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Biomedical Topical Meeting, BIOMED 2004

作者： Boppart, Stephen A. Lazebnik, Mariya Vinegoni, Claudio Bowonder, Anupama Marks, Daniel L. Gillette, Rhanor Department of Electrical and Computer Engineering Beckman Institute for Advanced Science and Technology Bioengineering Program College of Medicine University of Illinois at Urbana-Champaign 405 N. Mathews Ave. UrbanaIL61801 United States Department of Electrical and Computer Engineering Beckman Institute for Advanced Science and Technology University of Illinois at Urbana-Champaign United States Department of Molecular and Integrative Physiology University of Illinois at Urbana-Champaign United States

Functional optical coherence tomography (fOCT) is used to record optical changes that correspond to spontaneous and stimulated electrical activity in neural tissue. FOCT provides a high-resolution, real-time, non-inva... 详细信息

ISBN: (纸本)1557527695

关键词： Optical tomography

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Optical coherence tomography of breast cancer: Feasibility for surgical guidance

Optical coherence tomography of breast cancer: Feasibility f...

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Biomedical Topical Meeting, BIOMED 2004

作者： Bredfeldt, Jeremy S. Luo, Wei Marks, Daniel L. Singletary, Keith W. Wisseman, Charles L. Johnson, Patricia A. Boppart, Stephen A. Beckman Institute for Advanced Science and Technology University of Illinois at Urbana-Champaign United States Department of Food Science and Human Nutrition Functional Foods for Health Program University of Illinois at Urbana-Champaign United States Surgical Pathology and Oncology Carle Foundation Hospital UrbanaIL United States Department of Electrical and Computer Engineering Beckman Institute for Advanced Science and Technology Bioengineering Program College of Medicine University of Illinois at Urbana-Champaign 405 N. Mathews Avenue UrbanaIL61801 United States

We present the use of OCT for breast cancer imaging. In situ rat mammary and excised human breast tumors were imaged. The feasibility of OCT for applications in surgical oncology of the breast is discussed. © 200... 详细信息

ISBN: (纸本)1557527695

关键词： Optical tomography

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Determinism in cellular automata-investigation of transition rules

Determinism in cellular automata-investigation of transition...

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International Conference on Intelligent Sensing and Information Processing (ICISIP)

作者： S. Supratid R. Sadananda Faculty of Information Technology Rangsit University Pathum Thani Thailand Computer Science Program Asian Institute of Technology Pathum Thani Thailand

Cellular automata are discrete dynamic systems whose behavior is specified in terms of local interactions. Even simple local interactions may eventually manifest themselves in terms of complex and unexpected global patterns. A number of investigations have been reported on two-dimensional lattices demonstrating exciting outcomes starting with simple initial configurations and simple rules of interactions, giving rise to the speculative possibilities of artificial life. There is a growing interest in a variety of automata including three dimensional automata and variations of transition rules, but common to all their formations are certain hard questions relating to the global determinism of the behavior of the cellular automata manifest in the local interactions. There are a number of other theoretical issues remain unresolved. A considerable theoretical work and simulation have been reported around the one-dimensional lattices, primarily because of possible visualization of the processes. In this paper we investigate the issue of density of an automata configuration and its determinism.

关键词： Lattices Automata Information technology computer science Visualization Content addressable storage Centralized control Automatic control Communication system control Control systems

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Multiresolution image registration based on kullback-leibler distance

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7th International Conference on Medical Imaging and computer Assisted Intervention, MICCAI 2004

作者： Gan, Rui Wu, Jue Chung, Albert C.S. Yu, Simon C.H. Wells, William M. Department of Computer Science Hong Kong University of Science and Technology Hong Kong Bioengineering Program School of Engineering Hong Kong University of Science and Technology Hong Kong Dept of Diagnostic Radiology and Organ Imaging Prince of Wales Hospital Hong Kong Brigham and Women’s Hospital Harvard Medical School BostonMA United States MIT CSAI Laboratory CambridgeMA United States

ISBN: (纸本)3540229760

This paper extends our prior work on multi-modal image registration based on the a priori knowledge of the joint intensity distribution that we expect to obtain, and Kullback-Leibler distance. This expected joint distribution can be estimated from pre-aligned training images. Experimental results show that, as compared with the Mutual Information and Approximate Maximum Likelihood based registration methods, the new method has longer capture range at different image resolutions, which can lead to a more robust image registration method. Moreover, with a simple interpolation algorithm based on non-grid point random sampling, the proposed method can avoid interpolation artifacts at the low resolution registration. Finally, it is experimentally demonstrated that our method is applicable to a variety of imaging modalities. © Springer-Verlag Berlin Heidelberg 2004.

