Dr. Victor Paúl Pauca Profile

Dr. Victor Paúl Pauca

Professor at Wake Forest Univ

SPIE Involvement:

Author

Proceedings Article | 28 February 2020 Paper

Automatic quantification of hip osteoarthritis from low-quality x-ray images

Giancarlos Gutiérrez C., Eveling Castro G., Javier Delgado O., Paúl Pauca, Stefan Klein, Hans Lamecker

Proceedings Volume 11317, 113172A (2020) https://doi.org/10.1117/12.2549434

KEYWORDS: Image segmentation, X-rays, X-ray imaging, Bone, Image resolution, Statistical modeling, Image analysis

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SPIE Journal Paper | 30 July 2013

Randomized methods in lossless compression of hyperspectral data

Qiang Zhang, Victor Pauca, Robert Plemmons

JARS, Vol. 7, Issue 01, 074598, (July 2013) https://doi.org/10.1117/12.10.1117/1.JRS.7.074598

KEYWORDS: Computer programming, Data compression, Chromium, Detection and tracking algorithms, Image compression, Reconstruction algorithms, Algorithms, Algorithm development, Hyperspectral imaging, Principal component analysis

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Proceedings Article | 17 May 2011 Paper

Challenging ocular image recognition

V. Paúl Pauca, Michael Forkin, Xiao Xu, Robert Plemmons, Arun Ross

Proceedings Volume 8029, 80291V (2011) https://doi.org/10.1117/12.885386

KEYWORDS: Iris recognition, Image segmentation, Databases, Biometrics, Detection and tracking algorithms, Image quality, Video, Image resolution, Eye, RGB color model

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Proceedings Article | 30 April 2009 Paper

A practical enhanced-resolution integrated optical-digital imaging camera (PERIODIC)

M. Mirotznik, S. Mathews, R. Plemmons, P. Pauca, T. Torgersen, R. Barnard, B. Gray, Q. Zhang, J. van der Gracht, P. Curt, M. Bodnar, S. Prasad

Proceedings Volume 7348, 734806 (2009) https://doi.org/10.1117/12.819484

KEYWORDS: Imaging systems, Cameras, Super resolution, Imaging arrays, High dynamic range imaging, Optical components, Image processing, Image resolution, CCD cameras, Charge-coupled devices

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Proceedings Article | 3 September 2008 Paper

Pupil phase encoding for multi-aperture imaging

V. Pauca, D. Chen, J. van der Gracht, R. Plemmons, S. Prasad, T. Torgersen

Proceedings Volume 7074, 70740D (2008) https://doi.org/10.1117/12.795985

KEYWORDS: Imaging systems, Point spread functions, Super resolution, Sensors, Image resolution, Cameras, Computer programming, Digital imaging, Inverse optics, Spatial resolution

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Proceedings Article | 25 August 2006 Paper

High-resolution iris image reconstruction from low-resolution imagery

R. Barnard, V. Pauca, T. Torgersen, R. Plemmons, S. Prasad, J. van der Gracht, J. Nagy, J. Chung, G. Behrmann, S. Mathews, M. Mirotznik

Proceedings Volume 6313, 63130D (2006) https://doi.org/10.1117/12.681930

KEYWORDS: Cameras, Iris recognition, Image resolution, Sensors, Image registration, Image quality, Imaging systems, Prototyping, Charge-coupled devices, Point spread functions

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Proceedings Article | 28 March 2005 Paper

Extended depth-of-field iris recognition system for a workstation environment

Ramkumar Narayanswamy, Paulo Silveira, Harsha Setty, V. Pauca, Joseph van der Gracht

Proceedings Volume 5779, (2005) https://doi.org/10.1117/12.603612

KEYWORDS: Imaging systems, Iris recognition, Wavefronts, Spatial frequencies, Modulation transfer functions, Signal to noise ratio, Sensors, Modulation, Biometrics, Image processing

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Proceedings Article | 26 October 2004 Paper

Pupil-phase optimization for extended-focus, aberration-corrected imaging systems

Sudhakar Prasad, V. Paul Pauca, Robert Plemmons, Todd Torgersen, Joseph van der Gracht

