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Noncontact simultaneous dual wavelength photoplethysmography: A further step toward noncontact pulse oximetry

Kenneth Humphreys, Tomas Ward, Charles Markham
<span title="">2007</span> <i title="AIP Publishing"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/cnjzqiomx5bvfkyfzuscxpmlly" style="color: black;">Review of Scientific Instruments</a> </i> &nbsp;
This process is the basis of pulse oximetry, and we describe how, with the inclusion of a calibration procedure, this system could be used as a noncontact pulse oximeter to measure arterial oxygen saturation  ...  The system comprises a complementary metal-oxide semiconductor camera and dual wavelength array of light emitting diodes ͑760 and 880 nm͒.  ...  FIG. 1 . 1 Illustration of noncontact dual wavelength PPG system, depicting illumination and imaging geometry, relative timing of events ͑upper inset͒, and arrangement of LED array ͑lower inset͒.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1063/1.2724789">doi:10.1063/1.2724789</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/17477684">pmid:17477684</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/2kwceajgqnaujmgckmb4qghyui">fatcat:2kwceajgqnaujmgckmb4qghyui</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20170811211525/http://eprintsprod.nuim.ie/1354/1/TWken_rev_instr.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/51/b5/51b5fde10e32762f594936a24a9167b5e2f1b2de.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1063/1.2724789"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

The Impact of Flash Intensity on Retinal Vessel Oxygen Saturation Measurements Using Dual Wavelength Oximetry

Rebekka Heitmar, Robert Peter Cubbidge
<span title="2013-04-17">2013</span> <i title="Association for Research in Vision and Ophthalmology (ARVO)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/bktgmrvaorcfle3nbaxcwpsb44" style="color: black;">Investigative Ophthalmology and Visual Science</a> </i> &nbsp;
To establish the optimal flash settings for retinal vessel oxygen saturation parameters using dual-wavelength imaging in a multiethnic group. METHODS.  ...  The impact of flash intensity on retinal vessel oxygen saturation measurements using dual wavelength oximetry. Invest Ophthalmol Vis Sci. PURPOSE.  ...  Once pupils were fully dilated, oximetry images were taken using a fundus camera (Carl Zeiss Meditec) with a dual-wavelength filter (Imedos Systems, Jena, Germany).  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1167/iovs.12-10493">doi:10.1167/iovs.12-10493</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/23493292">pmid:23493292</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/2uwcp4yswbduxpdpql3dg6rkii">fatcat:2uwcp4yswbduxpdpql3dg6rkii</a> </span>
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A remote approach to measure blood perfusion from the human face

Jia Zheng, Sijung Hu, Angelos S. Echiadis, Vince Azorin-Peris, Ping Shi, Vasilios Chouliaras, Anita Mahadevan-Jansen, Tuan Vo-Dinh, Warren S. Grundfest
<span title="2009-02-12">2009</span> <i title="SPIE"> Advanced Biomedical and Clinical Diagnostic Systems VII </i> &nbsp;
ACKNOWLEDGEMENT The authors are grateful to all the members in the Photonics Engineering and Health Technology Research Group of Loughborough University for their enthusiastic support.  ...  Also, the authors would like to thank the financial support of Loughborough University (2006)(2007)(2008).  ...  Illustration of the remote PPG imaging system, depicting illumination and imaging geometry, relative timing signals, and RCLED arrangement of the dual-wavelength ring light (upper insets).  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1117/12.807354">doi:10.1117/12.807354</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/jjxcxgh4fndxjk3vcp3wl3limm">fatcat:jjxcxgh4fndxjk3vcp3wl3limm</a> </span>
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Photoplethysmography Revisited: From Contact to Noncontact, From Point to Imaging

Yu Sun, Nitish Thakor
<span title="">2016</span> <i title="Institute of Electrical and Electronics Engineers (IEEE)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/nrcoa2vuhjcvfctty6zgus57um" style="color: black;">IEEE Transactions on Biomedical Engineering</a> </i> &nbsp;
The introduction of fast digital cameras into clinical imaging monitoring and diagnosis systems, the desire to reduce the physical restrictions, and the possible new insights that might come from perfusion  ...  Its ease of use, low cost and convenience make it an attractive area of research in the biomedical and clinical communities.  ...  Sijung Hu and Dr. Vicente Azorin-Peris from Loughborough University for their contributions to this work.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/tbme.2015.2476337">doi:10.1109/tbme.2015.2476337</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/26390439">pmid:26390439</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC4822420/">pmcid:PMC4822420</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/bvlvwjoanbggjnldlm23wxjy4i">fatcat:bvlvwjoanbggjnldlm23wxjy4i</a> </span>
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Noninvasive assessment of hemodynamic and brain metabolism parameters following closed head injury in a mouse model by comparative diffuse optical reflectance approaches

