Dr. Quanzeng Wang Profile

Dr. Quanzeng Wang

Biomedical Engineer at U.S. Food and Drug Administration

SPIE Involvement:

Author

Area of Expertise:

tissue optics , fiber optics , medical diagnostics , simulation of light-tissre interactions , optical spectroscopy and imaging

Publications (29)

Proceedings Article | 16 March 2023 Presentation

External factors affecting performance of infrared thermographs for screening elevated body temperature (Conference Presentation)

Siavash Mazdeyasna, Pejman Ghassemi, Quanzeng Wang

Proceedings Volume PC12387, PC1238706 (2023) https://doi.org/10.1117/12.2647127

KEYWORDS: Infrared radiation, Body temperature, Humidity, Computer simulations, Temperature metrology, Distance measurement, Calibration

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Proceedings Article | 14 April 2021 Presentation

Infrared thermographs for measuring elevated body temperature: large-scale clinical study, international standards, and FDA guidance

Quanzeng Wang, Joshua Pfefer, Pejman Ghassemi, Jon Casamento, Zane Arp

Proceedings Volume 11741, 1174106 (2021) https://doi.org/10.1117/12.2585240

KEYWORDS: Infrared radiation, Body temperature, Diagnostics, Temperature metrology, Synthetic aperture radar, Surgery, Medical research

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SPIE Journal Paper | 12 September 2020 Open Access

Clinical evaluation of fever-screening thermography: impact of consensus guidelines and facial measurement location

Yangling Zhou, Pejman Ghassemi, Michelle Chen, David McBride, Jon Casamento, T. Joshua Pfefer, Quanzeng Wang

JBO, Vol. 25, Issue 09, 097002, (September 2020) https://doi.org/10.1117/12.10.1117/1.JBO.25.9.097002

KEYWORDS: Thermography, Temperature metrology, Diagnostics, Selenium, Mouth, Body temperature, Infrared radiation, Thermometry, Fourier transforms, Chromium

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Proceedings Article | 4 March 2019 Presentation

Standardizing test methods for performance evaluation of infrared thermographs intended for fever screening (Conference Presentation)

Pejhman Ghassemi, T. Joshua Pfefer, Jon P. Casamento, Quanzeng Wang

Proceedings Volume 10870, 1087009 (2019) https://doi.org/10.1117/12.2513544

KEYWORDS: Infrared radiation, Black bodies, Body temperature, Minimum resolvable temperature difference, Data processing, Image acquisition, Standards development

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Proceedings Article | 4 March 2019 Presentation

Large-scale clinical study of ‘point of care’ thermal imaging for febrile patient detection: towards optimal non-contact diagnostics in disease pandemics (Conference Presentation)

Yangling Zhou, Pejhman Ghassemi, Joshua Pfefer, Jon Casamento, David McBride, Michelle Chen, Quanzeng Wang

Proceedings Volume 10872, 108720X (2019) https://doi.org/10.1117/12.2514766

KEYWORDS: Thermography, Point-of-care devices, Diagnostics, Synthetic aperture radar, Temperature metrology, Reliability, Body temperature, Receivers, Infrared radiation

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Proceedings Article | 19 April 2017 Presentation

Near-infrared fluorescence imaging with a mobile phone (Conference Presentation)

Pejhman Ghassemi, Bohan Wang, Jianting Wang, Quanzeng Wang, Yu Chen, T. Joshua Pfefer

Proceedings Volume 10055, 100550Q (2017) https://doi.org/10.1117/12.2253878

KEYWORDS: Optical filters, Charge-coupled devices, Luminescence, Near infrared, Cell phones, Cameras, Biomedical optics, Spatial resolution, Image filtering, Imaging systems

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Proceedings Article | 21 March 2017 Presentation + Paper

Near-infrared fluorescence image quality test methods for standardized performance evaluation

Udayakumar Kanniyappan, Bohan Wang, Charles Yang, Pejhman Ghassemi, Quanzeng Wang, Yu Chen, Joshua Pfefer

