H. Guo

Publication List Details

Period

0000 - 2009

Number

100

Co-Authors

Diffeomorphic Point Matching (2009)

H. Guo, A. Rangarajan, S. C. Joshi

In medical imaging and computer vision, the problem of registering point-sets that differ by an unknown non-rigid transformation frequently arises. We discuss the matching problem of shapes...

Concurrent observations of air pollutants at two sites in the Pearl River Delta and the implication of regional transport (2009)

H. Guo, F. Jiang, H. R. Cheng, I. J. Simpson, X. M. Wang, A. J. Ding, ...

An intensive field measurement study was conducted simultaneously at a site within the inland Pearl River Delta (PRD) region (WQS) and a site in Hong Kong (TC) between 22 October and 1 December 2007....

Concurrent observations of air pollutants at two sites in the Pearl River Delta and the implication of regional transport (2009)

H. Guo, F. Jiang, H. R. Cheng, I. J. Simpson, X. M. Wang, A. J. Ding, ...

An intensive field measurement study was conducted simultaneously at a site within the inland Pearl River Delta (PRD) region (WQS) and a site in Hong Kong (TC) between 22 October and 1 December 2007....

Real space first-principles derived semiempirical pseudopotentials applied to tunneling magnetoresistance (2008)

Bevan, K. H., Low, Tony, Guo, H.

In this letter we present a real space density functional theory (DFT) localized basis set semi-empirical pseudopotential (SEP) approach. The method is applied to iron and magnesium oxide, where bulk...

Develop a Multi Interface Based Detection Module for Home Automation (2008)

Ting L. Chien, Kuo L. Su, H. Guo

The security and appliance of building, home is essential, to human life. A unlucky event was often caused by the negligence of humans. We have developed a multi interface based security system for...

First-principles nonequilibrium analysis of STM-induced molecular negative-differential resistance on Si(100) (2008)

Bevan, Kirk Huw, Kienle, D, Guo, H, Datta, Supriyo

We report on theoretical investigations of scanning tunneling microscopy (STM)- induced molecular negative-differential resistance (NDR) on heavily p-type doped Si(100). Calculations are performed...

Does the threshold representation associated with the autoconversion process matter? (2008)

Guo, H., Liu, Y., Penner, J. E.

Different ad hoc threshold functions associated with the autoconversion process have been arbitrarily used in atmospheric models. However, it is unclear how these ad hoc functions impact model...

Does the threshold representation associated with the autoconversion process matter? (2008)

Guo, H., Liu, Y., Penner, J. E.

Different ad hoc threshold functions associated with the autoconversion process have been arbitrarily used in atmospheric models. However, it is unclear how these ad hoc functions impact model...

Colloidal monolayer trapped near a charged wall: A synchrotron x-ray diffraction study (2008)

Satapathy, D.K., Bunk, O., Jefimovs, K., Nygård, K., Guo, H., Diaz, A., ...

Using x-ray diffraction from microfluidic channel arrays, we have determined concentration profiles of charge-stabilized silica colloids (radius 60±2 nm) confined between two like-charged dielectric...

Does the threshold representation associated with the autoconversion process matter? (2008)

H. Guo, Y. Liu, J. E. Penner

Different ad hoc threshold functions associated with the autoconversion process have been arbitrarily used in atmospheric models. However, it is unclear how these ad hoc functions impact model...

Effects of model resolution on entrainment (inversion heights), cloud-radiation interactions, and cloud radiative forcing (2008)

H. Guo, Y. Liu, P. H. Daum, X. Zeng, X. Li

We undertook three-dimensional numerical studies of a marine stratus deck under a strong inversion using an interactive shortwave- and longwave-radiation module. A suite of sensitivity tests were...

Reversible phase transition of colloids in a binary liquid solvent (2008)

Guo, H., Narayanan, T., Sztuchi, M., Schall, P., Wegdam, G.H.

We report fluid-fluid and fluid-solid phase transitions of charge-stabilized polystyrene particles suspended in a binary liquid mixture of 3-methylpyridine and water. These thermally reversible phase...

Computer Processing of Nemeth Braille Math Notation (Extended Abstract) (2007)

Extended Abstract, H. Guo, G. Gupta, J. Mendez, C. Weaver, A. Karshmer, ...

