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In this paper, we propose a system that automatically detects and recognizes road signs found in the United States, in real time or close to real-time. The proposed system has application to intelligent autonomous unmanned vehicles for urban surveillance and rescue. It is a multi-layered hierarchical scheme composed of 3 parts: road sign color segmentation, shape recognition, and classification. The...
This paper introduces a mobile robot named QuadTrack-III developed for urban search and rescue. This robot has four modular tracks which can be driven and lifted independently. Thus the configuration of the robot can be varied for adapting to uneven terrain. Each modular track consists of two sprockets with an attachment chain and two BLDC motors are embedded in the track module. It also includes...
Un-manned systems have rapidly increased both in number and versatility. Their missions can now range from surveillance to bomb disposal and Urban Search and Rescue. This has opened up an unprecedented number of venues for research; and now, the research is not only limited to proof of concept, but has advanced to improving the systems. The earlier versions of such robots that were put into the field...
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