Search Results - "Preza, Chrysanthe"
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Image restoration for three-dimensional fluorescence microscopy using an orthonormal basis for efficient representation of depth-variant point-spread functions
Published in Biomedical optics express (01-10-2015)“…A depth-variant (DV) image restoration algorithm for wide field fluorescence microscopy, using an orthonormal basis decomposition of DV point-spread functions…”
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2
Performance evaluation of extended depth of field microscopy in the presence of spherical aberration and noise
Published in Journal of biomedical optics (01-03-2018)“…Effectiveness of extended depth of field microscopy (EDFM) implementation with wavefront encoding methods is reduced by depth-induced spherical aberration (SA)…”
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3
Greedy Ensemble Hyperspectral Anomaly Detection
Published in Journal of imaging (28-05-2024)“…Hyperspectral images include information from a wide range of spectral bands deemed valuable for computer vision applications in various domains such as…”
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4
Quantitative phase microscopy through differential interference imaging
Published in Journal of biomedical optics (01-03-2008)“…An extension of Nomarski differential interference contrast microscopy enables isotropic linear phase imaging through the combination of phase shifting, two…”
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5
Rotational-diversity phase estimation from differential-interference-contrast microscopy images
Published in Journal of the Optical Society of America. A, Optics, image science, and vision (01-03-2000)“…An iterative phase-estimation method for the calculation of a specimen's phase function or optical-path-length (OPL) distribution from…”
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6
Point-spread function engineering to reduce the impact of spherical aberration on 3D computational fluorescence microscopy imaging
Published in Optics express (07-11-2011)“…Wavefront encoding (WFE) with different cubic phase mask designs was investigated in engineering 3D point-spread functions (PSF) to reduce their sensitivity to…”
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7
Fluorescence microscopy point spread function model accounting for aberrations due to refractive index variability within a specimen
Published in Journal of biomedical optics (01-07-2015)“…A three-dimensional (3-D) point spread function (PSF) model for wide-field fluorescence microscopy, suitable for imaging samples with variable refractive index…”
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Three-dimensional block-based restoration integrated with wide-field fluorescence microscopy for the investigation of thick specimens with spatially variant refractive index
Published in Journal of biomedical optics (30-04-2016)“…Development of a block-based restoration (BBR) method that addresses spatially variant (SV) imaging in wide-field fluorescence microscopy of thick samples is…”
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9
Tunable-frequency three-dimensional structured illumination microscopy with reduced data-acquisition
Published in Optics express (12-11-2018)“…The performance of a tunable three-dimensional (3D) structured illumination microscope (SIM) system and its ability to provide simultaneously super-resolution…”
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10
Characterization of a three-dimensional double-helix point-spread function for fluorescence microscopy in the presence of spherical aberration
Published in Journal of biomedical optics (01-03-2013)“…We characterize the three-dimensional (3-D) double-helix (DH) point-spread function (PSF) for depth-variant fluorescence microscopy imaging motivated by our…”
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11
Impact of Regularization on Achieved Resolution in 3d Tunable Structured Illumination Microscopy (TSIM)
Published in 2024 IEEE International Symposium on Biomedical Imaging (ISBI) (27-05-2024)“…We present a study that evaluates the impact of regularization on the achieved resolution in restorations from a novel threedimensional (3D) Structured…”
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Conference Proceeding -
12
Management of the axial modulation of the illumination pattern in structured illumination microscopy using an extended illumination source
Published in Optics express (23-10-2023)“…We have designed and implemented an approach for three-dimensional (3D) structured illumination (SI) microscopy (SIM) based on a quasi-monochromatic extended…”
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13
Image restoration approach to address reduced modulation contrast in structured illumination microscopy
Published in Biomedical optics express (01-04-2018)“…The performance of structured illumination microscopy (SIM) is hampered in many biological applications due to the inability to modulate the light when imaging…”
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14
Improved resolution in 3D structured illumination microscopy using 3D model-based restoration with positivity-constraint
Published in Biomedical optics express (01-12-2021)“…The performance of structured illumination microscopy (SIM) systems depends on the computational method used to process the raw data. In this paper, we present…”
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15
Reducing effects of aberration in 3D fluorescence imaging using wavefront coding with a radially symmetric phase mask
Published in Optics express (13-06-2016)“…In this work, a wavefront encoded (WFE) imaging system built using a squared cubic phase mask, designed to reduce the sensitivity of the imaging system to…”
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16
A Smart Health (sHealth)-Centric Method toward Estimation of Sleep Deficiency Severity from Wearable Sensor Data Fusion
Published in BioMedInformatics (01-12-2021)“…Sleep deficiency impacts the quality of life and may have serious health consequences in the long run. Questionnaire-based subjective assessment of sleep…”
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17
Space-variant image formation for 3D fluorescence microscopy using a computationally efficient block-based model
Published in 2015 IEEE 12th International Symposium on Biomedical Imaging (ISBI) (01-04-2015)“…This study is an initial attempt to address space-variant (SV) image formation in 3D fluorescence microscopy using a computationally tractable block-based…”
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Conference Proceeding -
18
Depth-variant maximum-likelihood restoration for three-dimensional fluorescence microscopy
Published in Journal of the Optical Society of America. A, Optics, image science, and vision (01-09-2004)“…We derive an algorithm for maximum-likelihood image estimation on the basis of the expectation-maximization (EM) formalism by using a new approximate model for…”
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19
Investigation of unsupervised and supervised hyperspectral anomaly detection
Published 13-08-2024“…Hyperspectral sensing is a valuable tool for detecting anomalies and distinguishing between materials in a scene. Hyperspectral anomaly detection (HS-AD) helps…”
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20
Impact of regularization on achieved resolution in 3D tunable structured illumination microscopy (TSIM)
Published 20-03-2024“…We present a study that evaluates the impact of regularization on the achieved resolution in restorations from a novel three-dimensional (3D) Structured…”
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Journal Article