Dr. Alfred O. Hero Profile

Dr. Alfred O. Hero

Research Assistant at Univ of Michigan

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Author

Publications (27)

Proceedings Article | 14 May 2016 Paper

Kronecker STAP and SAR GMTI

Kristjan Greenewald, Edmund Zelnio, Alfred Hero

Proceedings Volume 9843, 98430E (2016) https://doi.org/10.1117/12.2223896

KEYWORDS: Target detection, Synthetic aperture radar, Image resolution, Detection and tracking algorithms, Radar, Antennas, Doppler effect, Image enhancement, Data modeling, Spatial resolution

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Proceedings Article | 13 June 2014 Paper

Kronecker PCA based spatio-temporal modeling of video for dismount classification

Kristjan Greenewald, Alfred Hero

Proceedings Volume 9093, 90930V (2014) https://doi.org/10.1117/12.2050184

KEYWORDS: Video, Video surveillance, Feature extraction, Statistical analysis, Matrices, Principal component analysis, Gait analysis, Particle filters, Surveillance, Statistical modeling

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Proceedings Article | 13 June 2014 Paper

Cramér Rao lower bound analysis of multichannel SAR with spatially varying, correlated noise

Gregory Newstadt, Alfred Hero

Proceedings Volume 9093, 90930L (2014) https://doi.org/10.1117/12.2058257

KEYWORDS: Antennas, Synthetic aperture radar, Radar, Error analysis, Target detection, Data modeling, Speckle, Receivers, Computing systems, Statistical analysis

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Proceedings Article | 27 September 2013 Paper

Local hub screening in sparse correlation graphs

Hamed Firouzi, Alfred Hero

Proceedings Volume 8858, 88581H (2013) https://doi.org/10.1117/12.2024361

KEYWORDS: Matrices, Electrical engineering, Computer science, Sensor networks, Wavelets, Current controlled current source, Optical spheres, Spherical lenses, Nickel, Numerical simulations

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Proceedings Article | 3 June 2013 Paper

Adaptive resource allocation for synthetic aperture radars under resource constraints

Gregory Newstadt, Edmund Zelnio, Alfred Hero

Proceedings Volume 8746, 87460F (2013) https://doi.org/10.1117/12.2020649

KEYWORDS: Synthetic aperture radar, Target detection, Antennas, Detection and tracking algorithms, Radar, Interferometry, Computing systems, Phase interferometry, Data modeling, Phase measurement

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Proceedings Article | 7 May 2012 Paper

A generalizable hierarchical Bayesian model for persistent SAR change detection

Gregory Newstadt, Edmund Zelnio, Alfred Hero

Proceedings Volume 8394, 83940K (2012) https://doi.org/10.1117/12.925072

KEYWORDS: Synthetic aperture radar, Antennas, Detection and tracking algorithms, Target detection, Speckle, Radar, Calibration, Systems modeling, Performance modeling, Motion models

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Proceedings Article | 10 February 2012 Paper

Variational semi-blind sparse image reconstruction with application to MRFM

Se Un Park, Nicolas Dobigeon, Alfred Hero

Proceedings Volume 8296, 82960G (2012) https://doi.org/10.1117/12.923764

KEYWORDS: Point spread functions, Image restoration, Reconstruction algorithms, Deconvolution, Monte Carlo methods, Computer simulations, Expectation maximization algorithms, 3D image processing, Image analysis, Bayesian inference

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Proceedings Article | 20 May 2011 Paper

Persistent SAR change detection with posterior models

Gregory Newstadt, Edmund Zelnio, Alfred Hero

Proceedings Volume 8051, 80510R (2011) https://doi.org/10.1117/12.888956

KEYWORDS: Synthetic aperture radar, Lithium, Antennas, Speckle, Target detection, Lawrencium, Systems modeling, Statistical analysis, Radar, Error analysis

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Proceedings Article | 8 February 2011 Paper

Myopic sparse image reconstruction with application to MRFM

Se Un Park, Nicolas Dobigeon, Alfred Hero

Proceedings Volume 7873, 787303 (2011) https://doi.org/10.1117/12.881450

KEYWORDS: Point spread functions, Reconstruction algorithms, Image restoration, Convolution, Magnetism, Deconvolution, Computer simulations, Monte Carlo methods, Statistical analysis, Instrument modeling