) H. Guo, G. Gupta, J. Mendez, C. Weaver, A. Karshmer, S. Geiger The MAVIS Group New Mexico State University Las Cruces, NM 88003 1 The Problem: Converting Nemeth Math to L A T E X Nemeth Braille...

Speckle Reduction By Wavelet Thresholding Combined With (spatial) Polarimetric Whitening Of Sar For Applications To Atd/r (2007)

Odegard Guo Lang, H. Guo, M. Lang, C. S. Burrus, R. O. Wells, L. M. Novak, ...

One of the major problems of processing of synthetic aperture radar (SAR) is speckle or coherent noise [3, 1] which typically can be modeled as multiplicative noise. Recently some of the authors...

PROSPECTS FOR DEVELOPING MICROWAVE AMPLIFIERS TO DRIVE MULTI - TeV COLLIDERS (2007)

Granatstein Nusinovich Calame, V. L. Granatstein, G. S. Nusinovich, J. Calame, W. Lawson, A. Singh, ...

In multi-TeV linear colliders, overall accelerator length can be kept reasonable only if a high value of accelerating field is chosen, and this implies a relatively high value of rf frequency in...

Dynamics of Viscous Fingers and Threshold Instability (2007)

H. Guo, Daniel C. Hong, Douglas A. Kurtze

We present a detailed weakly nonlinear analysis, along with a solvability analysis, of a new instability in viscous fingering which we term the SurfaceTension -Driven instability. This instability...

Phase-preserving Compression of Seismic Data using the Self-adjusting Wavelet Transform (2007)

H. Guo, C.S. Burrus

Phase information is crucial for seismic data processing. However, traditional compression schemes do not pay special attention in preserving the phase of the seismic data, resulting in the loss of...

Nonequilibrium Ginzburg-Landau model driven by colored noise (2007)

Sancho Garc'ia-Ojalvo, J. M. Sancho, H. Guo

this paper we shall focus on the Langevin dynamics which does not go to equilibrium at large time. In particular we shall study the model (1-2) in the special situation characterized by the fact that...

z (2007)

M. Lang, H. Guo, J. E. Odegard, C. S. Burrus, R. O. Wells

A novel approach for noise reduction is presented. Similar to Donoho, we employ thresholding in some wavelet transform domain but use a nondecimated and consequently redundant wavelet transform...

Building the Tower of Babel: (2007)

Converting Xml Documents, G. Gupta, O. El Khatib, M. F. Noamany, H. Guo

A recent innovation in the arena of World Wide Web is XML (eXtensible Markup Language).

Universal quantized spin-Hall conductance fluctuation in graphene (2007)

Qiao, Z. H., Wang, J., Wei, Y. D., Guo, H.

We report a theoretical investigation of quantized spin-Hall conductance fluctuation of graphene devices in the diffusive regime. Two graphene models that exhibit quantized spin-Hall effect (QSHE)...

Quantum inductance and negative electrochemical capacitance at finite frequency (2007)

Wang, J., Wang, B. G., Guo, H.

We report on theoretical investigations of frequency dependent quantum capacitance. It is found that at finite frequency a quantum capacitor can be characterized by a classical RLC circuit with three...

Nanostenciling for combinatorial fabrications and interconnections of nanopatterns and microelectrodes (2007)

Guo, H, Martrou, D, Zambelli, T, Polesel-Maris, J, Piednoir, A, Dujardin, E, ...

Stencil lithography is used for patterning and connecting nanostructures with metallic microelectrodes in ultrahigh vacuum. Microelectrodes are fabricated by static stencil deposition through a thin...

Confinement-induced liquid ordering investigated by x-ray phase retrieval (2007)

Bunk, O., Diaz, A., Pfeiffer, F., David, C., Padeste, C., Keymeulen, H., ...

Using synchrotron x-ray diffraction, we have determined the ensemble-averaged density profile of colloidal fluids within confining channels of different widths. We observe an oscillatory...

Does the threshold representation associated with the autoconversion process matter? (2007)

Guo, H., Liu, Y., Penner, J. E.

Different ad hoc threshold functions associated with the autoconversion process have been arbitrarily used in atmospheric models. However, it is unclear how these ad hoc functions impact model...

Examination of the aerosol indirect effect under contrasting environments during the ACE-2 experiment (2007)

Guo, H., Penner, J. E., Herzog, M., Pawlowska, H.

The Active Tracer High-resolution Atmospheric Model (ATHAM) has been adopted to examine the aerosol indirect effect in contrasting clean and polluted cloudy boundary layers during the Second Aerosol...

