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US 2015/0317808 A1Published application
Method for Graph Based Processing of Signals
AssigneeMitsubishi Electric Research Laboratories, Inc.
InventorsDong Tian, Hassan Mansour, Andrei Kniazev, Anthony Vetro
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Abstract
A method processes a signal by first constructing a graph from the signal, and then determining a graph matrix from the graph and the signal. A Krylov-based subspace is determined based on the graph matrix and the signal. A filter for the Krylov subspace is determined. The filter transforms the signal to produce a filtered signal, which is output.
Claims20
A method for processing a signal, comprising the ordered steps of:
- constructing a graph from the signal;
- determining a graph matrix from the graph and the signal;
- determining a Krylov-based subspace based on the graph matrix and the signal;
- determining a filter for the Krylov-based subspace, wherein the filter transforms the signal to produce a filtered signal;
- outputting the filtered signal, wherein the steps are performed in a processor.
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