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Paper Abstract and Keywords
Presentation 2025-07-25 14:15
Where Does 'There' Begin and End? -- Toward Interactive Determination of Spatial Boundaries in Virtual Twin Development --
Saizo Aoyagi (Komazawa Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Virtual twins are immersive 3D models designed to replicate real-world locations. Creating effective virtual twins requires not only objective accuracy but also alignment with users' cognitive maps. Traditional methods for capturing cognitive maps, such as sketch maps, encounter challenges such as high cognitive load and limitations inherent in 2D representations. To address these issues, this study proposes "3D Selection Map," a novel approach that simplifies cognitive map acquisition by enabling users to intuitively select buildings while navigating a virtual 3D environment. In a comparative evaluation conducted in Shibuya with six participants, the proposed method demonstrated superior performance by representing a greater number of buildings across a wider area, achieving a higher correspondence rate compared to conventional techniques.
Keyword (in Japanese) (See Japanese page) 
(in English) Virtual Twin / Cognitive Map / 3D City Model / Sketch Map / / / /  
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Conference Information
Committee SMC  
Conference Date 2025-07-24 - 2025-07-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) spatial media conference 2025 
Paper Information
Registration To SMC 
Conference Code 2025-07-SMC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Where Does 'There' Begin and End? 
Sub Title (in English) Toward Interactive Determination of Spatial Boundaries in Virtual Twin Development 
Keyword(1) Virtual Twin  
Keyword(2) Cognitive Map  
Keyword(3) 3D City Model  
Keyword(4) Sketch Map  
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1st Author's Name Saizo Aoyagi  
1st Author's Affiliation Komazawa University (Komazawa Univ.)
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Speaker Author-1 
Date Time 2025-07-25 14:15:00 
Presentation Time 15 minutes 
Registration for SMC 
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