Results 141 to 150 of about 858,901 (185)

Introducing the Special Issue on Label-Free Quantitative Phase Imaging Honoring Prof. Gabriel Popescu, a Pioneer in Biomedical Optics. [PDF]

J Biomed Opt
Boppart SA, Best-Popescu CA, Bartels RA, Eliceiri K.   +3 more
europepmc   +1 more source

TIE-GANs: single-shot quantitative phase imaging using transport of intensity equation with integration of GANs. [PDF]

J Biomed Opt
Thapa V, Galande AS, Ram GHP, John R.
europepmc   +1 more source

Spatially-coded Fourier ptychography: flexible and detachable coded thin films for quantitative phase imaging with uniform phase transfer characteristics. [PDF]

Adv Opt Mater
Wang R, Yang L, Lee Y, Sun K, Shen K, Zhao Q, Wang T, Zhang X, Liu J, Song P, Zheng G.   +10 more
europepmc   +1 more source

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Quantitative phase imaging unit

Optics Letters, 2014
A simple and cost-effective method is presented for quantitative phase imaging. A common-path lateral phase shifting interferometer is realized through attaching a compact filter set to the output port of an existing microscope. The working principles, design criteria, and limitations are also derived and explained.
KyeoReh, Lee, YongKeun, Park
openaire   +3 more sources

Phase Resolution Measurement in Quantitative Phase Imaging

Frontiers in Optics + Laser Science 2023 (FiO, LS), 2023
Small-phase-difference mask structures are fabricated and tested to estimate the phase resolution measurable in quantitative phase imaging.
O. Joseph Ibiyemi, Benjamin Panuski, Shengtao Yu, Pranav P. Kulkarni, Thomas K. Gaylord   +4 more
openaire   +1 more source

Quantitative phase imaging for medical diagnosis

Journal of Biophotonics, 2016
Optical microscopy is an indispensable diagnostic tool in modern healthcare. As a prime example, pathologists rely exclusively on light microscopy to investigate tissue morphology in order to make a diagnosis. While advances in light microscopy and contrast markers allow pathologists to visualize cells and tissues in unprecedented detail, the ...
Majeed, Hassaan, Sridharan, Shamira, Mir, Mustafa, Ma, Lihong, Min, Eunjung, Jung, Woonggyu, Popescu, Gabriel   +6 more
openaire   +3 more sources

Scaling down quantitative phase imaging

Nature Photonics, 2020
Quantitative phase gradient images can now be captured in a single shot thanks to the use of two layers of compact, multifunctional dielectric metasurfaces.
YoonSeok Baek, YongKeun Park
openaire   +1 more source

Quantitative Phase Imaging Flow Cytometry

Biomedical Optics and 3-D Imaging, 2012
This paper introduces a fluidics based focus-stack collecting microscope. Images from the focus stacks are used to reconstruct the quantitative phase of red blood cells in flow with the Transport-of-Intensity-Equation method.
Sai Siva Gorthi, Ethan Schonbrun
openaire   +1 more source

Real-time Quantitative Phase Imaging

Optics in the Life Sciences, 2013
Using new advances in quantitative phase imaging and parallel computing, we demonstrate a real-time blood testing system that can provide remote diagnosis with minimal human intervention in economically challenging areas.
Hoa V. Pham, Basanta Bhaduri, Krishnarao Tangella, Catherine Best-Popescu, Gabriel Popescu   +4 more
openaire   +1 more source

Quantitative ultrasonic phased array imaging

AIP Conference Proceedings, 2014
When imaging with ultrasonic phased arrays, what do we actually image? What quantitative information is contained in the image? Ad-hoc delay-and-sum methods such as the synthetic aperture focusing technique (SAFT) and the total focusing method (TFM) fail to answer these questions.
Brady J. Engle, Lester W. Schmerr, Jr., Alexander Sedov   +2 more
openaire   +1 more source