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Spectral folding and two-channel filter-banks on arbitrary graphs
[article]
2020
arXiv
pre-print
In the past decade, several multi-resolution representation theories for graph signals have been proposed. Bipartite filter-banks stand out as the most natural extension of time domain filter-banks, in part because perfect reconstruction, orthogonality and bi-orthogonality conditions in the graph spectral domain resemble those for traditional filter-banks. Therefore, many of the well known orthogonal and bi-orthogonal designs can be easily adapted for graph signals. A major limitation is that
arXiv:2010.12604v1
fatcat:w3ayynz7w5hhlmkhvma7dnqrbe