Publication & Awards
Journal paper

2022

  • Daiki Yasuki, Tomoyoshi Shimobaba, Michal Makowski, Jaroslaw Suszek, Maciej Sypek, Takashi Kakue, Tomoyoshi Ito, "Real-valued layer-based hologram calculation", Optics Express, 30, 5, 7821-7830 (Feb. 2022)
  • Yoshiyuki Ishii, Tomoyoshi Shimobaba, David Blinder, Tobias Birnbaum, Peter Schelkens, Takashi Kakue, and Tomoyoshi Ito, "Optimization of phase-only holograms calculated with scaled diffraction calculation through deep neural networks[Invited]", Applied Physics B, 128, 22 (Jan. 2022)

2021

  • Tomoyoshi Shimobaba, Tatsuki Tahara, Ikuo Hoshi, Harutaka Shiomi, Fan Wang, Takayuki Hara, Takashi Kakue, Tomoyoshi Ito, "Real-valued diffraction calculations for computational holography [Invited]", Applied Optics, 61, 5, B96-B102 (Nov. 2021)
  • Takashi Kakue, Tomoyoshi Inoue, Tomoyoshi Shimobaba, Tomoyoshi Ito, Yasuhiro Awatsuji, "FFT-based simulation of hologram-recording process for light-in-flight recording by holography", Journal of the Optical Society of America A, 39, 2, A7-A14 (Nov. 2021)
  • Fan Wang, Tomoyoshi Shimobaba, Yaping Zhang, Takashi Kakue, Tomoyoshi Ito, "Acceleration of polygon-based computer-generated holograms using look-up tables and reduction of the table size via principal component analysis", Optics Express, 29, 22, 35442-35455 (Oct. 2021)
  • Daiki Yasuki, Tomoyoshi Shimobaba, Michal Makowski, Jaroslaw Suszek, Takashi Kakue, Tomoyoshi Ito, "Hologram computation using the radial point spread function", Applied Optics, 60, 28, 8829-8837 (Sep. 2021)
  • Takayuki Takahashi, Tomoyoshi Shimobaba, Takashi Kakue, Tomoyoshi Ito, "Time-division holographic projection in large size using a digital micromirror device" Applied Science, 11, 14, 6277 (Jul. 2021)
  • Ikuo Hoshi, Tomoyoshi Shimobaba, Takashi Kakue, Tomoyoshi Ito, "Optimized binary patterns by gradient descent for ghost imaging", IEEE Access, 9, 97320-97326 (Jul. 2021)
  • Tomoyoshi Shimobaba, Shuhei Katsuyama, Takashi Nishitsuji, Ikuo Hoshi, Harutaka Shiomi, Fan Wang, Takashi Kakue, Naoki Takada, Tomoyoshi Ito, "Motion parallax holograms generated from an existing hologram", Applied Science, 11, 7, 2933 (Mar. 2021)
  • Mikito Takenaka, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Interactive holographic display for real-time drawing and erasing of 3D point-cloud images with a fingertip", IEEE Access, 9, 36766-36774 (Mar. 2021)
  • Takashi Kakue, Naoki Takada, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Hologram generation of light-in-flight recording by holography applying the 2D-FDTD method to simulate the behavior of ultrashort pulsed light", OSA Continuum, 4, 2, 437-454 (Jan. 2021)

2020

  • Yota Yamamoto, Tomoyoshi Shimobaba, Hirotaka Nakayama, Takashi Kakue, Nobuyuki Masuda, Tomoyoshi Ito, "System-on-a-chip-based special-purpose computer for phase electroholography", OSA Continuum, 3, 12, 3407-3415 (Dec. 2020)
  • Ikuo Hoshi, Tomoyoshi Shimobaba, Takashi Kakue, Tomoyoshi Ito, "Single-pixel imaging using a recurrent neural network combined with convolutional layers" , Optics Express, 28, 23, 34069-34078 (Nov. 2020)
  • Daiki Yasuki, David Blinder, Tomoyoshi Shimobaba, Yota Yamamoto, Ikuo Hoshi, Peter Schelkens, Takashi Kakue, Tomoyoshi Ito, "Dedicated processor for hologram calculation using sparse Fourier bases", Applied Optics, 59, 26, 8029-8037 (Sep. 2020)
  • Harutaka Shiomi, Tomoyoshi Shimobaba, Takashi Kakue, and Tomoyoshi Ito, "Lossless compression using the Ramanujan sums: application to hologram compression", IEEE Access, 8, 144453-144457 (Aug. 2020)
  • Tomoyoshi Shimobaba, Takashi Kakue, Yota Yamamoto, Ikuo Hoshi, Harutaka Shiomi, Takashi Nishitsuji, Naoki Takada, Tomoyoshi Ito, "Hologram generation via Hilbert transform", OSA Continuum, 3, 6, 1498-1503 (May 2020)
  • Hidenari Yanagihara, Tomoyoshi Shimobaba, Takashi Kakue, Tomoyoshi Ito, "Image quality improvement of holographic 3-D images based on a wavefront recording plane method with a limiting diffraction region", Optics Express, 28, 12, 17853-17867 (May 2020)
  • Yota Yamamoto, Shintaro Namba, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, Nobuyuki Masuda, "Special-purpose computer for digital holographic high-speed three-dimensional imaging", Optical Engineering, 59, 5, 054105 (May 2020)
  • Takayuki Hara, Tatsuki Tahara, Yasuyuki Ichihashi, Ryutaro Oi, Tomoyoshi Ito, "Multiwavelength-multiplexed phase-shifting incoherent color digital holography", Optics Express, 28, 7, 10078-10089 (Mar. 2020)
  • Hidenari Yanagihara, Tomoyoshi Shimobaba, Takashi Kakue, Tomoyoshi Ito, "Comparison of wavefront recording plane-based hologram calculations: ray-tracing method versus look-up table method", Applied Optics, 59, 8, 2400-2408 (Mar. 2020)
  • Tomoyoshi Shimobaba, Takayuki Takahashi, Yota Yamamoto, Ikuo Hoshi, Atsushi Shiraki, Takashi Kakue, Tomoyoshi Ito, "Simple complex amplitude encoding of a phase-only hologram using binarized amplitude", Journal of Optics, 22, 4, 045703 (Mar. 2020)
  • Hiroshi Amano, Yasuyuki Ichihashi, Takashi Kakue, Koki Wakunami, Hiroshi Hashimoto, Rintaro Miura, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Reconstruction of a three-dimensional color-video of a point-cloud object using the projection-type holographic display with a holographic optical element", Optics Express, 28, 4, 5692-5705 (Feb. 2020)
  • Tomoyoshi Shimobaba, Michal Makowski, Takayuki Takahashi, Yota Yamamoto, Ikuo Hoshi, Takashi Kakue, Tomoyoshi Ito, "Reducing computational complexity and memory usage of iterative hologram optimization using scaled diffraction", Applied Sciences, 10, 3, 1132 (Feb. 2020)
  • Yoshiya Wagatsuma, Tomoyoshi Shimobaba, Yota Yamamoto, Ikuo Hoshi, Takashi Kakue, Tomoyoshi Ito, "Phase retrieval using axial diffraction patterns and a ptychographic iterative engine", Applied Optics, 59, 2, 354-362 (Jan. 2020)

