研究業績

International Conference

2026

1. (invited) Tomoyoshi Shimobaba , Fan Wang, Masato Shotoku, Shunsuke Watanabe, Megumi Kobayashi, Yudai Fujima, Tomoyoshi Ito, "High-speed hologram calculations: Algorithms, Hardware Acceleration, and Quantum Computing", The 17th International Conference on 3D Systems and Applications (3DSA), Hamamatsu (Dec. 2–4, 2026)

2. (invited) Tatsuki Tahara, Hideaki Yoshimura, Yuichi Kozawa, Tomoyoshi Shimobaba, Tomoya Nakamura, David Blinder, and Yasuhiro Takaki, "Natural-light digital holography", The 17th International Conference on 3D Systems and Applications (3DSA), Hamamatsu (Dec. 2–4, 2026)

3. Masato Shotoku, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Fresnel Diffraction Based on Matrix Multiplication", The 17th International Conference on 3D Systems and Applications (3DSA), Hamamatsu (Dec. 2–4, 2026)

4. Masato Goto, Tomoyoshi Ito, Tomoyoshi Shimobaba, Fan Wang, "Suppressing Ringing Artifacts in Double-Phase Holograms via Wavelet Decomposition", The 17th International Conference on 3D Systems and Applications (3DSA), Hamamatsu (Dec. 2–4, 2026)

5. Noritomo Okamoto, Shota Osada, Masato Shotoku, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Accelerating Separable Convolution Computations Using the 1D Fast Fourier Transforms", The 17th International Conference on 3D Systems and Applications (3DSA), Hamamatsu (Dec. 2–4, 2026)

6. Yoshihiro Mitani, Tomoyoshi Shimobaba, Tomoyoshi Ito, Fan Wang, "Polygon-Based Hologram Generation via Monocular Depth Estimation from a 2D Image", The 17th International Conference on 3D Systems and Applications (3DSA), Hamamatsu (Dec. 2–4, 2026)

7. Shuhei Otsuki, Chung-Hsuan Huang, Chau-Jern Cheng, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Complex hologram compression using Mamba", The 17th International Conference on 3D Systems and Applications (3DSA), Hamamatsu (Dec. 2–4, 2026)

8. Kenya Sugimoto, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Image Reconstruction and Object Classification using Deep Learning in NMF-based Single-Pixel Imaging", The 17th International Conference on 3D Systems and Applications (3DSA), Hamamatsu (Dec. 2–4, 2026)

9. Soju Ochiai, Ikuo Hoshi, Yasuyuki Ichihashi, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Deep Reinforcement Learning Using a Diffractive Deep Neural Network as a Q-Network", The 17th International Conference on 3D Systems and Applications (3DSA), Hamamatsu (Dec. 2–4, 2026)

10. Keisuke Ono, Kenya Sugimoto, Yushi Hasegawa, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Computational Optical Scanning Holography Using a Line Sensor for Complex Amplitude Reconstruction", The 17th International Conference on 3D Systems and Applications (3DSA), Hamamatsu (Dec. 2–4, 2026)

11. (invited) Tomoyoshi Shimobaba, Shunsuke Watanabe, Megumi Kobayashi, Masato Shotoku, Fan Wang, Tomoyoshi Ito, "Simulation of quantum computer-generated holography", SPIE Photonics Aisa, Holography, Diffractive Optics, and Applications XVI, Nantong, Chima (24-26 Oct 2026)

12. Kai Kumano, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Multi-Channel Physics-Informed Frequency Encoding for Large-Depth-Range Computer-Generated Holography", the 26th International Meeting on Information Display (IMID 2026), Busan, Korea (18-21, Aug. 2026)

13. (invited)  Tomoyoshi Shimobaba, Fan Wang, Masato Shotoku, Tomoyoshi Ito, "Modified split-Lohmann holography and holographic signal converter",  DH2026 (OPTICA Digital Holography and Three-Dimensional Topical Meeting, Taipei (June 1-4, 2026)