David Abookasis, Boris Volkov, Ariel Shochat, Itamar Kofman
<span title="2016-05-09">2016</span> <i title="SPIE-Intl Soc Optical Eng"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/5nspzi7dnrakfng3ccbyybymou" style="color: black;">Neurophotonics</a> </i> &nbsp;
After induction of closed head injury upon anesthetized mice by weight-drop method, significant changes in hemoglobin oxygen saturation, blood flow, and metabolism were readily detectible by all three  ...  The long-term goal of this line of study is to combine these optical systems to study brain pathophysiology in high spatiotemporal resolution using additional models of brain trauma.  ...  All near-infrared (NIR, 650 to 1000 nm) optical imaging systems that monitor hemodynamic parameters of biological tissue such as hemoglobin concentration and oxygen saturation levels, as well as structural  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1117/1.nph.3.2.025003">doi:10.1117/1.nph.3.2.025003</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/27175372">pmid:27175372</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC4860005/">pmcid:PMC4860005</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/wdf6pfcoynd4bmus6f3xnejrym">fatcat:wdf6pfcoynd4bmus6f3xnejrym</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20201107080319/https://www.spiedigitallibrary.org/journals/Neurophotonics/volume-3/issue-2/025003/Noninvasive-assessment-of-hemodynamic-and-brain-metabolism-parameters-following-closed/10.1117/1.NPh.3.2.025003.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/5b/7b/5b7b88b3bdddb17d87c5bc8d8a2fd3e1313c429b.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1117/1.nph.3.2.025003"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> Publisher / doi.org </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4860005" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Development of effective photoplethysmographic measurement techniques: From contact to non-contact and from point to imaging

Sijung Hu, V.A. Peris, A. Echiadis, Jia Zheng, Ping Shi
<span title="">2009</span> <i title="IEEE"> 2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society </i> &nbsp;
Configuration of Imaging Photoplethysmography The IPPG system as shown in Fig. 4 , a custom built dual-wavelength RCLED ring light source (λ1: 650 nm, λ2: 870 nm) with a parabolic reflector (DIA: 18 cm  ...  by noncontact means is only limited by the current configuration of the system.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/iembs.2009.5334505">doi:10.1109/iembs.2009.5334505</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/19964902">pmid:19964902</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/4brdj6l5avernbqelmian4dngy">fatcat:4brdj6l5avernbqelmian4dngy</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20190414135547/https://core.ac.uk/download/pdf/2742119.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/ba/54/ba54ce9d8274b224009c62a54f20b6ca93387db1.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/iembs.2009.5334505"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> ieee.com </button> </a>

Retinal Vessel Oxygen Saturation Measurement Protocols and Their Agreement

Rebekka Heitmar, Robert P. Cubbidge
<span title="2020-05-19">2020</span> <i title="Association for Research in Vision and Ophthalmology (ARVO)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/mjiukmfs3je7hjvixzur5tuxwq" style="color: black;">Translational Vision Science &amp; Technology</a> </i> &nbsp;
Retinal oximetry measurements were acquired from 87 healthy volunteers using the IMEDOS Systems oxygen module.  ...  To assess agreement between different image sizes and analysis protocols for determination of retinal vessel oxygen saturation in the peripapillary retina of healthy individuals.  ...  Acknowledgments The authors thank Richard Armstrong for his invaluable advice on statistical methods and for critically reviewing the manuscript. Disclosure: R. Heitmar, None; R.P. Cubbidge, None  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1167/tvst.9.6.17">doi:10.1167/tvst.9.6.17</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/32821514">pmid:32821514</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC7409221/">pmcid:PMC7409221</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/nuy3lgkzkbdufjfnctcj6xjv4e">fatcat:nuy3lgkzkbdufjfnctcj6xjv4e</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200520060422/https://watermark.silverchair.com/i2164-2591-430-1-2080.pdf?token=AQECAHi208BE49Ooan9kkhW_Ercy7Dm3ZL_9Cf3qfKAc485ysgAAAgkwggIFBgkqhkiG9w0BBwagggH2MIIB8gIBADCCAesGCSqGSIb3DQEHATAeBglghkgBZQMEAS4wEQQMgXcYO4Fo9IjEjSs1AgEQgIIBvGxBxxw4qjN2btRKuRPrhD03w7cQKoHpPSTLWhr_sunZ4DnDbtJO7imJil4D2ZSfTJKiMqMGvcyu8kymjiu1pMChCevaPO2v5H6IL87EzUkhaziTHs6g0a3t7oQ9K0mHXi_6u4qa0jgs-tdc7KhUV5pPNWmJo6vmVzUKgKqQh9j3tio_ffy1c6cNMpHsdPdJ0c_zEu25V6GeY1kB1JxvnaJDpT9aHvNmzEmoCwu76yQdEbJy_MzJjhhxaQTRlpdjZP6oQ-VgrAouhkoewCZyg_A6sYRNos2m5lzmu1GcF6et3Q5anDjHdkQHLIqTYkgdXaibgtYqFwgXSKgx5jknRKP_zk4JQScUoaVc8fPBbaCsM1tQnCYbgr6fH3T1sOy7HXbDbkwmL8SKvj6Zsaw-tYaA-P0G_xBAiw_nlOaHKCbw85MtAwsw3CIKxIWh7U1UbHZwDMKCDXBAa17Xtny6z65UydT-sKaogBYQ58huKs3LTdbn3ZmqvtBU-VFk9G1wy1hWXj18dpAIZRRfdjiggYeuCKyZuI8fNB2olUZOzyShySjCcyvsyJwG3sFuKabsLDur0kiB3Wh0tf1wgg" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/7f/7a/7f7a07a94bdd9de1ad097f000015e3914a2bb013.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1167/tvst.9.6.17"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> Publisher / doi.org </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7409221" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Use of ambient light in remote photoplethysmographic systems: comparison between a high-performance camera and a low-cost webcam

