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Adaptive One-bit Quantization for SAR Imaging
2019 International Conference on Microwave and Millimeter Wave Technology (ICMMT), 2019Recently, one-bit compressed sensing (CS) with time-varying thresholds has received lots of attentions. In this study, we propose a novel one-bit compressed sensing synthetic aperture radar (SAR) imaging method with adaptive quantization in which the thresholds are updated adaptively, and the Logistic Regression algorithm with $L_{1}$ norm ...
Hao Han +4 more
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Handwriter identification from one-bit quantized pressure patterns
Pattern Recognition, 1985Abstract The timing information contained in the on/off paper motions of handwriting is analyzed for its applicability to the problem of handwriter identification. Three different experiments on a data base of ten signatures from nine individuals are analyzed in terms of Type I and Type II error probabilities.
Kuno Peter Zimmermann, M. J. Varady
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Wideband source localization using one-bit quantized arrays
2017 IEEE 7th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP), 2017We consider the problem of source localization with signals that are quantized to a single bit. While this problem has been previously addressed for narrowband signals quantized in complex baseband, we consider wideband signals quantized directly in the time domain. We adapt the generalized cross correlation estimator to work with quantized signals and
Ryan M. Corey, Andrew C. Singer
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A Distributed Compressed Sensing Scheme Based on One-Bit Quantization
2014 IEEE 79th Vehicular Technology Conference (VTC Spring), 2014For multi-node networks, a distributed compressed sensing scheme based on one-bit quantization is proposed, where signals at each node consist of common component and innovation component. To reduce the transmission cost, each node derives the measurements as the sign information of the compressed samples by using one-bit quantization.
Yun Tian 0003 +3 more
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Second-order distributed consensus with one-bit adaptive quantization
2012 12th International Conference on Control Automation Robotics & Vision (ICARCV), 2012In order to improve the accuracy and the convergence rate of distributed consensus under quantized communication, in the paper, based on one-bit adaptive quantization scheme, we propose the second-order distributed consensus to update the state of every node by the present quantized values and the previous quantized values of the adjacency nodes.
Huanxin Peng +3 more
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A Rotation-Aided Arctangent Phase Discriminator With One-Bit Quantization
IEEE Signal Processing Letters, 2016In this letter, we present a rotation-aided arctangent phase discriminator (RaAPD) with one-bit analog-to-digital conversion. Different from the existing digital phase discriminator (DPD) and noise-balanced digital phase discriminator (NB-DPD), the proposed RaAPD can achieve higher accuracy and better noise robust features through utilizing an extra ...
Yu Ye 0001 +2 more
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One-bit quantization of computer-stored spectra
Analytica Chimica Acta, 1988Abstract The behavior of reconstructed spectra after application of one-bit quantization in comparison to the usual absorption-type spectra in modern computerized Fourier-transform spectroscopy is re-investigated. By means of a “synthetic” and an experimental 13 C-F.t.-n.m.r.
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Optimal one-bit quantizers are asymmetric for additive uniform noise
2017 Information Theory and Applications Workshop (ITA), 2017In this paper, we consider one-bit output quantization of an amplitude bounded input-signal subject to arbitrary additive noise. Capacity is then represented in various ways, each demonstrating that finding the optimum quantization threshold q is an extremely difficult problem.
Gholamreza Alirezaei, Rudolf Mathar
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Some Results on Stochastic Resonance in One-Bit Quantizers
2007 IEEE International Conference on Signal Processing and Communications, 2007Stochastic Resonance (SR) is a phenomenon that occurs in certain non-linear systems in which noise can be used to improve the system response [L. Gammaitoni, 1998]. A recent approach to quantizer design has employed Stochastic Resonance by randomizing the threshold of the quantizer (Stochastic Thresholding).
Farzad Talebi +2 more
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Unlimited Sampling via One-Bit Quantization
2023 International Conference on Sampling Theory and Applications (SampTA), 2023Arian Eamaz +3 more
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