Effects of Enhanced Image Quality in Infrastructure Monitoring through Micro Aerial Vehicle Stabilization

Abstract : Traditional monitoring of large infrastructure such as towers of churches or for cooling, chimneys or any other type of tall buildings can require extreme effort and hence become very risky and costly since it mainly requires people to be moved around. An interesting alternative in that regard is the use of rotary wing micro aerial vehicles (MAV) equipped with sensors such as digital cameras to capture series of images and stitch them on to a 3D model. However the images recorded always have Ònoiseî which is caused by the vehicle movement during the inspection process. Experiments have been carried out using a multi-rotor copter with an off the shelf camera for building inspection (aerial photography) for years. To validate the effect of MAV flight stabilization a vector thrust principle recently developed at Saarland University (patent application in progress) has been implemented onto a MAV for flight stabilization. The paper describes the procedure of MAV-based infrastructure monitoring as well as the image stitching process in general before explaining the vector thrust design principle and the enhancements achieved in terms of image resolution and processing.
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Le Cam, Vincent and Mevel, Laurent and Schoefs, Franck. EWSHM - 7th European Workshop on Structural Health Monitoring, Jul 2014, Nantes, France. 2014
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Chung-Hsin Kuo, Sébastien Kanlanjan, Louis Pagès, Hanadi Menzel, Sascha Power, et al.. Effects of Enhanced Image Quality in Infrastructure Monitoring through Micro Aerial Vehicle Stabilization. Le Cam, Vincent and Mevel, Laurent and Schoefs, Franck. EWSHM - 7th European Workshop on Structural Health Monitoring, Jul 2014, Nantes, France. 2014. 〈hal-01020419〉

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