14. (invited) Tomoyoshi Shimobaba, Fan Wang, Masato Shotoku, Chung-Hsuan Huang, Chau-Jern Cheng, Tomoyoshi Ito, "Real-time 3D computer holography and its applications",  LDC2026 (The Laser Display and Lighting Conference), Yokohama (21-25 Apr. 2026)

15. (invited) Tomoyoshi Shimobaba, Fan Wang, Masato Shotoku, Tomoyoshi Ito, "Deep Learning-Driven Holographic Pipeline",  the 2nd Annual International Conference on Optics, Photonics and Lasers (AICOPL2026) , Lisbon, Portugal (13-15 Apr. 2026)

16. (invited) Fan Wang, Yoshihiro Mitani, David Blinder, Masato Shotoku, Tomoyoshi Ito, Tomoyoshi Shimobaba, "A polygon-based hologram generated using the split-Lohmann lens method",  SPIE Practical Holography XXXX: Displays, Materials, and Applications,  San Francisco, California, US (17-22 Jan. 2026)

17. (invited) Tomoya Nakamura, Tomoyoshi Shimobaba, Yuichi Kozawa, Mohamad Ammar Alsherfawi Aljazaerly, Tatsuki Tahara, "Coded Imaging under Natural Light via Incoherent Digital Holography and Lensless",  SPIE Practical Holography XXXX: Displays, Materials, and Applications,  San Francisco, California, US (17-22 Jan. 2026)

2025

1. Yu Yamazawa, Keyna Sugimoto, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Numerical Investigation of Efficient Sampling for Single-Pixel Imaging via Edge Information", IDW25, International Conference Center Hiroshima, Hiroshima, Japan (3-5 Dec.2025)

2. Shun Matsumoto, Yushi Hasegawa, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Expansion of the Viewing Zone in Holographic Display Using a Light Diffuser with Camera-in-the-Loop Optimization", IDW25, International Conference Center Hiroshima, Hiroshima, Japan (3-5 Dec.2025)

3. Shun Nishijima, Kosuke Mori, Kazuma Mori, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Comparison of Modulation Methods for Generating Complex Holograms from Amplitude Holograms Using Optimization Calculations", IDW25, International Conference Center Hiroshima, Hiroshima, Japan (3-5 Dec.2025)

4. Itsuki Karube, Yasuyuki Ichihashi, Fan Wang, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Study on the Parallelization of the FFT Module for the Holographic Special-Purpose Computer Using Orthographic Ray-Wavefront Conversion", IDW25, International Conference Center Hiroshima, Hiroshima, Japan (3-5 Dec.2025)

5. Kai Kumano, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Hologram Generation Leveraging 3D Gaussian Splatting for Computer-Generated Holography" IDW25, International Conference Center Hiroshima, Hiroshima, Japan (3-5 Dec.2025)

6. Makoto Sekiguchi, Cung-Hsuan Huang, Chau-Jern Cheng, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Complex Hologram Compression Using Factorized Prior", IDW25, International Conference Center Hiroshima, Hiroshima, Japan (3-5 Dec.2025)

7. Kazuma Mori, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Fast Single-step Fresnel diffraction with minimized size change on GPU", IDW25, International Conference Center Hiroshima, Hiroshima, Japan (3-5 Dec.2025)

8. (invited) Tomoyoshi Shimobaba, Fan Wang, Shotoku Masato, Tomoyoshi Ito, "Hologram generation on a quantum computer", the International Workshop on Holography and Related Technologies 2025 (IWH 2025), Sun Moon Lake, Taiwan (2025)

9. (invited) Tomoyoshi Shimobaba, "The past, present, and future of hologram computation", Samsung Display (conducted as part of the Davinci Academy Future Technology Seminar series), (22 Dec. 2025)

10. (invited) Tomoyoshi Shimobaba, Fan Wang, Chung-Hsuan Huang, Shotoku Masato, Kai Kumano, Makoto Sekiguchi, Shun Nishijima, Noritomo Okamoto, Yudai Fujima, Chau-Jern Cheng, Tomoyoshi Ito, ”Recent works on computer-generated holograms in terms of applications, acceleration, compression, and quantum",  Optics & Photonics Taiwan International Conference 2025 (OPTIC2025), Taipei (4-7 Dec. 2025)

