Sa2012 2x3d-for web

Dec 8, 2012Download as PPTX, PDF1 like1,727 views

2x3D: Real time shader for simultaneous 2D/3D hybrid theater It is no longer necessary to screen 2D and 3D movies separately. This project has developed a simultaneous 2D/3D hybrid theater and its real time shader for image hiding. If theaters were able to show 2D and 3D film simultaneously while giving the audience the ability to choose, this would not only benefit cinemas, but audiences who prefer 2D and 3D film as well. In this project, 2x3D concealment processing is performed using a pixel shader to support the hiding of dynamic motion pictures in real time. In this way, multiplex-hidden images are possible with multiple videos in real-time and stereoscopic 3D can be achieved. A stereoscopic 3D left-eye image is shown as the 2D image for viewing with the naked eye while the right-eye image can be seen through a polarized filter. In this way, the 2x3D method does not require any electronic devices such as active shutter glasses, and reduces the number of required screens and the cost of glasses overall. Not only is this 2D/3D hybrid theater cost-effective for cinemas, it can provide a universal design that accounts for the hazards posed by stereoscopic 3D glasses for children, the stereo blind, and people whose eyes fatigue easily. In stereoscopic 3D, contrast is equally distributed between the left and right images (at 50% each), however, it is also possible to constrict the contrast of the hidden image by passing a mixture ratio to the GPU as a parameter. Using this technique, it is also possible to implement closed captioning or commentary overlay. In the future, greater image quality can be achieved using the wide range color spaces of HDR projectors and optical configuration. 2x3D is a unique solution for improving the current 3D cinema industry for various users of the next generation. http://www.siggraph.org/asia2012/emergin-technologies-detail?id=100-868&session=etech&event=200-742

[Web version]
Please visit this URL to give your feedback:
http://www.shirai.la/project/scritter

2x3D: Real time shader for
simultaneous 2D/3D hybrid theater

Wataru FUJIMURA, Yukua KOIDE,
Robert SONGER (Kanazawa Technical College),
Takahiro HAYAKAWA, Akihiko SHIRAI, Kazuhisa YANAKA

KAIT(Kanagawa Institute of Technology)
2x3d@shirai.la

Summary of this talk

? “2x3D” (tú: bái θrí: dí:) is a new 2D/3D hybrid display

? Everyone can see a same screen at same time!

Issues
Technical Issue

Current 3D stereoscopic imagery can not be seen without
the 3D glasses, and it is due to the doubled image shown.

Issues
Social/Market Issue:
We can not see a same screen in same time!

Technique

? ScritterH, the 2nd generation of multiplex imaging

? Image hiding algorithm

? GPU based real time shader

? Experiments

Related works:
– multiplex / hidden imagery
? Direction based separation
– “Bois-Clair” (Gaspar Antoine, 1692)
– “Vari-Vue” (Victor Anderson, 1962)
– “Lumisight Table”(2005), ”UlteriorScape” (2008) by Kakehi
? Time/Shutter based technologies
– “Snared illumination” (fakespace lab, 2004)
– “ThirdEye” (Pranav Mistry, 2009)
– “SimulView” (SONY, 2010-)
? Polarization based technologies
– “FaryFinder” (Hachiya, 2005)
– “Mysterious Pond”, “A visibility control system for collaborative
digital table” (Kitamura, Sakurai. 2009)
? Hidden but not shown for naked eyes
– Patent: JPA2005-092227 (Semiconductor Energy Lab, 2005)
(All images are taken from each references)

“Scritter H” Hidden imagery
? ScritterH is 2nd generation of Scritter series, a hidden imagery
method that invented by Utsugi, Shirai and Yanaka in 2010.
? It has compatibility with current S3D polarized projection.
– Common hardware setup with similar stacking S3D.
– No electronic devices needed for the viewer’s side.

ScritterH, image hiding algorithm

Contrast
Source Images NegativeB’+A’
compression
Image A Image A’ Image C

Polarization
Image B Image B’
Projector
1

Projector
2

ScritterH, image hiding algorithm

Image C

Naked eyes / filtered view

Gamma correction

Normalized positive + negative With gamma correction:
projection The center band looks for a same color.

ScritterH algorithm

? See more details on ACM Portal
– “ScritterHDR: multiplex-hidden imaging on high dynamic range projection”
– “A new "multiplex content" displaying system compatible with current 3D
projection technology”

GPU based real time shader
? Pixelshader on XNA GameStudio 4.0

Dynamic ScritterH
algorithm

Inversed Gamma correction

Experiments
? For better quality of imagery for various viewers
? Cognitive experiments
– Tested on a still image to cancel “the Pulfrich Illusion”

Depth are …
● :4
■ :3
?:1
▲:2

? 75% of viewers could
answered the correct depth.

Applications

? Closed captioning or commentary overlay
? Education
? Medical

[Latest works]
? KARAOKE
? UbiCode
– Interactivity for non interactive display
? 3rd generation of Scritter

Example: PARAOKE
? “Parallel Augmented Reality for Audience-
Oriented Karaoke Entertainment”
? Lyrics + Dance game + Calorie consumption display
– Published in Laval Virtual ReVolution, NICOGRAPH 2012

Ａ
ＣＢ

Conclusion
? “2x3D” is a new 2D/3D hybrid display

? Everyone can see a same screen at same time!

