Ms. Maureen Johns Profile

Maureen Johns

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Publications (5)

Proceedings Article | 22 July 2003 Paper

Calculating the reduced scattering coefficient of turbid media from a single optical reflectance signal

Maureen Johns, Hanli Liu

Proceedings Volume 4958, (2003) https://doi.org/10.1117/12.477937

KEYWORDS: Reflectivity, Scattering, Tissue optics, Tissues, Brain, Absorption, Monte Carlo methods, Singular optics, In vivo imaging, Fiber optics

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Proceedings Article | 29 June 2001 Paper

Modified diffusion models for steady-state broadband reflectance with a needlelike optic probe

Hanli Liu, Maureen Johns, Cole Giller

Proceedings Volume 4250, (2001) https://doi.org/10.1117/12.434472

KEYWORDS: Reflectivity, Diffusion, Tissues, Data modeling, Tissue optics, Monte Carlo methods, Signal detection, Geometrical optics, Visible radiation, Near infrared

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Proceedings Article | 4 June 2001 Paper

Calculation of hemoglobin saturation from in vivo human brain tissues using a modified diffusion theory model

Maureen Johns, Cole Giller, Hanli Liu

Proceedings Volume 4254, (2001) https://doi.org/10.1117/12.427934

KEYWORDS: Tissues, Reflectivity, Oxygen, Diffusion, Brain, In vivo imaging, Tissue optics, In vitro testing, Monte Carlo methods, Fiber optics

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Proceedings Article | 9 July 1999 Paper

In-vivo optical reflectance measurement of human brain tissue with calculation of absorption and scattering coefficients

Maureen Johns, Cole Giller, Hanli Liu

Proceedings Volume 3595, (1999) https://doi.org/10.1117/12.351519

KEYWORDS: Brain, Reflectivity, Absorption, Tissues, In vivo imaging, Tissue optics, Scattering, Monte Carlo methods, Surgery, Spectroscopy

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SPIE Journal Paper | 1 October 1998 Open Access

Theoretical and In-Vivo Investigation of Optical Reflectance from Human Brain to Assist Neurosurgery

Maureen Johns, Cole Giller, Hanli Liu

JBO, Vol. 3, Issue 04, (October 1998) https://doi.org/10.1117/12.10.1117/1.429894

KEYWORDS: Brain, Reflectivity, In vivo imaging, Tissue optics, Tissues, Monte Carlo methods, Scattering, Absorption, Calibration, Algorithm development

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