关键词： Image resolution

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System dynamics of supply chain network organization structure

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Information Systems and e-Business Management 2004年第2期2卷 187-206页

作者： Zhang, Yong Dilts, David Management of Technology Program Vanderbilt University Electrical Engineering & Computer Science Department School of Engineering Nashville USA Owen Graduate School of Management Vanderbilt University Nashville USA

Information technology is providing manufacturers with additional flexibility with regard to their supply chain network choices. Our research studies supply chain network organization structures categorized by the organic and mechanistic management control structures. The structural impacts on cost and fill rate performance are studied in two-echelon and two-supply-chain network organization models under different market coordination conditions using system dynamic simulations. Our results show significant effects of demand and network structural factors, and their interactions, on these measures. As demand becomes dynamic, the cooperative interaction model, where supply chains cooperate to satisfy customer demand, is found to have better system performance than the competitive supply chain model. The analysis also suggests that increasing the responsiveness at the downstream plant is particularly important to the overall system performance improvement.

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Multiresolution image registration based on Kullback-Leibler distance

Multiresolution image registration based on Kullback-Leibler...

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Medical Image Computing and computer-Assisted Intervention, MICCAI 2004 - 7th International Conference, Proceedings

作者： Gan, Rui Wu, Jue Chung, Albert C.S. Yu, Simon C.H. Wells III, William M. Department of Computer Science Hong Kong University of Science and Technology Hong Kong Hong Kong Bioengineering Program School of Engineering Hong Kong University of Science and Technology Hong Kong Hong Kong Dept. of Diagnostic Radiology and Organ Imaging Prince of Wales Hospital Hong Kong Hong Kong Brigham and Women's Hospital Harvard Medical School Boston MA United States MIT CSAI Laboratory Cambridge MA United States

关键词： Medical imaging

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Automatic synthesis of IIR SC multistage decimators

Automatic synthesis of IIR SC multistage decimators

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The 2004 47th Midwest Symposium on Circuits and Systems - Conference Proceedings

作者： Ngai, Cheong Martins, R.P. Computer Studies Program Macao Polytechnic Institute Macao China Rua de Lu Gonzaga Gomes Macau China Faculty of Science and Technology University of Macau Av. Padre Tomás Pereira S.J. Macao China Institute Superior Técnico Lisbon Portugal

This paper presents an automated system for- the design of IIR SC multistage decimators. Through the integration of different existing programs it provides a user-friendly interface that allows the implementation of IIR SC decimators from the top filter specifications down to the circuit layout. It allows the automated design of a cascade of decimator stages in order to obtain a sufficiently high ratio between the sampling frequency and the maximum signal frequency of interest, and also simplifies the circuit through the minimization of the silicon area. Two design examples are given to demonstrate the feasibility of this approach.

关键词： Capacitors

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Multi-modality three-dimensional optical imaging of engineered tissues

Multi-modality three-dimensional optical imaging of engineer...

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Biomedical Topical Meeting, BIOMED 2004

作者： Tan, Wei Fahrner, Lester J. Sendemir-Urkmez, Aylin Jamison, Russell D. Leckband, Deborah E. Boppart, Stephen A. Beckman Institute for Advanced Science and Technology University of Illinois at Champaign-Urbana UrbanaIL61801 United States Department of Materials Science and Engineering University of Illinois at Champaign-Urbana UrbanaIL61801 United States Department of Chemical Engineering University of Illinois at Champaign-Urbana UrbanaIL61801 United States Department of Electrical and Computer Engineering Bioengineering Program Beckman Institute for Advanced Science and Technology College of Medicine University of Illinois at Urbana-Champaign 405 North Mathews Avenue UrbanaIL61801 United States

Optical coherence tomography (OCT), confocal, and multiphoton microscopy are used to nondestructively monitor in situ cell distribution and cell-matrix interaction in 3-D engineered tissues composed of chitosan scaffo... 详细信息

ISBN: (纸本)1557527695

关键词： Tissue

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A proposal for an integrated utilities Engineering-Management M.S. program

A proposal for an integrated utilities Engineering-Managemen...

