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eess.SP2019
Implementing distributed graph filters by elementary matrix decomposition
Samuel Cheng
In this letter, we consider the implementation problem of distributed graph filters, where each node only has access to the signals of the current and its neighboring nodes. By usi…
eess.SP2018
Undirected graphs: is the shift-enabled condition trivial or necessary?
Liyan Chen, Samuel Cheng, Kanghang He +2
It has recently been shown that, contrary to the wide belief that a shift-enabled condition (necessary for any shift-invariant filter to be representable by a graph shift matrix) c…