The Physics of Compressive Sensing and the Gradient-Based Recovery Algorithms

Abstract

The physics of compressive sensing (CS) and the gradient-based recovery algorithms are presented. First, the different forms for CS are summarized. Second, the physical meanings of coherence and measurement are given. Third, the gradient-based recovery algorithms and their geometry explanations are provided. Finally, we conclude the report and give some suggestion for future work.

7 pages, 11 Figures. It is a research report which has not been published in any Journal or Conference

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