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- W3004966133 abstract "With its aim to reduce the amount of sensed data and to improve the energy efficiency, compressive sensing (CS) is recently witnessing a growing research interest in remote-sensing applications. The Fourier transform domain plays a significant role as a signal-processing tool and the sparsity domain for the CS-reconstruction methods. A generalized expression for the error in the reconstruction of nonuniformly sampled, approximately sparse, or nonsparse, noisy signals in the Fourier domain is presented in this letter. This expression holds for a wide range of practically important nonuniform signal-sampling strategies, covering the uniform and completely random sampling as the special cases. Additive noise and noise-folding effects are included in the analysis. Statistical examples and two real-world examples validate the presented theory." @default.
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- W3004966133 date "2021-01-01" @default.
- W3004966133 modified "2023-09-26" @default.
- W3004966133 title "Reconstruction Error in Nonuniformly Sampled Approximately Sparse Signals" @default.
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- W3004966133 doi "https://doi.org/10.1109/lgrs.2020.2968137" @default.
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