11. (invited) Tomoyoshi Shimobaba, Fan Wang, Masato Shotoku, Kai Kumano, Yudai Fujima, Keisuke Ono, Tomoyoshi Ito, "Deep-learning-driven 3D hologram generation", SPIE/COS Photonics Asia 2025, Beijing, China (12-14 Oct. 2025)

12.  (invited) Tomoyoshi Shimobaba,Fan Wang, Masato Shotoku, Kai Kumano, Yudai Fujima, Keisuke Ono, Tomoyoshi Ito, "Hologram generation via deep-learning",  International Conference ON  Applied Physics & Imaging (ICAPI), the University of Tartu, Estonia (20-21 Sept. 2025)

13. Yushi Hasegawa,  Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Model Compression for End-to-end Holographic Display", International Conference on 3D Systems and Applications (3DSA2025), Taipei (3-4, Sep. 2025)

14. [300] Yuito Watanabe, Tatsuki Tahara, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Depth map generation form holographic reconstruction via trained deep learning", International Conference on 3D Systems and Applications (3DSA2025), Taipei (3-4, Sep. 2025)

15.  Keisuke Ono, Fan Wang, Kai Kumano, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Generation of Holograms viewing from Arbitrary Positions using a Single Image via Vision NeRF", International Conference on 3D Systems and Applications (3DSA2025), Taipei (3-4, Sep. 2025)

16. Yudai Fujima, Fan Wang, Yogi Udjaja, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Stereo Hologram Pair Generation Method via Deep-learning for Binocular Holographic HMD", International Conference on 3D Systems and Applications (3DSA2025), Taipei (3-4, Sep. 2025)

17. [(Best Poster Paper Award) Kazuma Mori, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Single-step Fresnel diffraction with reduced size variation via downsampling", International Conference on 3D Systems and Applications (3DSA2025), Taipei (3-4, Sep. 2025)

18. Shun Nishijima, Kosuke Mori, Kazuma Mori, Fan Wang,Tomoyoshi Ito, Tomoyoshi Shimobaba, "Hologram generation using optimization calculations", International Conference on 3D Systems and Applications (3DSA2025), Taipei (3-4, Sep. 2025)

19. Takumi Hayashi, Tomoyoshi Shimobaba, Tomoyoshi Ito, Athushi Shiraki, "Development of a Projection and Observation System for Directional Volumetric Displays" , International Conference on 3D Systems and Applications (3DSA2025), Taipei (3-4, Sep. 2025)

20.  Noritomo Okamoto, Shun Matsumoto, Kazuma Mori, Itsuki Karube, Masato Shotoku, Fan Wang, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Design and Implementation of Point Cloud Data Generation Circuit Using Variational Autoencoder", International Conference on 3D Systems and Applications (3DSA2025), Taipei (3-4, Sep. 2025)

21. Kenya Sugimoto, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Comparison of Binarization Using Error Diffusion Based on Maximum and Minimum Values in Single-Pixel Imaging", International Conference on 3D Systems and Applications (3DSA2025), Taipei (3-4, Sep. 2025)

22. Masato Shotoku, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Computational Cost Reduction of Computer-Generated Holograms in Layer Method with Color Space Conversion", International Conference on 3D Systems and Applications (3DSA2025), Taipei (3-4, Sep. 2025)

23. Makoto Sekiguchi, Chung-Hsuan Huang, Chau-Jern Cheng, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Hologram compression using CompressAI", International Conference on 3D Systems and Applications (3DSA2025), Taipei (3-4, Sep. 2025)

24. Kai Kumano, Fan Wang, Keisuke Ono, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Cross-framework integration of hologram generation pipeline using ONNX", International Conference on 3D Systems and Applications (3DSA2025), Taipei (3-4, Sep. 2025)

25. Shun Matsumoto, Yushi Hasegawa, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Wide-viewing-angle Holographic 3D Display with Camera-in-the-loop Optimization", International Conference on 3D Systems and Applications (3DSA2025), Taipei (3-4, Sep. 2025)

