Dr. Joseph Schmitt Profile

Dr. Joseph Schmitt

Employee at Apple

SPIE Involvement:

Author

Publications (34)

Proceedings Article | 7 February 2012 Paper

Coherence length extension of Fourier domain mode locked lasers

Desmond Adler, Wolfgang Wieser, Francois Trepanier, Joseph Schmitt, Robert Huber

Proceedings Volume 8213, 82130O (2012) https://doi.org/10.1117/12.908148

KEYWORDS: Dispersion, Optical coherence tomography, Coherence (optics), Image resolution, Imaging systems, Range imaging, Mode locking, Optical fibers, Optical filters, Tunable filters

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SPIE Journal Paper | 1 November 2010 Open Access

Semiautomatic segmentation and quantification of calcified plaques in intracoronary optical coherence tomography images

Zhao Wang, Hiroyuki Kyono, Hiram Bezerra, Hui Wang, Madhusudhana Gargesha, Chadi Alraies, Chenyang Xu, Joseph Schmitt, David Wilson, Marco Costa, Andrew Rollins

JBO, Vol. 15, Issue 06, 061711, (November 2010) https://doi.org/10.1117/12.10.1117/1.3506212

KEYWORDS: Image segmentation, Optical coherence tomography, Edge detection, Image processing, Calcium, Clocks, Binary data, Arteries, Image analysis, Intravascular ultrasound

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Proceedings Article | 5 March 2010 Paper

Clinical studies of frequency domain optical coherence tomography in the coronary arteries: the first 200 patients

Christopher Petersen, Desmond Adler, Joseph Schmitt

Proceedings Volume 7548, 75483H (2010) https://doi.org/10.1117/12.842448

KEYWORDS: Optical coherence tomography, Arteries, Imaging systems, Intravascular ultrasound, Blood, 3D image processing, Tissues, Calcium, Image analysis, In vivo imaging

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Proceedings Article | 24 February 2010 Paper

Endoscopic 3D-OCT reveals buried glands following radiofrequency ablation of Barrett's esophagus

Chao Zhou, Desmond Adler, Tsung-Han Tsai, Hsiang-Chieh Lee, Lauren Becker, Joseph Schmitt, Qin Huang, James Fujimoto, Hiroshi Mashimo

Proceedings Volume 7558, 75580L (2010) https://doi.org/10.1117/12.843617

KEYWORDS: Endoscopy, Radiofrequency ablation, Biopsy, Esophagus, Tissues, Imaging systems, Optical coherence tomography, Visualization, 3D image processing, Microscopy

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Proceedings Article | 20 February 2010 Paper

System design and image processing algorithms for frequency domain optical coherence tomography in the coronary arteries

Desmond Adler, Chenyang Xu, Christopher Petersen, Joseph Schmitt

Proceedings Volume 7554, 755403 (2010) https://doi.org/10.1117/12.842479

KEYWORDS: Imaging systems, Optical coherence tomography, Image processing, Arteries, In vivo imaging, 3D image processing, Algorithm development, Intravascular ultrasound, Fiber optics, Image resolution

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SPIE Journal Paper | 1 May 2008 Open Access

Characterization of atherosclerosis plaques by measuring both backscattering and attenuation coefficients in optical coherence tomography

Chenyang Xu, Joseph Schmitt, Stephane Carlier, Renu Virmani

JBO, Vol. 13, Issue 03, 034003, (May 2008) https://doi.org/10.1117/12.10.1117/1.2927464

KEYWORDS: Optical coherence tomography, Signal attenuation, Backscatter, Tissues, Arteries, Tissue optics, Imaging systems, Optical properties, Natural surfaces, Optical fibers

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Proceedings Article | 5 March 2008 Paper

In vivo endomicroscopy using three-dimensional optical coherence tomography and Fourier domain mode locked lasers

Desmond Adler, Yu Chen, Robert Huber, Joseph Schmitt, James Connolly, James Fujimoto

Proceedings Volume 6847, 684708 (2008) https://doi.org/10.1117/12.761850

KEYWORDS: Optical coherence tomography, Data acquisition, Imaging systems, Colon, In vivo imaging, Endomicroscopy, 3D acquisition, Tissues, 3D image processing, Endoscopy

