Dr. Gregory H. Bearman Profile

Dr. Gregory H. Bearman

Consultant

SPIE Involvement:

Author

Publications (19)

Proceedings Article | 22 February 2013 Paper

In vivo skin chromophore mapping using a multimode imaging dermoscope (SkinSpect™)

Nicholas MacKinnon, Fartash Vasefi, Eugene Gussakovsky, Gregory Bearman, Robert Chave, Daniel Farkas

Proc. SPIE. 8587, Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues XI

KEYWORDS: Data modeling, Polarization, Tissues, Skin, Luminescence, Reflectivity, Chromophores, Melanoma, Tissue optics, RGB color model

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SPIE Journal Paper | 1 January 2011

Multispectral imaging of tissue absorption and scattering using spatial frequency domain imaging and a computed-tomography imaging spectrometer

Jessie Weber, Anthony Durkin, Bruce Tromberg, David Cuccia, William Johnson, Daniel Wilson, Gregory Bearman, Mike Hsu, Alexander Lin, Devin Binder

JBO Vol. 16 Issue 1

KEYWORDS: Absorption, Scattering, Tissue optics, Tissues, Spatial frequencies, Optical properties, Multispectral imaging, Spectroscopy, Brain mapping, Brain

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SPIE Journal Paper | 1 January 2007

Snapshot hyperspectral imaging in ophthalmology

William Johnson, Daniel Wilson, Wolfgang Fink, Mark Humayun, Gregory Bearman

JBO Vol. 12 Issue 01

KEYWORDS: Hyperspectral imaging, Oxygen, Cameras, Sensors, Spectroscopy, Ophthalmology, Retina, Oximetry, Image sensors, Absorption

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Proceedings Article | 23 March 2005 Paper

Volume holographic spectral imaging

Zhenyu Li, Demetri Psaltis, Wenhai Liu, William Johnson, Gregory Bearman

Proc. SPIE. 5694, Spectral Imaging: Instrumentation, Applications, and Analysis III

KEYWORDS: Diffraction, Holograms, Holography, Imaging systems, Spectroscopy, Imaging spectroscopy, Multiplexing, Quantum dots, Spatial resolution, Volume holography

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Proceedings Article | 30 December 2004 Paper

An all-reflective computed tomography imaging spectrometer

William Johnson, Daniel Wilson, Gregory Bearman, Johan Backlund

Proc. SPIE. 5660, Instruments, Science, and Methods for Geospace and Planetary Remote Sensing

KEYWORDS: Staring arrays, Microelectromechanical systems, Mirrors, Optical design, Spectroscopy, Reflectivity, Tomography, Computer generated holography, Computed tomography, Modulation transfer functions

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Proceedings Article | 17 June 2002 Paper

Sensitive imaging of spectrally overlapping flourochromes using the LSM 510 META

Mary Dickinson, Christopher Waters, Gregory Bearman, Ralf Wolleschensky, Sebastian Tille, Scott Fraser

Proc. SPIE. 4620, Multiphoton Microscopy in the Biomedical Sciences II

KEYWORDS: Optical filters, Proteins, Green fluorescent protein, Imaging systems, Sensors, Microscopy, Linear filtering, Multispectral imaging, Image filtering, Fluorescence resonance energy transfer

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Proceedings Article | 6 June 2002 Paper

High-Q whispering-gallery mode sensor in liquids

Jay Nadeau, Vladimir Ilchenko, Dmitri Kossakovski, Gregory Bearman, Lute Maleki

Proc. SPIE. 4629, Laser Resonators and Beam Control V

KEYWORDS: Proteins, Optical spheres, Resonators, Sensors, Glasses, Molecules, Diffusion, Chemistry, Liquids, Absorption

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SPIE Journal Paper | 1 July 2001

Resolution of multiple GFP color variants and dyes using two-photon microscopy and imaging spectroscopy

Rusty Lansford, Gregory Bearman, Scott Fraser

JBO Vol. 6 Issue 03

KEYWORDS: Green fluorescent protein, Optical filters, Imaging spectroscopy, Fluorescent proteins, RGB color model, Microscopy, Image filtering, Tunable filters, Composites, Principal component analysis

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SPIE Journal Paper | 1 July 2001

Ablation spectra of the human cornea

David Cohen, Roy Chuck, Gregory Bearman, Peter McDonnell, Warren Grundfest

JBO Vol. 6 Issue 03

KEYWORDS: Cornea, Luminescence, Laser ablation, Tissues, Excimer lasers, Principal component analysis, Laser tissue interaction, Surgery, Laser therapeutics, Ultraviolet radiation

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SPIE Journal Paper | 1 July 2000

