Abstract

We propose a compact head-worn 3D display which provides glasses-free full motion parallax. Two picoprojectors placed on the viewer’s head project images on a retro-reflective screen that reflects left and right images to the appropriate eyes of the viewer. The properties of different retro-reflective screen materials have been investigated, and the key parameters of the projection – brightness and cross-talk – have been calculated. A demonstration system comprising two projectors, a screen tracking system and a commercial retro-reflective screen has been developed to test the visual quality of the proposed approach.

© 2014 Optical Society of America

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References

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  1. C. Matt, “Real D 3D Theatrical System,” European Digital Cinema Forum, Retrieved 2009–03–28. http://www.edcf.net/edcf_docs/real-d.pdf
  2. K. E. Jachimowicz and R. S. Gold, “Stereoscopic (3D) projection display using polarized color multiplexing,” Opt. Eng. 29(32), 838–842 (1990).
  3. Y. H. Tao, Q. H. Wang, J. Gu, W. X. Zhao, and D. H. Li, “Autostereoscopic three-dimensional projector based on two parallax barriers,” Opt. Lett. 34(20), 3220–3222 (2009).
    [CrossRef] [PubMed]
  4. Y. Takaki and N. Nago, “Multi-projection of lenticular displays to construct a 256-view super multi-view display,” Opt. Express 18(9), 8824–8835 (2010), http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-18-9-8824 .
    [CrossRef] [PubMed]
  5. T. Balogh, P. Kovacs, and A. Barsi, “Holovizio 3D display system,” in 3DTV Conf., pp. 1–4. (2007).
    [CrossRef]
  6. H. Hua, A. Girardot, C. Gao, and J. P. Rolland, “Engineering of head-mounted projective displays,” Appl. Opt. 39(22), 3814–3824 (2000).
    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
  8. O. Eldes, K. Akşit, and H. Urey, “Multi-view autostereoscopic projection display using rotating screen,” Opt. Express 21(23), 29043–29054 (2013).
    [CrossRef] [PubMed]
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  10. Á. Kerekes, W. Lőrincz, P. S. Ramanujam, and S. Hvilsted, “Light scattering of thin azobenzene side-chain polyester layer,” Opt. Commun. 206(1), 57–65 (2002).
    [CrossRef]
  11. N. A. Dodgson, “Variation and extrema of human interpupillary distance,” Proc. SPIE 5291, 36–46 (2004).
    [CrossRef]
  12. F. Kooi and A. Toet, “Visual comfort of binocular and 3D displays,” Displays 25(2–3), 99–108 (2004).
    [CrossRef]
  13. W. J. Smith, Modern Optical Engineering, (McGraw-Hill, 2000), Chap. 8.
  14. STMicro Press Release, (2011) http://www.st.com/web/en/press/en/t3130 .
  15. Support and community documentation for Ogre3D, http://www.ogre3d.org/tikiwiki/MOGRE .

2013

2010

2009

2007

2004

N. A. Dodgson, “Variation and extrema of human interpupillary distance,” Proc. SPIE 5291, 36–46 (2004).
[CrossRef]

F. Kooi and A. Toet, “Visual comfort of binocular and 3D displays,” Displays 25(2–3), 99–108 (2004).
[CrossRef]

2002

Á. Kerekes, W. Lőrincz, P. S. Ramanujam, and S. Hvilsted, “Light scattering of thin azobenzene side-chain polyester layer,” Opt. Commun. 206(1), 57–65 (2002).
[CrossRef]

2000

1990

K. E. Jachimowicz and R. S. Gold, “Stereoscopic (3D) projection display using polarized color multiplexing,” Opt. Eng. 29(32), 838–842 (1990).

Aksit, K.

Dodgson, N. A.

N. A. Dodgson, “Variation and extrema of human interpupillary distance,” Proc. SPIE 5291, 36–46 (2004).
[CrossRef]

Eldes, O.

Gao, C.

Girardot, A.

Gold, R. S.

K. E. Jachimowicz and R. S. Gold, “Stereoscopic (3D) projection display using polarized color multiplexing,” Opt. Eng. 29(32), 838–842 (1990).

Gu, J.

Ha, Y.

Hua, H.

Hvilsted, S.

Á. Kerekes, W. Lőrincz, P. S. Ramanujam, and S. Hvilsted, “Light scattering of thin azobenzene side-chain polyester layer,” Opt. Commun. 206(1), 57–65 (2002).
[CrossRef]

Jachimowicz, K. E.

