Surveillance systems have been widely applied on power transmission system for security precaution of the major risk
factor that is the construction activity in the vicinity of power transmission line. However, currently used automatic
object detection in surveillance systems suffers from high error rate and has at least two limitations: first, the type of the
object can’t be recognized; second, the dangerous strength of the object cannot be identified. In this paper, we propose a
video surveillance method for the security precaution of power transmission line via the techniques of object recognition
and 3D spatial location detection so that the motion objects are recognized and the position and size of the object are
determined to identify the dangerous strength. Experimental results show that the developed system based on our
proposed method is feasible and practical.
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