for Viewers Without Glasses Steven Scher Jing Liu Rajan Vaish Prabath Gunawardane James Davis University of California Santa Cruz SIGGRAPH 2013 3DTV 3DTV 3DTV 3DTV 3DTV 3DTV ID: 930215
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Slide1
3D + 2D TV
3D Displays with No Ghosting
for Viewers Without GlassesSteven ScherJing LiuRajan VaishPrabath GunawardaneJames Davis University of California Santa Cruz
SIGGRAPH 2013
Slide23DTV
Slide33DTV
3DTV
Slide43DTV
3DTV
Slide53DTV
3DTV
Slide6Standard 3D TV
Slide73D+2DTV Prototype
Slide8Third, Inverted Image
Slide9Related Work
Projecting onto a Non-Uniform Surface
Minimizing disparityAutostereoscopic Displays
Didyk 2011Dodgson 2005
Grossberg
2004
Slide10Theory
ExperimentsPrototype
Slide11Standard 3DTV
L
L L
LL L
L
L
L
L
L
L
R R R
R
R
R
R
R
R
R
R
R
As Seen Without Stereo Glasses
L
L
L
R
R
R
Same for Both Eyes
2D
3D
Time
L + R
Slide123D+2DTV
L
L L L
L L L
L
L
L
L
L
As 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)
Slide133D+2DTV
L
L L L
L L L
L
L
L
L
L
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
R
L +
α
R
[R+(1-R)]
Dimmer
Slide143D+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
R
Dimmer
Variable-Length
L
L
L
L
L
R
R
R
R
L
L
L
L
L
L
L
L
L
L
L
L
L +
α
R
[R+(1-R)]
Slide153D+2DTV
Time
Variable-LengthL L
L L
L
R
R
R
R
L +
α
R
[R+(1-R)]
α
R
=
Brightness of Right Stereo Image
Brightness of Left Stereo Image
Slide16Darkest and Brightest Pixel of 2D Image
Darkest Pixel
Brightest Pixel:Equal LengthBrightest Pixel:Variable LengthBrightness
L L
L
L
L
R
R
R
R
Brightest Pixel = 1-
α
R
/(
1+2
α
R
)
%
%
%
%
%
α
R
%
Variable-Length Frames:
Darkest Pixel =
α
R
max
L
Brightest Pixel = (1+
α
R
)
max
L
L
L
L
R
R
R
R
R
R
Dimmed, Equal-Length Frames:
Slide17Viable α?
α=100%
α=0%Acceptable2D View2D Normal
2D Low ContrastAcceptable3D View
3D Brightness
Too Unequal
3D Normal
Slide18Viable
α
?
α
=100%
α
=0%
Acceptable
2D View
Acceptable
3D View
OK
Slide19Theory
Experiments
2D Viewer Preferences 3D Depth Perception 3D IllusionsPrototype
Slide20Viewer Preference Test: Composite 2D Image
α
=40%Standard 3DTV3D+2DTVDouble-Image
Lower Contrast
Slide21Viewer Preference Test: Composite 2D Image
α
=20%α=40%α=60%Standard 3DTV
3D+2DTV
Slide222D Viewers Prefer 3D+2DTV to 3DTV
Equal Length
Variable-Length% Who Prefer3D+2DTV
%
%
%
%
%
α
R
Slide233D Depth Perception Test
Far
Near
Stereo Image Shown
Slide243D Depth Perception Test
Far
Near
Perceived 3D Image
Slide253D Depth Perception Test
Perceived 3D Image
Slide26Depth Estimation Excellent for α ≥ 25%
Error in
Depth Estimation(degrees disparity)%
%%
%
%
α
R
Slide27Viable
α
α=100%α=0%α=40%α=25%
Acceptable
2D View
Acceptable
3D View
OK!
Slide28Adaptation to a Darker Image
Dark Lens
Left Eye
Right Eye
Stationary Object
Slide29SLOW
Dimmer Image = Delayed Image
Stationary Object
Slide30SLOW
Moving Objects: Disparity
= Depth
Time = 1 … 2 … 3 … 4
Moving Object
Apparent Location
Slide31Pulfrich Effect Creates Depth
Super Bowl Commercial -
Diet Coke
Doctor Who
3
rd
Rock from the Sun
Slide323D Depth Perception
of Moving Objects
Stereo Image Shown
Slide333D Depth Perceptionof Moving Objects
Perceived 3D Image
Slide34Depths of Moving Objects Distorted
Right Eye Dimmer
Left Eye DimmerDepth Error (Degrees)Equal Brightness
Slow
Fast
Fast
Slow
Slide35Theory
ExperimentsPrototype
Slide36Prototype
Slide37Prototype
3D Projector
3D Glasses
L
R
L
R
Slide38Prototype
Polarizing Filter
3D Glasses
(With Polarizing Filter)
L
R
R
L
R
R
Slide39Standard 3D TV
Slide403D + 2D TV Prototype
Slide41Third Channel: Inverse of Right Eye
Slide42Standard 3D TV
Slide433D + 2D TV Prototype
Slide44Third Channel: Inverse of Right Eye
Slide45Standard 3D TV
Slide463D + 2D TV Prototype
Slide47Third Channel: Inverse of Right Eye
Slide48Thank you
Please stay after the next talk to see a
live demo of anew single-projector prototypehttp://graphics.soe.ucsc.edu/papers/3d2dtv/
Slide49Two-Frame 3D+2DTV
L
L L L
L L L
L
L
L
L
L
As 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
R
R
R
R