Results 21 to 30 of about 857,162 (283)
Virtual optofluidic time-stretch quantitative phase imaging
APL Photonics, 2020 Optofluidic time-stretch quantitative phase imaging (OTS-QPI) is a potent tool for biomedical applications as it enables high-throughput QPI of numerous cells for large-scale single-cell analysis in a label-free manner.
Haochen Yan +7 more
doaj +1 more source
Deep learning assisted variational Hilbert quantitative phase imaging
Opto-Electronic Science, 2023 We propose a high-accuracy artifacts-free single-frame digital holographic phase demodulation scheme for relatively low-carrier frequency holograms—deep learning assisted variational Hilbert quantitative phase imaging (DL-VHQPI).
Zhuoshi Li +9 more
doaj +1 more source
Real time blood testing using quantitative phase imaging. [PDF]
PLoS ONE, 2013 We demonstrate a real-time blood testing system that can provide remote diagnosis with minimal human intervention in economically challenged areas. Our instrument combines novel advances in label-free optical imaging with parallel computing. Specifically,
Hoa V Pham +4 more
doaj +1 more source
Applied Sciences, 2018 Quantitative phase imaging can reveal morphological features without having to stain the biological sample. This property has important implications for intraoperative applications since the time spent during histopathology can be reduced from a few ...
Daniel Claus +5 more
doaj +1 more source
Coherence-encoded synthetic aperture for super-resolution quantitative phase imaging
APL Photonics, 2022 Quantitative phase imaging (QPI) has quickly established its role in identifying rare events and screening in biomedicine or automated image data analysis using artificial intelligence.
Miroslav Ďuriš +3 more
doaj +1 more source
Harmonically matched grating-based full-field quantitative high-resolution phase microscope for observing dynamics of transparent biological samples [PDF]
, 2007 We have developed a full-field high resolution quantitative phase imaging technique for observing dynamics of transparent biological samples. By using a harmonically matched diffraction grating pair (600 and 1200 lines/mm), we were able to obtain non ...
Heng, Xin +3 more
core +1 more source
A simplified approach to quantitative coded aperture X-ray phase imaging [PDF]
, 2013 We recently demonstrated how quantitative X-ray phase contrast imaging may be performed with laboratory sources using the coded aperture technique. This technique required the knowledge of system parameters such as, for example, the source focal spot ...
Hagen, CK +3 more
core +1 more source
Motion-resolved quantitative phase imaging
Biomedical Optics Express, 2018 The temporal resolution of quantitative phase imaging with Differential Phase Contrast (DPC) is limited by the requirement for multiple illumination-encoded measurements. This inhibits imaging of fast-moving samples. We present a computational approach to model and correct for non-rigid sample motion during the DPC acquisition in order to improve ...
Michael Kellman +4 more
openaire +4 more sources
Adaptive dynamic range shift (ADRIFT) quantitative phase imaging
Light: Science & Applications, 2021 Quantitative phase imaging: Sensitivity boost A scheme that significantly enhances the sensitivity of quantitative phase imaging (QPI) could help benefit a range of applications in optical imaging and sensing.
Keiichiro Toda +2 more
doaj +1 more source
Inverse scattering for reflection intensity phase microscopy [PDF]
, 2019 Reflection phase imaging provides label-free, high-resolution characterization of biological samples, typically using interferometric-based techniques.
Chaumet, Patrick C. +4 more
core +3 more sources