Proceedings Volume 5559, (2004) https://doi.org/10.1117/12.560235

KEYWORDS: Monochromatic aberrations, Point spread functions, Imaging systems, Image restoration, Personal protective equipment, Iris recognition, Modulation transfer functions, Image filtering, Signal to noise ratio, Image quality

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Proceedings Article | 26 October 2004 Paper

Computational imaging systems for iris recognition

Robert Plemmons, Michael Horvath, Emily Leonhardt, V. Pauca, Sudhakar Prasad, Stephen Robinson, Harsha Setty, Todd Torgersen, Joseph van der Gracht, Edward Dowski, Ramkumar Narayanswamy, Paulo Silveira

Proceedings Volume 5559, (2004) https://doi.org/10.1117/12.560186

KEYWORDS: Iris recognition, Imaging systems, Computing systems, Detection and tracking algorithms, Computational imaging, Image restoration, Image processing, Computer programming, Feature extraction, Cameras

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Proceedings Article | 15 July 2004 Paper

Iris recognition with enhanced depth-of-field image acquistion

Joseph van der Gracht, V. Pauca, Harsha Setty, Ramkumar Narayanswamy, Robert Plemmons, Sudhakar Prasad, Todd Torgersen

Proceedings Volume 5438, (2004) https://doi.org/10.1117/12.542151

KEYWORDS: Iris recognition, Detection and tracking algorithms, Imaging systems, Signal to noise ratio, Image restoration, Cameras, Aspheric lenses, Modulation transfer functions, Wavelets, Image filtering

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Proceedings Article | 24 December 2003 Paper

Integrated optical-digital approaches for enhancing image restoration and focus invariance

Victor Pauca, Robert Plemmons, Sudhakar Prasad, Todd Torgersen, Joseph van der Gracht

Proceedings Volume 5205, (2003) https://doi.org/10.1117/12.505309

KEYWORDS: Image restoration, Point spread functions, Modulation transfer functions, Imaging systems, Optical transfer functions, Interference (communication), Optical design, Integrated optics, Fourier transforms, Wavefronts

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Proceedings Article | 8 August 2003 Paper

Engineering the pupil phase to improve image quality

Sudhakar Prasad, Todd Torgersen, Victor Pauca, Robert Plemmons, Joseph van der Gracht

Proceedings Volume 5108, (2003) https://doi.org/10.1117/12.487572

KEYWORDS: Image restoration, Point spread functions, Image quality, Modulation transfer functions, Personal protective equipment, Imaging systems, Computer simulations, Signal to noise ratio, Computer programming, Monochromatic aberrations

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Proceedings Article | 30 July 2002 Paper

Experimental investigation of aliasing in the assessment of sampled images

Joseph van der Gracht, Gary Euliss, Victor Pauca

Proceedings Volume 4736, (2002) https://doi.org/10.1117/12.477570

KEYWORDS: Image filtering, Imaging systems, Cameras, Signal to noise ratio, Sensors, Optical filters, Spatial frequencies, Electronic filtering, Error analysis, Image registration

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Proceedings Article | 2 October 1998 Paper

Performance modeling of adaptive-optics imaging systems using fast Hankel transforms

Victor Pauca, Brent Ellerbroek, Nikos Pitsianis, Robert Plemmons, Xiaobai Sun

Proceedings Volume 3461, (1998) https://doi.org/10.1117/12.325694

KEYWORDS: Transform theory, Adaptive optics, Atmospheric optics, Performance modeling, Matrices, Wavefronts, Imaging systems, Atmospheric sciences, Bessel functions, Space telescopes

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Showing 5 of 14 publications

Conference Committee Involvement (3)

Advanced Signal Processing Algorithms, Architectures, and Implementations XVIII

10 August 2008 | San Diego, California, United States

Advanced Signal Processing Algorithms, Architectures, and Implementations XVI

15 August 2006 | San Diego, California, United States

Advanced Signal Processing Algorithms, Architectures, and Implementations XIV

4 August 2004 | Denver, Colorado, United States

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