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Distributed Augmented Reality for Visualizing Collaborative Construction Tasks
Authors:Amin Hammad  Hui Wang  Sudhir P Mudur
Affiliation:1Associate Professor, Concordia Institute for Information Systems Engineering, Concordia Univ., 1455 De Maisonneuve Blvd. West, Montreal, QC, Canada H3G 2W1 (corresponding author). E-mail: hammad@ciise.concordia.ca
2Graduate Research Student, Dept. of Computer Science and Software Engineering, Concordia Univ., 1455 De Maisonneuve Blvd. West, Montreal, QC, Canada H3G 1M8. E-mail: hui_wa@encs.concordia.ca
3Professor, Dept. of Computer Science and Software Engineering, Concordia Univ., 1455 De Maisonneuve Blvd. West, Montreal, QC, Canada H3G 1M8. E-mail: mudur@cs.concordia.ca
Abstract:Augmented reality is a visualization method in which virtual objects are aligned with the real world and the viewer can interact with the virtual objects in real time. In this paper, a new methodology called distributed augmented reality for visualizing collaborative construction tasks (DARCC) is proposed. Using this methodology, virtual models of construction equipment can be operated and viewed by several operators to interactively simulate construction activities on the construction site in augmented reality mode. The paper investigates the design issues of DARCC including tracking and registration, object modeling, engineering constraints, and interaction and communication methods. The DARCC methodology is implemented in a prototype system and tested in a case study about a bridge deck rehabilitation project.
Keywords:Construction management  Global positioning  Transformations  Graphic methods  
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