Does the threshold representation associated with the autoconversion process matter? (2007)

Guo, H., Liu, Y., Penner, J. E.

Different ad hoc threshold functions associated with the autoconversion process have been arbitrarily used in atmospheric models. However, it is unclear how these ad hoc functions impact model...

Examination of the aerosol indirect effect under contrasting environments during the ACE-2 experiment (2007)

Guo, H., Penner, J. E., Herzog, M., Pawlowska, H.

The Active Tracer High-resolution Atmospheric Model (ATHAM) has been adopted to examine the aerosol indirect effect in contrasting clean and polluted cloudy boundary layers during the Second Aerosol...

Does the threshold representation associated with the autoconversion process matter? (2007)

H. Guo, Y. Liu, J. E. Penner

Different ad hoc threshold functions associated with the autoconversion process have been arbitrarily used in atmospheric models. However, it is unclear how these ad hoc functions impact model...

Ab-initio GMR and current-induced torques in Au/Cr multilayers (2006)

Haney, P. M., Waldron, D., Duine, R. A., Nunez, A. S., Guo, H., MacDonald, A. H.

We report on an {\em ab-initio} study of giant magnetoresistance (GMR) and current-induced-torques (CITs) in Cr/Au multilayers that is based on non-equilibrium Green's functions and spin density...

Current Induced Order Parameter Dynamics: Microscopic Theory Applied to Co/Cu/Co spin valves (2006)

Haney, P. M., Waldron, D., Duine, R. A., Nunez, A. S., Guo, H., MacDonald, A. H.

Transport currents can alter alter order parameter dynamics and change steady states in superconductors, in ferromagnets, and in hybrid systems. In this article we present a scheme for fully...

An Integrated Real-Time Roof Monitoring System for Underground Coal Mines (2006)

Shen, B., Guo, H., King, A., Wood, M.

CSIRO has been conducting a five-year research project under the sponsorship of JCOAL and Ulan Mine to develop a real-time roof monitoring and roof fall warning system for underground coal mines. A...

De hydrodynamica van samenvloeiende druppels (2006)

Lekkerkerker, H.N.W., Guo, H., Wegdam, G.H., Bonn, D.

De verhouding tussen grote en kleine druppels in een regenbui of in een emulsie (mayonaise, dagcrème, boorvloeistoffen voor de olie-industrie) wordt onder andere bepaald door het samenvloeien, ofwel...

Examining aerosol indirect effect under contrasting environments during the ACE-2 experiment (2006)

Guo, H., Penner, J. E., Herzog, M., Pawlowska, H.

The Active Tracer High-resolution Atmospheric Model (ATHAM) has been adopted to examine the aerosol indirect effect in contrasting clean and polluted cloudy boundary layers during the Second Aerosol...

Aerosol direct radiative effects over the northwest Atlantic, northwest Pacific, and North Indian Oceans: estimates based on in-situ chemical and optical measurements and chemical transport modeling (2006)

Bates, T. S., Anderson, T. L., Baynard, T., Bond, T., Boucher, O., Carmichael, G., ...

The largest uncertainty in the radiative forcing of climate change over the industrial era is that due to aerosols, a substantial fraction of which is the uncertainty associated with scattering and...

Aerosol direct radiative effects over the northwest Atlantic, northwest Pacific, and North Indian Oceans: estimates based on in-situ chemical and optical measurements and chemical transport modeling (2006)

Bates, T. S., Anderson, T. L., Baynard, T., Bond, T., Boucher, O., Carmichael, G., ...

The largest uncertainty in the radiative forcing of climate change over the industrial era is that due to aerosols, a substantial fraction of which is the uncertainty associated with scattering and...

Examining aerosol indirect effect under contrasting environments during the ACE-2 experiment (2006)

Guo, H., Penner, J. E., Herzog, M., Pawlowska, H.

The Active Tracer High-resolution Atmospheric Model (ATHAM) has been adopted to examine the aerosol indirect effect in contrasting clean and polluted cloudy boundary layers during the Second Aerosol...

Aerosol direct radiative effects over the northwest Atlantic, northwest Pacific, and North Indian Oceans: estimates based on in-situ chemical and optical measurements and chemical transport modeling (2006)

Bates, T. S., Anderson, T. L., Baynard, T., Bond, T., Boucher, O., Carmichael, G., ...

