Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 32 for “"net based"”.
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A .net based resource sharing framework
This thesis presents an Internet resource sharing architecture. It allows users to access and utilize unused computer resources, such as CPU cycles and storage, without an expert's knowledge. It achieves this by providing a number of abstract services that hide some of the complexity inherent in …
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Control and Convolutional Neural Net Based Pose Estimation for On-Orbit Assembly
… feasibility. TESSERAE, or Tessellated Electromagnetic Space Structures for Exploration of Reconfigurable Adaptive Environments, a project out of the MIT Media Lab Space Exploration Initiative, is a multi-year research effort to develop a set of self-assembling, decentralized tiles that use …
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A petri net based model for AEB systems considering vehicle and pedestrian/cyclist in a certain area
… than predicting the collision point. Petri net models were built for both vehicle and pedestrian/cyclist in potential collision area and crossing road scenarios. Then, controllers were designed for Petri net models and all possible states were calculated.
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Detection and tracking of cells and focal adhesions in microscopy images
… we propose several convolutional neural network architectures to detect and segment cells. The proposed networks have the advantage of being able to learn with very limited and incomplete training data. Moreover, we present a U-Net based multi-task learning architecture for simultaneously …
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Dialogues on the Net - Power structures in asynchronous discussions in the context of a web based teacher training course
… teacher students work in small groups, using net based asynchronous dialogues to solve a problem in the area of environmental sustainability. More specifically, the interest is to determine whether students’ net based dialogues give rise to patterns of dominance/subordination similar to those …
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Seasonal and Mesoscale Variability in the Distribution of Antarctic Krill, <i>Euphausia superba</i>, West of the Antarctic Peninsula
… structure, concentrations of algal pigments, and net-based density estimates of krill and other zooplankton.</p>
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Petri net models of microgrids with distributed generators
… these two issues, this thesis work applies Petri nets to both modeling and control of a microgrid. Ordinary Petri nets, hybrid Petri nets, and finite capacity Petri nets, are introduced with their examples targeted at modeling the behavior of a microgrid. Coordination control of multiple …
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Simulating prediction markets that include human and automated agents
… of these markets. I start with the neural net-based agent that is currently used in CCI's collective prediction experiments on football plays. By tuning their training and risk affinity, I configure a "smart" agent to represent the sophisticated computer traders. I implement three types of …
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Evolutionäre Verfahren zur Optimierung von Produktionsplänen mittels implizierter Kooperation
… production planning and control using genetic algorithm and timed hierachical object-related Petri Nets. Every planning problem is decomposed into subproblems like scheduling, lotsizing etc. Each subproblem is solved independently of the other subproblems with an individual genetic …
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Applications of U-net to diffuse optical tomography data: Image reconstruction and superresolution
… and its applications in medical imaging, a U-net based architecture is proposed to learn the mapping and estimate a higher resolution image. This work shows that the proposed deep learning model trained on simulated images from real-world fMRI images of the human brain can reconstruct higher …
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An artificial neural network approach to transformer fault diagnosis
This thesis presents an artificial neural network (ANN) approach to diagnose and detect faults in oil-filled power transformers based on dissolved gas-in-oil analysis. The goal of the research is to investigate the available transformer incipient fault diagnosis methods and then develop an ANN …
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My pages : dk Hugbúnaður ehf.
… presents the design and development of a web-based self-service portal, My Pages, for dk Hugbúnaður ehf. The objective was to address the challenges of a fragmented system landscape by designing a unified platform that provides company administrators with a clear overview and centralized …
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Automatic interpretation of computed tomography (CT) images for hardwood log defect detection
… that utilizes a feed forward artificial neural network as the image classifier. The classifier was trained with back-propagation, using training samples collected from two different types of hardwood logs, red oak and water oak. Pre-processing and post-processing are performed to increase the …
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Pragmatic approach to the development of robust real-time protocols
… and real-time behaviour, were developed. Petri nets are used for the design of the distributed controllers, and to embed the commit protocol models within these controller designs. This composition of controller and protocol model allows the analysis of the complete system in a unified manner. A …
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Accountable logging and its applications to intrusion detection
Today's computer and network systems were not originally designed for accountability which plays a crucial role in information assurance systems. To assure accountability, each entity in the system should be held responsible for its own behaviors so that the entity is a part of larger chains of the …
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Performance-driven placement and routing algorithms
… at the inputs of the modules, we developed a net-based performance driven placement algorithm and a path-based performance driven placement algorithm. As chip architectures become more specific (e.g., FPGA), it is important to consider the physical design information during logic design steps. …
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Routing algorithms for electronic design automation
… in IC routing. The high pin density and large net count of modern PCBs make manual design the board an extremely time-consuming and error-prone task. In addition, the bus structure routing style and the planar routing constraint further increase the design complexity. The number of layers used …
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A methodology for analysis and control of discrete event dynamic systems
… current modelling techniques and describes Petri net theory in more detail. It reviews top down, bottom up and hybrid Petri net synthesis techniques that are used to model large systems and introduces on object oriented methodology to enable modelling of larger and more complex systems. Designs …
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Fast, Metadata-private Anonymous Broadcast
This thesis presents Trellis: a mix-net based anonymous broadcast system with cryptographic security guarantees. Trellis can be used to anonymously publish documents or communicate with other users, all while assuming full network surveillance. In Trellis, users send messages through a set of …
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Global estimation of precipitation using opaque microwave bands
… components whose outputs are fed into a neural net to produce a rain rate estimate for each 15-km spot. The signal processing components utilize techniques such as principal component analysis for characterizing groups of channels, spatial filtering for cloud-clearing brightness temperature …
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