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Based on Gaussian mixture model and background difference, a novel moving object region detection method is presented for static camera surveillance. First of all, the adaptive threshold is used to get background difference image. Secondly, by analyzing the connected domain and setting a threshold, the influence of the noise in the difference image is(More)
Wireless sensor networks, which are energy limited, low hardware configuration and proneness to invalidation, puts a high demand on the positioning algorithm. Therefore the improved multidimensional scaling (IMDS) algorithm is proposed. In IMDS, firstly, local positioning areas (LPA) are established by an adaptive search algorithm. So the centralized(More)
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