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SPIE Journal Paper | 1 September 2007 Open Access

Thinking inside the graft: applications of optical coherence tomography in coronary artery bypass grafting

Emile Brown, Nicholas Burris, Junyan Gu, Zachary Kon, Patrick Laird, Seeta Kallam, Cha-Min Tang, Joseph Schmitt, Robert Poston

JBO, Vol. 12, Issue 05, 051704, (September 2007) https://doi.org/10.1117/12.10.1117/1.2799521

KEYWORDS: Optical coherence tomography, Arteries, Endoscopy, Surgery, Blood, Injuries, Radium, Image segmentation, Visualization, Tissues

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SPIE Journal Paper | 1 May 2007 Open Access

High-resolution three-dimensional optical coherence tomography imaging of kidney microanatomy ex vivo

Yu Chen, Peter Andrews, Aaron Aguirre, Joseph Schmitt, James Fujimoto

JBO, Vol. 12, Issue 03, 034008, (May 2007) https://doi.org/10.1117/12.10.1117/1.2736421

KEYWORDS: Optical coherence tomography, Kidney, 3D image processing, Tissues, Coherence imaging, Ischemia, Transplantation, Mercury, Imaging systems, Polarization

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SPIE Journal Paper | 1 September 2005 Open Access

Optical coherence tomography in the diagnosis and treatment of neurological disorders

M. Samir Jafri, Suzanne Farhang, Rebecca Tang, Naman Desai, Paul Fishman, Robert Rohwer, Cha-Min Tang, Joseph Schmitt

JBO, Vol. 10, Issue 05, 051603, (September 2005) https://doi.org/10.1117/12.10.1117/1.2116967

KEYWORDS: Optical coherence tomography, Brain, Tissue optics, Neuroimaging, Blood vessels, Tissues, Imaging systems, Gemini Planet Imager, 3D image reconstruction, Neurological disorders

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Proceedings Article | 13 April 2005 Paper

Ultrahigh-resolution endoscopic optical coherence tomography for gastrointestinal imaging

Yu Chen, Paul Herz, Pei-Lin Hsiung, Aaron Aguirre, Karl Schneider, James Fujimoto, Hiroshi Mashimo, Saleem Desai, Marcos Pedrosa, Joseph Schmitt, Amanda Koski

Proceedings Volume 5690, (2005) https://doi.org/10.1117/12.592609

KEYWORDS: Optical coherence tomography, Esophagus, Endoscopy, Image resolution, In vivo imaging, Tissues, Tissue optics, Chromium, Colon, Biopsy

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Proceedings Article | 18 January 2005 Paper

Ultrahigh-resolution endoscopic optical coherence tomography

Yu Chen, Paul Herz, Pei-Lin Hsiung, Aaron Aguirre, Hiroshi Mashimo, Saleem Desai, Macos Pedrosa, Amanda Koski, Joseph Schmitt, James Fujimoto

Proceedings Volume 5630, (2005) https://doi.org/10.1117/12.577171

KEYWORDS: Optical coherence tomography, Endoscopy, Esophagus, Image resolution, In vivo imaging, Tissues, Biopsy, Cancer, Tissue optics, Colon

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Proceedings Article | 30 April 1999 Paper

Imaging water absorption with OCT

Joseph Schmitt, Jianwen Hua, Jianan Qu

Proceedings Volume 3598, (1999) https://doi.org/10.1117/12.347505

KEYWORDS: Absorption, Optical coherence tomography, Scattering, Signal attenuation, Light emitting diodes, Tissues, Skin, Liquids, Backscatter, Tissue optics

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Proceedings Article | 30 April 1999 Paper

Microelastography of tissue with OCT

Joseph Schmitt, Xudong Bao, Shaojun Xiao

Proceedings Volume 3598, (1999) https://doi.org/10.1117/12.347506

KEYWORDS: Tissues, Optical coherence tomography, Skin, Elastography, Image compression, Image processing, Actuators, Natural surfaces, Particles, Optical spheres

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Proceedings Article | 4 March 1999 Paper