2019

  • Ryuji Hirayama, Hirotaka Nakayama, Atushi Shiraki, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Projection of multiple directional images on a volume structure with refractive surfaces", Optics Express, 27, 20, 27637-27648 (Sep. 2019)
  • Tomoyoshi Shimobaba, David Blinder, Michal Makowski, Peter Schelkens, Yota Yamamoto, Ikuo Hoshi, Takashi Nishitsuji, Yutaka Endo, Takashi Kakue, Tomoyoshi Ito, "Dynamic range compression scheme for digital hologram using a deep neural network", Optics Letters, 44, 12, 3038-3041 (June 2019)
  • Hidenari Yanagihara, Takashi Kakue, Yota Yamamoto, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Real-time three-dimensional video reconstruction of real scenes with deep depth using electro-holographic display system", Optics Express, 27, 11, 15662-15678 (May 2019)
  • Satoki Hasegawa, Hidenari Yanagihara, Yota Yamamoto, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Electroholography of real scenes by RGB-D camera and the downsampling method", OSA Continuum, 2, 5, 1629-1638 (Apr. 2019)
  • Yota Yamamoto, Nobuyuki Masuda, Ryuji Hirayama, Hirotaka Nakayama, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Special-purpose computer for electroholography in embedded systems", OSA Continuum, 2, 4, 1166-1173 (Mar. 2019)
  • Ikuo Hoshi, Tomoyoshi Shimobaba, Takashi Kakue, Tomoyoshi Ito, "Computational ghost imaging using a field programmable gate array", OSA Continuum, 2, 4, 1097-1105 (Mar. 2019)
  • Yuki Nagahama, Tomoyoshi Shimobaba, Takashi Kakue, Yasuhiro Takaki, Tomoyoshi Ito, "Image quality improvement of random phase-free holograms by addressing the cause of ringing artifacts" Applied Optics, 58, 9, 2146-2151 (Mar. 2019)
  • Shota Yamada, Tomoyoshi Shimobaba, Takashi Kakue, Tomoyoshi Ito, "Full-color computer-generated hologram using wavelet transform and color space conversion", Optics Express, 27, 6, 8153-8167 (Mar. 2019)
  • Tomoyoshi Shimobaba, Takayuki Takahashi, Yota Yamamoto, Yutaka Endo, Atsushi Shiraki, Takashi Nishitsuji, Naoto Hoshikawa, Takashi Kakue, Tomoyosh Ito, "Digital holographic particle volume reconstruction using a deep neural network", Applied Optics, 58, 8, 1900-1906 (Mar. 2019)

