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Imaging Dynamics Be...
Imaging Dynamics Beneath Turbid Media via Parallelized Single-Photon Detection
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- Xu, Shiqi (författare)
- Duke University
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- Yang, Xi (författare)
- Duke University
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- Liu, Wenhui (författare)
- Duke University,Tsinghua University
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- Jönsson, Joakim (författare)
- Lund University,Lunds universitet,Förbränningsfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Combustion Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Qian, Ruobing (författare)
- Duke University
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- Konda, Pavan Chandra (författare)
- Duke University
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- Zhou, Kevin C. (författare)
- Duke University
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- Kreiß, Lucas (författare)
- Friedrich-Alexander University Erlangen-Nürnberg,Duke University
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- Wang, Haoqian (författare)
- Tsinghua University
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- Dai, Qionghai (författare)
- Tsinghua University
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- Berrocal, Edouard (författare)
- Lund University,Lunds universitet,Förbränningsfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,LTH profilområde: Avancerade ljuskällor,LTH profilområden,LTH profilområde: Energiomställningen,Combustion Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,LTH Profile Area: Photon Science and Technology,LTH Profile areas,Faculty of Engineering, LTH,LTH Profile Area: The Energy Transition,Faculty of Engineering, LTH
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- Horstmeyer, Roarke (författare)
- Duke University
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(creator_code:org_t)
- 2022-06-24
- 2022
- Engelska.
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Ingår i: Advanced Science. - : Wiley. - 2198-3844. ; 9:24
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Noninvasive optical imaging through dynamic scattering media has numerous important biomedical applications but still remains a challenging task. While standard diffuse imaging methods measure optical absorption or fluorescent emission, it is also well-established that the temporal correlation of scattered coherent light diffuses through tissue much like optical intensity. Few works to date, however, have aimed to experimentally measure and process such temporal correlation data to demonstrate deep-tissue video reconstruction of decorrelation dynamics. In this work, a single-photon avalanche diode array camera is utilized to simultaneously monitor the temporal dynamics of speckle fluctuations at the single-photon level from 12 different phantom tissue surface locations delivered via a customized fiber bundle array. Then a deep neural network is applied to convert the acquired single-photon measurements into video of scattering dynamics beneath rapidly decorrelating tissue phantoms. The ability to reconstruct images of transient (0.1–0.4 s) dynamic events occurring up to 8 mm beneath a decorrelating tissue phantom with millimeter-scale resolution is demonstrated, and it is highlighted how the model can flexibly extend to monitor flow speed within buried phantom vessels.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Nyckelord
- deep imaging
- dynamic scattering
- single-photon avalanche diode array
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Xu, Shiqi
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Yang, Xi
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Liu, Wenhui
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Jönsson, Joakim
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Qian, Ruobing
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Konda, Pavan Cha ...
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visa fler...
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Zhou, Kevin C.
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Kreiß, Lucas
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Wang, Haoqian
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Dai, Qionghai
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Berrocal, Edouar ...
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Horstmeyer, Roar ...
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visa färre...
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