26. Taiki Kono, Takashi Nishitsuji, Tomoyoshi Shimobaba, Tomoyoshi Ito, Atsushi Shiraki, "Ultraviolet laser projection on a holographic directional volumetric display ", International Conference on 3D Systems and Applications (3DSA2025), Taipei (3-4, Sep. 2025)

27. Nagito Hino, Tomoyoshi Shimobaba, Tomoyoshi Ito, Atsushi Shiraki, "Color holography reproduction using the time-division method on a thread-type directional volumetric display", International Conference on 3D Systems and Applications (3DSA2025), Taipei (3-4, Sep. 2025)

28. (invited) Tomoyoshi Shimobaba, et al, "Computer holography meets quantum computing", the Optica Digital Holography and Three-Dimensional Imaging Topical Meeting (DH2025), Seattle, USA (18-21 Aug. 2025)

29. (invited) Tatsuki Tahara, Hideaki Yoshimura, Tomoyoshi Shimobaba, Ryo Okamoto, David Blinder, Yuichi Kozawa, Tomoya Nakamura, "Digital motion-picture holography with incoherent light sources", the Optica Digital Holography and Three-Dimensional Imaging Topical Meeting (DH2025), Seattle, USA (18-21 Aug. 2025)

30. Tomoyoshi Shimobaba, Fan Wang, David Blinder, Joanna Starobrat, Chung-Hsuan Huang, Tatsuki Tahara, Chau-Jern Cheng, Peter Schelkens, Tomoyoshi Ito, "Preliminary investigation of hologram compression using tensor decomposition", the Optica Digital Holography and Three-Dimensional Imaging Topical Meeting (DH2025), Seattle, USA (18-21 Aug. 2025)

31. Fan Wang, Joanna Starobrat, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Background noise reduction in phase-only holograms", the Optica Digital Holography and Three-Dimensional Imaging Topical Meeting (DH2025), Seattle, USA (18-21 Aug. 2025)

32. [282] (Best Presenter Award) Tomoyoshi Shimobaba, Yogi Udjaja, Fan Wang, Joanna Starobrat, Masato Shotoku, Tomoyoshi Ito, "Layer-based hologram generation using diffraction calculation with minimum zero-padding", The 10th International Conference on Computer Science and Computational Intelligence (ICCSCI), Bina Nusantara University Semarang Campus (BINUS @ Semarang), Indonesia (Jul. 31- Aug. 1, 2025)

33. (invited) Tomoyoshi Shimobaba, Fan Wang, Masato Shotoku, Kai Kumano, Keisuke Ono, Yudai Fujima, Tomoyoshi Ito, "Free viewpoint holographic displays and hologram converter from 2D images", Workshop on Information Optics (WIO 2025), Barcelona, Spain (30 June- 4 July 2025)

34. (invited) Tomoyoshi Shimobaba, Kenya Sugimoto, Fan Wang, Tomoyoshi Ito, "Single-pixel imaging using NMF, audio data compression, and deep-learning with simple quantization", The 8th International Conference on Machine Vision and Applications (ICMVA 2025), Melbourne, Australia (June 12-14, 2025)

35.  (invited) Tomoyoshi Shimobaba, Fan Wang, Tomoyoshi Ito, "State-of-the-art in computer-generated holography",  JPEG Pleno Workshop on Future Challenges in Compression of Holograms for XR Applications, Vrije Universiteit Brussel, Belgium (Apr. 16, 2025)

36. Masatada Komine, Naoki Sugi, Kaito Terashima, Masato Shotoku, Tomoyoshi Shimobaba, Takashi Kakue, Ken Morita, "FPGA-based single-photon coincidence measurement system", The 14th Advanced Lasers and Photon Sources (ALPS2025), Japan, Yokohanam (Apr. 21-25, 2025)

2024

1. (invited) Tomoyoshi Shimobaba, Masato Shotoku, Fan Wang and Tomoyoshi Ito, "NeRF-based holographic display and TV games",  International Workshop on Holography and Related Technologies 2024 (IWH2024), Hawaii, USA (10-12 Dec. 2024)