Speckle in optical coherence tomography: an overview

Joseph Schmitt, S. Xiang, Kin Yung

Proceedings Volume 3726, (1999) https://doi.org/10.1117/12.341428

KEYWORDS: Optical coherence tomography, Speckle, Tissues, Scattering, Sensors, Signal to noise ratio, Polarization, Backscatter, Scanners, Point spread functions

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SPIE Journal Paper | 1 January 1999 Open Access

Speckle in optical coherence tomography

Joseph Schmitt, S. Xiang, Kin Yung

JBO, Vol. 4, Issue 01, (January 1999) https://doi.org/10.1117/12.10.1117/1.429925

KEYWORDS: Optical coherence tomography, Speckle, Tissues, Signal to noise ratio, Backscatter, Scattering, Sensors, Scanners, Polarization, Signal detection

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SPIE Journal Paper | 1 January 1999 Open Access

Phase-domain processing of optical coherence tomography images

Kin Yung, Siu Lee, Joseph Schmitt

JBO, Vol. 4, Issue 01, (January 1999) https://doi.org/10.1117/12.10.1117/1.429942

KEYWORDS: Optical coherence tomography, Speckle, Signal processing, Signal to noise ratio, Backscatter, Signal detection, Sensors, Point spread functions, Destructive interference, Clocks

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Proceedings Article | 24 April 1998 Paper

Interpretation and processing of NIR spectra of turbid biological tissue

Joseph Schmitt, Hua Yang, Jianan Qu

Proceedings Volume 3257, (1998) https://doi.org/10.1117/12.306079

KEYWORDS: Scattering, Tissues, Absorption, Near infrared, Reflectivity, Spectroscopy, Skin, Near infrared spectroscopy, Diffusion, Sensors

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Proceedings Article | 24 April 1998 Paper

Digital processing of noisy OCT signals in phase space

Kin Yung, Joseph Schmitt, Siu Lee

Proceedings Volume 3251, (1998) https://doi.org/10.1117/12.306050

KEYWORDS: Optical coherence tomography, Speckle, Backscatter, Point spread functions, Destructive interference, Signal processing, Digital signal processing, Signal detection, Solids, Ultrasonography

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Proceedings Article | 13 January 1998 Paper

Speckle noise reduction for optical coherence tomography

S. Xiang, Liang Zhou, Joseph Schmitt

Proceedings Volume 3196, (1998) https://doi.org/10.1117/12.297921

KEYWORDS: Optical coherence tomography, Speckle, Denoising, Tissues, Wavelets, Image resolution, Image processing

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Proceedings Article | 13 January 1998 Paper

Spatial frequency analysis of OCT images

Liang Zhou, S. Xiang, Joseph Schmitt

Proceedings Volume 3196, (1998) https://doi.org/10.1117/12.297922

KEYWORDS: Optical coherence tomography, Spatial frequencies, Image analysis, Speckle, Computer simulations, Image resolution, Multiple scattering, Image processing, Tissues, Denoising

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SPIE Journal Paper | 1 January 1998 Open Access

Restoration of optical coherence images of living tissue using the CLEAN algorithm

Joseph Schmitt

JBO, Vol. 3, Issue 01, (January 1998) https://doi.org/10.1117/12.10.1117/1.429863

KEYWORDS: Optical coherence tomography, Point spread functions, Deconvolution, Scanners, Speckle, Tissues, Tissue optics, Signal to noise ratio, Coherence (optics), Image processing

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Proceedings Article | 18 August 1997 Paper

Optical scattering cross sections of biological tissue derived from a fractal scaling approximation

Hua Yang, Joseph Schmitt

Proceedings Volume 2979, (1997) https://doi.org/10.1117/12.280291

KEYWORDS: Fractal analysis, Tissue optics, Scattering, Tissues, Particles, Optical spheres, Backscatter, Refractive index, Biomedical optics, Proteins

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Proceedings Article | 22 May 1997 Paper

Deconvolution and enhancement of optical coherence tomograms

Joseph Schmitt, Zhou Liang

Proceedings Volume 2981, (1997) https://doi.org/10.1117/12.274321

KEYWORDS: Optical coherence tomography, Deconvolution, Tissue optics, Particles, Point spread functions, Tissues, Scanners, Backscatter, Reconstruction algorithms, Coherence (optics)