2018

  • Yota Yamamoto, Hirotaka Nakayama, Naoki Takada, Takashi Nishitsuji, Takashige Sugie, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Large-scale electroholography by HORN-8 from point-cloud model with 400,000 points", Optics Express, 26, 26, 34259-34265 (Dec. 2018)
  • Tomoyoshi Shimobaba, Takayuki Takahashi, Yota Yamamoto, Takashi Nishitsuji, Atushi Shiraki, Takashi Kakue, Tomoyoshi Ito, "Efficient diffraction calculations using implicit convolution", OSA Continuum, 1, 2, 642-650 (Oct. 2018)
  • Takashi Kakue, Yoshiya Wagatsuma, Shota Yamada, Yutaka Endo, Yuki Nagahama, Ryuji Hirayama, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Review of real-time reconstruction techniques for aerial-projection holographic displays", Optical Engineering, 57, 6, 061621 (May 2018)
  • Takashige Sugie, Takanori Akamatsu, Takashi Nishitsuji, Ryuji Hirayama, Nobuyuki Masuda, Hirotaka Nakayama, Yasuyuki Ichihashi, Atsushi Shiraki, Minoru Oikawa, Naoki Takada, Yutaka Endo, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, "High-performance parallel computing for next-generation holographic imaging", Nature Electronics, 1, 4, 254-259 (Apr. 2018)
  • Tomoyoshi Shimobaba, Yutaka Endo, Takashi Nishitsuji, Takayuki Takahashi, Yuki Nagahama, Satoki Hasegawa, Marie Sano, Ryuji Hirayama, Takashi Kakue, Atsushi Shiraki, Tomoyoshi Ito, "Computational ghost imaging using deep learning", Optics Communications, 413, 147-151 (Apr. 2018)
  • Tomoyoshi Shimobaba, Kyoji Matsushima, Takayuki Takahashi, Yuki Nagahama, Satoki Hasegawa, Marie Sano, Ryuji Hirayama, Takashi Kakue, Tomoyoshi Ito, "Fast, large-scale hologram calculation in wavelet domain", Optics Communications, 412, 80-84 (Apr. 2018)
  • Shota Yamada, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Interactive holographic display based on finger gestures", Scientific Reports, 8, 1, Article number: 2010 (2018), 1-7, (Jan. 2018)
  • Hirochika Sato, Takashi Kakue, Yasuyuki Ichihashi, Yutaka Endo, Koki Wakunami, Ryutaro Oi, Kenji Yamamoto, Hirotaka Nakayama, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Real-time colour hologram generation based on ray-sampling plane with multi-GPU acceleration", Scientific Reports, 8, 1, Article number:1500 (2018), 1-10, (Jan. 2018)

2017

  • Tomoyoshi Shimobaba, Naoki Kuwata, Mizuha Homma, Takayuki Takahashi, Yuki Nagahama, Marie Sano, Satoki Hasegawa, Ryuji Hirayama, Takashi Kakue, Atsushi Shiraki, Naoki Takada, Tomoyoshi Ito, "Convolutional neural network-based data page classification for holographic memory", Applied Optics, 56, 26, 7327-7330 (Sep. 2017)
  • Takashi Kakue, Yutaka Endo, Takashi Nishitsuji, Tomoyoshi Shimobaba, Nobuyuki Masuda, Tomoyoshi Ito, "Digital holographic high-speed 3D imaging for the vibrometry of fast-occurring phenomena", Scientific Reports, 7, 10413 (Sep. 2017)
  • Ryuji Hirayama, Atsushi Shiraki, Hirotaka Nakayama, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Light-emitting diode array system for a volumetric display exhibiting multiple full-color dynamic images", Optics Engineering, 56, 073108 (July 25, 2017)
  • Ryuji Hirayama, Atsushi Shiraki, Hirotaka Nakayama, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Operating scheme for the light-emitting diode array of a volumetric display that exhibits multiple full-color dynamic images", Optical Engineering, 56, 7, 073108, (July 2017)
  • Daisuke Arai, Tomoyoshi Shimobaba, Takashi Nishitsuji, Takashi Kakue, Nobuyuki Masuda, Tomoyoshi Ito, "An accelerated hologram calculation using the wavefront recording plane method and wavelet transform" Optics Communications, 393, 15, 107-112 (June 2017)
  • Ryuji Hirayama, Tomotaka Suzuki, Tomoyoshi Shimobaba, Atsushi Shiraki, Makoto Naruse, Hirotaka Nakayama, Takashi Kakue, Tomoyoshi Ito, "Inkjet printing-based volumetric display projecting multiple full-colour 2D patterns", Scientific Reports, 7, 1, 46511, 1-7, (Apr. 2017)
  • Atsushi Neo, Takashi Kakue, Tomoyoshi Shimobaba, Nobuyuki Masuda, Tomoyoshi Ito, "Investigation of super-resolution processing algorithm by target light-intensity search in digital holography", Optics Communications, 389, 85-91 (Apr. 2017)
  • Yuki Nagahama, Tomoyoshi Shimobaba, Takashi Kakue, Nobuyuki Masuda, Tomoyoshi Ito, "Speeding up of image quality improvement in random phase-free hologram using characteristics of ringing artifact" Applied Optics, 56, 13, F61-F66 (Mar. 2017)
  • Tomoyoshi Shimobaba, Yutaka Endo, Ryuji Hirayama, Yuki Nagahama, Takayuki Takahashi, Takashi Nishitsuji, Takashi Kakue, Atsushi Shiraki, Naoki Takada, Nobuyuki Masuda, Tomoyoshi Ito, "Autoencoder-based holographic image restoration", Applied Optics, 56, 13, F27-F30 (Feb. 2017)
  • Takashi Nishitsuji, Tomoyoshi Shimobaba, Takashi Kakue, Tomoyoshi Ito, "Review on fast calculation techniques for computer-generated holograms of point light source model", IEEE Transactions on Industrial Informatics, 13, 5, 2447-2454 (Feb. 2017)
  • Tomoyoshi Shimobaba, Yutaka Endo, Ryuji Hirayama, Daisuke Hiyama, Yuki Nagahama, Satoki Hasegawa, Marie Sano, Takayuki Takahashi, Takashi Kakue, Minoru Oikawa, Tomoyoshi Ito, "Holographic micro-information hiding", Applied Optics, 56, 4, 833-837 (Jan. 2017)
  • Tomoyoshi Shimobaba, Tomoyoshi Ito, "Fast generation of computer-generated holograms using wavelet shrinkage", Optics Express, 25, 77-87 (Jan. 2017)
  • Naotaka Hasegawa, Tomoyoshi Shimobaba, Takashi Kakue, Tomoyoshi Ito, "Acceleration of hologram generation by optimizing the arrangement of wavefront recording planes", Applied Optics, 56, 1, A97-A103 (2017)