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Proceedings Article | 8 February 2011 Paper

Fisher information embedding for video indexing and retrieval

Xu Chen, Alfred Hero

Proceedings Volume 7873, 78730A (2011) https://doi.org/10.1117/12.874036

KEYWORDS: Video, Principal component analysis, Visualization, Expectation maximization algorithms, Statistical modeling, Multimedia, Feature extraction, Distance measurement, Cameras, Video processing

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Proceedings Article | 19 April 2010 Paper

Detection/tracking of moving targets with synthetic aperture radars

Gregory Newstadt, Edmund Zelnio, Leroy Gorham, Alfred Hero

Proceedings Volume 7699, 76990I (2010) https://doi.org/10.1117/12.850345

KEYWORDS: Target detection, Detection and tracking algorithms, Synthetic aperture radar, Particle filters, Filtering (signal processing), Roads, Data modeling, Radar, Motion models, Global Positioning System

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Proceedings Article | 3 September 2008 Paper

Using directed information for influence discovery in interconnected dynamical systems

Arvind Rao, Alfred Hero, David States, James Douglas Engel

Proceedings Volume 7074, 70740P (2008) https://doi.org/10.1117/12.801360

KEYWORDS: Diffusion tensor imaging, Dynamical systems, Kidney, Biological research, Neuroscience, Biology, Computational neuroscience, Receptors, Molecules, Beryllium

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Proceedings Article | 26 February 2008 Paper

Blind reconstruction of sparse images with unknown point spread function

Kyle Herrity, Raviv Raich, Alfred Hero

Proceedings Volume 6814, 68140K (2008) https://doi.org/10.1117/12.779253

KEYWORDS: Point spread functions, Reconstruction algorithms, Algorithm development, Magnetism, Image restoration, Deconvolution, Convolution, Microscopy, Magnetic resonance imaging, Cameras

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Proceedings Article | 8 March 2007 Paper

Joint registration of multiple images using entropic graphs

Bing Ma, Ramakrishnan Narayanan, Hyunjin Park, Alfred Hero, Peyton Bland, Charles Meyer

Proceedings Volume 6512, 65122A (2007) https://doi.org/10.1117/12.709904

KEYWORDS: Image registration, Tumors, Gaussian filters, Statistical analysis, Interference (communication), Medical imaging, Feature extraction, Image filtering, Wavelets, Statistical modeling

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Proceedings Article | 18 May 2006 Paper

Confirmation sensor scheduling using a reinforcement learning approach

Jay Marble, Doron Blatt, Alfred Hero

Proceedings Volume 6217, 62172V (2006) https://doi.org/10.1117/12.665900

KEYWORDS: Sensors, Land mines, Electromagnetic coupling, General packet radio service, Metals, Radar, Sensor technology, Image sensors, Nonmetals, Seismic sensors

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Proceedings Article | 8 May 2006 Paper

See Through The Wall detection and classification of scattering primitives

Jay Marble, Alfred Hero

Proceedings Volume 6210, 62100B (2006) https://doi.org/10.1117/12.665934

KEYWORDS: Radar, Scattering, Polarimetry, Data modeling, Unattended ground sensors, Sensors, Antennas, Radar imaging, Detection and tracking algorithms, Wave propagation

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Proceedings Article | 10 March 2006 Paper

Cardiac motion estimation by using high-dimensional features and K-means clustering method

Estanislao Oubel, Alfred Hero, Alejandro Frangi

Proceedings Volume 6144, 614417 (2006) https://doi.org/10.1117/12.653921

KEYWORDS: Magnetic resonance imaging, Motion estimation, Discrete wavelet transforms, Image registration, Rigid registration, Wavelets, Strain analysis, Heart, Principal component analysis, Gold

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Proceedings Article | 10 June 2005 Paper

Sensor management for landmine detection

Jay Marble, Alfred Hero, Andrew Yagle

Proceedings Volume 5794, (2005) https://doi.org/10.1117/12.602756

KEYWORDS: Sensors, Land mines, Metals, Active remote sensing, Iron, Mining, General packet radio service, Electromagnetic coupling, Ground penetrating radar, Electromagnetism

