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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 18 of 18 for “"quantitative phase imaging (QPI)"”.
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High throughput platform for multiscale quantitative phase imaging
Quantitative phase imaging (QPI) yields the spatial phase map of the object’s scattering potential. QPI has enabled unprecedented label-free studies in biomedicine, ranging from cell dynamics and growth to cancer diagnosis and prognosis. The field is currently transitioning from technology-driven …
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Phase imaging with computational specificity for cell biology applications
Recent advancements in quantitative phase imaging (QPI) and deep learning have opened up an exciting frontier. It has been shown that deep learning methods, with their ability to extract intricate structures from massive raw datasets, can be applied to both interpreting QPI measurements of …
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Applications of quantitative phase imaging for pathology
… of a wide-spread screening program. Quantitative phase imaging (QPI) of unstained tissue provides information on the refractive index distribution, or tissue morphology, with nanometer level sensitivity. Subtle morphological changes in both the epithelial and stromal regions of …
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Quantitative phase imaging for cellular biology
… the ability to measure a large number of cells. Quantitative phase imaging (QPI) is an emerging field that addresses this need. New quantitative phase imaging modalities have emerged that provide highly sensitive information on cellular growth, motility, dynamics and spatial organization. These …
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Neural Networks For Phase Demodulation In Optical Interferometry
… NNs to optical interferometry for the purpose of quantitative phase imaging (QPI). We show that NNs are capable of quantifying the optical pathlength difference in an interferogram with sensitivities that achieve the fundamental limit given by the Cramér-Rao bound (CRB). As an application, we …
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High Resolution Phase Imaging using Transport of Intensity Equation
Quantitative phase Imaging(QPI) has emerged as a valuable tool for imaging specimens with weak scattering and absorbing abilities such as cells and tissues. It is complementary to fluorescence microscopy, as such, it can be applied to unlabelled specimens without the need for fluorescent tagging. …
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Quantitative phase imaging : a study from 2D to 3D
In this thesis, quantitative phase imaging (QPI) techniques including 2D and 3D versions are investigated and presented. With QPI, biophysical and biochemical information of transparent biological micro-specimens can be measured and quantified. 2D quantitative phase maps of cell samples on the one …
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Computational high-throughput phase imaging
Quantitative phase imaging (QPI) is a remarkable modality for its wide range of potentials in studying biological structures without exogenous labeling. QPI utilizes the optical phase delay across the sample, instead of the image intensity, as the image contrast mechanism to provide highly …
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Real-time quantitative phase imaging for cell studies
… have been developed to improve contrast in cell imaging, including use of exogenous contrast agents such as fluorescence microscopy, as well as utilizing properties of light-specimen interaction for optics design, to reveal the endogenous contrast, such as phase contrast microscopy (PCM) and …
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High-sensitivity Full-field Quantitative Phase Imaging Based on Wavelength Shifting Interferometry
Quantitative phase imaging (QPI) is a category of imaging techniques that can retrieve the phase information of the sample quantitatively. QPI features label-free contrast and non-contact detection. It has thus gained rapidly growing attention in biomedical imaging. Capable of resolving biological …
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Quantitative phase imaging: advances to 3D imaging and applications to neuroscience
This thesis provides a brief overview of quantitative phase imaging (QPI) methods along with applications and advances made on them. First, spatial light interference microscopy (SLIM) is introduced as a QPI method extensively used in this thesis. Using this setup, an application of QPI in …
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Diffraction phase microscopy for applications in materials science
Quantitative phase imaging (QPI) is a flourishing new field which has recently found tremendous success in the life sciences. QPI utilizes not only the amplitude of the imaging field, but also its phase, in order to provide quantitative topographical and/or refractive index data. As fields from the …
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Interferometric light microscopy for wafer defect inspection and three-dimensional object reconstruction
… microcopy, called epi-illumination diffraction phase microscopy (epi-DPM), to measure both the phase and amplitude of the scattered field from the wafer. To detect deep sub-wavelength defects, we further reduced the noise in the images by developing an image post-processing method, called 2DISC …
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Label-free breast histopathology using quantitative phase imaging
… analysis methods for automated diagnosis. A quantitative, label-free and automatable microscopic modality for breast cancer diagnosis is, thus, needed to address these shortcomings in the standard method. Furthermore, prognostic biomarkers are important tools used by clinicians in order …
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Computational phase imaging for biomedical applications
When a sample is illuminated by an imaging field, its fingerprints are left on the amplitude and the phase of the emerging wave. Capturing the information of the wavefront grants us a deeper understanding of the optical properties of the sample, and of the light-matter interaction. While the …
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Prostate tissue diagnosis using quantitative phase imaging techniques
Restriction data tranferred 2014-07-01T11:20:34-05:00 Original Data Group with Access UIUC Users [automated] Release Date: 2015-08-22 11:49:27 UTC Reason: Author requested U of Illinois access only (OA after 2yrs) in Vireo ETD system
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Spatial light interference microscopy (slim) measurements of hypothermia in an experimental cellular model of traumatic brain injury
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-12-04 without embargo terms
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Gradient light interference microscopy for imaging strongly scattering samples
… broadband optical fields in conjunction with phase-shifting interferometry to extract high-resolution and high-contrast structures from otherwise cloudy images. We construct our system from a differential interference contrast microscope, demonstrating our new modality in transmission and …