Yu Sun, Charlotte Papin, Vicente Azorin-Peris, Roy Kalawsky, Stephen Greenwald, Sijung Hu
<span title="">2012</span> <i title="SPIE-Intl Soc Optical Eng"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/c2ako6pd7fa6vmchrrg5jqfpai" style="color: black;">Journal of Biomedical Optics</a> </i> &nbsp;
Recent imaging PPG studies have concentrated on two broad research directions involving either high-performance cameras and or webcam-based systems.  ...  The physiological pulse waves extracted from both imaging PPG systems using the smoothed pseudo-Wigner-Ville distribution yield functional characteristics comparable to those acquired using gold standard  ...  , blood oxygen saturation, has gained significant attention in the biomedical and clinical community and, in the case of pulse oximetry, made PPG the standard of monitoring blood oxygen saturation.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1117/1.jbo.17.3.037005">doi:10.1117/1.jbo.17.3.037005</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/22502577">pmid:22502577</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/boxxlpsj7fen3hqatc24gh5cam">fatcat:boxxlpsj7fen3hqatc24gh5cam</a> </span>
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The influence of simulated cataract on retinal vessel oximetry measurements

Rebekka Heitmar, Andrew Attardo
<span title="2015-08-21">2015</span> <i title="Wiley"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/z6imf325araxzl6nhnfmiayvfa" style="color: black;">Acta Ophthalmologica</a> </i> &nbsp;
All subjects underwent digital blood pressure measurements, assessment of noncontact intra-ocular pressure, pupil dilation and retinal vessel oximetry using dual-wavelength photography (Oximetry Module  ...  Purpose: To assess the impact of human crystalline lens opacification and yellowing, similar to that observed in patients with cataracts, on retinal vessel blood oxygen saturation measurements using custom  ...  In brief, retinal images were taken with a customized dual-wavelength filter (transmission bands at 548 and 610 nm; bandwidth 10 nm each) inserted in the illumination pathway of the fundus camera (Zeiss  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1111/aos.12826">doi:10.1111/aos.12826</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/26293648">pmid:26293648</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/kv2ndk7brzbetnlsmrhx7e7l5q">fatcat:kv2ndk7brzbetnlsmrhx7e7l5q</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180719225947/http://publications.aston.ac.uk/26602/1/Influence_of_simulated_cataract_on_retinal_vessel_oximetry_measurements.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/bc/63/bc63d1f5f776731c80aa495d05e07a504c924bdd.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1111/aos.12826"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

Dual-wavelength laser speckle imaging for monitoring brain metabolic and hemodynamic response to closed head traumatic brain injury in mice

