D+2DTV
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2D Viewers Prefer 3D+2DTV to 3DTV
Equal LengthVariable-Length% Who Prefer
3D+2DTV
%%%%%
αR
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3D Depth Perception Test
Far NearStereo Image Shown
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3D Depth Perception Test
Far NearPerceived 3D Image
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3D Depth Perception Test
Perceived 3D Image
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Depth Estimation Excellent for α ≥ 25%
Error inDepth Estimation
(degrees disparity)
%%%%%
αR
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Viable α
α=100%α=0%
α=40%
α=25%
Acceptable2D View
Acceptable3D View
OK!
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Adaptation to a Darker Image
Dark Lens
Left Eye Right Eye
Stationary Object
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SLOW
Dimmer Image = Delayed Image
Stationary Object
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SLOW
Moving Objects: Disparity = DepthTime = 1 … 2 … 3 … 4
Moving ObjectApparent Location
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Pulfrich Effect Creates Depth
Super Bowl Commercial - Diet Coke
Doctor Who
3rd Rock from the Sun
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3D Depth Perceptionof Moving Objects
Stereo Image Shown
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3D Depth Perceptionof Moving Objects
Perceived 3D Image
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Depths of Moving Objects Distorted
Right Eye Dimmer
Left Eye Dimmer
Dept
h Er
ror (
Degr
ees)
Equal Brightness
Slow
Fast
Fast
Slow
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TheoryExperiments
Prototype
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Prototype
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Prototype
3D Projector
3D Glasses
L R
L
R
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Prototype
Polarizing Filter
3D Glasses(With Polarizing Filter)
L R
R
L
R
R
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Standard 3D TV
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3D + 2D TV Prototype
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Third Channel: Inverse of Right Eye
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Standard 3D TV
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3D + 2D TV Prototype
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Third Channel: Inverse of Right Eye
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Standard 3D TV
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3D + 2D TV Prototype
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Third Channel: Inverse of Right Eye
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Thank youPlease stay after the next talk to see a
live demo of anew single-projector prototype
http://graphics.soe.ucsc.edu/papers/3d2dtv/
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Two-Frame 3D+2DTV
L L L L
L L L L
L L L LAs Seen Without Stereo Glasses
L L L R R R R R R
L L L
Time
Three Frames
L + R+(1-R)
Two Frames
R R RR R R