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• W2099157788 startingPage "021006" @default.
• W2099157788 abstract "We introduce a robust image-formation approach for through-the-wall radar imaging (TWRI). The proposed approach consists of two stages involving compressive sensing (CS) followed by delay-and-sum (DS) beamforming. In the first stage, CS is used to reconstruct a complete set of measurements from a small subset collected with a reduced number of transceivers and frequencies. DS beamforming is then applied to form the image using the reconstructed measurements. To promote sparsity of the CS solution, an overcomplete Gabor dictionary is employed to sparsely represent the imaged scene. The new approach requires far fewer measurement samples than the conventional DS beamforming and CS-based TWRI methods to reconstruct a high-quality image of the scene. Experimental results based on simulated and real data demonstrate the effectiveness and robustness of the proposed two-stage image formation technique, especially when the measurement set is drastically reduced." @default.
• W2099157788 created "2016-06-24" @default.
• W2099157788 creator A5042839412 @default.
• W2099157788 creator A5050488362 @default.
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• W2099157788 date "2013-01-25" @default.
• W2099157788 modified "2023-09-24" @default.
• W2099157788 title "Two-stage through-the-wall radar image formation using compressive sensing" @default.
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• W2099157788 doi "https://doi.org/10.1117/1.jei.22.2.021006" @default.
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