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Signal Recovery

Subspace weighted ℓ2,1 minimization for sparse signal recovery

Subspace weighted ℓ2,1 minimization for sparse signal recovery

... We first address source localization with a uniform linear array (ULA) and a nonuniform linear array (NULA). Then we consider sparse signal recovery problem with the ran- dom basis matrix in the presence of ...

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Multi Resolution Fourier Analysis Part II: Missing Signal Recovery and Observation Results

Multi Resolution Fourier Analysis Part II: Missing Signal Recovery and Observation Results

... Missing signal recovery derived from multi-resolution theory is ...and recovery of missing parts of finite duration signals are in accordance with theoretical ...

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Sparse signal recovery with unknown signal sparsity

Sparse signal recovery with unknown signal sparsity

... the signal sparsity estimated using MDL ...the signal is randomly selected, and the amplitude of the nonzero elements of the sparse signals h are drawn from stan- dard Gaussian ...the signal ...

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Signal Recovery using CλaSH

Signal Recovery using CλaSH

... resolution. Signal recovery algorithms are used to recover the input signal of a system with a known response, and can be used to improve the level of detection of IMS ...A signal ...

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Utility of Percentage Signal Recovery and Baseline Signal in DSC MRI Optimized for Relative CBV Measurement for Differentiating Glioblastoma, Lymphoma, Metastasis, and Meningioma

Utility of Percentage Signal Recovery and Baseline Signal in DSC MRI Optimized for Relative CBV Measurement for Differentiating Glioblastoma, Lymphoma, Metastasis, and Meningioma

... rCBV and higher PSR than glioblastoma and metastases; how- ever, we found that the PSR is not strictly better than rCBV at differentiating PCNSL from other types of tumors. While PSR differentiated PCNSL from metastasis ...

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Array signal recovery algorithm for a single RF channel DBF array

Array signal recovery algorithm for a single RF channel DBF array

... array signal recovery algorithm based on sparse signal reconstruction theory is proposed for a single-RF-channel digital beamforming (DBF) ...

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Error bounds of block sparse signal recovery based on q ratio block constrained minimal singular values

Error bounds of block sparse signal recovery based on q ratio block constrained minimal singular values

... sparse signal recovery in compressive sensing: (i) we establish a sufficient condition based on the q-ratio block sparsity for the exact recovery from the noise-free block BP (BBP) and develop a ...

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Speech Signal Recovery Based on Source Separation and Noise Suppression

Speech Signal Recovery Based on Source Separation and Noise Suppression

... In this paper, a speech signal recovery algorithm is presented for a personalized voice command automatic recognition system in vehicle and restaurant environments. This novel algorithm is able to separate ...

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A Signal Recovery Approach with Block Compressive Sensing Based on Image Steganalysis

A Signal Recovery Approach with Block Compressive Sensing Based on Image Steganalysis

... Abstract. In this work, we firstly investigate directional lifting wavelet transform (DLWT) as a sparse representation of images. Then a block compressive sensing (BCS) measurement matrix is designed by using the ...

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Improved iterative shrinkage thresholding for sparse signal recovery via Laplace mixtures models

Improved iterative shrinkage thresholding for sparse signal recovery via Laplace mixtures models

... plex signal prior is used: (1) it can be hard to estimate the model parameters and (2) the optimal estimators may not have simple closed form solution and their com- putation may require high computational work ...

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Photonic machine learning implementation for signal recovery in optical communications

Photonic machine learning implementation for signal recovery in optical communications

... amplitude signal and fed into the photonic reservoir as a microwave modulating signal, as presented in ...transmission signal. Moreover, the polarization state of the received signal after ...

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PAM-4 transmission at 1550 nm using photonic reservoir computing post-processing

PAM-4 transmission at 1550 nm using photonic reservoir computing post-processing

... address signal recovery in optical communication systems [31], [32], while later other RC topologies have also been tested for signal equalization from optical transmission systems [33], ...

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Spatio-Temporal Structured Sparse Regression With Hierarchical Gaussian Process Priors

Spatio-Temporal Structured Sparse Regression With Hierarchical Gaussian Process Priors

... S PARSE regression problems arise often in various ap- plications, e.g., compressive sensing [1], EEG source localisation [2] and direction of arrival estimation [3]. In all these applications, a dictionary of basis ...

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Output-Only Vibration-Based Monitoring of Civil Infrastructure via Sub-Nyquist/Compressive Measurements Supporting Reduced Wireless Data Transmission

Output-Only Vibration-Based Monitoring of Civil Infrastructure via Sub-Nyquist/Compressive Measurements Supporting Reduced Wireless Data Transmission

... Sparse recovery assuming a DFT expansion basis, as well as an empirically specified level of sparsity was applied to the compressed data to estimate the response acceleration power spectral density (PSD) ...Sparse ...

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Singular spectrum based matrix completion for time series recovery and prediction

Singular spectrum based matrix completion for time series recovery and prediction

... matrix recovery (MC) assumes a random sam- pling of the matrix ...of signal recovery problems including collaborative spec- trum sensing [19], sensor localization [20, 21], and image reconstruction ...

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Suitability of bilateral filtering for edge-preserving noise reduction in PET

Suitability of bilateral filtering for edge-preserving noise reduction in PET

... (signal recovery still higher) than for a MAF filter of comparable noise reduction and, moreover, that the pro- blem actually only arises for lesions which at the given SNR are hardly identifiable at all in ...

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Model-based sparse recovery method for automatic classification of helicopters

Model-based sparse recovery method for automatic classification of helicopters

... sparse signal model for radar return from a helicopter is developed and by means of the theory of sparse signal recovery, the characteristic parameters of the target are extracted and used for the ...

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Recovery of the 6 year signal in length of day and its long term decreasing trend

Recovery of the 6 year signal in length of day and its long term decreasing trend

... 6-year signal be clear, firstly, we have to extract accurately the 6-year signal and study its own nature variation features precisely (including its instantaneous ampli- tude, phase, and periodic), in both ...

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Enhancing Received Signal Strength Based Localization through Coverage Hole Detection and Recovery

Enhancing Received Signal Strength Based Localization through Coverage Hole Detection and Recovery

... Radio Signal Strength Indicator (RSSI)-based localization application [24–29], whose task is to locate objects according to the disturbance of the objects to several communication ...

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Comparative Study on Sparse and Recovery Algorithms for Antenna Measurement by Compressed Sensing

Comparative Study on Sparse and Recovery Algorithms for Antenna Measurement by Compressed Sensing

... Traditional antenna measurements become more challenging as technology develops. In order to obtain test results quickly and efficiently, the CS method for the far-field region of an antenna measurement system is applied. ...

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