Dr. Dennis M. Healy Profile

Dr. Dennis M. Healy

Professor at DARPA

SPIE Involvement:

Author

Publications (28)

Proceedings Article | 4 September 2009 Paper

Inverse halftoning using a shearlet representation

Glenn Easley, Vishal Patel, Dennis Healy

Proceedings Volume 7446, 74460C (2009) https://doi.org/10.1117/12.825640

KEYWORDS: Diffusion, Deconvolution, Wavelets, Halftones, Image analysis, Image processing, Convolution, Image filtering, Denoising, Digital image processing

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Proceedings Article | 29 August 2008 Paper

GPU implementations for fast factorizations of STAP covariance matrices

Michael Roeder, Nolan Davis, Jeremy Furtek, Dennis Braunreiter, Dennis Healy

Proceedings Volume 7074, 707403 (2008) https://doi.org/10.1117/12.801580

KEYWORDS: Matrices, Algorithm development, Data processing, Chemical elements, Computer programming, Factor analysis, Microsystems, Graphics processing units, Computing systems, Signal processing

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Proceedings Article | 19 April 2008 Paper

Overview of implementation of DARPA GPU program in SAIC

Dennis Braunreiter, Jeremy Furtek, Hai-Wen Chen, Dennis Healy

Proceedings Volume 6979, 69790W (2008) https://doi.org/10.1117/12.791890

KEYWORDS: Visualization, Prototyping, Image processing, Parallel processing, Signal processing, Radar, Graphics processing units, 3D image processing, Target detection, Embedded systems

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Proceedings Article | 16 April 2008 Paper

Overview of DARPA MTO GPU program

Dennis Healy, Dennis Braunreiter, Jeremy Furtek, Hai-Wen Chen

Proceedings Volume 6979, 69790V (2008) https://doi.org/10.1117/12.791888

KEYWORDS: Signal processing, Visualization, Detection and tracking algorithms, Data modeling, 3D modeling, 3D image processing, Computer architecture, Fourier transforms, Object recognition, Computer programming

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Proceedings Article | 3 April 2008 Paper

Advanced image registration techniques and applications

Hai-Wen Chen, Dennis Braunreiter, Dennis Healy

Proceedings Volume 6979, 69790X (2008) https://doi.org/10.1117/12.791891

KEYWORDS: Image registration, Image processing, Target detection, Video, Super resolution, Imaging systems, Image enhancement, Target recognition, Picosecond phenomena, Long wavelength infrared

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Proceedings Article | 20 September 2007 Paper

An M-channel directional filter bank compatible with the contourlet and shearlet frequency tiling

Glenn Easley, Vishal Patel, Dennis Healy

Proceedings Volume 6701, 67010C (2007) https://doi.org/10.1117/12.734023

KEYWORDS: Transform theory, Image filtering, Wavelets, Discrete wavelet transforms, Deconvolution, Denoising, Electronic filtering, Distortion, Linear filtering, Reconstruction algorithms

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Proceedings Article | 29 April 2005 Paper

Measuring image similarity in the presence of noise

Gustavo Rohde, Carlos Berenstein, Dennis Healy

Proceedings Volume 5747, (2005) https://doi.org/10.1117/12.594964

KEYWORDS: Medical imaging, Image processing, Image registration

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Proceedings Article | 28 March 2005 Paper

Deconvolution in a ridgelet and curvelet domain

Glenn Easley, Carlos Berenstein, Dennis Healy

Proceedings Volume 5818, (2005) https://doi.org/10.1117/12.602822

KEYWORDS: Deconvolution, Radon transform, Signal to noise ratio, Convolution, Wavelets, Lab on a chip, Radon, Rutherfordium, Algorithm development, Point spread functions

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Proceedings Article | 22 October 2001 Paper

Acquisition and analysis of X-band moving target signature data using a 160-GHz compact range

Robert Giles, H. Neilson, Dennis Healy, Timothy Grayson, Robert Williams, William Nixon

Proceedings Volume 4379, (2001) https://doi.org/10.1117/12.445372

KEYWORDS: Doppler effect, Target acquisition, Radar, Scattering, Data acquisition, X band, Polarimetry, Data modeling, Image resolution, Dielectrics

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Proceedings Article | 4 December 2000 Paper

Rhomboidal local cosine transform

Douglas Warner, Dennis Healy, Daniel Rockmore

Proceedings Volume 4119, (2000) https://doi.org/10.1117/12.408637

KEYWORDS: Image segmentation, Dimension reduction, Magnetic resonance imaging, Matrices, Magnetism, Mathematics, Image compression, Video coding, Wavelets, Signal processing

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Proceedings Article | 4 December 2000 Paper

Differential affine motion estimation for medical image registration

Senthil Periaswamy, John Weaver, Dennis Healy, Daniel Rockmore, Peter Kostelec, Hany Farid

Proceedings Volume 4119, (2000) https://doi.org/10.1117/12.408594

KEYWORDS: Image registration, Motion estimation, Medical imaging, Error analysis, Affine motion model, Motion models, Mathematics, Fourier transforms, Image analysis, Computer science

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Proceedings Article | 21 May 1999 Paper