Itamar Kofman, David Abookasis
<span title="2015-10-22">2015</span> <i title="SPIE-Intl Soc Optical Eng"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/c2ako6pd7fa6vmchrrg5jqfpai" style="color: black;">Journal of Biomedical Optics</a> </i> &nbsp;
We employed the dual-wavelength laser speckle imaging (DW-LSI) technique for simultaneous monitoring of changes in brain hemodynamics and cerebral blood flow (CBF) at early stages of head trauma in a mouse  ...  Specifically, variations in blood flow and oxygenation levels serve as important biomarkers of numerous pathophysiological processes.  ...  Fig. 2 2 Sketch of the dual-wavelength laser speckle imaging (DW-LSI) arrangement. Entire system was controlled using MATLAB® software on a personal computer.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1117/1.jbo.20.10.106009">doi:10.1117/1.jbo.20.10.106009</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/26502232">pmid:26502232</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/nn2zfmteoneotf2k7ftuiehe7e">fatcat:nn2zfmteoneotf2k7ftuiehe7e</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200321161237/https://www.spiedigitallibrary.org/journals/Journal-of-Biomedical-Optics/volume-20/issue-10/106009/Dual-wavelength-laser-speckle-imaging-for-monitoring-brain-metabolic-and/10.1117/1.JBO.20.10.106009.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/9d/71/9d7189bedae50fb4843f8306f0e23348a97419e8.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1117/1.jbo.20.10.106009"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> Publisher / doi.org </button> </a>

Quantitative real-time optical imaging of the tissue metabolic rate of oxygen consumption

Michael Ghijsen
<span title="2018-03-24">2018</span> <i title="SPIE-Intl Soc Optical Eng"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/c2ako6pd7fa6vmchrrg5jqfpai" style="color: black;">Journal of Biomedical Optics</a> </i> &nbsp;
We validate the system using a series of yeast-hemoglobin tissue-simulating phantoms and conduct in vivo tests in humans using arterial occlusions that demonstrate sensitivity to tissue metabolic oxygen  ...  We achieve this by developing a dual-wavelength, near-infrared coherent spatial frequency-domain imaging (cSFDI) system to calculate tissue optical properties (i.e., absorption, μ a , and reduced scattering  ...  Before the procedure began, baseline measurements of cSFDI, arterial blood gas, systemic pressure, heart-rate, and oxygen saturation were acquired. cSFDI was then used to monitor the animal through the  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1117/1.jbo.23.3.036013">doi:10.1117/1.jbo.23.3.036013</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/29575830">pmid:29575830</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/n6dxvfgkerasbl66o53a6kb7ry">fatcat:n6dxvfgkerasbl66o53a6kb7ry</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180722153318/https://www.spiedigitallibrary.org/journals/Journal-of-Biomedical-Optics/volume-23/issue-3/036013/Quantitative-real-time-optical-imaging-of-the-tissue-metabolic-rate/10.1117/1.JBO.23.3.036013.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/7b/49/7b497123792808e1ae879760ddc45b888753a5e9.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1117/1.jbo.23.3.036013"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> Publisher / doi.org </button> </a>

Noncontact Sensing of Contagion

Fatema-Tuz-Zohra Khanam, Loris A. Chahl, Jaswant S. Chahl, Ali Al-Naji, Asanka G. Perera, Danyi Wang, Y. H. Lee, Titilayo T. Ogunwa, Samuel Teague, Tran Xuan Bach Nguyen, Timothy D. McIntyre, Simon P. Pegoli (+4 others)
<span title="2021-02-05">2021</span> <i title="MDPI AG"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/au3ye363lzbdroopx7rzfyv63m" style="color: black;">Journal of Imaging</a> </i> &nbsp;
Our review shows that visible spectrum and thermal spectrum cameras offer the best options for truly noncontact sensing of those studied to date, thermal cameras due to their potential to measure all likely  ...  symptoms on a single camera, especially temperature, and video cameras due to their availability, cost, adaptability, and compatibility.  ...  [154] first proposed a noncontact scheme to screen blood oxygen saturation using two CCD cameras, individually mounted with a different narrow band pass filter at two different wavelengths, 520 and  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/jimaging7020028">doi:10.3390/jimaging7020028</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/34460627">pmid:34460627</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC8321279/">pmcid:PMC8321279</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/jph3fberxjd7tndfsfw4zoy4lu">fatcat:jph3fberxjd7tndfsfw4zoy4lu</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20210428215740/https://res.mdpi.com/d_attachment/jimaging/jimaging-07-00028/article_deploy/jimaging-07-00028-v2.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/14/ba/14ba9bd6d2ef4169a5b731741348723d58a51224.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/jimaging7020028"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> mdpi.com </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8321279" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Dual-Modal Photoacoustic Imaging and Optical Coherence Tomography [Review]

