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Muroi Lab
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A lab that studies holography, which captures 3D information with ordinary light such as sunlight and LEDs.
AboutAbout the lab
Toward a camera that captures 3D with ordinary light
Muroi Lab studies 3D imaging technology based on incoherent digital holography, which can record holograms with ordinary light such as sunlight and LED lighting.
The lab aims to realize a 3D camera that can be used like a standard 2D camera and can capture 3D information even outdoors.
Research is conducted at the NHK (Japan Broadcasting Corporation) Science & Technology Research Laboratories.
Students can join this lab from the graduate school level.
Key terms
- Hologram
- A record made by interfering light from a subject. It contains 3D information, and an image at any depth can be reconstructed from it by calculation.
- Incoherent digital holography
- A method that can record holograms even with light of low coherence between waves, such as sunlight or LED illumination.
- Light propagation calculation
- A process that calculates how light travels from a recorded hologram in order to reconstruct an image at any desired depth.
ResearchResearch themes
To display realistic 3D images on head-mounted displays, AR glasses, and volumetric displays, a system that can capture 3D information, including the depth and shape of objects, is required. This lab focuses on holography, which can acquire and reproduce ideal 3D information, and aims to build a 3D camera that can be used even for outdoor location shooting.
Holography with natural light
The lab studies a 3D imaging technique that records holograms with ordinary light such as sunlight and LED lighting, instead of the lasers used in conventional holography. Light from the subject is split into two beams, a slight modulation is applied to one of them, and the beams are recombined to produce interference. A light propagation calculation is then applied to the resulting hologram to reconstruct an image at any desired depth.
Improving imaging performance and 3D display
The lab builds and refines hologram imaging systems, working to improve imaging performance through higher image quality, color imaging, and support for video capture. It also works on research that assumes display on 3D displays, creating 3D models from the acquired 3D information.
MembersFaculty
- Affiliated Associate ProfessorTetsuhiko Muroi
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: “3d display - Flickr - Nagyman” Craig Nagy from Vancouver, Canada / CC BY-SA 2.0 (cropped)
- Related lab (Watanabe Lab): “Visa Dove Hologram Rainbow” Dominic Alves / CC BY 2.0 (cropped)
- Related lab (Yamakita Lab): “X-ray Photoelectron Spectroscopy system based on JEOL-4610” Minovich / CC BY-SA 4.0 (cropped)
- Related lab (Isshiki Lab): “Colorless Diamond created by Syntechno LTD” Igor Stratichuk / CC BY-SA 4.0 (cropped)
- Related lab (Masuda Lab): “3D-Laserscanner on tripod” Dr. Schorsch / CC BY-SA 3.0 (cropped)
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