The Network Nullspace Property for Compressed Sensing of Big Data over Networks

11 May 2017  ·  Alexander Jung, Madelon Hulsebos ·

We present a novel condition, which we term the net- work nullspace property, which ensures accurate recovery of graph signals representing massive network-structured datasets from few signal values. The network nullspace property couples the cluster structure of the underlying network-structure with the geometry of the sampling set... Our results can be used to design efficient sampling strategies based on the network topology. read more

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