Proceedings Volume 10056, 100560J (2017) https://doi.org/10.1117/12.2255867

KEYWORDS: Imaging systems, Luminescence, Image quality standards, Indocyanine green, Standards development, Quantum dots, Spatial resolution, Image quality, Quality testing methods, Near infrared, Solids, Liquids, Epoxies

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Proceedings Article | 14 March 2017 Paper

Standardized assessment of infrared thermographic fever screening system performance

Pejhman Ghassemi, Joshua Pfefer, Jon Casamento, Quanzeng Wang

Proceedings Volume 10056, 100560H (2017) https://doi.org/10.1117/12.2253882

KEYWORDS: Standards development, Thermography, Infrared radiation, Infrared cameras, Temperature metrology, Thermal imaging cameras, Cameras, Synthetic aperture radar, Body temperature, Spatial resolution, Minimum resolvable temperature difference, Spatial frequencies, Calibration, Black bodies, Infrared imaging, Nonuniformity corrections

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Proceedings Article | 15 February 2017 Paper

Multi-modality image registration for effective thermographic fever screening

C. Y. N. Dwith, Pejhman Ghassemi, Joshua Pfefer, Jon Casamento, Quanzeng Wang

Proceedings Volume 10057, 100570S (2017) https://doi.org/10.1117/12.2253932

KEYWORDS: Image registration, Thermography, Infrared cameras, Infrared imaging, Infrared radiation, Biomedical optics, Temperature metrology, Thermal imaging cameras, Cameras, Body temperature, Medical imaging, Image restoration, Thermal modeling

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SPIE Journal Paper | 9 May 2016 Open Access

Development of the local magnification method for quantitative evaluation of endoscope geometric distortion

Quanzeng Wang, Wei-Chung Cheng, Nitin Suresh, Hong Hua

JBO, Vol. 21, Issue 05, 056003, (May 2016) https://doi.org/10.1117/12.10.1117/1.JBO.21.5.056003

KEYWORDS: Distortion, Endoscopes, Lawrencium, Standards development, Endoscopy, Image sensors, Data centers, Image processing, Monochromatic aberrations, Image analysis

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Proceedings Article | 18 March 2016 Presentation + Paper

Dynamic thermal effects of epidermal melanin and plasmonic nanoparticles during photoacoustic breast imaging

Pejhman Ghassemi, Quanzeng Wang, T. Joshua Pfefer

Proceedings Volume 9700, 97000F (2016) https://doi.org/10.1117/12.2214870

KEYWORDS: Nanoparticles, Acquisition tracking and pointing, Monte Carlo methods, Plasmonics, Safety, Photoacoustic tomography, Thermography, Near infrared, Chromophores, Laser tissue interaction, Breast, Tumors, Tissue optics, Temperature metrology, Thermal effects

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Proceedings Article | 18 March 2016 Presentation + Paper

Performance evaluation of CCD- and mobile-phone-based near-infrared fluorescence imaging systems with molded and 3D-printed phantoms

Bohan Wang, Pejhman Ghassemi, Jianting Wang, Quanzeng Wang, Yu Chen, Joshua Pfefer

Proceedings Volume 9700, 970006 (2016) https://doi.org/10.1117/12.2220412

KEYWORDS: Imaging systems, Luminescence, Near infrared, Standards development, CCD cameras, Cell phones, 3D printing, Tissues, Image quality standards, Biomedical optics, Image quality, Scattering, Cameras, Absorption

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Proceedings Article | 18 March 2015 Paper

Comparison of methods for quantitative evaluation of endoscopic distortion

Quanzeng Wang, Kurt Castro, Viraj Desai, Wei-Chung Cheng, Joshua Pfefer

Proceedings Volume 9412, 94123A (2015) https://doi.org/10.1117/12.2082077

KEYWORDS: Distortion, Endoscopes, Endoscopy, Standards development, Ruthenium, Image analysis, Image quality standards, Optical proximity correction, Image quality, Medical imaging

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Proceedings Article | 4 March 2014 Paper