The largest uncertainty in the radiative forcing of climate change over the industrial era is that due to aerosols, a substantial fraction of which is the uncertainty associated with scattering and...

Aerosol direct radiative effects over the northwest Atlantic, northwest Pacific, and North Indian Oceans: estimates based on in-situ chemical and optical measurements and chemical transport modeling (2006)

Bates, T. S., Anderson, T. L., Baynard, T., Bond, T., Boucher, O., Carmichael, G., ...

The largest uncertainty in the radiative forcing of climate change over the industrial era is that due to aerosols, a substantial fraction of which is the uncertainty associated with scattering and...

Model intercomparison of indirect aerosol effects (2006)

Penner, J. E., Quaas, J., Storelvmo, T., Takemura, T., Boucher, O., Guo, H., ...

Modeled differences in predicted effects are increasingly used to help quantify the uncertainty of these effects. Here, we examine modeled differences in the aerosol indirect effect in a series of...

Model intercomparison of indirect aerosol effects (2006)

Penner, J. E., Quaas, J., Storelvmo, T., Takemura, T., Boucher, O., Guo, H., ...

Modeled differences in predicted effects are increasingly used to help quantify the uncertainty of these effects. Here, we examine modeled differences in the aerosol indirect effect in a series of...

Model intercomparison of indirect aerosol effects (2006)

Penner, J. E., Quaas, J., Storelvmo, T., Takemura, T., Boucher, O., Guo, H., ...

Modeled differences in predicted effects are increasingly used to help quantify the uncertainty of these effects. Here, we examine modeled differences in the aerosol indirect effect in a series of...

Model intercomparison of indirect aerosol effects (2006)

Penner, J. E., Quaas, J., Storelvmo, T., Takemura, T., Boucher, O., Guo, H., ...

Modeled differences in predicted effects are increasingly used to help quantify the uncertainty of these effects. Here, we examine modeled differences in the aerosol indirect effect in a series of...

An Integrated Real-Time Roof Monitoring System for Underground Coal Mines (2006)

Shen, B., Guo, H., King, A., Wood, M.

CSIRO has been conducting a five-year research project under the sponsorship of JCOAL and Ulan Mine to develop a real-time roof monitoring and roof fall warning system for underground coal mines. A...

An Integrated Real-Time Roof Monitoring System for Underground Coal Mines (2006)

Shen, B., Guo, H., King, A., Wood, M.

CSIRO has been conducting a five-year research project under the sponsorship of JCOAL and Ulan Mine to develop a real-time roof monitoring and roof fall warning system for underground coal mines. A...

Aerosol direct radiative effects over the northwest Atlantic, northwest Pacific, and North Indian Oceans: estimates based on in-situ chemical and optical measurements and chemical transport modeling (2006)

T. S. Bates, T. L. Anderson, T. Baynard, T. Bond, O. Boucher, G. Carmichael, ...

The largest uncertainty in the radiative forcing of climate change over the industrial era is that due to aerosols, a substantial fraction of which is the uncertainty associated with scattering and...

Model intercomparison of indirect aerosol effects (2006)

J. E. Penner, J. Quaas, T. Storelvmo, T. Takemura, O. Boucher, H. Guo, ...

Modeled differences in predicted effects are increasingly used to help quantify the uncertainty of these effects. Here, we examine modeled differences in the aerosol indirect effect in a series of...

Examining aerosol indirect effect under contrasting environments during the ACE-2 experiment (2006)

H. Guo, J. E. Penner, M. Herzog, H. Pawlowska

The Active Tracer High-resolution Atmospheric Model (ATHAM) has been adopted to examine the aerosol indirect effect in contrasting clean and polluted cloudy boundary layers during the Second Aerosol...

Identification and characterization of avihepadnaviruses isolated from exotic anseriformes maintained in captivity (2005)

Guo, H., Mason, W. S., Aldrich, Carol E., Saputelli, J., Miller, Darren Scott, Jilbert, Allison Rae, ...

Five new hepadnaviruses were cloned from exotic ducks and geese, including the Chiloe wigeon, mandarin duck, puna teal, Orinoco sheldgoose, and ashy-headed sheldgoose. Sequence comparisons revealed...

Microcavity arrays for X-ray diffraction studies of ordering phenomena in confined colloid solutions (2005)

Diaz, A., David, C., Guo, H., Keymeulen, H., Pfeiffer, F., Wegdam, G., ...

