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Articles 9331 - 9360 of 12097
Full-Text Articles in Entire DC Network
Image Compression And Representation Using Wavelets, Shankar Moni, R. L. Kashyap
Image Compression And Representation Using Wavelets, Shankar Moni, R. L. Kashyap
Department of Electrical and Computer Engineering Technical Reports
The focus of this research is to explore the structure present in the wavelet decomposition of natural images and use this structure for image compression and representation. We first show empirically that the wavelet coefficients of a natural image, when sorted by magnitude, lie almost exactly on a curve of the form $. This, in turn, helps us to demonstrate that natural images may exhibit self-similarity in the wavelet domain, although no such property may be apparent in the pixel domain. In order to predict which scale-space positions may have large wavelet coefficients, we define a data structure called a …
Numerical Methods For Derivative Securities Models, Konstantinos N. Pantazopoulos, Elias N. Houstis
Numerical Methods For Derivative Securities Models, Konstantinos N. Pantazopoulos, Elias N. Houstis
Department of Computer Science Technical Reports
No abstract provided.
Suboptimal Target Tracking In Clutter Using A Generalized Probabilistic Data Association Algorithm, Wai Ying Kan, James V. Krogmeier
Suboptimal Target Tracking In Clutter Using A Generalized Probabilistic Data Association Algorithm, Wai Ying Kan, James V. Krogmeier
Department of Electrical and Computer Engineering Technical Reports
Simple tracking algorithms based upon nearest neighbor filtering do not correctly consider measurement origin uncertainty and, therefore, fail to perform well in situations of high target density and clutter. The optimal tracking algorithm for commonly used targetclutter models computes the posterior density of the target state conditioned on the past history of' observations. This posterior density is a Gaussian mixture with the number of terms equal to the number of possible ways to associate observations and targets. Though a recursive algorithm may be developed for the optimal estimator, it requires exponentially growing rlemory and computation and is, therefore, unimplementable. In …
On Mobile Systems And Disconnected Browsing Of Distributed Information, Anupam Joshi, Sanjiva Weerawarana, Elias N. Houstis
On Mobile Systems And Disconnected Browsing Of Distributed Information, Anupam Joshi, Sanjiva Weerawarana, Elias N. Houstis
Department of Computer Science Technical Reports
No abstract provided.
Automatic Identification Of Icosahedral Virus Particles In Electron Micrographs, Ioana Maria Martin, Dan C. Marinescu
Automatic Identification Of Icosahedral Virus Particles In Electron Micrographs, Ioana Maria Martin, Dan C. Marinescu
Department of Computer Science Technical Reports
No abstract provided.
A Peak Finding Strategy For Multi- Dimensional Scalar Fields With Applications To X-Ray Crystallography, Calin R. Costian, Ioana M. Boier Martin, Dan C. Marinescu, Mikhail J. Atallah
A Peak Finding Strategy For Multi- Dimensional Scalar Fields With Applications To X-Ray Crystallography, Calin R. Costian, Ioana M. Boier Martin, Dan C. Marinescu, Mikhail J. Atallah
Department of Computer Science Technical Reports
No abstract provided.
What Is An Answer? An Essay On The Theory Of Functions, John R. Rice
What Is An Answer? An Essay On The Theory Of Functions, John R. Rice
Department of Computer Science Technical Reports
No abstract provided.
Computational Science As One Driving Force For All Aspects Of Computing Research, John R. Rice
Computational Science As One Driving Force For All Aspects Of Computing Research, John R. Rice
Department of Computer Science Technical Reports
No abstract provided.
Multi-Agent Simulation Of Complex Heterogeneous Models In Scientific Computing, Anupam Joshi, Tzvetan Drashansky, John R. Rice, Sanjiva Weerawarana, Elias N. Houstis
Multi-Agent Simulation Of Complex Heterogeneous Models In Scientific Computing, Anupam Joshi, Tzvetan Drashansky, John R. Rice, Sanjiva Weerawarana, Elias N. Houstis
Department of Computer Science Technical Reports
No abstract provided.
Purdue University's Www Gpo Access Gateway: Origins And Evolution, Bert Chapman
Purdue University's Www Gpo Access Gateway: Origins And Evolution, Bert Chapman
Libraries Research Publications
No abstract provided.