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Proceedings Article | 10 June 2005 Paper

Multimodal adaptive landmine detection using EMI and GPR

Jay Marble, Andrew Yagle, Alfred Hero

Proceedings Volume 5794, (2005) https://doi.org/10.1117/12.602761

KEYWORDS: Sensors, Land mines, Electromagnetic coupling, General packet radio service, Metals, Environmental sensing, Mining, Electromagnetism, Dielectrics, Ground penetrating radar

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Proceedings Article | 26 May 2005 Paper

Multi-platform information-based sensor management

Chris Kreucher, Keith Kastella, Alfred Hero

Proceedings Volume 5820, (2005) https://doi.org/10.1117/12.608436

KEYWORDS: Sensors, Motion models, Target detection, Physics, Surveillance, Signal to noise ratio, Kinematics, Particle filters, Detection and tracking algorithms, Data modeling

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Proceedings Article | 29 April 2005 Paper

Assessment of artery dilation by using image registration based on spatial features

Estanislao Oubel, Huzefa Neemuchwala, Alfred Hero, Loic Boisrobert, Martin Laclaustra, Alejandro Frangi

Proceedings Volume 5747, (2005) https://doi.org/10.1117/12.595381

KEYWORDS: Image registration, Independent component analysis, Arteries, Image quality standards, Gold, Image quality, Image restoration, Principal component analysis, Structured optical fibers, Ultrasonography

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Proceedings Article | 11 March 2005 Paper

Image registration in high-dimensional feature space

Huzefa Neemuchwala, Alfred Hero

Proceedings Volume 5674, (2005) https://doi.org/10.1117/12.597635

KEYWORDS: Image registration, Breast, Independent component analysis, Ultrasonography, Databases, Statistical analysis, Feature extraction, Tumors, Infrared imaging, Tissues

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Proceedings Article | 5 January 2004 Paper

Information-based sensor management for multitarget tracking

Chris Kreucher, Keith Kastella, Alfred Hero

Proceedings Volume 5204, (2004) https://doi.org/10.1117/12.502699

KEYWORDS: Sensors, Particles, Detection and tracking algorithms, Particle filters, Signal to noise ratio, Motion models, Surveillance, Sensor performance, Kinematics, Time metrology

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Proceedings Article | 5 January 2004 Paper

Tracking multiple targets using a particle filter representation of the joint multitarget probability density

Chris Kreucher, Keith Kastella, Alfred Hero

Proceedings Volume 5204, (2004) https://doi.org/10.1117/12.502696

KEYWORDS: Particles, Kinematics, Particle filters, Surveillance, Sensors, Nonlinear filtering, Filtering (signal processing), Detection and tracking algorithms, Space sensors, Motion measurement

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Proceedings Article | 22 September 1998 Paper

Robust entropy estimation strategies based on edge weighted random graphs

Alfred Hero, Olivier Michel

Proceedings Volume 3459, (1998) https://doi.org/10.1117/12.323804

KEYWORDS: Statistical analysis, Radon, Algorithms, Estimation theory, Image processing, Process modeling, Pattern recognition, Data processing, Very large scale integration, Optimization (mathematics)

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Proceedings Article | 22 October 1996 Paper

Separating desired image and signal invariant components from extraneous variations

William Williams, Eugene Zalubas, Alfred Hero

Proceedings Volume 2846, (1996) https://doi.org/10.1117/12.255439

KEYWORDS: Raster graphics, Optical character recognition, Matrices, Time-frequency analysis, Image segmentation, Image processing, Pattern recognition, Signal processing, Image classification, Contamination

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Proceedings Article | 1 December 1991 Paper

Uncertainty, information, and time-frequency distributions

William Williams, Mark Brown, Alfred Hero

Proceedings Volume 1566, (1991) https://doi.org/10.1117/12.49818

KEYWORDS: Time-frequency analysis, Signal processing, Quantum mechanics, Signal detection, Signal analysis, Fourier transforms, Particles, Wavelet transforms, Electrical engineering, Computer science

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Showing 5 of 27 publications

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