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Mark Schubin,HPA Tech Retreat, 2011 February 17 1 Alternatives to Two-Lens 3D Mark Schubin, SchubinCafe.com PLEASE VIEW IN SLIDE SHOW MODE TO ACTIVATE.

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Presentation on theme: "Mark Schubin,HPA Tech Retreat, 2011 February 17 1 Alternatives to Two-Lens 3D Mark Schubin, SchubinCafe.com PLEASE VIEW IN SLIDE SHOW MODE TO ACTIVATE."— Presentation transcript:

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2 Mark Schubin,HPA Tech Retreat, 2011 February 17 1 Alternatives to Two-Lens 3D Mark Schubin, SchubinCafe.com PLEASE VIEW IN SLIDE SHOW MODE TO ACTIVATE AUDIO PLEASE VIEW IN SLIDE SHOW MODE TO ACTIVATE AUDIO

3 Mark Schubin,HPA Tech Retreat, 2011 February 17 2 The Elusive Grail Can there be a 3D system with no ghosting no ghosting no V-A conflict or shrinking no V-A conflict or shrinking adult-child compatibility adult-child compatibility 2D-viewer compatibility 2D-viewer compatibility no extra personnel no extra personnel one lens & camera/position one lens & camera/position one signal path/recording one signal path/recording full spatial & temporal resolution full spatial & temporal resolution inexpensive glasses inexpensive glasses for all TVs & distribution? for all TVs & distribution?

4 Mark Schubin,HPA Tech Retreat, 2011 February 17 3 Alternatives to Twin-Lens 3D Less Than Fully Stereoscopic Less Than Fully Stereoscopic e.g., choromostereoscopic, Pulfrich e.g., choromostereoscopic, Pulfrich 2D-to-3D Conversion 2D-to-3D Conversion frame-by-frame, auto+assist, live frame-by-frame, auto+assist, live Virtual 3D Cameras Virtual 3D Cameras second VC per position second VC per position Single-Lens Stereoscopic Single-Lens Stereoscopic Sony TDG, ISee3D, etc. Sony TDG, ISee3D, etc. SoliDDD, Wasol, Zepar SoliDDD, Wasol, Zepar ISee3Dshuttering BBC R&D White Paper 180

5 Mark Schubin,HPA Tech Retreat, 2011 February 17 4 Chromostereopsis Eye lens focuses one color Eye lens focuses one color red seems in front of blue red seems in front of blue Real-world often matches Real-world often matches front: people, animals front: people, animals back: green trees, blue skies easy animation easy animation ChromaDepth glasses ChromaDepth glasses prism-based color shift prism-based color shift portion of Apparatus to Talk to Aliens, Akiyoshi Kitaoka, Ritsumeikan U.

6 Mark Schubin,HPA Tech Retreat, 2011 February 17 5 Pulfrich Illusion One eye darkened One eye darkened dark eye sees what was dark eye sees what was clear eye sees what is clear eye sees what is Choreography crucial Choreography crucial carousel ideal carousel ideal Rolling Stones Steel Wheels tour: good Rolling Stones Steel Wheels tour: good Super Bowl half-time: bad

7 Mark Schubin,HPA Tech Retreat, 2011 February 17 6 View Shifting Wiggle-Vision Wiggle-Vision 3D for the one-eyed 3D for the one-eyed Constant motion Constant motion if not subtle, annoying if not subtle, annoying if subtle, near invisible if subtle, near invisible V3 iris-shifting lens adaptor V3 iris-shifting lens adaptor widely used, very subtle widely used, very subtle see for yourself: see for yourself:

8 Mark Schubin,HPA Tech Retreat, 2011 February 17 7 Less Than Full Stereoscopy in Use enhanced chromostereopsis (ChromaDepth) – VH1 Pulfrich - Discovery anaglyph micro- stereopsis – Nine TV Sydney (TrioScopics shown) view- shift – CBS

9 Mark Schubin,HPA Tech Retreat, 2011 February 17 8 Virtual-Camera S3D Imec above, BBC Research White Paper 180 similar

10 Mark Schubin,HPA Tech Retreat, 2011 February 17 9 The Other Stereo Scientific American, December 31, 1881 A-B Stereo (Spaced Omnis) BIG sensation difference BIG sensation difference Unnatural Unnatural Poor mono compatibility Poor mono compatibility distance >>human head width remember ping-pong stereo? Binauricular Auduition compared to stereoscope

11 Mark Schubin,HPA Tech Retreat, 2011 February Single-Source Stereo X-Y, M-S, Dummy Head coincident stereo techniques consumer, too

12 Mark Schubin,HPA Tech Retreat, 2011 February Narrow-Separation Listening EmbracingSound speaker system common professional Wohler stereo monitoring Philips HTS7140 3D Blu-ray home theatre with surround-sound bar

13 Mark Schubin,HPA Tech Retreat, 2011 February Cue Significance S. Nagata, 1991 J. Cutting & P. Vishton, 1995

14 Mark Schubin,HPA Tech Retreat, 2011 February Visual Stereoacuity Stereoacuity at Distance and Near, Wong, Woods, & Peli Binocular Vision and Stereopsis, Howard & Rogers, arcsecond stereoacuity ~ 1/6 of a pixel at optimum (6/6, 20/20) viewing angle

15 Mark Schubin,HPA Tech Retreat, 2011 February Limited Stereopsis reference: Canon XJ22x7.3 compact studio lens 165 mm wide box Canon 3D lens, shown on XL1 DXG-321 much narrower than pupillary distance Sharp 3D module Hammacher-Schlemmer Panasonic VW-CLT1 3D conversion lens (outer width 58 mm) lens adaptor

16 Mark Schubin,HPA Tech Retreat, 2011 February Microstereopsis CES 2009 no-glasses2D-compatible (no double images) 1979: D.O.T.S. NL (Beiser US; 1970: Songer) Nine TV Sydney in focus: normal in focus: normal too close: LG, RM too close: LG, RM too far: LM, RG too far: LM, RG one camera one camera ISee3D alternate-shuttered version Sony Technology Development Group

17 Mark Schubin,HPA Tech Retreat, 2011 February Successfully broadcast Successfully broadcast Patents have expired Patents have expired One ordinary lens/position* One ordinary lens/position* Single-camera/position* Single-camera/position* 3D display ok for 2D viewing 3D display ok for 2D viewing Ghosting not an issue Ghosting not an issue V-A conflict not an issue V-A conflict not an issue * depends somewhat on system Microstereopsis

18 Mark Schubin,HPA Tech Retreat, 2011 February Successfully broadcast Successfully broadcast Patents have expired Patents have expired One ordinary lens/position* One ordinary lens/position* Single-camera/position* Single-camera/position* 3D display ok for 2D viewing 3D display ok for 2D viewing Ghosting not an issue Ghosting not an issue V-A conflict not an issue V-A conflict not an issue * depends somewhat on system Microstereopsis

19 Mark Schubin,HPA Tech Retreat, 2011 February Successfully broadcast Successfully broadcast Patents have expired Patents have expired One ordinary lens/position* One ordinary lens/position* Single-camera/position* Single-camera/position* 3D display ok for 2D viewing 3D display ok for 2D viewing Ghosting not an issue Ghosting not an issue V-A conflict not an issue V-A conflict not an issue * depends somewhat on system Microstereopsis ?

20 Mark Schubin,HPA Tech Retreat, 2011 February More at SchubinCafe.com download Some Aspects of 3D in Depth these slides are posted on the presentations page; the presentation with audio will be on SchubinCafe.com soon


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