Consequences of scattering for spectral imaging of turbid biological tissue

Mark Arnoldussen, David Cohen, Gregory Bearman, Warren Grundfest

JBO Vol. 5 Issue 03

KEYWORDS: Tissue optics, Scattering, Imaging spectroscopy, Backscatter, Natural surfaces, Reflectors, Imaging systems, Tissues, Systems modeling, Sensors

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Proceedings Article | 14 March 2000 Paper

Imaged backscatter from three-dimensional tissue structure

Mark Arnoldussen, David Cohen, Gregory Bearman, Warren Grundfest

Proc. SPIE. 3920, Spectral Imaging: Instrumentation, Applications, and Analysis

KEYWORDS: Backscatter, Tissues, Scattering, Photons, Light scattering, 3D modeling, Chromophores, Tissue optics, Natural surfaces, Absorption

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Proceedings Article | 26 July 1999 Paper

Application of infrared fiber optic imaging in atherosclerotic plaques

Bujin Guo, S. Casscells, Gregory Bearman, Janice McNatt, Morteza Naghevi, Basit Malik, Khawar Gul, James Willerson

Proc. SPIE. 3698, Infrared Technology and Applications XXV

KEYWORDS: Infrared cameras, Thermography, Infrared imaging, Fiber optics, Calibration, Glasses, Arteries, Inflammation, Infrared radiation, In vivo imaging

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Proceedings Article | 6 May 1999 Paper

Effects of scattering in layered biological tissue on imaging spectroscopy data

Mark Arnoldussen, David Cohen, Gregory Bearman, Warren Grundfest

Proc. SPIE. 3605, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing VI

KEYWORDS: Tissues, Reflection, Imaging systems, Scattering, Reflectivity, Imaging spectroscopy, Monte Carlo methods, Tissue optics, Natural surfaces, Photon transport

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Proceedings Article | 21 April 1999 Paper

Video-rate spectral imaging system for fluorescence microscopy

Bridget Ford, Curtis Volin, Andrew Rouse, Yashvinder Sabharwal, Ronald Lynch, Arthur Gmitro, Gregory Bearman, Michael Descour

Proc. SPIE. 3603, Systems and Technologies for Clinical Diagnostics and Drug Discovery II

KEYWORDS: Confocal microscopy, Microscopes, Imaging systems, Cameras, Spectroscopy, Microscopy, Luminescence, Imaging spectroscopy, Endoscopes, Tissue optics

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Proceedings Article | 18 January 1999 Paper

Development of radiometric system models for performance comparison of proposed instruments

Betina Pavri, Gregory Bearman, Jack Margolis, Philip Moynihan, Karen Liu

Proc. SPIE. 3533, Air Monitoring and Detection of Chemical and Biological Agents

KEYWORDS: Signal to noise ratio, Optical filters, Radio optics, Spectroscopy, Fourier transforms, Electronic filtering, Motion models, Performance modeling, Systems modeling, Instrument modeling

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Proceedings Article | 16 October 1998 Paper

Video-rate spectral imaging of fluorescence phonomena

Bridget Ford, Curtis Volin, Michael Descour, John Garcia, Daniel Wilson, Paul Maker, Gregory Bearman

Proc. SPIE. 3438, Imaging Spectrometry IV

KEYWORDS: Microscopes, Optical filters, Cameras, Video, Spectroscopy, Luminescence, Imaging spectroscopy, Data acquisition, Reconstruction algorithms, Imaging arrays

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Proceedings Article | 10 April 1998 Paper

High-speed spectral imager for imaging transient fluorescence phenomena

Michael Descour, Bridget Ford, Daniel Wilson, Paul Maker, Gregory Bearman

Proc. SPIE. 3259, Systems and Technologies for Clinical Diagnostics and Drug Discovery

KEYWORDS: Microscopes, Diffraction, Imaging systems, Spectroscopy, Luminescence, Data acquisition, Raster graphics, Reconstruction algorithms, Imaging spectrometry, Imaging arrays

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Proceedings Article | 6 January 1995 Paper

Multispectral imager for the agricultural user

Jessica Faust, Thomas Chrien, Gregory Bearman

Proc. SPIE. 2345, Optics in Agriculture, Forestry, and Biological Processing

KEYWORDS: Agriculture, Visualization, Imaging systems, Cameras, Spectrometers, Multispectral imaging, Data acquisition, Printing, Process control, Vignetting

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Proceedings Article | 1 July 1992 Paper

Laser damage tests on InSb photodiodes at 1.064 um and 0.532 um

Gregory Bearman, Craig Staller, J. Colin Mahoney

Proc. SPIE. 1686, Test and Evaluation of IR Detectors and Arrays II

KEYWORDS: Mirrors, Electronics, Sensors, Laser induced damage, Photodiodes, Semiconductor lasers, Data acquisition, Black bodies, Diodes, Bandpass filters

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