2. Takuya Hirahara, Fan Wang, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Conversion from Amplitude Hologram to Complex Hologram Using Deep Learning", The 31st International Display Workshops (IDW2024), Sapporo Convention Center, Sapporo, Japan (4-6, Dec. 2024)

3.  Kazuki Kamizuru, Takashi Nishitsuji, Hirotaka Nakayama, Tomoyoshi Ito, Tomoyoshi Shimobaba, Atsushi Shiraki, "Enhancing the Visibility of String-Based Directional Volumetric Displays", The 31st International Display Workshops (IDW2024), Sapporo Convention Center, Sapporo, Japan (4-6, Dec. 2024)

4. Seigou Takeshita, Takashi Nishituji, Hirotaka Nakayama, Tomoyoshi Shimobaba, Tomoyoshi Ito, Atushi Shiraki, "Enhancing Image Quality in Directional Volumetric Displays with a 3D Super-Resolution Convolutional Neural Network", The 31st International Display Workshops (IDW2024), Sapporo Convention Center, Sapporo, Japan (4-6, Dec. 2024)

5. Shunya Nakatani, Tomoyoshi Shimobaba, Tomoyoshi Ito, Atsushi Shiraki, "Development of an MR Speech Transcription System for the Hearing Impaired with Speaker Identification", The 31st International Display Workshops (IDW2024), Sapporo Convention Center, Sapporo, Japan (4-6, Dec. 2024)

6. (invited) Tomoyoshi Shimobaba, Masato Shotoku, Fan Wang and Tomoyoshi Ito, "Deep holographic displays: arbitrary viewing 3D reconstructions and holographic TV games",  XLVII Optical Society of India (OSI) Symposium on Advances in Optics and Photonics Instrumentation (OPTOIn-2024), Chandigarh, India (23-25 Oct. 2024)

7. (invited) Tomoyoshi Shimobaba, Ikuo Hoshi, Takashi Shikamura, Fan Wang, Tomoyoshi Ito, "Single-pixel imaging using deep Learning, FPGA, and non-negative matrix factorization", SPIE/COS Photonics Asia 2024, Nantong, Jiangsu, China (12-14 Oct. 2024)

8. (invited) Fan Wang, Pin Wang, Yaping Zhang, David Blinder, T. C. Poon, Tomoyoshi Ito, Tomoyoshi Shimobaba, "A review: history, status and development of polygon-based holograms", SPIE/COS Photonics Asia 2024, Nantong, Jiangsu, China (12-14 Oct. 2024)

9. Yuta Kaihatsu, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Development of Diffractive Neural Networks for Optical Communications Using Bessel Beams", The 15th International Conference on 3D Systems and Applications (3DSA), ICC JEJU, Korea (21-23 Aug. 2024) 

10. (Best Paper Award) Tomoki Kanno, Yasuyuki Ichihashi, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Verification of the expanding observation area using time-division reproduced light in the projection-type holographic display", The 15th International Conference on 3D Systems and Applications (3DSA), ICC JEJU, Korea (21-23 Aug. 2024) 

11. Takashi Shikamura, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Reducing the Number of Mask Patterns in Single-Pixel Imaging Using Nonnegative Matrix Factorization", The 15th International Conference on 3D Systems and Applications (3DSA), ICC JEJU, Korea (21-23 Aug. 2024) 

12. Yu Yamazawa, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Segmentation of holograms using diffusion models", The 15th International Conference on 3D Systems and Applications (3DSA), ICC JEJU, Korea (21-23 Aug. 2024) 

13. (Best Poster Paper Award) Kazuma Mori, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Sub-sampled-Fast Fourier Transform for faster Single-step Fresnel diffraction calculations", The 15th International Conference on 3D Systems and Applications (3DSA), ICC JEJU, Korea (21-23 Aug. 2024) 

14. Shun Nishijima, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Comparison of high-order Bessel beam arrays for optical wireless communication", The 15th International Conference on 3D Systems and Applications (3DSA), ICC JEJU, Korea (21-23 Aug. 2024) 