Optical-thermal light-tissue interactions during photoacoustic imaging

Taylor Gould, Quanzeng Wang, T. Joshua Pfefer

Proceedings Volume 8936, 893603 (2014) https://doi.org/10.1117/12.2044379

KEYWORDS: Tissues, Tissue optics, Laser tissue interaction, Blood vessels, Pulsed laser operation, 3D modeling, Thermal modeling, Skin, Natural surfaces, Geometrical optics

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Proceedings Article | 31 December 2013 Paper

Towards standardized assessment of endoscope optical performance: geometric distortion

Quanzeng Wang, Viraj Desai, Ying Ngo, Wei-Chung Cheng, Joshua Pfefer

Proceedings Volume 9042, 904205 (2013) https://doi.org/10.1117/12.2044103

KEYWORDS: Distortion, Endoscopes, Endoscopy, Standards development, Image quality standards, Geometrical optics, Optical proximity correction, MATLAB, Image analysis, Image quality

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Proceedings Article | 31 May 2013 Paper

Near-infrared photoacoustic diagnostics in biomedicine: analysis of thermal safety and light-tissue interactions

Taylor Gould, Quanzeng Wang, Do-Hyun Kim, Joshua Pfefer

Proceedings Volume 8719, 87190X (2013) https://doi.org/10.1117/12.2018311

KEYWORDS: Safety, Thermal modeling, Laser tissue interaction, Tissue optics, Skin, Optical simulations, Photoacoustic spectroscopy, Monte Carlo methods, Data modeling, Breast

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Proceedings Article | 13 March 2013 Paper

Spectral variations in narrow band imaging depth-selectivity: mucosal scattering vs. hemoglobin absorption

Quanzeng Wang, Du Le, Jessica Ramella-Roman, Joshua Pfefer

Proceedings Volume 8573, 85730N (2013) https://doi.org/10.1117/12.2008768

KEYWORDS: Scattering, Absorption, Tissues, Reflectivity, Capillaries, Visualization, Blood, Blood vessels, Light scattering, Monte Carlo methods

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SPIE Journal Paper | 13 December 2012 Open Access

Monte Carlo modeling of light-tissue interactions in narrow band imaging

Du Le, Quanzeng Wang, Jessica Ramella-Roman, T. Joshua Pfefer

JBO, Vol. 18, Issue 01, 010504, (December 2012) https://doi.org/10.1117/12.10.1117/1.JBO.18.1.010504

KEYWORDS: Absorption, Monte Carlo methods, Scattering, Tissue optics, Tissues, Optical properties, Capillaries, Reflectivity, Instrument modeling, Blood vessels

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Proceedings Article | 16 May 2012 Paper

Quantitative evaluation of mucosal vascular contrast in narrow band imaging using Monte Carlo modeling

Du Le, Quanzeng Wang, Jessica Ramella-Roman, Joshua Pfefer

Proceedings Volume 8367, 836709 (2012) https://doi.org/10.1117/12.918375

KEYWORDS: Tissues, Absorption, Scattering, Blood, Reflectivity, Monte Carlo methods, Blood vessels, Photons, Visualization, Optical properties

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Proceedings Article | 28 February 2012 Paper

Visualization of mucosal vasculature with narrow band imaging: a theoretical study

Quanzeng Wang, Du Le, Jessica Ramella-Roman, Joshua Pfefer

Proceedings Volume 8215, 821505 (2012) https://doi.org/10.1117/12.906817

KEYWORDS: Tissues, Absorption, Visualization, Blood vessels, Scattering, Reflectivity, Blood, Photons, Monte Carlo methods, Bandpass filters

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Proceedings Article | 22 February 2011 Paper

Broadband UV-Vis optical property measurement in layered turbid media

Quanzeng Wang, Du Le, Jessica Ramella-Roman, Joshua Pfefer

Proceedings Volume 7891, 78910F (2011) https://doi.org/10.1117/12.879647

KEYWORDS: Reflectivity, Tissues, Data modeling, Absorption, Fiber optics, Scattering, Optical fibers, Optical properties, Monte Carlo methods, Calibration

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Proceedings Article | 24 February 2010 Paper

In situ optical property measurement in layered tissue: theoretical and experimental assessment of an unconstrained approach

