Abstract

AbstractFull view is an important subject in the study of wireless camera sensor coverage. It involves three issues, camera direction selection, camera location selection, and moving-directional target coverage. In this paper, we study them step by step, from one issue, two issue, to three issues. In each step, we formulate a group set cover- age problem, and study its computational complexity and approximation solutions. Especially, we employ a new type of approximations, the global approximation of local optimality for nonsubmodular optimization.

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