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Proceedings Article | 10 May 1996 Paper

Optimum wavelengths for measurement of blood hemoglobin content and tissue hydration by NIR spectrophotometry

Gitesh Kumar, Joseph Schmitt

Proceedings Volume 2678, (1996) https://doi.org/10.1117/12.239533

KEYWORDS: Blood, Absorption, Tissues, Reflectivity, Scattering, Skin, Spectrophotometry, Tissue optics, Near infrared, Spectroscopy

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Proceedings Article | 5 April 1996 Paper

Micro-optical properties of tissue

Gitesh Kumar, Joseph Schmitt

Proceedings Volume 2679, (1996) https://doi.org/10.1117/12.237578

KEYWORDS: Tissues, Tissue optics, Scattering, Fractal analysis, Liver, Particles, Light scattering, Spatial frequencies, Refraction, Binary data

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Proceedings Article | 12 April 1995 Paper

Contrast and resolution in the optical-coherence microscopy of dense biological tissue

Michael Yadlowsky, Joseph Schmitt, Robert Bonner

Proceedings Volume 2387, (1995) https://doi.org/10.1117/12.206822

KEYWORDS: Tissues, Speckle, Tissue optics, Scattering, Reflectivity, Signal to noise ratio, Refractive index, Monte Carlo methods, Backscatter, Light scattering

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Proceedings Article | 19 May 1994 Paper

Interferometric versus confocal techniques for imaging microstructures in turbid biological media

Joseph Schmitt, Alexander Knuettel, Michael Yadlowsky

Proceedings Volume 2135, (1994) https://doi.org/10.1117/12.175999

KEYWORDS: Microscopes, Confocal microscopy, Tissue optics, Objectives, Sensors, Scattering, Heterodyning, Signal detection, Light scattering, Particles

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Proceedings Article | 19 May 1994 Paper

Stationary low-coherence light-imaging and spectroscopy using a CCD camera

Alexander Knuettel, Joseph Schmitt, M. Shay, Jay Knutson

Proceedings Volume 2135, (1994) https://doi.org/10.1117/12.175998

KEYWORDS: Acousto-optics, Mirrors, Reflectometry, Charge-coupled devices, Spatial frequencies, Spectroscopy, CCD cameras, Interferometers, Sensors, Light emitting diodes

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Proceedings Article | 14 September 1993 Paper

Spatial localization using interfering photon density waves: contrast enhancement and limitations

Alexander Knuettel, Joseph Schmitt, R. Barnes, Jay Knutson

Proceedings Volume 1888, (1993) https://doi.org/10.1117/12.154650

KEYWORDS: Signal detection, Modulation, Sensors, Destructive interference, Phase shift keying, CCD cameras, Scattering, Optical filters, Signal attenuation, Absorption

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Proceedings Article | 3 September 1993 Paper

Optical characterization of dense tissues using low-coherence interferometry

Joseph Schmitt, Alexander Knuettel, Amir Gandjbakhche, Robert Bonner

Proceedings Volume 1889, (1993) https://doi.org/10.1117/12.155715

KEYWORDS: Tissues, Reflectometry, Reflectivity, Light scattering, Particles, Scattering, Tissue optics, Signal attenuation, Mirrors, Backscatter

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Proceedings Article | 6 May 1992 Paper

Measurement of blood hematocrit by dual-wavelength near-IR photoplethysmography

Joseph Schmitt, Guan-Xiong Zhou, Justin Miller

Proceedings Volume 1641, (1992) https://doi.org/10.1117/12.59360

KEYWORDS: Blood, Absorption, Scattering, Tissue optics, Skin, Tissues, Calibration, Oxygen, Sensors, Photoplethysmography

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Proceedings Article | 1 April 1992 Paper

Improvement of spatial resolution in reflectance near-infrared imaging by laser-beam interference

Alexander Knuettel, Joseph Schmitt, Jay Knutson

Proceedings Volume 1640, (1992) https://doi.org/10.1117/12.58232

KEYWORDS: Photons, Absorption, Destructive interference, Signal detection, Scattering, Sensors, Laser scattering, Phase measurement, Modulation, Laser spectroscopy

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