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In this paper, we present an efficient edge chain detection algorithm by applying the Helmholtz principle on the gradient magnitude map of an image. An edge chain validation method is proposed which uses the “relative number of false alarms” (RNFA) instead of the traditional “number of false alarms” (NFA). The edge chains are detected first and then validated according to their RNFA values. In this...
The low density signature (LDS) technique which is able to support massive connectivity with non-orthogonal low density signatures is a promising multiple access (MA) scheme in future 5G systems. We firstly examine the theory of evidence to illustrate the weakness of the update rule for the message passing algorithm in LDS detection process. The combination results against the common sense (RACS)...
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