We present a way to fabricate high-aspect-ratio silicon microcavity arrays which can be used for the investigation of confinement-induced ordering phenomena within colloid solutions. In these...

Identification and characterization of avihepadnaviruses isolated from exotic anseriformes maintained in captivity (2005)

Guo, H., Mason, W. S., Aldrich, Carol E., Saputelli, J., Miller, Darren Scott, Jilbert, Allison Rae, ...

Five new hepadnaviruses were cloned from exotic ducks and geese, including the Chiloe wigeon, mandarin duck, puna teal, Orinoco sheldgoose, and ashy-headed sheldgoose. Sequence comparisons revealed...

L.: Non-rigid registration of shapes via diffeomorphic point matching. ISBI (2004)

H. Guo, A. Rangarajan, S. Joshi, L. Younes

Diffeomorphic non-rigid registration of shapes is a very difficult problem. We use the point-set representation for shapes since statistical shape analysis in this space is relatively...

The pathogenetic role of immunoglobulin G from patients with systemic lupus erythematosus in the development of lupus pleuritis (2004)

Guo, H., Leung, J. C. K., Chan, L. Y. Y., Chan, T. M., Lai, K. N.

Objective. To investigate the pathophysiological effect of immunoglobulin G (IgG) from systemic lupus erythematosus (SLE) patients on pleural mesothelial cells and related mechanisms. Methods. Serum...

The pathogenetic role of immunoglobulin G from patients with systemic lupus erythematosus in the development of lupus pleuritis (2003)

Guo, H., Leung, J. C. K., Chan, L. Y. Y., Chan, T. M., Lai, K. N.

Objective. To investigate the pathophysiological effect of immunoglobulin G (IgG) from systemic lupus erythematosus (SLE) patients on pleural mesothelial cells and related mechanisms. Methods. Serum...

The pathogenetic role of immunoglobulin G from patients with systemic lupus erythematosus in the development of lupus pleuritis (2003)

Guo, H., Leung, J. C. K., Chan, L. Y. Y., Chan, T. M., Lai, K. N.

Objective. To investigate the pathophysiological effect of immunoglobulin G (IgG) from systemic lupus erythematosus (SLE) patients on pleural mesothelial cells and related mechanisms. Methods. Serum...

Re � ectance, dielectric constant and chemical content of selected sedimentary rocks (2002)

Q. J. Tian, P. Gong, B. Xu, X. Wang, H. Guo, Q. Tong

Abstract. Relationships among average spectral re � ectance measured in the visible and near infrared (VNIR) region (0.4–2.5 mm), dielectric constant measured in the microwave region (0.5–18...

Overview of JET results in support of the ITER physics basis (2001)

Adams, J. M., Ageladarakis, P., Alper, B., Altmann, H., Arshad, S., Bainbridge, N., ...

The JET experimental campaign has focused on studies in support of the ITER physics basis. An overview of the results obtained is given for the reference ELMy H mode and advanced scenarios, which in...

PALS: An or-parallel implementation of prolog on beowulf architectures (2001)

K. Villaverde, E. Pontelli, H. Guo, G. Gupta

Abstract. This paper describes the development of the PALS system, an implementation of Prolog that efficiently exploits or-parallelism on share-nothing platforms. PALS makes use of a novel...

incremental Stack Splitting Mechanisms for Efficient Prallel implementation of Search-based Systems (2001)

K. Villaverde, E. Pontelli, H. Guo

kvillave,hguo,epontell¡ Incremental stack-copying is a technique which has been successfully used to support efficient parallel execution of a variety of search-based AI systems—e.g., logic-based...

Ventricular tachycardia with QRS configuration similar to that in sinus rhythm and a myocardial origin: differential diagnosis with bundle branch reentry (2001)

Guo, H., Hecker, S., Lévy, S., Olshansky, B.

Introduction Tachycardia with a QRS configuration which resembles that in sinus rhythm is usually thought to be supraventricular. Ventricular tachycardia, with a similar QRS configuration to that in...

High performance Joint European Torus (JET) plasmas for deuterium-tritium operation with the MkII divertor (1997)

Jones, T. T. C., Adams, J. M., Ageladarakis, P., AliArshad, S., Alper, B., Altmann, H., ...

Planned experiments in the Joint European Torus [Plasma Physics and Controlled Fusion Research, Proceedings, 13th International Conference, Washington, D.C., 1990 (International Atomic Energy Agency,...

