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A Vision System for Monitoring Intermodal Freight Trains

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6 Author(s)
Kumar, A. ; Dept. of Electr. & Comput. Eng., Illinois Univ., Urbana, IL ; Ahuja, N. ; Hart, J.M. ; Visesh, U.K.
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We describe the design and implementation of a vision based Intermodal Train Monitoring System (ITMS) for extracting various features like length of gaps in an intermodal (IM) train which can later be used for higher level inferences. An intermodal train is a freight train consisting of two basic types of loads - containers and trailers. Our system first captures the video of an IM train, and applies image processing and machine learning techniques developed in this work to identify the various types of loads as containers and trailers. The whole process relies on a sequence of following tasks -robust background subtraction in each frame of the video, estimation of train velocity, creation of mosaic of the whole train from the video and classification of train loads into containers and trailers. Finally, the length of gaps between the loads of the IM train is estimated and is used to analyze the aerodynamic efficiency of the loading pattern of the train, which is a critical aspect of freight trains. This paper focusses on the machine vision aspect of the whole system

Published in:

Applications of Computer Vision, 2007. WACV '07. IEEE Workshop on

Date of Conference:

Feb. 2007