Articles with "digital holographic" as a keyword



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Digital Holographic Technique based Breast Cancer Detection using Transfer Learning Method.

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Published in 2023 at "Journal of biophotonics"

DOI: 10.1002/jbio.202200359

Abstract: The Digital Holographic technique is an interferometric method that provides comprehensive information on morphological traits such as cell layer thickness and shape as well as access to biophysical attributes of cells like refractive index, dry… read more here.

Keywords: technique based; digital holographic; transfer learning; holographic technique ... See more keywords
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Digital Holographic Imaging as a Method for Quantitative, Live Cell Imaging of Drug Response to Novel Targeted Cancer Therapies.

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Published in 2019 at "Methods in molecular biology"

DOI: 10.1007/978-1-4939-9769-5_12

Abstract: Digital holographic imaging (DHI) is a noninvasive, live cell imaging technique that enables long-term quantitative visualization of cells in culture. DHI uses phase-shift imaging to monitor and quantify cellular events such as cell division, cell… read more here.

Keywords: cell imaging; live cell; holographic imaging; digital holographic ... See more keywords
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Calcite dissolution rate spectra measured by in situ digital holographic microscopy.

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Published in 2017 at "Geochimica et cosmochimica acta"

DOI: 10.1016/j.gca.2017.07.001

Abstract: Digital holographic microscopy in reflection mode is used to track in situ, real-time nanoscale topography evolution of cleaved (104) calcite surfaces exposed to flowing or static deionized water. The method captures full-field holograms of the… read more here.

Keywords: topography; microscopy; holographic microscopy; digital holographic ... See more keywords
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Quantitative evaluation of morphological changes in activated platelets in vitro using digital holographic microscopy.

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Published in 2018 at "Micron"

DOI: 10.1016/j.micron.2018.06.011

Abstract: Platelet activation and aggregation have been conventionally evaluated using an aggregometer. However, this method is suitable for short-term but not long-term quantitative evaluation of platelet aggregation, morphological changes, and/or adhesion to specific materials. The recently… read more here.

Keywords: morphological changes; microscopy; digital holographic; platelet ... See more keywords
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Phase compensation in digital holographic microscopy using a quantitative evaluation metric

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Published in 2019 at "Optics Communications"

DOI: 10.1016/j.optcom.2018.08.061

Abstract: Abstract This study presents a simple metric to quantitatively evaluate the compensation of phase distortions in digital holographic microscopy. The metric calculates the difference between the minimum and maximum values in an unwrapped phase image.… read more here.

Keywords: microscopy; holographic microscopy; digital holographic; phase compensation ... See more keywords
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Dual wavelength digital holographic imaging of layered structures.

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Published in 2020 at "Optics communications"

DOI: 10.1016/j.optcom.2019.124793

Abstract: We present a dual wavelength digital holographic technique for three-dimensional microscopic imaging of layered structures, where layers are separated from one another by the axial distances exceeding the wavelength of imaging light. Our methodology not… read more here.

Keywords: wavelength digital; imaging layered; digital holographic; layered structures ... See more keywords
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Noise suppression using quasi-phase conjugation in digital holographic microscopy

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Published in 2021 at "Optics Communications"

DOI: 10.1016/j.optcom.2020.126701

Abstract: Abstract Various approaches for generating phase-conjugate signal have been recently proposed that exploit the advantage of noise suppression in digital holographic microscopy (DHM). This study presents a reproducible method for generating a time-independent quasi-phase conjugated… read more here.

Keywords: phase; microscopy; holographic microscopy; digital holographic ... See more keywords
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Digital holographic image fusion for a larger size object using compressive sensing

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Published in 2017 at "Optics and Lasers in Engineering"

DOI: 10.1016/j.optlaseng.2016.12.010

Abstract: Abstract Digital holographic imaging fusion for a larger size object using compressive sensing is proposed. In this method, the high frequency component of the digital hologram under discrete wavelet transform is represented sparsely by using… read more here.

Keywords: image; using compressive; digital holographic; size ... See more keywords
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Phase aberration compensation for digital holographic microscopy based on double fitting and background segmentation

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Published in 2019 at "Optics and Lasers in Engineering"

DOI: 10.1016/j.optlaseng.2018.12.001

Abstract: Abstract We propose a purely automatic and accurate phase aberration compensation method in digital holographic microscopy for phase-contrast imaging of living cells. At first, a least-squares fitting procedure is implemented to correct a large proportion… read more here.

Keywords: phase aberration; microscopy; holographic microscopy; digital holographic ... See more keywords
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Automatic detection and counting of phase objects in raw holograms of digital holographic microscopy via deep learning

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Published in 2019 at "Optics and Lasers in Engineering"

DOI: 10.1016/j.optlaseng.2019.02.010

Abstract: Abstract A method to automatically detect and count phase objects in off-axis digital holographic microcopy (DHM) is presented. While traditional procedures to detect and count microscopic objects in DHM require a reconstruction stage, our proposal… read more here.

Keywords: microscopy; objects raw; digital holographic; phase objects ... See more keywords
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Study of skin rigidity variations due to UV radiation using digital holographic interferometry

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Published in 2020 at "Optics and Lasers in Engineering"

DOI: 10.1016/j.optlaseng.2019.105909

Abstract: Abstract The skin elasticity is a relevant biomechanical property that can be related to different physiological processes and diseases: hence, it is important to understand and characterize the mechanisms that affect the skin pathologies. In… read more here.

Keywords: rigidity variations; digital holographic; skin; study ... See more keywords