Latest JET results in deuterium and deuterium-tritium plasmas (1997)

Adams, J. M., Ageladarakis, P., Arshad, S. A., Alper, B., Altmann, H., Andrew, P., ...

All major JET systems have been fully commissioned for D-T and the DTE1 series of experiments has started with the D-T fuel mixture and operating conditions foreseen for ITER. In the area of ITER...

The Quick Fourier Transform: An FFT Based on Symmetries (1996)

H. Guo, G. A. Sitton, C. S. Burrus

This paper looks at an approach that uses symmetric properties of the basis function to remove redundancies in the calculation of the discrete Fourier transform (DFT). We develop an algorithm, called...

JET results with the new pumped divertor and implications for ITER (1995)

Adams, J. M., Ageladarakis, P., Alper, B., Altmann, H., Andrew, P., AliArshad, S., ...

This paper presents an overview of results of the 1994/95 experimental campaign on JET with the new pumped divertor and draws implications for ITER in the areas of detached and radiative divertor...

Wavelet Based SAR Speckle Reduction and Image Compression (1995)

J. E. Odegard, H. Guo, M. Lang, C. S. Burrus, R. O. Wells, ...

This paper evaluates the performance of the recently published wavelet based algorithm for speckle reduction of SAR images. The original algorithm, based on the theory of wavelet thresholding due to...

Simultaneous speckle reduction and data compression using best wavelet packet bases with application to SAR based ATD/R (1995)

D. Wei, H. Guo, J. E. Odegard, M. Lang, C. S. Burrus

We propose a novel method for simultaneous speckle reduction and data compression based on shrinking, quantizing and coding the wavelet packet coefficients of the logarithmically transformed image. A...

Nonlinear Shrinkage of Undecimated DWT for Noise Reduction and Data Compression (1995)

Guo Lang, H. Guo, M. Lang, J. E. Odegard, C. S. Burrus

In this paper, we study the problem of compressing a signal buried in additive white Gaussian noise. The approach we propose is to design an asymptotically optimal quantizer in the the wavelet...

Simultaneous Noise Reduction and SAR Image Data Compression Using Best Wavelet Packet Basis (1995)

D. Wei, J. E. Odegard, H. Guo, M. Lang, C. S. Burrus

We propose a novel method for simultaneous noise reduction and data compression based on shrinking, quantizing and coding the wavelet packet (WP) coefficients. A dynamic programming and fast pruning...

Quantization Noise Reduction Using Wavelet Thresholding for Various Coding Schemes (1995)

D. Wei, M. Lang, H. Guo, J. E. Odegard, C. S. Burrus

We propose a nonlinear, wavelet-based method to efficiently improve the performance of various coding schemes for lossy image data compression. Coarse quantization of the transform coefficients often...

First Results with the Modified Jet - the Jet Team (1994)

Adams, J. M., Agarici, Y., Ageladarakis, P., Alper, B., Altmann, H., Andrew, P., ...

JET was extensively modified in the 1992/93 shutdown. The new pumped divertor and many new systems were brought into operation early in 1994. Operations have progressed to 4MA plasma current and,...

Nonlinear wavelet processing for enhancement of images," submitted to (1994)

J. E. Odegard, J. E. Odegard, M. Lang, M. Lang, H. Guo, H. Guo, ...

In this note we address some recent results on nonlinear wavelet processing. In particular we illustrate how the soft thresholding algorithm due to Donoho [2] can successfully be used to remove...

Enhancement of Decompressed Images at Low Bit Rates (1994)

R. A. Gopinath, M. Lang, H. Guo, J. E. Odegard

Transform coding at low bit rates introduces artifacts associated with the basis functions of the transform. For example, decompressed images based on the DCT (discrete cosine transform) - like JPEG...

Wavelet-Based Post-Processing Of Low Bit Rate Transform Coded Images (1994)

Gopinath Ibm, R. A. Gopinath, M. Lang, H. Guo, J. E. Odegard

In this paper we propose a novel method based on wavelet thresholding for enhancement of decompressed transform coded images. Transform coding at low bit rates typically introduces artifacts...

Wavelet Based Speckle Reduction With Application To Sar Based ATD/R (1994)

H. Guo, J. E. Odegard, M. Lang, R. A. Gopinath, I. W. Selesnick, C. S. Burrus

This paper introduces a novel speckle reduction method based on thresholding the wavelet coefficients of the logarithmically transformed image. The method is computational efficient and can...

