Dr. Jonathan K. Riek Profile

Dr. Jonathan K. Riek

Vice President at VirtualScopics Inc

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Publications (8)

Proceedings Article | 27 April 2009 Paper

Dynamic thresholding for hyperspectral shadow detection using Levenberg-Marquardt minimization on multiple Gaussian illumination distributions

Brian Wemett, Jonathan Riek, Robert Leathers

Proceedings Volume 7334, 733411 (2009) https://doi.org/10.1117/12.817826

KEYWORDS: Target detection, Signal to noise ratio, Detection and tracking algorithms, Data conversion, Single mode fibers, Hyperspectral imaging, Image segmentation, Hyperspectral target detection, Algorithms, Sensors

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Proceedings Article | 25 March 2008 Paper

A secure workflow-based automated research manager

Jonathan Riek, Brian Wemett, Dale Keefer, Robert Weetman, Anthony Mazzola, Robert Leathers, Trijntje Downes

Proceedings Volume 6978, 69780U (2008) https://doi.org/10.1117/12.777157

KEYWORDS: Image processing, Databases, Algorithm development, Detection and tracking algorithms, Image segmentation, Hyperspectral imaging, Computing systems, Image processing algorithms and systems, Research management, Data storage

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Proceedings Article | 15 May 2003 Paper

A method for fully automated measurement of neurological structures in MRI

Edward Ashton, Jonathan Riek, Larry Molinelli, Michel Berg, Kevin Parker

Proceedings Volume 5032, (2003) https://doi.org/10.1117/12.481390

KEYWORDS: Magnetic resonance imaging, Data modeling, Tissues, Head, Optical filters, Medical imaging, Software development, Matrices, Data processing, Surgery

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SPIE Journal Paper | 1 July 1998

Book Review: Video Coding: The Second Generation Approach. Edited by Luis Torres and Murat Kunt

Jonathan Riek

JEI, Vol. 7, Issue 03, (July 1998) https://doi.org/10.1117/12.10.1117/1.482603

KEYWORDS: Video coding, Video, Image segmentation, Video compression, Data modeling, 3D modeling, Computer programming, Motion estimation, Quantization, Mathematical modeling

Proceedings Article | 1 May 1994 Paper

Image-intensifier-based volume tomographic angiography imaging system: geometric distortion correction

Ruola Ning, Jonathan Riek, David Conover

Proceedings Volume 2163, (1994) https://doi.org/10.1117/12.174257

KEYWORDS: Image intensifiers, Distortion, Imaging systems, Tomography, Angiography, Medical imaging, Metals, 3D image reconstruction, Cameras, Sensors

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Proceedings Article | 1 June 1991 Paper

Correction of image-phase aberrations in MRI with applications

Jonathan Riek, A. Murat Tekalp, Warren Smith, Kevin Parker

Proceedings Volume 1445, (1991) https://doi.org/10.1117/12.45216

KEYWORDS: Fourier transforms, Magnetic resonance imaging, Image processing, Motion detection, Data acquisition, Phase shifts, Data modeling, Detection and tracking algorithms, Motion estimation, Krypton

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Proceedings Article | 1 June 1991 Paper

Modeling data acquisition and the effects of patient motion in magnetic resonance imaging

Jonathan Riek, Warren Smith, A. Murat Tekalp, Kevin Parker, Theophano Mitsa, J. Szumowski

Proceedings Volume 1445, (1991) https://doi.org/10.1117/12.45217

KEYWORDS: Motion models, Data modeling, Magnetic resonance imaging, Data acquisition, 3D modeling, Image processing, Mathematical modeling, 3D image processing, Fourier transforms, Computer programming

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Proceedings Article | 1 April 1991 Paper

Modeling and suppression of amplitude artifacts due to z motion in MR imaging

Jonathan Riek, Theophano Mitsa, Kevin Parker, Warren Smith, A. Murat Tekalp, J. Szumowski

Proceedings Volume 1398, (1991) https://doi.org/10.1117/12.47789

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Showing 5 of 8 publications

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