Mr. Ludguier D. Montejo Profile

Ludguier D. Montejo

Graduate Research Assistant at Columbia Univ

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Publications (8)

SPIE Journal Paper | 15 July 2013 Open Access

Computer-aided diagnosis of rheumatoid arthritis with optical tomography, Part 2: image classification

Ludguier Montejo, Jingfei Jia, Hyun Kim, Uwe Netz, Sabine Blaschke, Gerhard Mueller, Andreas Hielscher

JBO, Vol. 18, Issue 07, 076002, (July 2013) https://doi.org/10.1117/12.10.1117/1.JBO.18.7.076002

KEYWORDS: Selenium, Scattering, Computer aided diagnosis and therapy, Image classification, Optical tomography, Data analysis, Neurons, Optimization (mathematics), Absorption, Magnetic resonance imaging

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SPIE Journal Paper | 15 July 2013 Open Access

Computer-aided diagnosis of rheumatoid arthritis with optical tomography, Part 1: feature extraction

Ludguier Montejo, Jingfei Jia, Hyun Kim, Uwe Netz, Sabine Blaschke, Gerhard Mueller, Andreas Hielscher

JBO, Vol. 18, Issue 07, 076001, (July 2013) https://doi.org/10.1117/12.10.1117/1.JBO.18.7.076001

KEYWORDS: Computer aided diagnosis and therapy, Feature extraction, Magnetic resonance imaging, Selenium, Optical tomography, Data modeling, Ultrasonography, Virtual colonoscopy, Scattering, Absorption

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Proceedings Article | 25 March 2013 Paper

Measurement operator for angular dependent photon propagation in contact-free optical tomography

Jingfei Jia, Jonghwan Lee, Ludguier Montejo, Hyun Kim, Andreas Hielscher

Proceedings Volume 8578, 857815 (2013) https://doi.org/10.1117/12.2003200

KEYWORDS: Optical tomography, Imaging systems, Solids, Diffuse optical tomography, CCD cameras, Sensors, Diffuse optical imaging, Radiative transfer, Optical fibers, CCD image sensors

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Proceedings Article | 25 March 2013 Paper

Evaluation of Fourier transform coefficients for the diagnosis of rheumatoid arthritis from diffuse optical tomography images

Ludguier Montejo, Jingfei Jia, Hyun Kim, Andreas Hielscher

Proceedings Volume 8578, 85781N (2013) https://doi.org/10.1117/12.2004846

KEYWORDS: Scattering, Absorption, Feature extraction, Fourier transforms, Diffuse optical tomography, Receivers, Diagnostics, Image processing, Light scattering, Optical properties

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Proceedings Article | 4 March 2013 Paper

A dynamic image reconstruction method with spatio-temporal constraints

Hyun Keol Kim, Michael Khahil, Jacqueline Gunther, Ludguier Montejo, Andreas Hielscher

Proceedings Volume 8581, 858131 (2013) https://doi.org/10.1117/12.2003394

KEYWORDS: Reconstruction algorithms, Image restoration, Chromophores, Tissues, Tissue optics, Inverse problems, Diffusion, Absorption, Gold, Algorithm development

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Proceedings Article | 22 February 2011 Paper

Analysis and classification of optical tomographic images of rheumatoid fingers with ANOVA and discriminate analysis

Ludguier Montejo, Hyun Kim, Yrjö Häme, Jingfei Jia, Julio Montejo, Uwe Netz, Sabine Blaschke, Paul Zwaka, Gerhard Müeller, Jürgen Beuthan, Andreas Hielscher

Proceedings Volume 7890, 78900L (2011) https://doi.org/10.1117/12.875977

KEYWORDS: Selenium, Image classification, Data analysis, Absorption, Scattering, Tissue optics, Tomography, Statistical analysis, Feature extraction, Computer aided diagnosis and therapy

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Proceedings Article | 17 February 2011 Paper

A finite-volume algorithm for modeling light transport with the time-independent simplified spherical harmonics approximation to the equation of radiative transfer

Ludguier Montejo, Hyun-Keol Kim, Andreas Hielscher

Proceedings Volume 7896, 78960J (2011) https://doi.org/10.1117/12.875967

KEYWORDS: Tissue optics, Numerical simulations, Radiative transfer, Spherical lenses, Surface plasmons, Scattering, Absorption, Composites, Diffusion, Light scattering

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Proceedings Article | 24 February 2009 Paper

Implementation of the radiative transfer equation on block-structured grids for modeling fluorescence light propagation in tissue with arbitrary shape

Ludguier Montejo, Alexander Klose, Andreas Hielscher

Proceedings Volume 7174, 717410 (2009) https://doi.org/10.1117/12.810067

KEYWORDS: Luminescence, Radiative transfer, Tissue optics, Fluorescence tomography, Imaging systems, Modulation, Performance modeling, Solids, Radio propagation, Biomedical engineering

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Showing 5 of 8 publications

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