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Electronic Information Systems Lab
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The lab works on electronic information systems and creates 3D images with holography.
AboutAbout the lab
Creating 3D images through computation
The Electronic Information Systems Lab conducts research using electronic information technology.
Its current focus is electronically controlling holography, said to be the ultimate 3D imaging technology, to build next-generation imaging and visualization systems such as 3D televisions and 3D microscopes.
Faster computation is essential to achieving this.
To that end, the lab also develops its own custom hardware starting from LSI circuit design, and builds parallel systems using highly parallel processors such as GPUs.
Key terms
- Holography
- A technology that creates a 3D image by recording both the amplitude and phase of light and reproducing the original light as it was
- Computer-generated hologram
- A hologram created by computation, instead of by shining light on a real object and recording it
- Integral photography
- A 3D photography method that arranges small lenses to record not only the intensity of light but also the direction in which it travels
NewsLab news
Students won the Grand Prize and an Excellence Award at the Chiba Prefecture Open Data Ideathon/Hackathon
Prof. Ito received the FY2026 Futaba Electronics Memorial Foundation Eto-Hosoya Memorial Award
Students were commended by the University President and the Dean of the Faculty of Engineering
Students won first place at the 29th LSI Design Contest
Students received the Student Symposium Excellent Presentation Award at the HODIC Student Symposium 2026
ResearchResearch themes
The lab studies how to handle holography electronically and create 3D images through computation. Its topics span a wide range, from computer-generated holograms, 3D displays, and digital holography to their applications.
*Illustrative imageHORN: Special-Purpose Computers for Holography
In electronic holography, a major challenge is reproducing 3D images in real time. To realize 3D television, the lab has been developing HORN, a special-purpose computer that calculates computer-generated holograms, since 1992.
*Illustrative imageCrepe and Stamp Algorithm
The look-up table method, which precomputes the wavefronts of point light sources, stores them in memory, and reads them out for each calculation, is fast but requires a very large amount of memory. This algorithm compresses and decompresses the wavefront data, greatly reducing memory use and also speeding up computation.
*Illustrative imageIntegral Photography
Holography is poorly suited to recording under natural light, which is a barrier to realizing 3D television. The lab uses integral photography, which can capture images under natural light and record both the intensity and direction of light, to create electronic holograms from live-action video. It works on improving the image quality, viewing angle, and computation speed of the reconstructed images.
*Illustrative imageAerial Projection Display
Most of what is called a “3D hologram” in the world is an aerial projection that floats an image using a half mirror, and the image itself is two-dimensional. The lab is developing a system that reproduces holographic 3D images on the spot, using a simple device that combines a concave mirror with holography.
MembersFaculty
The lab's members are faculty, interns, and students in the doctoral program, master's program, and undergraduate program.As of 2026
- ProfessorTomoyoshi Ito
- ProfessorTomoyoshi Shimobaba
- Assistant ProfessorFan Wang
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Light Man” Harris,Ken / CC BY-SA 4.0 (cropped)
- HORN: Special-Purpose Computers for Holography: “Icezum Alhambra Open FPGA electronic board” Eladio Delgado Mingorance / CC BY-SA 4.0 (cropped)
- Crepe and Stamp Algorithm: “VERSAbus memory card.agr” ArnoldReinhold / CC BY-SA 3.0 (cropped)
- Integral Photography: “Lenticular-Stereogram” Koperczak (talk) 14:30, 31 March 2009 (UTC) / Public domain (cropped)
- Aerial Projection Display: “Peppers Ghost” Bertrand (no first name given) / Public domain (cropped)
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