Chapter
Apr 26, 2012
Comparison of Civil Infrastructure Optical-Based Spatial Data Acquisition Techniques
Publication: Computing in Civil Engineering (2007)
Abstract
Infrastructure spatial data, such as the orientation and the location of in place structures and these structures' boundaries and areas, play a very important role for many civil infrastructure development and rehabilitation applications, such as defect detection, site planning, on-site safety assistance and others. In order to acquire these data, a number of modern optical-based spatial data acquisition techniques can be used. These techniques are based on stereo vision, optics, time of flight, etc., and have distinct characteristics, benefits and limitations. The main purpose of this paper is to compare these infrastructure optical-based spatial data acquisition techniques based on civil infrastructure application requirements. In order to achieve this goal, the benefits and limitations of these techniques were identified. Subsequently, these techniques were compared according to applications' requirements, such as spatial accuracy, the automation of acquisition, the portability of devices and others. With the help of this comparison, unique characteristics of these techniques were identified so that practitioners will be able to select an appropriate technique for their own applications.
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© 2007 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Department of Civil and Environmental Engineering, University of Michigan, Ann Arbor, MI. 48109-2125. E-mail: [email protected]
Department of Civil and Environmental Engineering, University of Michigan, Ann Arbor, MI. 48109-2125. E-mail: [email protected]
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