Articles with "structural sparsity" as a keyword



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Deconvolving distribution of relaxation times, resistances and inductance from electrochemical impedance spectroscopy via statistical model selection: Exploiting structural-sparsity regularization and data-driven parameter tuning

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Published in 2019 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2019.05.010

Abstract: Abstract The distribution of relaxation times (DRT) has drawn increasing attention for interpreting electrochemical impedance spectroscopy (EIS). Deconvolution of DRT from EIS is a challenging ill-posed problem that requires regularization methods. In this work, we… read more here.

Keywords: model selection; spectroscopy; impedance; structural sparsity ... See more keywords
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Nonhomogeneous Noise Removal From Side-Scan Sonar Images Using Structural Sparsity

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Published in 2019 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2019.2895843

Abstract: The image quality of side-scan sonar (SSS) is determined by its operating frequency. SSS operating at a low frequency produces low-quality images due to high levels of noise. This noise is randomly generated from a… read more here.

Keywords: nonhomogeneous noise; scan sonar; side scan; structural sparsity ... See more keywords