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Osaragi Lab
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The lab uncovers the regularities underlying architecture, cities, and human behavior.
AboutAbout the lab
Uncovering the regularities of architecture, cities, and human behavior
Osaragi Lab studies the relationship between architectural and urban spaces and the behavior of the people in them.
The lab seeks to clarify the regularities between the various environmental elements of a space and people's evaluations and behavioral characteristics.
By systematizing these regularities, the lab aims to build planning theories for architecture and urban planning.
The lab works on a wide range of themes, including architectural planning, urban analytics, regional disaster prevention planning, and spatial information science.
Key terms
- Architectural planning
- A field that considers how buildings are used and arranged, starting from how people use them
- Urban analytics
- Analyzing how people move and how land is used in cities, using data and mathematical models
- Spatial information science
- A field that handles location and map data and analyzes phenomena occurring in space
NewsLab news
A master's student's work was selected for the Outstanding Research Reports of the Kanto Chapter, Architectural Institute of Japan
A master's student received the Young Researcher Outstanding Presentation Award at the Architectural Institute of Japan Annual Meeting
A master's student received the Outstanding Presentation Award at the Annual Conference of the Geographic Information Systems Association of Japan
A master's student received the Young Researchers' Subcommittee Outstanding Presentation Award from the Geographic Information Systems Association of Japan
A master's student received the Student Paper Award at IAG'i
ResearchResearch themes
The lab seeks to clarify the regularities between various environmental elements in architectural and urban spaces and people's evaluations and behavioral characteristics. It measures people's movements with sensors and location data, and evaluates architectural and urban plans using behavioral models and simulation.
*Illustrative imageRoaming Behavior in Commercial Facilities
The lab proposes a method to estimate the three-dimensional indoor movement paths of visitors to large commercial facilities from mobile phone location data. It combines these with visitor attributes such as age and gender to examine their relationship with roaming behavior.
*Illustrative imagePedestrian Models That Account for Groups
To analyze crowd flow, the lab builds pedestrian behavior models that consider not only individual pedestrians but also groups of people walking together. It identifies groups from data measured with laser sensors and validates the models.
*Illustrative imagePsychological Stress and Floor Planning
By monitoring behavior in the outpatient reception area of a hospital, the lab built a pedestrian model based on psychological stress that accounts for the influence of other people and obstacles. By comparing plans with different furniture layouts, it shows a method to support architectural floor planning.
*Illustrative imageUser Behavior in Student Cafeterias
The lab builds a model that describes the whole sequence of behavior in a student cafeteria: choosing a seat, sitting down, staying, and leaving the seat. It examines how seat characteristics and individual attributes affect seat choice and length of stay, and considers new seating layouts.
MembersFaculty
Members of Osaragi Lab consist of faculty, administrative staff, and PhD, master's, and undergraduate students.As of 2026
- ProfessorToshihiro OsaragiPublications ↗
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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: “Alphabet City aerial view” Felton Davis / CC BY 2.0 (cropped)
- Roaming Behavior in Commercial Facilities: “Steeplegate Mall center atrium and skylight” JJBers / CC BY 2.0 (cropped)
- Pedestrian Models That Account for Groups: “The Concourse of TAIYUANNANZHAN Station in Taiyuan 2025 (edited)” Kmchang28 / CC BY-SA 4.0 (cropped)
- Psychological Stress and Floor Planning: “Campbell County Memorial Hospital lobby in Gillette, Wyoming” Mr. Satterly / CC0 (cropped)
- User Behavior in Student Cafeterias: “2013-05 Kuben05” Chell Hill / CC BY-SA 3.0 (cropped)
- Related lab (沖拓弥研究室): “JP-Tokyo-Area-Taken-From-Airplane” Kanchi1979 / CC BY-SA 4.0 (cropped)
- Related lab (松岡研究室): “Delhi Aerial View, Satellite Image, India September 2003” NASA / Public domain (cropped)
- Related lab (斎尾研究室): “Oshu City Maesawa Elementary School Building 202508b” とらもん192 / CC BY 4.0 (cropped)
- Related lab (樋本研究室): “Fire and Flames 0461” Amada44 / CC BY 4.0 (cropped)
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