2016

  • Ryuji Hirayama, Atsushi Shiraki, Makoto Naruse, Shinichiro Nakamura, Hirotaka Nakayama, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Optical addressing of multi-colour photochromic material mixture for volumetric display", Scientific Reports, 6, Article number: 31543 (Aug. 2016).
  • Tomoyoshi Shimobaba, Michał Makowski, Yuki Nagahama, Yutaka Endo, Ryuji Hirayama, Daisuke Hiyama, Satoki Hasegawa, Marie Sano, Takashi Kakue, Minoru Oikawa, Takashige Sugie, Naoki Takada, and Tomoyoshi Ito, "Color computer-generated hologram generation using the random phase-free method and color space conversion," Applied Optics 55, 4159-4165 (May 2016).
  • Yutaka Endo, Tomoyoshi Shimobaba, Takashi Kakue, Tomoyoshi Ito, "GPU-accelerated compressive holography", Optics Express, 24, 8437-8445 (Apr. 2016).
  • Ryuji Hirayama, Hirotaka Nakayama, Atsushi Shiraki, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Image quality improvement for a 3D structure exhibiting multiple 2D patterns and its implementation." Optics express 24, 7, 7319-7327 (Mar. 2016).
  • Yuki Nagahama, Tomoyoshi Shimobaba, Tetsuya Kawashima, Takashi Kakue, and Tomoyoshi Ito, "Holographic multi-projection using the random phase-free method," Applied Optics 55, 1118-1123 (Feb. 2016).
  • Takuho Sanpei, Tomoyoshi Shimobaba, Takashi Kakue, Yutaka Endo, Ryuji Hirayama, Daisuke Hiyama, Satoki Hasegawa, Yuki Nagahama, Marie Sano, Minoru Oikawa, Takashige Sugie, Tomoyoshi Ito, "Optical encryption for large-sized images", Optics Communications, 361, 138-145 (Feb. 2016).

2015

  • Hiromitsu Araki, Naoki Takada, Hiroaki Niwase, Shohei Ikawa, Masato Fujiwara, Hirotaka Nakayama, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Real-time time-division color electroholography using a single GPU and a USB module for synchronizing reference light", Applied Optics, 54, 10029-10034 (2015)
  • Takashi Nishitsuji, Tomoyoshi Shimobaba, Takashi Kakue, Daisuke Arai and Tomoyoshi Ito, "Simple and fast cosine approximation method for computer-generated hologram calculation", Optics Express, 23, 32465-32470 (Dec. 2015)
  • Yutaka Endo, Koki Wakunami, Tomoyoshi Shimobaba, Takashi Kakue, Daisuke Arai, Yasuyuki Ichihashi, Kenji Yamamoto, and Tomoyoshi Ito, "Computer-generated hologram for real scenes using a portable plenoptic camera", Optics Communications, 356, 468-471 (Dec. 2015)
  • Tomoyoshi Shimobaba, Takashi Kakue, Yutaka Endo, Ryuji Hirayama, Daisuke Hiyama, Satoki Hasegawa, Yuki Nagahama, Marie Sano, Minoru Oikawa, Takashige Sugie, Tomoyoshi Ito, "Improvement of the image quality of random phase-free holography using an iterative method", Optics Communications, 355, 596-601 (2015)
  • Takashi Kakue, Tetsuya Kawashima, Keisuke Suzuki, Tomoyoshi Shimobaba and Tomoyoshi Ito, "Aerial projection of three-dimensional motion-picture by electro-holography and parabolic mirrors", Scientific Reports, 5, 11750 (2015)
  • Tomoyoshi Shimobaba, Takashi Kakue, Yutaka Endo, Ryuji Hirayama, Daisuke Hiyama, Satoki Hasegawa, Yuki Nagahama, Marie Sano, Minoru Oikawa, Takashige Sugie, Tomoyoshi Ito,"Random phase-free kinoform for large objects", Optics Express, 23, 17269-17274 (Jun. 2015)
  • Teppei Oshima, Yusuke Matsudo, Takashi KakueCDaisuke Arai, Tomoyoshi Shimobaba and Tomoyoshi Ito, "Twin-image reduction method for in-line digital holography using periphery and random reference phase-shifting techniques", Optics Comminications, 350, 270-275 (Sep. 2015)
  • Takashi Nishitsuji, Tomoyoshi Shimobaba, Takashi Kakue, Tomoyoshi Ito, "Fast calculation of computer-gernerated hologram using run-length encoding based recurrence relation", Optics Express, 23, 9852-9857 (2015)
  • Tomoyoshi Shimobaba, Tomoyoshi Ito, "Random phase-free computer-generated hologram", Optics Express, 23, 9549-9554 (2015)
  • Ryuji Hirayama, Makoto Naruse, Hirotaka Nakayama, Naoya Tate , Atsushi Shiraki, Takashi Kakue, Tomoyoshi Shimobaba, Motoichi Ohtsu, Tomoyoshi Ito, "Design, Implementation and Characterization of a Quantum-Dot-Based Volumetric Display", Scientific Reports, 5, 8472 (2015)
  • Daisuke Arai, Tomoyoshi Shimobaba, Koki Murano, Yutaka Endo, Ryuji Hirayama, Daisuke Hiyama,Takashi Kakue and Tomoyoshi Ito, "Acceleration of computer-generated holograms using tilted wavefront recording plane method", Optics Express, 23, 1740-1747 (2015)
  • Izabela Ducin, Tomoyoshi Shimobaba, Michal Makowski, Karol Kakarenko, Adam Kowalczyk, Jaroslaw Suszek, Marcin Bieda, Andrzej Kolodziejczyk, Maciej Sypek, "Holographic projection of images with step-less zoom and noise suppression by pixel separation", Optics Communications, 340, 131-135 (2015)
  • Daisuke Hiyama, Tomoyoshi Shimobaba, Takashi Kakue and Tomoyoshi Ito, "Acceleration of color computer-generated hologram from RGB-D images using color space conversion", Optics Communications, 340, 121-125 (2015)

