Construction and visualization of photo-realistic three-dimensional digital city

This paper presents systematic approaches to create photo-realistic three-dimensional (3D) digital city systems. In the created 3D digital city systems, prismatic and polyhedral building models are constructed from assorted remote sensing and spatial datasets, including topographic maps, aerial and...

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Main Authors: Fuan Tsai, Tea-Ann Teo, Liang-Chien Chen, Szu-Jen Chen
Format: Conference Proceeding
Language:English
Subjects:
Buildings
Cities and towns
Clouds
Hazards
Image generation
Laser radar
Remote sensing
Satellites
Video sequences
Visualization
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creator Fuan Tsai
Tea-Ann Teo
Liang-Chien Chen
Szu-Jen Chen
description This paper presents systematic approaches to create photo-realistic three-dimensional (3D) digital city systems. In the created 3D digital city systems, prismatic and polyhedral building models are constructed from assorted remote sensing and spatial datasets, including topographic maps, aerial and satellite images, airborne and ground-based LIDAR point clouds. Close-ranged digital photographs and video sequences are used to generate facade texture images for photo-realistic texture mapping of the constructed building models. High performance visualization algorithms based on Level of Detail (LOD) processes are also implemented for real-time, interactive exploration and applications. A few applications of the constructed 3D digital cities to urban development evaluation, environmental simulation, hazard mitigation and crime scene reconstruction are presented to demonstrate the usability of the developed 3D digital city system.
doi_str_mv 10.1109/URS.2009.5137674
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language eng
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source IEEE Xplore All Conference Series
subjects Buildings
Cities and towns
Clouds
Hazards
Image generation
Laser radar
Remote sensing
Satellites
Video sequences
Visualization
title Construction and visualization of photo-realistic three-dimensional digital city
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