15. Kaito Tsuchiya, Tomoyoshi Ito ,Tomoyoshi Shimobaba, "Memory Saving Convolutional Neural Networks Using Error Diffusion Methods", The 15th International Conference on 3D Systems and Applications (3DSA), ICC JEJU, Korea (21-23 Aug. 2024) 

16. Kai Kumano, Minsung Kang, Fan Wang. Tomoyoshi Ito, Tomoyoshi Shimobaba, "3D Gaussian Splatting-based computer generated holography",The 15th International Conference on 3D Systems and Applications (3DSA), ICC JEJU, Korea (21-23 Aug. 2024) 

17. Yogi Udjaja, David Blinder, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Saturation Equalization for Computer-Generated Holography", The 15th International Conference on 3D Systems and Applications (3DSA), ICC JEJU, Korea (21-23 Aug. 2024) 

18. Yutaka Endo, Minoru Oikawa, Timothy D. Wilkinson, Tomoyoshi Shimobaba, Tomoyoshu Ito, "Quantization of Neural Network for Computing Complex Holograms", Optica Imaging Congress, France (15-19 July 2024)

19. (invited) Tatsuki Tahara, Tomoyoshi Shimobaba, Mahiro Baba, Yuichi Kozawa, Ammar Alsherfawi Aljazaerly, Tomoya Nakamura, "Natural-light digital holographic cameras", Optica Digital Holography and Three-Dimensional Imaging Topical Meeting (DH2024), Capaccio Paestum, Italy (3-6 Jun 2024)

20. (invited) Tomoyoshi Shimobaba, Minsung Kang, Fan Wang, Kai Kumano, Tomoyoshi Ito, "NeRF-based computer-generated holography", Optica Digital Holography and Three-Dimensional Imaging Topical Meeting (DH2024), Capaccio Paestum, Italy (3-6 Jun 2024)

21. David Blinder, Fan Wang, Takashi Kakue, Tomoyoshi Shimobaba, Peter Schelkens, "Joint color optimization for computer-generated holography without color replicas", SPIE Photonics Europe 2024, Strasbourg, France (7-11 Apr 2024)

22. Tomoyoshi Shimobaba, Fan Wang, Yogi Udjaja, Takashi Nishitsuji, Atsushi Shiraki, Tomoyoshi Ito, "Suppression of ringing artifacts in diffraction calculations",  SPIE Photonics Europe 2024, Strasbourg, France (7-11 Apr 2024)

23. (invited) Fan Wang, David Blinder, Tomoyoshi Ito, Tomoyoshi Shimobab, "Asymmetric point-spread functions for slanted wavefront recording planes",  SPIE Photonics Europe 2024, Strasbourg, France (7-11 Apr 2024)

24. Fan Wang, David Blinder, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Multi-view specular reflections of polygon-based holograms via bump mapping", OPIC2024, Yokohama (26 Apr 2024)

2023

1. (Best Poster Award) Soma Fujimori, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Simplified wide viewing angle electronic holography using a checkered hologram generated by a lens array", 3DSA2023

2. Tomoya Isayama, Takashi Nishitsuji, Naoto Hoshikawa, Hirotaka Nakayama, Tomoyoshi Shimobaba, Tomoyoshi Ito, Atsushi Shiraki, "Proposal of an 8x8 Holographic Directional Volumetric Display", IDW23, Niigata Japan (6-8 Dec. 2023)

3. Yuta Fukumoto，Takashi Nishitsuji, Naoto Hoshikawa，Hirotaka Nakayama, Tomoyoshi Shimobaba, Tomoyoshi Ito，Atsushi Shiraki, "Height Adjustment of Directional Volumetric Displays Using Deep Learning" (6-8 Dec. 2023)

4. Kazuki Kamizuru, Takashi Nishitsuji, Naoto Hoshikawa, Hirotaka Nakayama, Tomoyoshi Ito, Tomoyoshi Shimobaba, Atsushi Shiraki, "Expanding the Viewable Area of Directional Volumetric Displays" (6-8 Dec. 2023)