Quanzeng Wang, T. Joshua Pfefer

Proceedings Volume 7556, 75560J (2010) https://doi.org/10.1117/12.842412

KEYWORDS: Reflectivity, Tissues, Data modeling, Tissue optics, Monte Carlo methods, Optical properties, Optical fibers, Fiber optics, In situ metrology, Diffuse reflectance spectroscopy

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Proceedings Article | 25 February 2009 Paper

Evaluation of a reflectance-based approach for optical property determination in layered tissue

Quanzeng Wang, Anant Agrawal, Nam Sun Wang, Josh Pfefer

Proceedings Volume 7170, 71700I (2009) https://doi.org/10.1117/12.813847

KEYWORDS: Monte Carlo methods, Optical fibers, Optical properties, Reflectivity, Tissue optics, Neural networks, Tissues, Data modeling, Computer simulations, Photon transport

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Proceedings Article | 6 March 2008 Paper

Validation of a fiber optic-based UVA-VIS optical property measurement system

Quanzeng Wang, Anant Agrawal, Nam Wang, Josh Pfefer

Proceedings Volume 6849, 68490G (2008) https://doi.org/10.1117/12.769054

KEYWORDS: Optical fibers, Reflectivity, Optical properties, Monte Carlo methods, Tissue optics, Neural networks, Tissues, Fiber optics, Absorption, Liver

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Proceedings Article | 22 October 2004 Paper

Technical feasibility evaluation of fluorescence signal detection by compact photonic explorer for better health

Gang Zhang, LeMing Wang, Q. Z. Wang, J.-C. Luo, Fanan Zeng, Manuel Zevallos, Yury Budansky, Scott Alfano, Alvin Katz, R. Alfano

Proceedings Volume 5524, (2004) https://doi.org/10.1117/12.559963

KEYWORDS: Signal detection, Luminescence, Tissue optics, PIN photodiodes, Fluorescence spectroscopy, Charge-coupled devices, Sensors, Signal to noise ratio, Spectroscopy, Ultraviolet light emitting diodes

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Proceedings Article | 16 April 1998 Paper

Second harmonic and two-photon fluorescence histology of tissues

Yici Guo, Feng Liu, Quan-Zhen Wang, Niclolay Zhadin, Peng Ho, Howard Savage, D. Harris, Peter Sacks, Stimson Schantz, Robert Alfano

Proceedings Volume 3250, (1998) https://doi.org/10.1117/12.305381

KEYWORDS: Tissues, Luminescence, Laser scattering, Scattering, Nonlinear optics, Natural surfaces, Second-harmonic generation, Laser applications, Ultrafast phenomena, Optical imaging

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SPIE Journal Paper | 1 October 1996 Open Access

Laser action in condensed disordered media of active dye-stained animal tissues and sandy colloidal scattering walls

Masood Siddique, Quan-Zhen Wang, Robert Alfano

JBO, Vol. 1, Issue 04, (October 1996) https://doi.org/10.1117/12.10.1117/12.250676

KEYWORDS: Laser scattering, Scattering, Tissues, Reflectivity, Rhodamine, Atmospheric particles, Picosecond phenomena, Aluminum, Tissue optics, Photons

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Proceedings Article | 10 June 1994 Paper

Induced beam deflection for ultrafast low-signal-level optical waveform digitization

Peng Ho, Quan-Zhen Wang, Q. Liu, Robert Alfano

Proceedings Volume 2155, (1994) https://doi.org/10.1117/12.177396

KEYWORDS: Nonlinear optics, Ultrafast phenomena, Resonance enhancement, Refractive index, Pulsed laser operation

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Proceedings Article | 10 June 1994 Paper

High-resolution spectra of cross-phase-modulation for an A/D converter

Peng Ho, Quan-Zhen Wang, Q. Liu, Daniel Liu, Robert Alfano

Proceedings Volume 2155, (1994) https://doi.org/10.1117/12.177425

KEYWORDS: Spectral resolution, Light, Nonlinear dynamics, Ultrafast phenomena, Picosecond phenomena, Modulation, Data conversion, Optical resolution, Laser sources, Nonlinear optics

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Showing 5 of 29 publications

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