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   Articles with "interferometric phase" as a keyword



Non-interferometric phase retrieval using refractive index manipulation

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recommendations! Published in 2017 at "Scientific Reports"

DOI: 10.1038/srep46223

Abstract: We present a novel, inexpensive and non-interferometric technique to retrieve phase images by using a liquid crystal phase shifter without including any physically moving parts. First, we derive a new equation of the intensity-phase relation… read more here.

Keywords: phase; phase shifter; interferometric phase; non interferometric ... See more keywords

Interferometric phase diagram generation method based on dot trace texture information and semantic segmentation of correlation coefficients

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recommendations! Published in 2024 at "Geocarto International"

DOI: 10.1080/10106049.2024.2364678

Abstract: Abstract This paper proposes a method for generating interferometric phase diagrams, which includes interferometric image registration based on Dot Trace Texture Information (DTTI) and interferometric phase filtering based on semantic segmentation. First, the InSAR images… read more here.

Keywords: trace texture; interferometric phase; phase; dot trace ... See more keywords
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Label-free, high-throughput holographic imaging to evaluate mammalian gametes and embryos

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recommendations! Published in 2024 at "Biology of Reproduction"

DOI: 10.1093/biolre/ioae057

Abstract: Abstract Assisted reproduction is one of the significant tools to treat human infertility. Morphological assessment is the primary method to determine sperm and embryo viability during in vitro fertilization cycles. It has the advantage of… read more here.

Keywords: quantitative phase; phase microscopy; microscopy; interferometric phase ... See more keywords

Role of indistinguishability in interferometric phase estimation

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recommendations! Published in 2019 at "Physical Review A"

DOI: 10.1103/physreva.100.062125

Abstract: We report a theoretical and experimental study on the role of indistinguishability in the estimation of an interferometric phase. In particular, we show that the quantum Fisher information, which limits the maximum precision achievable in… read more here.

Keywords: estimation; role indistinguishability; interferometric phase; indistinguishability ... See more keywords

Airborne InSAR Interferometric Phase Analysis, Unwrapping Method, and Fast Implementation in Low Coherence Areas

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recommendations! Published in 2020 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2020.3020148

Abstract: Due to synthetic aperture radar (SAR) imaging geometry and scattering characteristics, there are some low coherence areas in interferometric SAR (InSAR) data, such as shadow and water, where the interferometric phase is discontinuous. Therefore, it… read more here.

Keywords: low coherence; unwrapping method; coherence areas; interferometric phase ... See more keywords

An Unsupervised CNN-Based Multichannel Interferometric Phase Denoising Method Applied to TomoSAR Imaging

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recommendations! Published in 2023 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2023.3263964

Abstract: Tomographic synthetic aperture radar (TomoSAR) is an advanced SAR interferometric technique to retrieve 3-D spatial information. However, the standard deviation in the reconstructed elevation could be high due to the noise in the interferometric phases,… read more here.

Keywords: multichannel interferometric; interferometric phase; phase; phase denoising ... See more keywords
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Coastal Altimetry Using Interferometric Phase From GEO Satellite in Quasi-Zenith Satellite System

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recommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2021.3068376

Abstract: Global navigation satellite system reflectometry (GNSS-R) altimetry has great potential to provide high spatial–temporal resolution sea surface heights (SSHs) at low cost. Interferometric phase measurements between direct and reflected signals can be used for altimetry… read more here.

Keywords: altimetry; satellite; geo; interferometric phase ... See more keywords

Towards Robustness and Efficiency of Coherence-Guided Complex Convolutional Sparse Coding for Interferometric Phase Restoration

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recommendations! Published in 2024 at "IEEE Transactions on Computational Imaging"

DOI: 10.1109/tci.2024.3393760

Abstract: Recently, complex convolutional sparse coding (ComCSC) has demonstrated its effectiveness in interferometric phase restoration, owing to its prominent performance in noise mitigation and detailed phase preservation. By incorporating the estimated coherence into ComCSC as prior… read more here.

Keywords: interferometric phase; sparse coding; coherence; convolutional sparse ... See more keywords

Interferometric Phase Optimization Based on PolInSAR Total Power Coherency Matrix Construction and Joint Polarization-Space Nonlocal Estimation

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recommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"

DOI: 10.1109/tgrs.2021.3053278

Abstract: Interferometric phase optimization is important key processing for ensuring the application performance of interferometric synthetic aperture radar (InSAR) technology. The noise’s standard deviation depends on the number of looks and the coherence magnitude. Usually, the… read more here.

Keywords: phase optimization; interferometric phase; polarization; phase ... See more keywords

Learning Convolutional Sparse Coding on Complex Domain for Interferometric Phase Restoration

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recommendations! Published in 2021 at "IEEE Transactions on Neural Networks and Learning Systems"

DOI: 10.1109/tnnls.2020.2979546

Abstract: Interferometric phase restoration has been investigated for decades and most of the state-of-the-art methods have achieved promising performances for InSAR phase restoration. These methods generally follow the nonlocal filtering processing chain, aiming at circumventing the… read more here.

Keywords: phase restoration; sparse coding; interferometric phase; convolutional sparse ... See more keywords

An Accurate Permittivity Measurement Using Interferometric Phase Noise Averaging for Terahertz Imaging

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recommendations! Published in 2018 at "IEEE Transactions on Terahertz Science and Technology"

DOI: 10.1109/tthz.2018.2803445

Abstract: We propose a permittivity measurement system that uses an interferometric phase noise averaging method with multiple tones with an optimal frequency interval. The permittivity is measured by a free space method using terahertz continuous waves… read more here.

Keywords: interferometric phase; measurement; phase noise; permittivity ... See more keywords