Real-Time Color Electronic Holography System with Integral Photography Camera kenji YAMAMOTO This tutorial presents the issues encountered when hologr
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1 Real-Time Color Electronic Holography System with Integral Photography Camera kenji YAMAMOTO This tutorial presents the issues encountered when holography is converted to electronic form and describes a system prototyped to combat those issues. More specifically, this tutorial addresses the issues of hologram data acquisition, the viewing zone angle being narrowed down due to the inadequate resolution of electronic devices that display hologram data, and unnecessary beams causing interruption. It also describes a color electronic holography system prototyped based on a 4K video system. This system is designed so that an integral photography camera is used to take ray information, with the data obtained being used to calculate hologram data. The system is therefore characterized by the fact that it can take real ray information under a natural light without using a laser beam. Key words: electronic holography, hologram, integral photography IP, 3D imaging k.yamamoto@nict.go.jp
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3 2b CCD 1 cm 2 3 CGH; computer-generated hologram CGH CG computer graphics IP IP IP
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![1 f 1R, f 1G, f 1B : L 1R, L 1G, L 1B f 2 : L 2 LCD D R, D G, D B LCD D R, D G, D B 300 [mm] BS 1 BS 2 L 2 1 6 3 N I C T 4 250 mm 3D 2 1 2 1 3D 2 300 [mm] 3840 W 2160 H [pixels] 6.](/docs-images/100/148109110/images/6-0.jpg "8 [mm] 633 [nm], 544 [nm], 475 [nm] 3D 6c 4K 6.8 mm 2 cm 4.0 IP 4K IP 31 2 c 6 a c3d 40 12 2011 1 N. Hashimoto, S. Morikawa and K.")
6 1 f 1R, f 1G, f 1B : L 1R, L 1G, L 1B f 2 : L 2 LCD D R, D G, D B LCD D R, D G, D B 300 [mm] BS 1 BS 2 L N I C T mm 3D D [mm] 3840 W 2160 H [pixels] 6.8 [mm] 633 [nm], 544 [nm], 475 [nm] 3D 6c 4K 6.8 mm 2 cm 4.0 IP 4K IP 31 2 c 6 a c3d N. Hashimoto, S. Morikawa and K. Kitamura: Real-time holography using the highresolution LCTV-SLM, SPIE Pract. Holography, K. Maejima and K. Sato: Development of one-shot color digital holography, SPIE Pract. Holography, U U.8. 3 Y. Awatsuji, K. Ito, Y. Shimozato, T. Kakue, M. Fujii, T. Tahara, K. Nishio, S. Ura, T. Kubota and O. Matoba: frames-persecond phase-shifting digital holography, OSA Digital Holography and Three-Dimensional Imaging p. DMA6. 4 T. Ito, N. Masuda, K. Yoshimura, A. Shiraki, T. Shimobaba and T. Sugie: Specialpurpose computer HORN-5 for a realtime electroholography, Opt. Express, S. Matsuda, T. Fujii, T. Yamaguchi and H. Yoshikawa: Fast generation of computergenerated hologram by graphics processing unit, SPIE Pract. Holography, I I R. P. Mu oletto, J. M. Tyler and J. E. Tohline: Shifted Fresnel di raction for computational holography, Opt. Express, K. Matsushima: Computer-generated holograms for threedimensional surface objects with shade and texture, Appl. Opt., K. Matsushima and S. Nakahara: Extremely high-definition full
7 parallax computergenerated hologram created by the polygonbased method, Appl. Opt., H54 H63. 9 K. Wakunami and M. Yamaguchi: Calculation of computergenerated hologram for 3D display using light-ray sampling plane, SPIE Pract. Holography, A. 10 K. Yamamoto, T. Senoh, R. Oi, T. Mishina and T. Kurita: Hologram generation using rendering in computer graphics and wave propagation, International Conference on 3D Systems and Applications pp K. Yamaguchi, T. Ichikawa and Y. Sakamoto: Calculation method for cgh considering smooth shading with polygon models, SPIE Pract. Holography, M. Kinoshita and Y. Sakamoto: Computer-generated holograms at an arbitrary viewpoint synthesized from multi-view images, SPIE Pract. Holography, Z Z K. Yamamoto, R. Oi, T. Senoh, Y. Ichihashi and T. Kurita: Holographic stereogram using camera array in dense arrangement, SPIE Pract. Holography, R. V. Pole: 3-D imagery and holograms of objects illuminated in white light, Appl. Phys. Lett., M. O. T. Mishina and F. Okano: Calculation of holograms from elemental images captured by integral photography, Appl. Opt., K. Yamamoto, R. Oi, T. Mishina and M. Okui: Half-zone-plate processing for objects on both sides of hologram display, SPIE Pract. Holography, Q. 19 O. Bryngdahl and A. Lohmann: Single-sideband holography, J. Opt. Soc. Am, Y. Hayashi and Y. Takaki: Horizontal resolution enhanced hologram to increase horizontal viewing angle, SPIE Pract. Holography, I. 21 H. Kang, N. Ohmura, T. Yamaguchi, H. Yoshikawa, S.-C. Kim and E.-S. Kim: Method to enlarge the hologram viewing window using a mirror module, Opt. Eng., T. Mishina, F. Okano and I. Yuyama: Time-alternating method based on singlesideband holography with half-zone-plate processing for the enlargement of viewing zones, Appl. Opt., T. Senoh, T. Mishina, K. Yamamoto, R. Oi, Y. Ichihashi and T. Kurita: Full-color wide viewing-zone-angle electronic holography system, OSA Digital Holography and Three-Dimensional Imaging p. DTuA T. Senoh, T. Mishina, K. Yamamoto, R. Oi and T. Kurita: Wide viewing-zone-angle full-color electronic holography system using very high resolution liquid crystal display panels, SPIE Pract. Holography, K. Yamamoto, T. Mishina, R. Oi, T. Senoh and T. Kurita: Realtime color holography system for live scene using 4K2K video system, SPIE Pract. Holography, K. Yamamoto, T. Mishina, R. Oi, T. Senoh and M. Okui: Crosstalk elimination using an aperture for recording elemental images of integral photography, J. Opt. Soc. Am. A, K. Yamamoto, T. Mishina and M. Okui: Calibration of elemental images in integral photography capture for electronic holography, OSA Digital Holography and Three- Dimensional Imaging p. DWA4. 31 Y. Ichihashi, R. Oi, T. Senoh, K. Yamamoto and T. Kurita: Methods for generating 8k holograms from 4k integral photography images, 3rd International Conference on 3D Systems and Applications 2011 pp. S
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3-3 Viewing-Zone-Angle Expansion of Electronic Holography Reconstruction System SENOH Takanori, MISHINA Tomoyuki, YAMAMOTO Kenji, OI Ryutaro, and KURITA Taiichiro Electronic holography system records and
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