2014

  • Atsushi Sugiyama, Nobuyuki Masuda, Minoru Oikawa, Naohisa Okada, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Acceleration of computer-generated hologram by Greatly Reduced Array of Processor Element with Data Reduction", Optical Engineering, 53(11), 113104 (Nov 06, 2014)
  • Hiroaki Niwase, Naoki Takada, Hiromitsu Araki, Hirotaka Nakayama, Atsushi Sugiyama, Takashi Kakue, Tomoyoshi Shimobaba, and Tomoyoshi Ito, "Real-time spatiotemporal division multiplexing electroholography with a single graphics processing unit utilizing movie features", Optics Express, 22, 28052-28057 (2014)
  • Naohisa Okada, Tomoyoshi Shimobaba, Yasuyuki Ichihashi, Ryutaro Oi, Kenji Yamamoto, Takashi Kakue and Tomoyoshi Ito, "Fast calculation of computer-generated hologram for RGB and depth images using wavefront recording plane method", Photonics Letters of Poland, 6, 3, 90-92 (2014)
  • Atsushi Sugiyama, Hayato Akiyama, Shingo Hashikawa, Tomoyoshi Shimobaba, Takashi Kakue, and Tomoyoshi Ito, "Large scale calculation for holography using SSD", Photonics Letters of Poland, 6, 3, 87-89 (2014)
  • Tomoyoshi Shimobaba, Michal Makowski, Takashi Kakue, Naohisa Okada, Yutaka Endo, Ryuji Hirayama, Daisuke Hiyama, Satoki Hasegawa, Yuki Nagahama, Tomoyoshi Ito, "Numerical investigation of lensless zoomable holographic projection to multiple tilted planes", Optics Communications, 333, 274-280 (2014)
  • Tomoyoshi Shimobaba, Takashi Kakue, Naohisa Okada, Yutaka Endo, Ryuji Hirayama, Daisuke Hiyama, and Tomoyoshi Ito, "Ptychography by changing the area of probe light and scaled ptychography", Optics Communications, 331, 189-193 (2014)
  • Koki Murano, Tomoyoshi Shimobaba, Atsushi Sugiyama, Naoki Takada, Takashi Kakue, Minoru Oikawa, Tomoyoshi Ito, "Fast computation of computer-generated hologram using Xeon Phi coprocessor", Computer Physics Communications, 185, 2742-2757 (2014)
  • Tomoyoshi Shimobaba, Takashi Kakue, Minoru Oikawa, Naoki Takada, Naohisa Okada, Yutaka Endo, Ryuji Hirayama, Tomoyoshi Ito, "Calculation reduction method for color computer-generated hologram using color space conversion", Optical Engineering 53(2), 024108 (2014)

2013

  • Tomoyoshi Shimobaba, Hiroya Yamanashi, Takashi Kakue, Minoru Oikawa, Naohisa Okada, Yutaka Endo, Ryuji Hirayama, Nobuyuki Masuda, Tomoyoshi Ito, "Gigapixel inline digital holographic microscopy using a consumer scanner" (submitted) (preprint : arXiv:1305.6084)
  • Tomoyoshi Shimobaba, Takashi Kakue, Naohisa Okada, Minoru Oikawa, Yumi Yamaguchi, and Tomoyoshi Ito, "Aliasing-reduced Fresnel diffraction with scale and shift operations", Journal of Optics (accepted)
  • Hirotaka Nakayama, Atsushi Shiraki, Ryuji Hirayama, Nobuyuki Masuda, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Three-Dimensional Volume Containing Multiple Two-Dimensional Information Patterns", Scientific Reports (accepted)
  • Naohisa Okada, Tomoyoshi Shimobaba, Yasuyuki Ichihashi, Ryutaro Oi, Kenji Yamamoto, Minoru Oikawa, Takashi Kakue, Nobuyuki Masuda, and Tomoyoshi Ito, "Band-limited double-step Fresnel diffraction and its application to computer-generated holograms," Opt. Express 21, 9192-9197 (2013)