5. Shunya Nakatani, Tomoyoshi Shimobaba, Tomoyoshi Ito, Atsushi Shiraki, "Development of virtual-reality-based electromagnetism-teaching materials incorporating gamification" (6-8 Dec. 2023)

6. Seigou Takeshita，Takashi Nishitsuji，Naoto Hoshikawa，Hirotaka Nakayama，Tomoyoshi Shimobaba，Tomoyoshi Ito，Atsushi Shiraki, "Enhancing Image Quality in Directional Volumetric Displays with Red-Net" (6-8 Dec. 2023)

7. (invited) Takashi Nishitsuji et al., "Fast calculation techniques of computer-generated holography for line-drawn 3D objects", SPIE Photonics ASIA, China (14-16 Oct 2023)

8. (invited) Fan Wang, David Blinder, Tomoyoshi Ito, and Tomoyoshi Shimobaba, "Advances in computer-generated hologram for rendering and acceleration based on the point-polygon hybrid method", SPIE Photonics ASIA, China (14-16 Oct 2023)

9. Harutaka Shiomi, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Wavelet shrinkage-based superposition WASABI-3
   for hologram calculations from multi-layer images", FiO2023, Tacoma, USA (9-12 Oct. 2023)

10. (invited) Tomoyoshi Shimobaba, Tatsuki Tahara, Fan Wang, Harutaka Shiomi, David Blinder, Takayuki Hara, Takashi Nishitsuji, Atsushi Shiraki, Tomoyoshi Ito, "Lighter and memory-saving diffraction calculations",  FiO2023, Tacoma, USA (9-12 Oct. 2023)

11. Tomoyoshi Shimobaba, Vipin Tiwari, Anuj Gupta, Fan Wang, Harutaka Shiomi, Chau-Jern Cheng, Tomoyoshi Ito, "Numerical investigation of inline digital holography using axicon phase and gradient descent", FiO2023, JW4A.105, Tacoma USA (11 Oct. 2023)

12. Han-Yen Tu, Han-Wen Chi, Tomoyoshi Shimobaba, Chau-Jern Cheng, "Deep Learning-assisted Holographic Tomography for 3-D Cell Morphology Processing and Display", FIO2023 , Tacoma, USA (9-12 Oct. 2023)

13. Takashi Nishitsuji, Tomoyoshi Shimobaba, Atsushi Shiraki, Tomoyoshi Ito, "Approximated wavefront composition for point cloud-based computer-generated holograms", Information Photonics 2023 (IP2023), Taiwan (8-9, Sep. 2023)

14. Tomoyoshi Shimobaba, Tatsuki Tahara, Fan Wang, Harutaka Shiomi, Takayuki Hara, Takashi Nishitsuji, Atsushi Shiraki, Tomoyoshi Ito, "Diffraction calculation using low-quantization signals", DH2023, Boston (14-17 Aug. 2023)

15. David Blinder, Fan Wang, Peter Schelkens, Takashi Kakue, Tomoyoshi Shimobaba, "Joint color optimization for holographic displays", DH2023, Boston (14-17 Aug. 2023)

16. Fan Wang, David Blinder, Harutaka Shiomi, Tomoyoshi Ito, Tomoyoshi Shimobaba, "Polygon-based holograms production pipeline: from 3D modeling to optical reconstruction", DH2023, Boston (14-17 Aug. 2023)

17. (invited) Peter Schelkens, David Blinder, Raees Kizhakkumkara Muhamad, Saeed Mahmoudpour, Colas Schretter, Tomoyoshi Shimobaba, "Compression Challenges for Digital Holography", DH2023, Boston (14-17 Aug. 2023)

18. (invited) Tatsuki Tahara, Yuichi Kozawa, Tomoya Nakamura, Atsushi Matsuda, Ryutaro Oi, Tomoyoshi Shimobaba, "Multidimensional digital holography with daily-use light", DH2023

19. (invited) Tatsuki Tahara, Yuichi Kozawa, Tomoya Nakamura, Atsushi Matsuda, Tomoyoshi Shimobaba, "Incoherent digital holography for multidimensional motion-picture imaging", Holography Meets Advanced Manufacturing session Holography 2 (13 March 2023)