K. E. Jachimowicz and R. S. Gold, “Stereoscopic (3D) projection display using polarized color multiplexing,” Opt. Eng. 29(32), 838–842 (1990).

Kerekes, Á.

Á. Kerekes, W. Lőrincz, P. S. Ramanujam, and S. Hvilsted, “Light scattering of thin azobenzene side-chain polyester layer,” Opt. Commun. 206(1), 57–65 (2002).
[CrossRef]

Kooi, F.

F. Kooi and A. Toet, “Visual comfort of binocular and 3D displays,” Displays 25(2–3), 99–108 (2004).
[CrossRef]

Li, D. H.

Lorincz, W.

Á. Kerekes, W. Lőrincz, P. S. Ramanujam, and S. Hvilsted, “Light scattering of thin azobenzene side-chain polyester layer,” Opt. Commun. 206(1), 57–65 (2002).
[CrossRef]

Martins, R.

Nago, N.

Ramanujam, P. S.

Á. Kerekes, W. Lőrincz, P. S. Ramanujam, and S. Hvilsted, “Light scattering of thin azobenzene side-chain polyester layer,” Opt. Commun. 206(1), 57–65 (2002).
[CrossRef]

Rolland, J. P.

Shaoulov, V.

Takaki, Y.

Tao, Y. H.

Toet, A.

F. Kooi and A. Toet, “Visual comfort of binocular and 3D displays,” Displays 25(2–3), 99–108 (2004).
[CrossRef]

Urey, H.

Wang, Q. H.

Zhao, W. X.

Appl. Opt.

Displays

F. Kooi and A. Toet, “Visual comfort of binocular and 3D displays,” Displays 25(2–3), 99–108 (2004).
[CrossRef]

Opt. Commun.

Á. Kerekes, W. Lőrincz, P. S. Ramanujam, and S. Hvilsted, “Light scattering of thin azobenzene side-chain polyester layer,” Opt. Commun. 206(1), 57–65 (2002).
[CrossRef]

Opt. Eng.

K. E. Jachimowicz and R. S. Gold, “Stereoscopic (3D) projection display using polarized color multiplexing,” Opt. Eng. 29(32), 838–842 (1990).

Opt. Express

Opt. Lett.

Proc. SPIE

N. A. Dodgson, “Variation and extrema of human interpupillary distance,” Proc. SPIE 5291, 36–46 (2004).
[CrossRef]

Other

T. Balogh, P. Kovacs, and A. Barsi, “Holovizio 3D display system,” in 3DTV Conf., pp. 1–4. (2007).
[CrossRef]

D. A. Stanton, “Head-mounted projection display system,” US Patent App. 2003/0179157 (2003)

W. J. Smith, Modern Optical Engineering, (McGraw-Hill, 2000), Chap. 8.

STMicro Press Release, (2011) http://www.st.com/web/en/press/en/t3130 .

Support and community documentation for Ogre3D, http://www.ogre3d.org/tikiwiki/MOGRE .

C. Matt, “Real D 3D Theatrical System,” European Digital Cinema Forum, Retrieved 2009–03–28. http://www.edcf.net/edcf_docs/real-d.pdf

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Figures (6)

Fig. 1
Fig. 1

Schematic diagram of the mobile 3D setup where (1) and (2) are the picoprojectors, (3) is the projected image of the right eye projector, (4) is the projected image of the left eye projector, (5) is the retro-reflective screen and (6) is the screen tracking sensor.

Fig. 2
Fig. 2

Schematic diagram of measurement setup (a), and typical angular distribution of retro-reflected light (b) with and without spatial averaging.

Fig. 3
Fig. 3

(a) Scattering angles of the eyes to the projector, (b) the scattering angles of the two eyes at a given screen-viewer distance marked on the angular scattering profile on a schematic drawing.

Fig. 4
Fig. 4

Cross-talk with respect to the distance of the screen and the viewer.

Fig. 5
Fig. 5

Screen brightness seen by the eyes as a function of the screen-viewer distance.

Fig. 6
Fig. 6

Demonstration system comprising two nanoprojectors (1),(2), two mirrors (5), a screen tracing sensor made of a webcam and LEDs (6) on a helmet (7) where the windows for the viewer’s right and left eyes just below the mirrors are marked by (3) and (4) respectively.

Equations (3)

Equations on this page are rendered with MathJax. Learn more.

φ closer =arctan( d closer D )
φ further =arccos( D 2 ( d eyes 2 + D 2 )( d closer 2 + D 2 ) )
B= m(φ) R 2 TP L γ 1 D 2

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