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.

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 11

Alternatives to Two-Lens 3DAlternatives to Two-Lens 3DMark Schubin, SchubinCafe.comMark Schubin, SchubinCafe.com

PLEASE VIEW IN SLIDE SHOW MODE TO ACTIVATE AUDIO PLEASE VIEW IN SLIDE SHOW MODE TO ACTIVATE AUDIO

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 22

The Elusive GrailThe Elusive GrailCan there be a 3D system withCan there be a 3D system with no ghostingno ghosting no V-A conflict or shrinkingno V-A conflict or shrinking adult-child compatibilityadult-child compatibility 2D-viewer compatibility2D-viewer compatibility no extra personnelno extra personnel one lens & camera/positionone lens & camera/position one signal path/recordingone signal path/recording full spatial & temporal full spatial & temporal

resolutionresolution inexpensive glassesinexpensive glasses for for all all TVs & distribution?TVs & distribution?

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 33

Alternatives to Twin-Lens 3DAlternatives to Twin-Lens 3D

Less Than Fully StereoscopicLess Than Fully Stereoscopic e.g., choromostereoscopic, Pulfriche.g., choromostereoscopic, Pulfrich

2D-to-3D Conversion2D-to-3D Conversion frame-by-frame, auto+assist, liveframe-by-frame, auto+assist, live

Virtual 3D CamerasVirtual 3D Cameras second VC per positionsecond VC per position

Single-Lens StereoscopicSingle-Lens Stereoscopic Sony TDG, ISee3D, etc.Sony TDG, ISee3D, etc. SoliDDD, Wasol, ZeparSoliDDD, Wasol, Zepar ISee3DISee3D

shutteringshuttering

BBC R&D White Paper 180BBC R&D White Paper 180

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 44

ChromostereopsisChromostereopsis Eye lens focuses one colorEye lens focuses one color

red seems in front of bluered seems in front of blue Real-world often matchesReal-world often matches

front: people, animalsfront: people, animalsback: green trees, blue skiesback: green trees, blue skies

easy animationeasy animation ChromaDepth glassesChromaDepth glasses

prism-based color shiftprism-based color shift

portion of portion of Apparatus to Talk to Aliens,Apparatus to Talk to Aliens,Akiyoshi Kitaoka, Ritsumeikan U.Akiyoshi Kitaoka, Ritsumeikan U.

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 55

Pulfrich IllusionPulfrich Illusion

One eye darkenedOne eye darkened dark eye sees what wasdark eye sees what was clear eye sees what isclear eye sees what is

Choreography crucialChoreography crucial carousel idealcarousel ideal

Rolling Stones Rolling Stones Steel WheelsSteel Wheels tour: good tour: goodSuper Bowl half-time: badSuper Bowl half-time: bad

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 66

View ShiftingView Shifting

““Wiggle-Vision”Wiggle-Vision” 3D for the one-eyed3D for the one-eyed Constant motionConstant motion

if not subtle, annoyingif not subtle, annoying if subtle, near invisibleif subtle, near invisible

V3 iris-shifting lens adaptorV3 iris-shifting lens adaptor widely used, very subtlewidely used, very subtle see for yourself: see for yourself:

http://www.inv3.com/examples_section.html

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 77

LessLess ThanThan FullFull Stereoscopy in Stereoscopy in UseUse

enhanced chromostereopsis (ChromaDepth) – VH1enhanced chromostereopsis (ChromaDepth) – VH1

Pulfrich - DiscoveryPulfrich - Discovery

anaglyph micro-anaglyph micro-stereopsisstereopsis – –Nine TV SydneyNine TV Sydney(TrioScopics shown)(TrioScopics shown)

view-view-shift –shift –CBSCBS

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 88

Virtual-Camera S3DVirtual-Camera S3D

Imec above, BBC Research White Paper 180 similarImec above, BBC Research White Paper 180 similar

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 99

The Other StereoThe Other Stereo

Scientific American, Scientific American, December 31, 1881December 31, 1881

A-B Stereo (Spaced A-B Stereo (Spaced Omnis)Omnis)

BIGBIG sensation sensation differencedifference

UnnaturalUnnatural Poor mono Poor mono

compatibilitycompatibility

distance >>human head widthdistance >>human head width

remember “ping-pong” stereo?remember “ping-pong” stereo?

