Pseudoinverse matrix methods for signal reconstruction from partial data
- 1 November 1991
- proceedings article
- Published by SPIE-Intl Soc Optical Eng
- p. 766-772
- https://doi.org/10.1117/12.50390
Abstract
The usefulness of the concept of a pseudo-inverse matrix to problems in signal processing is emphasized. It is shown how pseudo-inverse matrices can be used to describe the projection of a signal onto the subspace generated by a finite family of basis signals, which need not be linear independent. The connection to the theory of frames, the one-step POCS method, and Cunningham projection onto repetitive bases are explained, among others.Keywords
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