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Articles 331 - 341 of 341
Full-Text Articles in Computer Engineering
Famtile: An Algorithm For Learning High-Level Tactical Behavior From Observation, Brian Stensrud
Famtile: An Algorithm For Learning High-Level Tactical Behavior From Observation, Brian Stensrud
Electronic Theses and Dissertations
This research focuses on the learning of a class of behaviors defined as high-level behaviors. High-level behaviors are defined here as behaviors that can be executed using a sequence of identifiable behaviors. Represented by low-level contexts, these behaviors are known a priori to learning and can be modeled separately by a knowledge engineer. The learning task, which is achieved by observing an expert within simulation, then becomes the identification and representation of the low-level context sequence executed by the expert. To learn this sequence, this research proposes FAMTILE - the Fuzzy ARTMAP / Template-Based Interpretation Learning Engine. This algorithm attempts …
Integration Of Real-Time Experiments With Internet Access, Pavan Talakala
Integration Of Real-Time Experiments With Internet Access, Pavan Talakala
Electronic Theses and Dissertations
The revolution of Internet enabled instrumentation is emerging as a revolution in Measurement and Automation. New standards are being developed for transmitting data and connecting instruments to the Internet. The main purpose of this thesis is to design and develop a system to Integrate various Real time experiments and be able to monitor and control them over Internet using LabVIEW. LabVIEW is a graphical programming package capable of data acquisition, data analysis, data presentation and real time remote control. In this thesis a Real time system is developed which integrates several real time experiments and remote control …
Explanations In Contextual Graphs: A Solution To Accountability In Knowledge Based Systems, Brian W. Sherwell
Explanations In Contextual Graphs: A Solution To Accountability In Knowledge Based Systems, Brian W. Sherwell
Electronic Theses and Dissertations
In order for intelligent systems to be a viable and utilized tool, a user must be able to understand how the system comes to a decision. Without understanding how the system arrived at an answer, a user will be less likely to trust its decision. One way to increase a user's understanding of how the system functions is by employing explanations to account for the output produced. There have been attempts to explain intelligent systems over the past three decades. However, each attempt has had shortcomings that separated the logic used to produce the output and that used to produce …
Expression Morphing Between Different Orientations, Tao Fu
Expression Morphing Between Different Orientations, Tao Fu
Electronic Theses and Dissertations
How to generate new views based on given reference images has been an important and interesting topic in the area of image-based rendering. Two important algorithms that can be used are field morphing and view morphing. Field morphing, which is an algorithm of image morphing, generates new views based on two reference images which were taken at the same viewpoint. The most successful result of field morphing is morphing from one person's face to the other one's face. View morphing, which is an algorithm of view synthesis, generates in between views based on two reference views which were taken at …
A Mobile Robotic Computing Platform For Three-Dimensional Indoor Mappi, Kenneth Mccoig
A Mobile Robotic Computing Platform For Three-Dimensional Indoor Mappi, Kenneth Mccoig
Electronic Theses and Dissertations
There are several industries exploring solutions to quickly and accurately digitize unexplored indoor environments, into useable three-dimensional databases. Unfortunately, there are inherent challenges to the indoor mapping process such as, scanning limitations and environment complexity, which require a specific application of tools to map an environment precisely with low cost and high speed. This thesis successfully demonstrates the design and implementation of a low cost mobile robotic computing platform with laser scanner, for quickly mapping with high resolution, urban and/or indoor environments using a gyro-enhanced orientation sensor and selectable levels of detail. In addition, a low cost alternative solution to …
Data Bandwidth Reduction Techniques For Distributed Embedded Simulatio, Hubert Bahr
Data Bandwidth Reduction Techniques For Distributed Embedded Simulatio, Hubert Bahr
Electronic Theses and Dissertations