Automated multiscale elastic image registration using correlation

Senthil Periaswamy, John Weaver, Dennis Healy, Peter Kostelec

Proceedings Volume 3661, (1999) https://doi.org/10.1117/12.348641

KEYWORDS: Image registration, Image restoration, Image processing, Rigid registration, Mammography, Image segmentation, Chest, Brain, Magnetic resonance imaging, 3D image processing

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Proceedings Article | 22 March 1999 Paper

Multiresolution approach to object classification using kinematic features

Hai-Wen Chen, Harry Schmitt, Jack Riddle, Stephanie Mashima, Dennis Healy

Proceedings Volume 3723, (1999) https://doi.org/10.1117/12.342948

KEYWORDS: Wavelets, Discrete wavelet transforms, Missiles, Time-frequency analysis, Linear filtering, Modulation, Feature extraction, Detection and tracking algorithms, Computer simulations, Sensors

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Proceedings Article | 22 July 1997 Paper

Exploiting stochastic partitions for minefield detection

Carey Priebe, Tim Olson, Dennis Healy

Proceedings Volume 3079, (1997) https://doi.org/10.1117/12.280879

KEYWORDS: Stochastic processes, Image segmentation, Detection and tracking algorithms, Multispectral imaging, Image processing, Land mines, Process modeling, Image processing algorithms and systems, Sensors, Fermium

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Proceedings Article | 23 October 1996 Paper

Fast parallel implementation of the wavelet-packet best-basis algorithm on the MP-2 for real-time MRI

Sumit Chawla, Dennis Healy

Proceedings Volume 2825, (1996) https://doi.org/10.1117/12.255251

KEYWORDS: Image processing, Convolution, Wavelets, Linear filtering, Magnetic resonance imaging, Data modeling, Data processing, Computer programming, Signal processing, Data communications

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Proceedings Article | 16 April 1996 Paper

MR imaging with a reduced number of encoding steps

John Weaver, Dennis Healy, Douglas Warner, Sumit Chawla, Jian Lu

Proceedings Volume 2710, (1996) https://doi.org/10.1117/12.237981

KEYWORDS: Computer programming, Spatial frequencies, Signal to noise ratio, Magnetic resonance imaging, Image quality, Wavelets, Interference (communication), Image segmentation, Imaging spectroscopy, Functional magnetic resonance imaging

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Proceedings Article | 1 September 1995 Paper

Time-frequency division network for high-bandwidth fiber optic communications

Tim Olson, Dennis Healy, Ulf Oesterberg, Reese Prosser

Proceedings Volume 2569, (1995) https://doi.org/10.1117/12.217611

KEYWORDS: Modulation, Fiber optic communications, Time-frequency analysis, Optical fibers, Modulators, Receivers, Fourier transforms, Multiplexing, Scattering, Optical filters

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Proceedings Article | 6 April 1995 Paper

Statistical best bases for fast encoding in magnetic resonance imaging

Dennis Healy, Douglas Warner, John Weaver

Proceedings Volume 2491, (1995) https://doi.org/10.1117/12.205440

KEYWORDS: Magnetic resonance imaging, Computer programming, Signal to noise ratio, Magnetism, Fourier transforms, Data acquisition, Wavelets, Brain, Phase measurement, Head

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Proceedings Article | 6 April 1995 Paper

Linear and nonlinear effects upon adaptive waveform transmission in fiber optic communications

Reese Prosser, Tim Olson, Dennis Healy, Ulf Oesterberg

Proceedings Volume 2491, (1995) https://doi.org/10.1117/12.205390

KEYWORDS: Solitons, Fiber optic communications, Fiber optics, Nonlinear optics, Dispersion, Optical fibers, Modulation, Telecommunications, Multiplexing, Channel projecting optics

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Proceedings Article | 6 April 1995 Paper

Wavelet transform for local tomography reconstruction

Harold Szu, Joseph DeWitte, Joseph Garcia, Brian Telfer, Tim Olson, Dennis Healy, Rui de Figueiredo

Proceedings Volume 2491, (1995) https://doi.org/10.1117/12.205442

KEYWORDS: Tomography, Fourier transforms, Wavelets, X-rays, Wavelet transforms, Tumors, Reconstruction algorithms, Optical filters, Computed tomography, Image restoration

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Proceedings Article | 11 October 1994 Paper

Reduced motion artifacts in magnetic resonance imaging by adaptive spatio-temporal multiresolution reconstruction

Tim Olson, Dennis Healy, John Weaver

Proceedings Volume 2303, (1994) https://doi.org/10.1117/12.188793

KEYWORDS: Magnetic resonance imaging, Fourier transforms, Motion models, Radon transform, Reconstruction algorithms, Motion estimation, Data acquisition, Wavelets, Magnetism, Heart

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SPIE Journal Paper | 1 July 1994

Contrast enhancement of medical images using multiscale edge representation

Jian Lu, Dennis Healy, John Weaver

OE, Vol. 33, Issue 07, (July 1994) https://doi.org/10.1117/12.10.1117/12.172254

KEYWORDS: Image enhancement, Medical imaging, Wavelet transforms, Image contrast enhancement, Wavelets, Reconstruction algorithms, X-rays, Image processing, Denoising, Image segmentation

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