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Watanabe Lab
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A lab that reshapes how reality appears using high-speed imaging technology.
AboutAbout the lab
Capturing and controlling moments the eye cannot see
The Watanabe Lab researches augmenting reality through advanced visual sensing.
The key is speed that exceeds human perception.
The lab works on projection mapping that captures and controls instants invisible to the eye, overlaying images precisely onto moving objects.
It also develops high-speed projectors and 3D measurement devices.
Key terms
- Projection mapping
- A technology that projects images matched to an object's shape and movement to change how it looks.
- Visual sensing
- Capturing light with cameras and similar devices and using a computer to read the shape and motion of a target.
- Path tracing
- A rendering method that produces photorealistic images by calculating the paths along which light travels.
NewsLab news
Master's and undergraduate students received the Outstanding Student Award from the Department of Information and Communications Engineering
A chapter on dynamic projection was written for an international book on material appearance
Research on projection-based makeup published in an international academic journal
A master's student received the Outstanding Presentation Award at the Department of Information and Communications Engineering research proposal presentation
Master's and undergraduate students received the Outstanding Student Award from the Department of Information and Communications Engineering
ResearchResearch themes
The lab aims to observe targets and control light at speeds beyond human perception. It studies dynamic projection mapping, which overlays images onto moving objects, as well as the high-speed projectors and sensing devices that support it.
*Illustrative imageDynamic Projection for Greater Realism
A method that brings rendering techniques such as path tracing into projection onto moving objects. It exploits the fact that noisy images projected at high speed are integrated in perception, achieving realistic appearance with low latency.
*Illustrative imageFace-Tracking Projection
A single high-speed camera recognizes the position and expression of a face without markers, and a high-speed projector projects imagery matched to that movement. It follows movements such as turning the head, talking, and laughing, and can change the appearance of the face's surface.
*Illustrative imageProjection That Fuses Reality and Unreality
Light is manipulated at speeds beyond the limits of human perception to overlay digital appearances onto objects that deform or move. The projected image changes according to the 3D structure and motion of the surface, reproducing the gloss and surface relief of materials different from the real one.
*Illustrative imageDeveloping High-Speed Projectors
The lab has developed DynaFlash, a projector that can switch images extremely fast. It has built a new model that switches color images at high speed and combines it with 3D tracking that runs at the same speed.
MembersFaculty
The Watanabe Lab consists of faculty members and doctoral, master's, and undergraduate students.As of 2026
- Associate ProfessorYoshihiro WatanabePublications ↗
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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: “Mapping a l'Hospital de Sant Pau - 1 de gener” Jordiferrer / CC BY-SA 4.0 (cropped)
- Dynamic Projection for Greater Realism: “Rendering techniques example, path tracing, realistic, Blender Cycles” KaiaVintr / CC BY-SA 4.0 (cropped)
- Face-Tracking Projection: “Thomas Voillaume et Florent Girardot, Face, Illuminart, )” art_inthecity from Montréal, CA / CC BY 2.0 (cropped)
- Projection That Fuses Reality and Unreality: “Adam Pizurny Faces Projected at FILE Electronic Language International Festival 2017 São Paulo Brazil” ArtistAmyKarle1 / CC BY-SA 4.0 (cropped)
- Developing High-Speed Projectors: “Video projector SHARP notevision 5 XG-NV5XE tri LCD optical sub-assembly” Fil22plm / CC BY-SA 4.0 (cropped)
- Related lab (佐々
木研究室): “Intel-pentium-ii-dixon-die-shot-high-resolution-stitched” Martijn Boer / Public domain (cropped) - Related lab (本村・藤木研究室): “Freescale MPC8245 integrated processor die shot” Martijn Boer / Public domain (cropped)
- Related lab (Thiem研究室): “Circuit Board closeup ( )” Dennis van Zuijlekom / CC BY-SA 2.0 (cropped)
- Related lab (府川研究室): “Cell-Tower” J.smith
（英語版ウィキペディアの 投稿者） / CC BY-SA 2.5 (cropped)
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