Computational Separation Of Bulk And Surface Recombination Using Contactless Photoconductive Decay, Frederick P. Giles, Richard J. Schwartz
Computational Separation Of Bulk And Surface Recombination Using Contactless Photoconductive Decay, Frederick P. Giles, Richard J. Schwartz
Department of Electrical and Computer Engineering Technical Reports
A novel, computational approach to distinguishing between bulk and surface recombination in crystalline silicon is presented. The Photoconductive Decay technique, applied with a probe of sufficiently long wavelength, senses no informiation about carrier diffusion or distributions in samples, thus isolating carrier recombination as the sole cause of its decay signal. If the recombination and transport parameters of' a sample remain cor~standt uring the decay, the information content and collective properties of the decay paIameters allow them to be solved simultaneously to produce unique values for the bulk lifetime and surface recombination velocities of the measurement sample. The method is rapid …
Tonitza A Graphics Package For Structural Biology User's Guide, Ioana Maria Martin, Dan C. Marinescu
Tonitza A Graphics Package For Structural Biology User's Guide, Ioana Maria Martin, Dan C. Marinescu
Department of Computer Science Technical Reports
No abstract provided.
Parametric Kinematic Tolerance Analysis Of Planar Mechanisms, Elisha Sacks, Leo Joskowicz
Parametric Kinematic Tolerance Analysis Of Planar Mechanisms, Elisha Sacks, Leo Joskowicz
Department of Computer Science Technical Reports
No abstract provided.
Transportation - Foundation For The Future, Harold L. Michael
Transportation - Foundation For The Future, Harold L. Michael
Purdue Road School
No abstract provided.
Governmental Liability For Signs And Speeds, James S. Stephenson
Governmental Liability For Signs And Speeds, James S. Stephenson
Purdue Road School
No abstract provided.
County Surveyors And The High Accuracy Reference Network (Harn), Thomas A. Mahon
County Surveyors And The High Accuracy Reference Network (Harn), Thomas A. Mahon
Purdue Road School
No abstract provided.
The Use Of Expanded Polystyrene As A Lightweight Fill On Indiana S. R. 109, Athar A. Khan
The Use Of Expanded Polystyrene As A Lightweight Fill On Indiana S. R. 109, Athar A. Khan
Purdue Road School
No abstract provided.
Extension Of The Receptance Technique To Accommodate Distributed Connections, Bryce K. Gardner, J Stuart Bolton
Extension Of The Receptance Technique To Accommodate Distributed Connections, Bryce K. Gardner, J Stuart Bolton
Publications of the Ray W. Herrick Laboratories
The receptance techniques has been used most frequently to analyze the vibrational response of structures that may be idealized as a set of substructures connected at one or more discrete points. However, the receptance technique can also be used to analyze the response of structures connected along particular types of line junctions. In this paper, an extension of the the receptance technique is presented that makes use of a generalized Fourier series approach to allow the evaluation of both the free and forced response of systems comprising components connected through spatially distributed junctions. The present extension is shown to reduce …
A Performance Monitoring Environment And Its Use For The Study Of Paging And I/O Activity Of Parallel Programs, Kuei Yu Wang, Dan C. Marinescu
A Performance Monitoring Environment And Its Use For The Study Of Paging And I/O Activity Of Parallel Programs, Kuei Yu Wang, Dan C. Marinescu
Department of Computer Science Technical Reports
No abstract provided.
Efficent Use Of Narrowband Radio Channels For Mobile Digltal Communications, Michael P. Fitz, James V. Krogmeier, Jimm Grimm, Tai Ann Chen, Tim Magnusen, Jerome Gansman, Wen Yi Kuo
Efficent Use Of Narrowband Radio Channels For Mobile Digltal Communications, Michael P. Fitz, James V. Krogmeier, Jimm Grimm, Tai Ann Chen, Tim Magnusen, Jerome Gansman, Wen Yi Kuo
Department of Electrical and Computer Engineering Technical Reports
The Intelligent Transportation System (ITS) relies heavily on data communications systems to link field equipment such as traflic: sensors, changeable message signs and incident response vehicles with traffic operations centers. The Federal Highway A~iministration (FHWA) has received an allocation of five channels in the 220 MHz band to provide a communication resource for ITS applications. This report investigates a high efficiency mobile \vireless modem with a spectral efficiency of 3 bps&. The modem incorporates the following techniques to compensate for the fading channel: transmitter antenna diversity, modulation using intentional frequency offset, interleaved block codles, symbol timing and frame synchr~mizationo ptimized …
A Secure Message Broadcasting System (Smbs), Mark Crosbie, Ivan Krsul, Steve Lodin, Eugene H. Spafford
A Secure Message Broadcasting System (Smbs), Mark Crosbie, Ivan Krsul, Steve Lodin, Eugene H. Spafford
Department of Computer Science Technical Reports
No abstract provided.