Maintaining coherence between the independent views of multiple participants at distributed locations is essential in an Embedded Simulation environment. Currently, the Distributed Interactive Simulation (DIS) protocol maintains coherence by broadcasting the entity state streams from each simulation station. In this dissertation, a novel alternative to DIS that replaces the transmitting sources with local sources is developed, validated, and assessed by analytical and experimental means. The proposed Concurrent Model approach reduces the communication burden to transmission of only synchronization and model-update messages. Necessary and sufficient conditions for the correctness of Concurrent Models in a discrete event simulation environment are established by …
Web-Based Circuit Design Simulation Package For Solving Electrical Eng, Shadi Harb
Web-Based Circuit Design Simulation Package For Solving Electrical Eng, Shadi Harb
Electronic Theses and Dissertations
A Web-based circuit design package has been improved and evaluated to provide students with an enhanced and innovative teaching tools package for the electrical circuit design course. The project objectives can be summarized as follows: 1) developing enhanced problem solving skills using a Web-based environment, 2) developing the design skills and sharpening the critical thinking process, 3) developing a generic and comprehensive teaching/learning circuit package as an extention to the Electrical Engineering virtual lab environment, which gives students the capability to practice and experience all the circuit design skills with minimum cost and effort. The project provides the students with …
Data Transmission Scheduling For Distributed Simulation Using Packet A, Juan Vargas-Morales
Data Transmission Scheduling For Distributed Simulation Using Packet A, Juan Vargas-Morales
Electronic Theses and Dissertations
Communication bandwidth and latency reduction techniques are developed for Distributed Interactive Simulation (DIS) protocols. Using logs from vignettes simulated by the OneSAF Testbed Baseline (OTB), a discrete event simulator based on the OMNeT++ modeling environment is developed to analyze the Protocol Data Unit (PDU) traffic over a wireless flying Local Area Network (LAN). Alternative PDU bundling and compression techniques are studied under various metrics including slack time, travel time, queue length, and collision rate. Based on these results, Packet Alloying, a technique for the optimized bundling of packets, is proposed and evaluated. Packet Alloying becomes more active when it is …
An Approach For Computing Intervisibility Using Graphical Processing U, Judd Tracy
An Approach For Computing Intervisibility Using Graphical Processing U, Judd Tracy
Electronic Theses and Dissertations
In large scale entity-level military force-on-force simulations it is essential to know when one entity can visibly see another entity. This visibility determination plays an important role in the simulation and can affect the outcome of the simulation. When virtual Computer Generated Forces (CGF) are introduced into the simulation these intervisibilities must now be calculated by the virtual entities on the battlefield. But as the simulation size increases so does the complexity of calculating visibility between entities. This thesis presents an algorithm for performing these visibility calculations using Graphical Processing Units (GPU) instead of the Central Processing Units (CPU) that …
Preprocessing Of Microcirculatory Images., Mohamed S. Mansour
Preprocessing Of Microcirculatory Images., Mohamed S. Mansour
Electronic Theses and Dissertations
This thesis project consists of the development of a computerized image processing system to preprocess microvascular images of the mouse Latisimus Dorsi Muscle (LDM). This research has been conducted in association with the Division of Plastic and Reconstructive Surgery at the University of Louisville. The input to the system is a set of 35 or more overlapping microscopic fields or sub_images containing segments of the LDM microcirculation, the output is an adjacent single montage encompassing the entire LDM microvasculature. The developed system presents practical solutions to the problems of image registration, overlap resolution, and image segmentation, in addition, the results …
Design And Applications Of A Graphics Package For The Hp1000 Computer., Hsiao-Chih George Lee
Design And Applications Of A Graphics Package For The Hp1000 Computer., Hsiao-Chih George Lee
Electronic Theses and Dissertations
The objective of this thesis is to develop the FORTRAN subroutine PLOTER which is a general-purpose plotting tool to plot charts on a Hewlett Packard plotter. The programs RESP and INVLAP which can plot the frequency and time responses of system functions are modified to adopt the PLOTER subroutine and are stored of the HP1000-A900 minicomputer whose software, the GRAPHICS/1000, supports the graphics ability of PLOTER. This thesis describes the theories, functions, software techniques and operations of the PLOTER subroutine and the application programs RESP and the INVLAP. It also provides program listings and example plots.