On camera sensor density minimization problem for triangular lattice-based deployment in full-view covered camera sensor networks

It has been proved that triangular deployment is the best choice to cover a given area with minimum sensors. In this paper, we investigate in detail the camera sensor density minimization problem for triangular lattice based deployment in full-view covered camera sensor networks. We prove the formula in literature [1] which aims to minimize triangular lattice density is not correct. We then demonstrate a minimization formula for equilateral triangle lattice-based deployment and prove its correctness.