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Tsumura Lab
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A lab that analyzes and reproduces skin, material appearance, and emotion using images and computer graphics.
AboutAbout the lab
Exploring skin, material appearance, and emotion through image and computer graphics technologies
The Tsumura Lab aims to analyze, record, and reproduce "ultra-high-dimensional information," centered on computer graphics and images, and to realize its applications.
With an emphasis on practical, applied research, the lab values joint research with companies and patenting, and carries out its research in four groups: skin, material appearance, emotion, and biomedical engineering.
The skin group does joint research with a cosmetics company, and the material appearance group does joint research with a company.
The biomedical engineering group works on medical applications of image processing and measurement, in frequent contact with practicing physicians.
Key terms
- Material appearance
- The visual impression a surface gives of an object, such as gloss, roughness, and graininess.
- Heart rate variability
- The variation over time in the intervals between heartbeats.
- Light scattering
- A phenomenon in which light changes direction in many different ways, for example inside a material.
ResearchResearch themes
The Tsumura Lab aims to analyze, record, and reproduce information centered on computer graphics and images, and to realize its applications. Four groups, covering skin, material appearance, emotion, and biomedical engineering, carry out research in collaboration with companies and physicians.
*Illustrative imageSimulating how skin looks
The lab investigates how age spots appear when blood flow changes by simulating light scattering. It is also working with a cosmetics company on simulating how the face changes with age.
*Illustrative imageMaterial appearance, down to gloss and roughness
Now that color can be reproduced at a high level, the lab studies how to control gloss, roughness, and graininess in addition to color. The material appearance group does joint research with a company.
*Illustrative imageEstimating emotion from video without contact
It is known that heart rate and heart rate variability are strongly linked to human emotion. The lab studies how to extract these values by processing video images and to estimate emotion without touching the person.
*Illustrative imageMedical applications of image processing and measurement
The aim is to apply engineering technologies, including image processing and measurement, to medicine. The lab is in frequent contact with practicing physicians and carries out more specialized research.
MembersFaculty
The members of the Tsumura Lab are faculty, advisors, researchers, PhD, master's, and undergraduate students, and secretaries.As of 2026
- Associate ProfessorNorimichi Tsumura
- Project Associate ProfessorMasato Takahashi
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: “Rendering techniques example, spectral, photon mapping, POV-Ray” KaiaVintr / CC BY-SA 4.0 (cropped)
- Simulating how skin looks: “Image skin texture” 作者不詳 / CC0 (cropped)
- Material appearance, down to gloss and roughness: “Angled Concrete Surface Texture DTXR-ST-7” Shadowmeld Photography / CC BY-SA 4.0 (cropped)
- Estimating emotion from video without contact: “Facial expressions - The Cartoonist's Art” J. Campbell Cory / Public domain (cropped)
- Medical applications of image processing and measurement: “Diagnostic Imaging and Radiology Facility in Navi Mumbai, Maharashtra, India” Goleisureintl / CC BY-SA 4.0 (cropped)
- Related lab (Mizokami-Sato Lab): “Farnsworth–Munsell Hue Color Vision Test, Material and Finishing Laboratory” Gabriela P. / CC BY 4.0 (cropped)
- Related lab (Shioda Lab): “Exam time queue university library Aarhus 02” Ciara Ní Riain / CC BY-SA 4.0 (cropped)
- Related lab (Ishiyama Lab): “NCCS Discover Supercomputer (GSFC )” NASA Goddard Space Flight Center / NASA/GSFC/Bill Hrybyk / Public domain (cropped)
- Related lab (Kishimoto Lab): “Enigma (crittografia) - Museo scienza e tecnologia Milano” Alessandro Nassiri / CC BY-SA 4.0 (cropped)
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