2012

  • Takashi Nishitsuji, Tomoyoshi Shimobaba, Takashi Kakue, Nobuyuki Masuda, Tomoyoshi Ito, "Fast calculation of computer-generated hologram using circular symmetry of zone plate", Optics Express, 20, 27496-27502 (2012.11.27)
  • Takashi Kakue, Kazuya Tosa, Junpei Yuasa, Tatsuki Tahara, Yasuhiro Awatsuji, Kenzo Nishio, Shogo Ura, and Toshihiro Kubota, "Digital light-in-flight recording by holography by use of a femtosecond pulsed laser," IEEE Journal of Selected Topics in Quantum Electronics 18, pp.479-485 (2012)
  • Takashi Kakue, Seiya Itoh, Pemg Xia, Tatsuki Tahara, Yasuhiro Awatsuji, Kenzo Nishio, Shogo Ura, Toshihiro Kubota, and Osamu Matoba, "Single-shot femtosecond-pulsed phase-shifting digital holography," Opt. Express 20, pp. 20286-20291 (2012)
  • Tomoyoshi Shimobaba, Kyoji Matsushima, Takashi Kakue, Nobuyuki Masuda and Tomoyoshi Ito, "Scaled angular spectrum method", Optics Letters Optics Letters 37, pp.4128-4130 (2012)
  • Tomoyoshi Shimobaba, Takashi Kakue, Nobuyuki Masuda and Tomoyoshi Ito, "Numerical investigation of zoomable holographic projection without a zoom lens" Journal of the Society for Information Display, 20, 9, 533-538 (2012.10.11)
  • Tomoyoshi Shimobaba, Nobuyuki Masuda and Tomoyoshi Ito, "Arbitrary shape surface Fresnel diffraction", Optics Express 20, 9335-9340 (2012.04)
  • Jiantong Weng, Tomoyoshi Shimobaba, Naohisa Okada, Hirotaka Nakayama, Minoru Oikawa, Nobuyuki Masuda and Tomoyoshi Ito, "Generation of real-time large computer generated hologram using wavefront recording method", Optics Express , 20, 4018-4023 (2012.02)
  • Tomoyoshi Shimobaba, Jiantong Weng, Takahiro Sakurai, Naohisa Okada, Takashi Nishitsuji, Naoki Takada, Atsushi Shiraki, Nobuyuki Masuda and Tomoyoshi Ito, "Computational wave optics library for C++: CWO++ library", Computer Physics Communications, 183, 1124-1138 (2012.01)
  • Jiantong Weng, Tomoyoshi Shimobaba, Minoru Oikawa, Nobuyuki Masuda, and Tomoyoshi Ito, "Fast recurrence relation for computer-generated-hologram", Computer Physics Communications, 183, pp.46-49 (2012.01)

2011

  • Takashi Kakue, Mitsuo Kuwamura, Yuki Shimozato, Tatsuki Tahara, Yasuhiro Awatsuji, Kenzo Nishio, Shogo Ura, Toshihiro Kubota, and Osamu Matoba, "Optical-path-length-shifting color digital holography," Optical Review 18, pp.180-183 (2011)
  • Takashi Kakue, Mayayuki Aihara, Tetsuya Takimoto, Yasuhiro Awatsuji, Kenzo Nishio, Shogo Ura, and Toshihiro Kubota, "Moving picture recording and observation of visible femtosecond light pulse propagation," Japanese Journal of Applied Physics 50, pp.050205-1-3 (2011)
  • Takashi Kakue, Ryosuke Yonesaka, Tatsuki Tahara, Yasuhiro Awatsuji, Kenzo Nishio, Shogo Ura, Toshihiro Kubota, and Osamu Matoba, "High-speed phase imaging by parallel phase-shifting digital holography," Optics Letters 36, pp.4131-4133 (2011)
  • Minoru Oikawa, Tomoyoshi Shimobaba, Nobuyuki Masuda, and Tomoyoshi Ito, "Computer generated hologram using approximate Fresnel integral", Journal of Optics, 13, 075405 (4pp) (2011)
  • Minoru Oikawa, Tomoyoshi Shimobaba, Takuto Yoda, Hirotaka Nakayama, Atushi Shiraki, Nobuyuki Masuda, and Tomoyoshi Ito,"Time-division color electroholography using one-chip RGB LED and synchronizing controller", Optics Express, 19, 13, pp.12008-12013 (2011.06)
  • Tomoyoshi Shimobaba, Takayuki Takahashi, Nobuyuki Masuda, and Tomoyoshi Ito, "Numerical study of color holographic projection using space-division method", Optics Express 19, 10287-10292
  • Hiroki Uehara, Daichi Hirai, Hiroki Kagajo, Yasuyuki Ichihashi, Hirotaka Nakayama, Tomoyoshi Shimobaba, Nobuyuki Masuda, Tomoyoshi Ito, "Electro-Holography with Phase Modulation Type Liquid Crystal Display", Journal of the institute of image information and television engineers, 65, 3, 403-406 (2011)

2010

  • Naoki Takada, Tomoyoshi Shimobaba, Nobuyuki Masuda and Tomoyoshi Ito, "Improved Performance of FDTD Computation Using a ThreadBlock Constructed as a Two-Dimensional array with CUDA", Two-Dimensional array with CUDA", ACES Journal, 25, 12, 1061-1069 (2010.12)
  • Hirotaka Nakayama, Naoki Takada, Yasuyuki Ichihashi, Shin awazu, Tomoyoshi Shimobaba, Nobuyuki Masuda and Tomoyoshi Ito, "Real-time color electroholography using multi graphics processing units and multi high-definition liquid-crystal display panels", applied Optics, 49, 5993-5996 (2010.10.22)
  • Hirotaka Nakayama, Masanori Sakaino, atsushi Shiraki, Tomoyoshi Shimobaba, Nobuyuki Masuda, Tomoyoshi Ito, "active hologram plate using plural sources of light" Journal of the institute of image information and television engineers, 12, 1956-1959 (2010) (written in Japanese)
  • Tomoyoshi Shimobaba, Hirotaka Nakayama, Nobuyuki Masuda and Tomoyoshi Ito, "Rapid calculation of Fresnel computer-generated-hologram using look-up table and wavefront-recording plane methods for three-dimensional display", Optics Express, 18, 19, 19504-19509 (2010.08.30)
  • Tomoyoshi Shimobaba, Nobuyuki Masuda, Yasuyuki Ichihashi and Tomoyoshi Ito, "Real-time digital holographic microscopy observable in multi-view and multi-resolution", Journal of Optics, 12, 065402 (4pp) (2010.6)(preprint:arXiv:1001.4309v2)
  • Tomoyoshi Shimobaba, Tomoyoshi Ito, Nobuyuki Masuda, Yasuyuki Ichihashi, Naoki Takada, "Fast calculation of computer-generated-hologram on AMD HD5000 series GPU and OpenCL", Optics Express 18, 9955-9960 (2010.) (preprint:arXiv:1002.0916)
  • Taichi Kiwaki, Tomoyoshi Shimobaba, Nobuyuki Masuda and Tomoyoshi Ito, "Quantitative assessment Method for Computer-generated Holograms Free from the Effect of Viewpoint", Optics Letters, 35, 1112-1114 (2010)

