Dr. Udayakumar Kanniyappan Profile

Dr. Udayakumar Kanniyappan

Researcher at US Food and Drug Administration

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Publications (9)

SPIE Journal Paper | 18 July 2024 Open Access

Impact of signal-to-noise ratio and contrast definition on the sensitivity assessment and benchmarking of fluorescence molecular imaging systems

Elena Kriukova, Ethan LaRochelle, T. Joshua Pfefer, Udayakumar Kanniyappan, Sylvain Gioux, Brian Pogue, Vasilis Ntziachristos, Dimitris Gorpas

JBO, Vol. 30, Issue S1, S13703, (July 2024) https://doi.org/10.1117/12.10.1117/1.JBO.30.S1.S13703

KEYWORDS: Signal to noise ratio, Imaging systems, Fluorescence, Quality control, Fluorescence imaging, Molecular imaging, Cameras, Tunable filters, Standards development, Signal intensity

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Proceedings Article | 5 March 2021 Paper

Quantification of tryptophan in different layers of oral cancer tissue using fluorescence polarization technique

Einstein Gnanatheepam, Anandh Sundaramoorthy, Kanniyappan Udayakumar, Dornadula Koteeswaran, Singaravelu Ganesan, Aruna Prakasarao, Ganesan Singaravelu

Proceedings Volume 11636, 116360G (2021) https://doi.org/10.1117/12.2583352

KEYWORDS: Cancer, Polarization, Tissues, Luminescence, Tissue optics, Statistical analysis, Multiple scattering, Light scattering, Fluorescence spectroscopy, Diagnostics

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Proceedings Article | 5 March 2021 Presentation

An open-source platform for optical coherence tomography monte carlo simulation

Raphaël Maltais-Tariant, Khaliun Erde, Udayakumar Kanniyappan, Caroline Boudoux, Mathieu Dehaes

Proceedings Volume 11640, 116400G (2021) https://doi.org/10.1117/12.2576943

KEYWORDS: Optical coherence tomography, Monte Carlo methods, Photon transport, Wave propagation, Scattering, Refraction, Photodetectors, Neural networks, Image resolution, Dispersion

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Proceedings Article | 14 March 2018 Presentation

Biomimetic 3D-printed neurovascular phantoms for macro-and micro-scale Near-infrared Fluorescence Imaging (Conference Presentation)

Yi Liu, Pejhman Ghassemi, Hannah Horng, Udayakumar Kanniyappan, Yu Chen, T. Joshua Pfefer

Proceedings Volume 10486, 1048607 (2018) https://doi.org/10.1117/12.2290438

KEYWORDS: Imaging systems, Biomimetics, Luminescence, 3D printing, Angiography, Printing, 3D image processing, Visualization, Pathology, Retinal scanning

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Proceedings Article | 26 February 2018 Presentation + Paper

Novel fiber optic-based needle redox imager for cancer diagnosis

Udayakumar Kanniyappan, He Xu, Qinggong Tang, Brandon Gaitan, Yi Liu, Lin Li, Yu Chen

Proceedings Volume 10489, 104890J (2018) https://doi.org/10.1117/12.2293133

KEYWORDS: Cancer, Endoscopy, Imaging systems, Breast cancer, Luminescence, Tissues, Fluorescence spectroscopy, Spectroscopy, In vivo imaging, In vitro testing

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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 | 3 March 2017 Presentation + Paper

Intrinsic fluorescence of protein in turbid media using empirical relation based on Monte Carlo lookup table

Gnanatheepam Einstein, Kanniyappan Udayakumar, Prakasarao Aruna, Singaravelu Ganesan

Proceedings Volume 10063, 100630N (2017) https://doi.org/10.1117/12.2255883

KEYWORDS: Luminescence, Proteins, Monte Carlo methods, Tissues, Diagnostics, Spectroscopy, Oncology, Error analysis, Fluorescence spectroscopy, Tissue optics, Biomedical optics

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Proceedings Article | 17 February 2017 Paper

Quantification of hemoglobin and its derivatives in oral cancer diagnosis by diffuse reflectance spectroscopy

Udayakumar Kaniyappan, Einstein Gnanatheepam, Prakasarao Aruna, Koteeswaran Dornadula, Singaravelu Ganesan

Proceedings Volume 10060, 100601F (2017) https://doi.org/10.1117/12.2255874

KEYWORDS: Tissues, Diffuse reflectance spectroscopy, Cancer, Tissue optics, Reflectance spectroscopy, Integrating spheres, Optical spectroscopy, Spectroscopy, Statistical analysis, Oxygen, Diagnostics, Absorbance, Reflectivity

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Proceedings Article | 17 February 2017 Paper

Characterization and classification of oral tissues using excitation and emission matrix: a statistical modeling approach

Udayakumar Kanniyappan, Einstein Gnanatheepaminstein, Aruna Prakasarao, Koteeswaran Dornadula, Ganesan Singaravelu

Proceedings Volume 10060, 100601E (2017) https://doi.org/10.1117/12.2255872

KEYWORDS: Cancer, Statistical analysis, Tissues, Fluorescence spectroscopy, Diagnostics, Tissue optics, Optical spectroscopy, Luminescence, Data modeling, Molecules

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Showing 5 of 9 publications

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