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2004 37th Annual Frontiers of Power Conference

作者： Barnes, Frank S. Fuchs, Ewald F. Tietjen, Jill S. Silverstein, Joann Ko, Hon-Yim Lookabaugh, Tom Brown, Timothy X. Sicker, Douglas C. University of Colorado AAAS IEEE International Engineering Consortium National Academy of Engineering Department of Electrical Engineering LLC McNeil Technologies Board for Girl Scouts Mile Hi Council Georgia Transmission Corporation of Tucker GA ABET Inc. National Council of Examiners for Engineering and Surveying SWE IEEE Power Engineering Society Department of Civil Environmental and Architectural Engineering UCB National Water Research Institute Women in Engineering Program Center of the American West College of Engineering Department of Civil Environmental and Archetectural Engineering University of Colorado Jet Propulsion Laboratory Computer Science Department Interdisciplinary Telecommunications Program University of Colorado Boulder University of Colorado Boulder Electrical Engineering and Interdisciplinary Telecommunications University of Colorado Boulder Department of Computer Science University of Colorado Boulder ITP Laboratory ACM Internet Society Faculty of the Progress and Freedom Foundation Institute for Regulatory Law and Economics Aspen Institute Communications and Society Program CU Computer and Communications Security Center Center for Science and Technology Policy Research Research and Engineering Center for Unmanned Vehicles Electrical and Computer Engineering Civil Environmental and Architectural Engineering

Electric, water, gas and transportation utilities face severe challenges associated with security, quality, availability, reliability and profitability issues. They must solve interrelated system problems with respect to generation of electricity, transportation of fuel, and potable as well as waste water. In the future, engineers and managers of utilities must be well versed in the different disciplines of engineering including electrical civil, mechanical and information technology. The University of Colorado at Boulder addresses this educational opportunity by proposing a novel Integrated Utilities Management program for M.S. candidates who have a solid B.S. background or equivalent in a related discipline. The M.S. program will consist of four interdisciplinary paths dealing with business management and legal topics as they relate to federal and state regulatory issues, as well as agency and people-related leadership issues. The electric utilities option of this program will be centered on three core courses related to electric power generation/transmission and distribution, security and availability, quality and reliability, economics and environmental policy, and utility finance;two elective courses from a group of courses that address nuclear power, waste water, solid waste, telecommunications, renewable energies, data communication, fuels and case studies;and one capstone course consisting of either operations research or the investigation and resolution of a pending utility project such as the right-of-way of transmission lines, specification of new power plants, retrofitting of power plants or their impact on the environment. It is expected that candidates for this MS program will come from universities, from utilities, and from private and public agencies. The MS program can be completed by full- or part time students within one or two years of intensive study, respectively. Courses will be taught both on campus and nationwide via the Center for Advanced

关键词： Public utilities

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Generalized Associative Memory Models: Their Memory Capacities and Potential Application

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Journal of Advanced Computational Intelligence and Intelligent Informatics 2004年第1期8卷 56-64页

作者： Yap, Tfcddy N. Azcarraga, Arnulfo E. Software Technology Department College of Computer Studies De La Salle University Professional Schools Inc. 2401 Taft Avenue Manila1004 Philippines Program for Research into Intelligent Systems School of Computing Department of Computer Science 3 Science Drive 2 Singapore117543 Singapore De La Salle University Canlubang Laguna Philippines

The Hopfield and bi-directional associative memory (TJAM) models are well developed and carefully studied models tor associative memory that are patterned after the memory structure of the animal brain. Their basic limitation is that they can only perform associations between at most two sets of patterns. Several different models for generalized associative memory are proposed. These models are all extensions or generalizations of the Hopfield and RAM models that can perform multiple associations. Extensive software simulations are conducted to evaluate the different models, using the memory capacity as basis tor comparing their performance. Lastly, potential application of these models as data fusion systems is explored. © 2004 Fuji technology Press. All rights reserved.

关键词： Data fusion

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