2009

  • Tomoyoshi Shimobaba, Nobuyuki Masuda and Tomoyoshi Ito, "Simple and fast calclulation algorithm for computer-generated hologram with wavefront recording planet", Optics Letters (IF: 3.772) (in print)
  • Noriyuki Tanabe, Yasuyuki Ichihashi, Hirotaka Nakayama, Nobuyuki Masuda and Tomoyoshi Ito, "Speed-up of hologram generation using ClearSpeed accelerator board", Computer Physics Communications (IF: 2.120) Vol.180, pp.1870-1873
  • atsushi Shiraki, Naoki Takada, Masashi Niwa, Yasuyuki Ichihashi, Tomoyoshi Shimobaba, Nobuyuki Masuda and Tomoyoshi Ito, "Simplified electroholographic color reconstruction system using graphics processing unit and liquid crystal display projector", Optics Express (IF: 3.880), Vol.17, Issue 18, pp.16038-16045
  • Yasuyuki Ichihashi, Hirotaka Nakayama, Tomoyoshi Ito, Nobuyuki Masuda, Tomoyoshi Shimobaba, atsushi Shiraki and Takashige Sugie, "HORN-6 special-purpose clustered computing system for electroholography", Optics Express, Vol.17, Issue 16, pp.13895-13903
  • Tomoyoshi Shimobaba, Junya Miura and Tomoyoshi Ito, "a computer aided design tool for developing an electroholographic display", Journal of Optics a: Pure and applied Optics, Vol.11, pp.085408 [1-5]

2008

  • Naoki Takada, Nobuyuki Masuda, Takashi Tanaka, Yukio abe and Tomoyoshi Ito, "a GPU implementation of the 2-D Finite-Difference Time-Domain Code using High Level Shader Language", applied Computational Electromagnetics Society Journal, Vol.23, No.4, pp.309-316
  • Shin-ichi Satake, Yoshiaki Hiroi, Yuya Suzuki, Nobuyuki Masuda and Tomoyoshi Ito, "Special-Purpose Computer for Two-Dimensional FFT", Computer Physics Communications, Vol.179, pp.404-408
  • Tomoyoshi Shimobaba, Yoshikuni Sato, Junya Miura, Mai Takenouchi and Tomoyoshi Ito, "Real-time digital holographic microscopy using the graphic processing unit", Optics Express, Vol.16, Issue 16, pp.11776-11781
  • Tomoyoshi Shimobaba, Tomoyoshi Ito, Nobuyuki Masuda, Yukio abe, Yasuyuki Ichihashi, Hirotaka Nakayama, Naoki Takada, atsushi Shiraki and Takashige Sugie, "Numerical calculation library for diffraction integrals using the graphic processing unit: the GPU-based wave optics library", Journal of Optics a: Pure and applied Optics, Vol.10, 075308 (5pp)
  • Yukio abe, Nobuyuki Masuda, Hideaki Wakabayashi, Yuta Kazo, Tomoyoshi Ito, Shin-ichi Satake, Tomoaki Kunugi and Kazuho Sato, "Special purpose computer system for flow visualization using holography technology", Optics Express, Vol.16, Issue 11, pp.7686-7692
  • Tomoyoshi Shimobaba, atsushi Shiraki, Yasuyuki Ichihashi, Nobuyuki Masuda and Tomoyoshi Ito, "Interactive color electroholography using the FPGa technology and time division switching method", IEICE Electronics Express (ELEX), Vol.5, No.8, pp.271-277
  • Shin-ichi Satake, Takafumi anraku, Hiroyuki Kanamori, Tomoaki Kunugi, Kazuho Sato and Tomoyoshi Ito, "Measurements of Three-Dimensional Flow in Micro-Channel with Complex Shape by micro-Digital-Holographic Particle-Tracking Velocimetry", Journal of Heat Transfer, Vol.130, Issue 4, pp.042413 (1-7)
  • Shin-ichi Satake, Takafumi anraku, Hiroyuki Kanamori, Tomoaki Kunugi, Kazuho Sato and Tomoyoshi Ito, "Study on high speed parallel algorithm using PC grid environment for visualization measurements by Digital Holographic Particle Tracking Velocimetry", Computer Physics Communications, Volume 178, Issue 1, pp. 1-7

