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Dissertations / Theses on the topic 'Edge'
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Oh, JaeHo. "Edge spectroscopy in cleaved edge overgrowth GaAsAlGaAs." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=82302.
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We measure the electron density of a single Landau Level of a two-dimensional electron system (2DES) in a GaAs/AlGaAs heterostructure cleaved edge overgrown structure. Edge spectroscopy, which is a powerful technique to probe correlations in 2D systems, has been used. While the 2DEG shows typical fractional quantum Hall features from a many-particle behavior (Luttinger Liquid) at low tunneling voltages, to single particle characteristic at high voltages, which reflects the absence of a many-body state away from the Fermi level. At high enough voltages, the single particle characteristic induces an asymmetry when tunneling into the 2DEG compared to tunneling out of it, which can be understood in the context of the single particle Landau level spectral distribution at the edge. We measure the complete current-voltage characteristics for tunneling between 2DEG and 3D edge at zero magnetic field. For the first time we use Edge spectroscopy to detect the density of electron changes in localized energy levels (Landau Levels) between the 2DEG and the 3D.
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Maltais, Elizabeth. "Covering arrays avoiding forbidden edges and edge clique covers." Thesis, University of Ottawa (Canada), 2009. http://hdl.handle.net/10393/28442.
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Covering arrays avoiding forbidden edges (CAFEs) are combinatorial designs which can be used to generate test suites for practical testing applications. CAFEs generate test suites in which all required pairwise interactions between any two factors are tested at least once each, with the property that a specified list of pairwise interactions, the so called forbidden interactions, are avoided by all tests generated by the CAFE. Consequently, CAFEs can be applied to testing applications wherein constraints are imposed on the factors of the tests, resulting in forbidden interactions.
In this thesis, we study CAFEs, as well as their relationship to the edge clique cover problem from graph theory. We give new results and bounds for uniform edge clique covers and CAFEs. We establish the computational complexity of several problems related to CAFEs and edge clique covers. In particular, we prove that finding an optimal CAFE (as well as finding an optimal error-locating array) for a graph is NP-hard, even for the case of binary alphabets.
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Jansson, Ulrika. "Forest edges in boreal landscapes - factors affecting edge influence." Doctoral thesis, Umeå : Department of Ecology and Environmental Science, Umeå University, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-21664.
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Lewis, Jason Robert. "Vertex-edge and edge-vertex parameters in graphs." Connect to this title online, 2007. http://etd.lib.clemson.edu/documents/1193079748/.
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Sufiye, Shooresh. "Industrial Internet of Things Edge Computing : Edge Forensics." Thesis, Högskolan i Halmstad, Akademin för informationsteknologi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-41390.
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Internet of Things (IoT) is an upcoming prominent technology which is quickly growing. Not all IoTdemands of computing resources can be satisfied by cloud, and obstacles are firmer when it comes to mobility and agility. Thus, edge computing as a suitable middleware can fill the gap between cloud and IoT devices. Refer to the latest researches, edge security is still evolving, and forensics is almost untouched. In this work, we attempt to study available technologies and materials then design and implement an edge computing application which addresses the challenge of log collection from different edge devices. The interaction between edge and cloud is in a fashion that cloud entity can perform log collection from heterogeneous edge devices belong to different owners. On the other hand, due to local computing on the logs, the edge devicecan trust cloud party. Results show that thanks to the crucial topological position of the edge devices, the concept of edge computing can easily solve similar cloud challenges.
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Williams, Donna J. "Edge Contours." Doctoral diss., University of Central Florida, 1989. http://digital.library.ucf.edu/cdm/ref/collection/RTD/id/10146.
