1. 3D + 2D TV 3D Displays with No Ghosting for Viewers Without Glasses Steven Scher Jing Liu Rajan Vaish Prabath Gunawardane James Davis University of California Santa Cruz SIGGRAPH 2013

3. 3DTV

6. Standard 3D TV

7. 3D+2DTV Prototype

8. Third, Inverted Image

9. Related Work Projecting onto a Non-Uniform Surface Minimizing disparity Autostereoscopic Displays Didyk 2011 Dodgson 2005 Grossberg 2004

10. Theory Experiments Prototype

11. Standard 3DTV L L R R R R As Seen Without Stereo Glasses L L L R R R Same for Both Eyes 2D 3D Time L + R

12. 3D+2DTV L L As Seen Without Stereo Glasses L L L R R R L L L R R R Same for Both Eyes Time 2D 3D 3D+2D L + R+(1-R)

13. 3D+2DTV L L As Seen Without Stereo Glasses L L L R R R Time 3D+2D L L L R R R L + α R [R+(1-R)] Dimmer

14. 3D+2DTV As Seen Without Stereo Glasses L L L R R R Time 3D+2D L L L R R R Dimmer Variable-Length L L L L L R L L L + α R [R+(1-R)]

15. 3D+2DTV Time Variable-Length L L L L L R L + α R [R+(1-R)] αR=αR= Brightness of Right Stereo Image Brightness of Left Stereo Image

16. Darkest and Brightest Pixel of 2D Image Darkest Pixel Brightest Pixel: Equal Length Brightest Pixel: Variable Length Brightness L L L L L R Brightest Pixel = 1- α R /(1+2α R ) %% % αRαR % Variable-Length Frames: Darkest Pixel = α R max L Brightest Pixel = (1+α R )max L L L L R R R Dimmed, Equal-Length Frames:

17. Viable α? α=100%α=0% Acceptable 2D View 2D Normal2D Low Contrast Acceptable 3D View 3D Brightness Too Unequal 3D Normal

18. Viable α? α=100%α=0% Acceptable 2D View Acceptable 3D View OK

19. Theory Experiments 2D Viewer Preferences 3D Depth Perception 3D Illusions Prototype

20. Viewer Preference Test: Composite 2D Image α=40% Standard 3DTV3D+2DTV Double-Image Lower Contrast

21. Viewer Preference Test: Composite 2D Image α=20% α=40% α=60% Standard 3DTV3D+2DTV

22. 2D Viewers Prefer 3D+2DTV to 3DTV Equal Length Variable-Length % Who Prefer 3D+2DTV %% % αRαR

23. 3D Depth Perception Test FarNear Stereo Image Shown

24. 3D Depth Perception Test FarNear Perceived 3D Image

25. 3D Depth Perception Test Perceived 3D Image

26. Depth Estimation Excellent for α ≥ 25% Error in Depth Estimation (degrees disparity) %% % αRαR

27. Viable α α=100% α=0% α=40% α=25% Acceptable 2D View Acceptable 3D View OK!

28. Adaptation to a Darker Image Dark Lens Left EyeRight Eye Stationary Object

29. SLOW Dimmer Image = Delayed Image Stationary Object

30. SLOW Moving Objects: Disparity = Depth Time = 1 … 2 … 3 … 4 Moving Object Apparent Location

31. Pulfrich Effect Creates Depth Super Bowl Commercial - Diet Coke Doctor Who 3 rd Rock from the Sun

32. 3D Depth Perception of Moving Objects Stereo Image Shown

33. 3D Depth Perception of Moving Objects Perceived 3D Image

34. Depths of Moving Objects Distorted Right Eye Dimmer Left Eye Dimmer Depth Error (Degrees) Equal Brightness  Slow  Fast  Fast  Slow

35. Theory Experiments Prototype

36. Prototype

37. 3D Projector 3D Glasses LR L R

38. Prototype Polarizing Filter 3D Glasses (With Polarizing Filter) LR R L R R

39. Standard 3D TV

40. 3D + 2D TV Prototype

41. Third Channel: Inverse of Right Eye

42. Standard 3D TV

43. 3D + 2D TV Prototype

44. Third Channel: Inverse of Right Eye

45. Standard 3D TV

46. 3D + 2D TV Prototype

47. Third Channel: Inverse of Right Eye

48. 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/

49. Two-Frame 3D+2DTV L L As Seen Without Stereo Glasses L L L R R R L L L Time Three Frames L + R+(1-R) Two Frames R R R