2022

1. Harutaka Shiomi, Tomoyoshi Shimobaba, Takashi Kakue, Tomoyoshi Ito, "Evaluation of the generalization ability of the deep neural network inferring from low to high-precision hologram", The 12th Korea-Japan Workshop on Digital Holography and Information Photonics (DHIP2022), Korea (Dec.19-21, 2022)

2. (invited) Takashi Kakue, Wataru Anzai, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Temporal super-resolution video recording based on angular-multiplexing off-axis digital holography", The 12th Korea-Japan Workshop on Digital Holography and Information Photonics (DHIP2022), Korea (Dec.19-21, 2022)

3. Junya Endo, Bunta Nakano, Naoto Hoshikawa, Tomoyoshi Shimobaba, Tomoyoshi Ito, Atsushi Shiraki, "Development of learning materials on the diffraction phenomena of light waves and a system for observing reproduced images of holography using the virtual reality technology", The 29th International Display Workshops (IDW2022), Fukuoka (Dec. 14-16, 2022)

4. Tomoya Isayama, Naoto Hoshikawa, Hirotaka Nakayama, Tomoyoshi Shimobaba, Tomoyoshi Ito, Atsushi Shiraki, "Development of a Holographic Directional Volumetric Display Prototype", The 29th International Display Workshops (IDW2022), Fukuoka (Dec. 14-16, 2022)

5. (invited)  Tomoyoshi Shimobaba, Takuya Hirahara, Harutaka Shiomi, David Blinder, Tobias Birnbaum, Fan Wang, Takashi Kakue, Peter Schelkens, Tomoyoshi Ito, "Hilbert transform-like hologram calculation via deep learning", 3DSA2022, Taiwan (24-25 Nov. 2022)

6. Wataru Anzai, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Demonstration of High-speed Hologram Recording using Polarization-division Multiplexing for Temporal Super-resolution Digital Holography", 3DSA2022, Taiwan (24-25 Nov. 2022)

7. Tatsuya Maruyama, Yasuyuki Ichihashi, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Implementation of data transfer function with external devices for special-purpose computer that can generate hologram based on light-ray information", 3DSA2022, Taiwan (24-25 Nov. 2022)

8. (invited) Tomoyoshi Shimobaba, Takayuki Takahashi, Ikuo Hoshi, Fan Wang, Harutaka Shiomi, Takayuki Hara, Takashi Nishitsuji, Takashi Kakue, Atsushi Shiraki, Tomoyoshi Ito "Strategies for the next generation of special-purpose computers for holography",  SPIE/Photonics Asia 108: PA 109: Holography, Diffractive Optics and Applications XII, China (2022)

9. (invited keynote talk) Tomoyoshi Shimobaba, Tomoyoshi Ito, "Overview of recent hologram computation algorithms", The 13th International Conference on Information Optics and Photonics (CIOP2022), China (online) (2022)

10. (invited) Tomoyoshi Shimobaba, Michal Makowski, Takashi Kakue and Tomoyoshi Ito, "Holographic projection using phase-only spatial light modulators", ISOM2022, Hokkaido Japan (2022)

11. Harutaka Shiomi, Tomoyoshi Shimobaba, Takashi Kakue, Tomoyoshi Ito, "Numerical investigation of fast layer hologram calculation with compressing layer images and point spread functions", DH2022

12. M. Makowski, J. Bomba, M. Sypek, T. Shimobaba, T. Ito, A. Stupakiewicz, "Ultrafast, Memory-Less Computation and Rewriting of Complex Holograms in the Opto-Magnetic Medium", DH2022

13. Harutaka Shiomi, Tomoyoshi Shimobaba, Takashi Kakue, Tomoyoshi Ito, "Proposal of a fast computation method with maintaining depth of field using a wavelet transform: WASABI-2", International Workshop on Holography and Related Technologies 2021 (IWH2021), online (11-12, Mar. 2022)

14. Takayuki Hara, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, "Design of Special-Purpose Computer for Incoherent Color Digital Holography", International Workshop on Holography and Related Technologies 2021 (IWH2021), online (11-12, Mar. 2022)