On Tailoring Thread Schedules In Protocol Design: Experimental Results, Juan Carlos Gomez, Vernon J. Rego, V. S. Sunderam
On Tailoring Thread Schedules In Protocol Design: Experimental Results, Juan Carlos Gomez, Vernon J. Rego, V. S. Sunderam
Department of Computer Science Technical Reports
No abstract provided.
Web//Ellpack: A Networked Computing Service On The World Wide Web, Sanjiva Weerawarana, Elias N. Houstis, John R. Rice, Margaret G. Gaitatzes, Shahani Markus
Web//Ellpack: A Networked Computing Service On The World Wide Web, Sanjiva Weerawarana, Elias N. Houstis, John R. Rice, Margaret G. Gaitatzes, Shahani Markus
Department of Computer Science Technical Reports
No abstract provided.
A Multiagent Environment For Mpses, Tzvetan T. Drashansky, Anupam Joshi, John R. Rice, Elias N. Houstis, Sanjiva Weerawarana
A Multiagent Environment For Mpses, Tzvetan T. Drashansky, Anupam Joshi, John R. Rice, Elias N. Houstis, Sanjiva Weerawarana
Department of Computer Science Technical Reports
No abstract provided.
Minutes Of The Nwca Executive Board Meeting
Minutes Of The Nwca Executive Board Meeting
The Writing Center Journal
No abstract provided.
Managing A Network Of Plants Within Multinational Firms, Thomas Brush, Catherine Maritan, Aneel Karnani
Managing A Network Of Plants Within Multinational Firms, Thomas Brush, Catherine Maritan, Aneel Karnani
Purdue CIBER Working Papers
The paper examines whether plants with different roles in a multinational network of plants use different management systems to coordinate production and technical decision. The paper first tests and supports the Ferdows (1989) technology distinctions concerning plant roles. Following Ferdows (1989), it empirically examines the proposition that the degree of managerial autonomy varies according to strategic role of the plant. Our findings suggest that different plant roles require different management systems and different levels of responsibility for decisions. Further, it shows which systems need to be differentiated if plants with different roles are combined within the same business unit.
International Lending By Us Banks, Neven Tomov Valev
International Lending By Us Banks, Neven Tomov Valev
Purdue CIBER Working Papers
We offer a model inwhich lenders differ in wealth endowments and choose the quality of information which they use in the process of foreign lending. We trace the effects of foreign and domestic interest rates, quality of information, quality of the pool of lending opportunities, etc. on the dicision to acquire information.
A Survey Of Evidence On Domestic And International Stock Exchange Listings With Implications For Markets And Managers, John M. Mcconnell, Heidi J. Dybevik, David Haushalter, Erik Lie
A Survey Of Evidence On Domestic And International Stock Exchange Listings With Implications For Markets And Managers, John M. Mcconnell, Heidi J. Dybevik, David Haushalter, Erik Lie
Purdue CIBER Working Papers
As new equity markets continue to emerge worldwide, the topic area of stock exchange listings has sparked interest among financial scholars and corporate managers alike. In this article, we review and synthesize empirical studies that examine both new and dual international and intranational listings of common stocks. The studies that we review have been conducted to provide managers and policty makers with information about the effects of listing on stock prices and to use listings as a venue to provide insights about market organization, market micro-structure, factors that determine stock prices and returns, and international capital market integration. In general, …
Optimization Of The Refrigeration Machinery With One Stage Of Compression Using R152a, D. Aradau, L. Costiuc
Optimization Of The Refrigeration Machinery With One Stage Of Compression Using R152a, D. Aradau, L. Costiuc
International Refrigeration and Air Conditioning Conference
No abstract provided.
Trade Creation And Trade Diversion: New Empirical Results, Jon D. Haveman, David L. Hummels
Trade Creation And Trade Diversion: New Empirical Results, Jon D. Haveman, David L. Hummels
Purdue CIBER Working Papers
In recent years, there has been a rise in the popularity of preferential trading arrangements (PTA), and an equally precipitous rise in the number of papers studying the effects of regionalism. In this paper we assess the effect of preferential trading arrangements on the aggregate and bilateral trading patterns of member countries, and test for three effects of PTAs.