The Quick Discrete Fourier Transform (1994)

H. Guo, Guo Sitton, C. S. Burrus

This paper will look at an approach that uses symmetric properties of the basis function to remove redundancies in the calculation of discrete Fourier transform (DFT). We will develop an algorithm,...

The early-time regime for interfacial instabilities in a kinetic Ising model (1993)

Grant, M., Jorgenson, L., Harris, R., Guo, H.

We have applied a Monte Carlo method to study the interfacial dynamics of a two-phase Ising lattice-gas system in two dimensions. Planar and circular interfaces are driven into nonequilibrium by a...

Theory and simulation of Ostwald ripening (1993)

Grant, M., Yao, J. H., Elder, K. R., Guo, H.

A theoretical approach to the Ostwald ripening of droplets is presented in dimension D_2. A mean-field theory is constructed to incorporate screening effects in the competing many-droplet system. The...

Monte Carlo simulation studies of dendritic instabilities in three dimensions (1993)

Grant, M., Jorgenson, L., Harris, R., Guo, H.

We extend our previous Monte Carlo studies of dendritic growth to the fully three-dimensional situation and demonstrate a Mullins-Sekerka instability due to the presence of a thermal gradient. We...

Growth kinetics in exciton systems (1993)

Grant, M., Yao, J. H., Guo, H.

We study the kinetics of first-order phase transitions in exciton systems in both two and three dimensions, where the volume fraction of the condensing droplets is small but finite. The solution of...

From linearity towards chaos: Basic studies of relativistic backward-wave oscillators (1992)

Carmel, Y., Lou, W.R., Rodgers, J., Guo, H., Destler, W.W., Granatstein, V.L., ...

1993 Physics Review Letter article. Please see http://link.aps.org/doi/10.1103/PhysRevLett.69.1652 for more information.

Ostwald ripening in two and three dimensions (1992)

Grant, M., Yao, J. H., Elder, K. R., Guo, H.

We present a new theoretical approach to Ostwald ripening of droplets for both two- and three-dimensional systems, where screening effects due to interacting droplets are incorporated. The solution...

Magnetic Ordering in the three-dimensional frustrated Heisenberg model (1992)

Grant, M., Thomson, J. R., Guo, H., Ryan, D. H., Zuckermann, M. J.

Monte Carlo simulations of moderately frustrated three-dimensional Heisenberg spin systems show evidence for two distinct ordering events. The upper one, at Tc, marks the onset of long-range...

Phase diagram of a lattice model for ternary mixtures of water, oil, and surfactants (1991)

Grant, M., Laradji, M., Guo, H., Zuckermann, M. J.

We study a lattice model for a three-component system of water, oil, and surfactants in two dimensions. Large-scale Monte Carlo simulations were performed to obtain the phase equilibria for a wide...

Monte Carlo simulations of transverse spin freezing in the three-dimensional frustrated Heisenberg model (1991)

Grant, M., Guo, H., Thomson, J. R., Ryan, H., Zuckermann, M. J.

Monte Carlo simulations of the randomly frustrated three-dimensional Heisenberg model with a moderate fraction (20%) of antiferromagnetic bonds show evidence of two distinct ordering events. Below Tc...

Crossover scaling in the dynamics of driven systems (1990)

Grant, M., Guo, H., Grossman, B.

We study growing interfaces in two- and three-dimensional systems by the numerical integration of the Kardar-Parisi-Zhang equation and the Monte Carlo simulation of a solid-on-solid model with...

Monte Carlo renormalization-group study of self-organized criticality (1990)

Grant, M., Grossman, B., Guo, H.

We have studied a class of dynamical models exhibiting self-organized criticality, which have recently been introduced by Bak, Tang, and Wiesenfeld [Phys. Rev. Lett. 59, 381 (1987)] by the Monte...

Dynamics of driven interfaces with a conservation law (1989)

Grant, M., Sun, T., Guo, H.

The dynamics of a growing interface with conservation of total volume under the interface is investigated using both dynamic renormalization-group and computer simulation. The conservation law leads...

Interfacial growth in driven diffusive systems (1989)

Hernández Machado, Aurora, Guo, H., Jasnow, D.

We have studied the growth of interfaces in driven diffusive systems well below the critical temperature by means of Monte Carlo simulations. We consider the region beyond the linear regime and of...