International Patent is Pending, contact: 2x3d@shirai.la http://www.shirai.la/project/scritter

Thanks for your interest
Please visit this URL to give your feedback:
http://www.shirai.la/project/scritter

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2x3D: Real-Time Shader for Simultaneous 2D/3D Hybrid Theater Wataru FUJIMURA, Yukua KOIDE, Robert SONGER, Takahiro HAYAKAWA, Akihiko SHIRAI, Kazuhisa YANAKA Kanagawa Institute of Technology --- 2x3D is a simultaneous 2D/3D hybrid theater and its real-time shader for image hiding. In this project, 2x3D concealment pro-cessing is performed using a pixel shader to support the hiding of dynamic motion pictures in real time. In this way, multiplex-hidden images are possible with multiple videos in real-time and stereo-scopic 3D can be achieved. 2x3D method does not require any electronic devices such as active shutter glasses for viewers’ side, and it reduces the number of required screens and cost of glasses overall. As an experiment, a stereoscopic 3D left-eye image is shown as the 2D image for viewing with the naked eye while the right-eye image can be seen through a polarized filter. In this way, audience members can experience a stereoscopic effect by placing a filter over the right eye only. A difference in brightness exists between the two images, but this is not a problem for depth per-ception as in the anaglyph method. Not only is this 2D/3D hybrid theater cost-effective for cinemas, it can provide a universal design that accounts for the hazards posed by stereoscopic 3D glasses for children, the stereo blind, and people whose eyes fatigue easily or who already wear glasses.

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Sa2012 2x3d-for web

1. [Web version] Please visit this URL to give your feedback: http://www.shirai.la/project/scritter

2. 2x3D: Real time shader for simultaneous 2D/3D hybrid theater Wataru FUJIMURA, Yukua KOIDE, Robert SONGER (Kanazawa Technical College), Takahiro HAYAKAWA, Akihiko SHIRAI, Kazuhisa YANAKA KAIT(Kanagawa Institute of Technology) 2x3d@shirai.la

3. Summary of this talk ? “2x3D” (tú: bái θrí: dí:) is a new 2D/3D hybrid display ? Everyone can see a same screen at same time!

4. Issues Technical Issue Current 3D stereoscopic imagery can not be seen without the 3D glasses, and it is due to the doubled image shown.

5. Issues Social/Market Issue: We can not see a same screen in same time!

6. Solution

7. Technique ? ScritterH, the 2nd generation of multiplex imaging ? Image hiding algorithm ? GPU based real time shader ? Experiments

8. Related works: – multiplex / hidden imagery ? Direction based separation – “Bois-Clair” (Gaspar Antoine, 1692) – “Vari-Vue” (Victor Anderson, 1962) – “Lumisight Table”(2005), ”UlteriorScape” (2008) by Kakehi ? Time/Shutter based technologies – “Snared illumination” (fakespace lab, 2004) – “ThirdEye” (Pranav Mistry, 2009) – “SimulView” (SONY, 2010-) ? Polarization based technologies – “FaryFinder” (Hachiya, 2005) – “Mysterious Pond”, “A visibility control system for collaborative digital table” (Kitamura, Sakurai. 2009) ? Hidden but not shown for naked eyes – Patent: JPA2005-092227 (Semiconductor Energy Lab, 2005) (All images are taken from each references)

9. “Scritter H” Hidden imagery ? ScritterH is 2nd generation of Scritter series, a hidden imagery method that invented by Utsugi, Shirai and Yanaka in 2010. ? It has compatibility with current S3D polarized projection. – Common hardware setup with similar stacking S3D. – No electronic devices needed for the viewer’s side.

10. ScritterH, image hiding algorithm Contrast Source Images NegativeB’+A’ compression Image A Image A’ Image C Polarization Image B Image B’ Projector 1 Projector 2

11. ScritterH, image hiding algorithm Image C Naked eyes / filtered view

12. Gamma correction Normalized positive + negative With gamma correction: projection The center band looks for a same color.

13. ScritterH algorithm ? See more details on ACM Portal – “ScritterHDR: multiplex-hidden imaging on high dynamic range projection” – “A new "multiplex content" displaying system compatible with current 3D projection technology”

14. GPU based real time shader ? Pixelshader on XNA GameStudio 4.0 Dynamic ScritterH algorithm Inversed Gamma correction

15. 2x3D configuration

16. Experiments ? For better quality of imagery for various viewers ? Cognitive experiments – Tested on a still image to cancel “the Pulfrich Illusion” Depth are … ● :4 ■ :3 ?:1 ▲:2 ? 75% of viewers could answered the correct depth.

17. Applications ? Closed captioning or commentary overlay ? Education ? Medical [Latest works] ? KARAOKE ? UbiCode – Interactivity for non interactive display ? 3rd generation of Scritter

18. Example: PARAOKE ? “Parallel Augmented Reality for Audience- Oriented Karaoke Entertainment” ? Lyrics + Dance game + Calorie consumption display – Published in Laval Virtual ReVolution, NICOGRAPH 2012 ＡＣＢ

19. Conclusion ? “2x3D” is a new 2D/3D hybrid display ? Everyone can see a same screen at same time! International Patent is Pending, contact: 2x3d@shirai.la http://www.shirai.la/project/scritter

20. Thanks for your interest Please visit this URL to give your feedback: http://www.shirai.la/project/scritter

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Sa2012 2x3d-for web

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