2007

  • Tomoyoshi Shimobaba, atsushi Shiraki, Nobuyuki Masuda and@Tomoyoshi Ito, "an electroholographic colour reconstruction by time division switching of reference lights", Journal of Optics a: Pure and applied Optics, Vol.9, pp.757-760
  • Satoru Hosono, Hideaki Wakabayashi, Nobuyuki Masuda and Tomoyoshi Ito, "Special-Purpose Computer with Highly Parallel Pipelines for solution X-ray scattering analysis of macromolecule XSaM-2", IEICE Electronics Express (ELEX), Vol.4, No.12, pp.387-392
  • Shin-ichi Satake, Hiroyuki Kanamori, Tomoaki Kunugi, Kazuho Sato, Tomoyoshi Ito and Keisuke Yamamoto, "Parallel computing of a digital hologram and particle searching for microdigital-holographic particle-tracking velocimetry", applied Optics, Vol.46, No.4, pp.538-543

2006

  • Shin-ichi Satake, Tomoaki Kunugi, Kazuho Sato, Tomoyoshi Ito, Hiroyuki Kanamori and Jun Taniguchi, "Measurements of 3D flow in Micro-pipe via Micro Digital Holographic Particle Tracking Velocimetry", Measurement Science and Technology, Vol.17, pp.1647-1651
  • Nobuyuki Masuda, Tomoyoshi Ito, Kazuya Kayama, Hiroaki Kono, Shin-ichi Satake, Tomoaki Kunugi and Kazuho Sato, "Special purpose computer for digital holographic particle tracking velocimetry", Optics Express, Vol.14, No.2, pp.603-608
  • Nobuyuki Masuda, Tomoyoshi Ito, Takashi Tanaka, atsushi Shiraki and Takashige Sugie, "Computer generated holography using a graphics processing unit", Optics Express, Vol.14, No.2, pp.587-592

2005

  • Shin-ichi Satake, Tomoaki Kunugi, Kazuho Sato, Tomoyoshi Ito and Jun Taniguchi, "Three-Dimensional Flow Tracking in a Micro Channel with High Time Resolution Using Micro Digital-Holographic Particle-Tracking Velocimetry", Optical Review, Vol.12, No.6, pp.442-444
  • Tomoyoshi Shimobaba, atsushi Shiraki, Nobuyuki Masuda and Tomoyoshi Ito, "Electroholographic display unit for three-dimensional display by use of special-purpose computational chip for holography and reflective LCD panel", Optics Express, Vol.13, No.11, pp.4196-4201
  • Tomoyoshi Ito, Nobuyuki Masuda, Kotaro Yoshimura, atsushi Shiraki, Tomoyoshi Shimobaba and Takashige Sugie, "a special-purpose computer HORN-5 for a real-time electroholography", Optics Express, Vol.13, No.6, pp.1923-1932

2004

  • Tomoyoshi Ito and Koji Okano, "Color electroholography by three colored reference lights simultaneously incident upon one hologram panel", Optics Express Vol.12, No.18, pp.4320-4325
  • Takashige Sugie, Tomoyoshi Ito and Toshikazu Ebisuzaki, "a special-purpose computer for exploring similar biological sequences: Bioler-2 with multi-pipeline and multi-sequence architecture", Computer Physics Communications, Vol.162, No.1, pp.37-50
  • Shin-ichi Satake, Tomoaki Kunugi, Kazuho Sato and Tomoyoshi Ito, "Digital holographic PTV for 3-D transient flow around an obstacle in narrow channel", Optical Review, Vol.11, No.3, pp.162-164
  • Tomoyoshi Ito and Tomoyoshi Shimobaba, "One-unit system for electroholography by use of a special-purpose computational chip with a high-resolution liquid-crystal display toward a three-dimensional television", Optics Express, Vol.12, No.9, pp.1788-1793
  • Takashige Sugie, Keiji Horita, Satoru Hosono, Tomoyoshi Ito and Toshikazu Ebisuzaki, "a special-purpose computer for exploring similar protein sequences by the dynamic programming method", Computer Physics Communications, Vol.157, No.1, pp.1-8

2003

  • Tomoyoshi Shimobaba and Tomoyoshi Ito, "a Color Holographic Reconstruction System by Time Division Multiplexing with Reference Lights of Laser", Optical Review, Vol.10, No.5, pp.339-341

2002

  • Tomoyoshi Shimobaba, Sinsuke Hishinuma and Tomoyoshi Ito, "Special-Purpose Computer for Holography HORN-4 with recurrence algorithm", Computer Physics Communications, Vol.148, pp.160-170
  • Tomoyoshi Ito, Tomoyoshi Shimobaba, Hirokazu Godo and Masahiko Horiuchi, "Holographic reconstruction with a 10-ƒΚm pixel-pitch reflective liquid-crystal display by use of a light-emitting diode reference light", Optics Letters, Vol.27, No.16, pp.1406-1408

2001

  • Tomoyoshi Shimobaba and Tomoyoshi Ito, "an efficient computational method suitable for hardware of computer-generated hologram with phase computation by addition", Computer Physics Communications, vol.138, pp.44-52

2000

  • Tomoyoshi Shimobaba and Tomoyoshi Ito, "3D-TV by a special-purpose computer for holography", The Journal of Three Dimensional Images, Vol.14, No.4, pp.100-104
  • Tomoyoshi Shimobaba, Nobuyuki Masuda, Takashige Sugie, Satoru Hosono, Shinobu Tsukui and Tomoyoshi Ito, "Special-purpose computer for holography HORN-3 with PLD technology", Computer Physics Communications, Vol.130, pp.75-82