““Binauricular Auduition”Binauricular Auduition”compared to stereoscopecompared to stereoscope

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 1010

““Single-Source” StereoSingle-Source” Stereo

X-Y, M-S, Dummy HeadX-Y, M-S, Dummy Head““coincident stereo” techniquescoincident stereo” techniques

consumer, tooconsumer, too

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 1111

Narrow-Separation ListeningNarrow-Separation Listening

EmbracingSoundEmbracingSoundspeaker systemspeaker system

common professional Wohler stereo monitoringcommon professional Wohler stereo monitoring

Philips HTS7140 3D Blu-ray homePhilips HTS7140 3D Blu-ray hometheatre with surround-sound bartheatre with surround-sound bar

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 1212

Cue SignificanceCue Significance

S. Nagata, 1991S. Nagata, 1991 J. Cutting & P. Vishton, 1995J. Cutting & P. Vishton, 1995

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 1313

Visual StereoacuityVisual Stereoacuity

““Stereoacuity at Distance and Near,” Wong, Woods, & PeliStereoacuity at Distance and Near,” Wong, Woods, & Pelihttp://www.eri.harvard.edu/faculty/peli/posters/optometry/AAO2000_poster.pdf

Binocular Vision and Stereopsis, Binocular Vision and Stereopsis, Howard & Rogers, 1996Howard & Rogers, 1996

10 arcsecond stereoacuity ~10 arcsecond stereoacuity ~1/6 of a pixel at “optimum” 1/6 of a pixel at “optimum” (6/6, 20/20) viewing angle(6/6, 20/20) viewing angle

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 1414

Limited StereopsisLimited Stereopsis

reference: Canon XJ22x7.3reference: Canon XJ22x7.3compact studio lenscompact studio lens165 mm wide box165 mm wide box

Canon 3D lens,Canon 3D lens,shown on XL1shown on XL1DXG-321DXG-321

much much narrower thannarrower thanpupillary distancepupillary distance

Sharp 3D moduleSharp 3D moduleHammacher-Hammacher-SchlemmerSchlemmer

Panasonic VW-CLT1Panasonic VW-CLT13D conversion lens3D conversion lens(outer width 58 mm)(outer width 58 mm)

lens adaptorlens adaptor

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 1515

MicrostereopsisMicrostereopsis

CES 2009CES 2009no-glassesno-glasses

2D-compatible2D-compatible(no double(no double

images)images)

1979: D.O.T.S. NL1979: D.O.T.S. NL(Beiser US;(Beiser US;

1970: Songer)1970: Songer)Nine TV SydneyNine TV Sydney

in focus: normalin focus: normal too close: LG, RMtoo close: LG, RM too far: LM, RGtoo far: LM, RG oneone camera camera

ISee3D alternate-shuttered versionISee3D alternate-shuttered version

Sony TechnologyDevelopment Group

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 1616

Successfully broadcastSuccessfully broadcast Patents have expiredPatents have expired One ordinary lens/position*One ordinary lens/position* Single-camera/position*Single-camera/position* 3D display ok for 2D viewing3D display ok for 2D viewing Ghosting not an issueGhosting not an issue V-A conflict not an issueV-A conflict not an issue* depends somewhat on system* depends somewhat on system

MicrostereopsisMicrostereopsis

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 1717

Successfully broadcastSuccessfully broadcast Patents have expiredPatents have expired One ordinary lens/position*One ordinary lens/position* Single-camera/position*Single-camera/position* 3D display ok for 2D viewing3D display ok for 2D viewing Ghosting not an issueGhosting not an issue V-A conflict not an issueV-A conflict not an issue* depends somewhat on system* depends somewhat on system

MicrostereopsisMicrostereopsis

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 1818

Successfully broadcastSuccessfully broadcast Patents have expiredPatents have expired One ordinary lens/position*One ordinary lens/position* Single-camera/position*Single-camera/position* 3D display ok for 2D viewing3D display ok for 2D viewing Ghosting not an issueGhosting not an issue V-A conflict not an issueV-A conflict not an issue* depends somewhat on system* depends somewhat on system

MicrostereopsisMicrostereopsis

?

Mark Schubin,HPA Tech Retreat, 2011 February 17Mark Schubin,HPA Tech Retreat, 2011 February 17 1919

More at SchubinCafe.comMore at SchubinCafe.comdownload “Some Aspects of 3D in Depth”download “Some Aspects of 3D in Depth”

these slides are posted on the presentations page; the presentation with audio will be on SchubinCafe.com soonthese slides are posted on the presentations page; the presentation with audio will be on SchubinCafe.com soon