Zohreh Hosseinaee, James A. Tummon Simmons, Parsin Haji Reza
<span title="2021-01-18">2021</span> <i title="Frontiers Media SA"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/im246jdlofanriyhr3bpyw2cwy" style="color: black;">Frontiers in Physics</a> </i> &nbsp;
This review provides an overview of the technical specs of existing dual-modal PAI-OCT imaging systems, their applications, limitations, and future directions.  ...  Leveraging the valuable information provided by these modalities can help us build an understanding of tissues' characteristics.  ...  Functional extensions of the PAM-OCT system including Doppler OCT and spectroscopic PAM were applied to monitor arterial pulsation and to measure absolute blood flow and oxygen saturation.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3389/fphy.2020.616618">doi:10.3389/fphy.2020.616618</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/5f6lpbs7bnagpkzwoka62sdk6y">fatcat:5f6lpbs7bnagpkzwoka62sdk6y</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20210123090703/https://fjfsdata01prod.blob.core.windows.net/articles/files/616618/pubmed-zip/.versions/1/.package-entries/fphy-08-616618.pdf?sv=2018-03-28&amp;sr=b&amp;sig=88BYF5pkRUgqb2bXAZfCF3V2el2%2BhfwKZxqXd9pRCsI%3D&amp;se=2021-01-23T09%3A07%3A32Z&amp;sp=r&amp;rscd=attachment%3B%20filename%2A%3DUTF-8%27%27fphy-08-616618.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/b1/64/b164a4bd75042eb9f6fd2b2e72c28a34d94b1e1e.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3389/fphy.2020.616618"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> frontiersin.org </button> </a>

Imaging of cortical oxygen tension and blood flow following targeted photothrombotic stroke

Colin T. Sullender, Andrew E. Mark, Taylor A. Clark, Tatiana V. Esipova, Sergei A. Vinogradov, Theresa A. Jones, Andrew K. Dunn
<span title="2018-07-27">2018</span> <i title="SPIE-Intl Soc Optical Eng"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/5nspzi7dnrakfng3ccbyybymou" style="color: black;">Neurophotonics</a> </i> &nbsp;
We present a dual-modality imaging system combining laser speckle contrast imaging and oxygendependent quenching of phosphorescence to simultaneously map cortical blood flow and oxygen tension (pO 2 )  ...  Imaging of cortical oxygen tension and blood flow following targeted photothrombotic stroke," Neurophoton. 5(3), 035003 (2018), Abstract.  ...  Acknowledgments This study was supported by the National Institutes of Health (Nos. EB011556, EB018464, NS078791, NS082518, and NS092986) and the American Heart Association (No. 14EIA8970041).  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1117/1.nph.5.3.035003">doi:10.1117/1.nph.5.3.035003</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/30137881">pmid:30137881</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC6062776/">pmcid:PMC6062776</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/yxv4b7fzg5bvnlnwuhv6yz7pnq">fatcat:yxv4b7fzg5bvnlnwuhv6yz7pnq</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20190426213338/https://www.spiedigitallibrary.org/journals/Neurophotonics/volume-5/issue-3/035003/Imaging-of-cortical-oxygen-tension-and-blood-flow-following-targeted/10.1117/1.NPh.5.3.035003.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/9e/99/9e99721a80e9a6dcf28b31d7c457b2ec097049d2.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1117/1.nph.5.3.035003"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> Publisher / doi.org </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6062776" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Opto-Physiological Modeling Applied to Photoplethysmographic Cardiovascular Assessment

Sijung Hu, Vicente Azorin-Peris, Jia Zheng
<span title="">2013</span> <i title="Hindawi Limited"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/cswd2rqrire6lgrsm56kv4adue" style="color: black;">Journal of Healthcare Engineering</a> </i> &nbsp;
The authors also acknowledge the financial support of both the Engineering and Physical Sciences Research Council UK (Optical Platform Grant GR/T25040/01, 2007) and Loughborough University.  ...  ACKNOWLEDGEMENTS The authors are grateful to our colleagues at the Photonics Engineering and Health Technology Research Group of Loughborough University for their enormous contributions.  ...  measurement and noncontact imaging.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1260/2040-2295.4.4.505">doi:10.1260/2040-2295.4.4.505</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/24287429">pmid:24287429</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/b5qrwu2yzzcfbbdzlxbwtubzuq">fatcat:b5qrwu2yzzcfbbdzlxbwtubzuq</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20190313115154/https://core.ac.uk/download/pdf/42485043.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/46/c6/46c6e2126c51d5d90b45dc1e58b5f557142ba3a2.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1260/2040-2295.4.4.505"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> Publisher / doi.org </button> </a>
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