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University of Central Florida College of Arts and Sciences ThesisThe accuracy with which a computer vision system is able to identify objects in an image is heavily dependent upon the accuracy of the low level processes that identify which points lie on the edges of an object. In order to remove noise and fine texture from an image, it is usually smoothed before edge detection is performed. This smoothing causes edges to be displaced from their actual location in the image. Knowledge about the changes that occur with different degrees of smoothing (scales) and the physical conditions that cause these changes is essential to proper interpretation of the results obtained. In this work the amount of delocalization and the magnitude of the response to the Normalized Gradient of Gaussian operator are analyzed as a function of cr, the standard deviation of the Gaussian. As a result of this analysis it was determined that edge points could be characterized as to slope, contrast, and proximity to other edges. The analysis is also used to define the size that the neighborhood of an edge point must be in order to assure its containing the delocalized edge point at another scale when o is known. Given this theoretical background, an algorithm was developed to obtain sequential lists of edge points. This used multiple scales in order to achieve the superior localization and detection of weak edges possible with smaller scales combined with the noise suppression of the larger scales. The edge contours obtained with this method are significantly better than those achieved with a single scale. A second algorithm was developed to allow sets of edge contour points to be represented as active contours so that interaction with a higher level process is possible. This higher level process could do such things as determine where corners or discontinuities could appear. The algorithm developed here allows hard constraints and represents a significant improvement in speed over previous algorithms allowing hard constraints, being linear rather than cubic.
Ph.D.
Doctorate;
Department of Computer Science
Philosophy
Computer Science
135 p.
vii, 133 leaves, bound : ill. ; 28 cm.
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Riemersma, Kier James. "Water's edge." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/69383.
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Berghage, Jeffrey L. "City/edge." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/36020.
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As transportation systems, telecommunications, and methods of working and living evolve, it becomes clear that a centralized urban area is no longer necessary; a web of interconnected centers is the more likely result.
This dissolution of urban density is occuring at a variety of scales, from the largest metro areas to smaller towns. Major "edge cities" have tended to develop at crossroads where radiating urban avenues intersect with concentric beltways. In our towns, smaller-scale edge cities occur at expressway exits outside the town limits, or where the business route into town separates from the bypass around it.
"City/edge" is an architectural reconsideration of the edge city.Master of Architecture
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Sweeney, Mark. "Fathom's Edge." Thesis, University of North Texas, 2010. https://digital.library.unt.edu/ark:/67531/metadc28483/.
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Investigating elements of the creative process in the work of three poets: James Wright, Gjertrud Schnackenberg, and Pegeen Kelly. Each poet deploys a different method for access to those experiences that lie at the edge of accessible language. Each method is discussed and its deployment illustrated. Wright leads us from the sensory world to the supersensual. Schnackenberg makes use of the formal device of the fairy tale. Kelly immerses in the logic of dreams. Drawing on Elaine Scarry's theory of the imagination, the case is made that the poetic act is a dialectic between the poet and the sensory world, in which perception and imagination are equally important.
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Benoit, James. "Cutting edge or bleeding edge : should video games be regulated?" Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/32064.
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Video games are currently regulated in North America through an independent organization, the Entertainment Software Rating Board. The United States Supreme Court is currently considering whether to uphold a section of California’s Civil Code that bans the sale of violent video games to minors. California’s legislature created this regulation on the grounds that it protected minors from the harm and moral wrongs that playing violent video games allegedly cause. However, the Entertainment Merchants’ Association has strongly contested this law by contesting that violent video games cannot be proven to be harmful.
From a harm perspective, regulations can be imposed to reduce harm to oneself (e.g. prescription of helmets), or harm to others (e.g. proscription of guns). Regulations can also be imposed to prevent actions that are considered moral wrongs, regardless of the harm they do (e.g. Section 163 of Canadian Criminal Code outlines "Offences tending to corrupt morals"). Therefore, this thesis asks the question, "Is there sufficient evidence that playing video games (a) causes harm or (b) constitutes a form of moral wrong to the gamer and/or the public at large that would justify a Supreme Court decision to uphold California’s Civil Code banning violent game sales to minors?"
This thesis is divided into three chapters. Chapter 2 reviews the evidence for and against video games causing harm by examining experimental video game effects literature. Chapter 3 is an analysis of individual games that assesses whether playing them is a form of moral wrong to the player. The results of the first two chapters will provide the evidentiary basis for whether California’s law regulating games should be upheld. These two chapters showed inconclusive results in deciding whether video games are harmful and morally wrong to play. Chapter 4 explores improvements that could be made to the Entertainment Software Rating Board’s system if the current legislative measures are not upheld. Chapter 5 is general conclusions, discussion, and future directions for this stream of video game research.
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Shilling, Katharine Meghan. "Mesoscale Edge Characterization." Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/10471.
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In mesoscale manufacturing desired dimensional and surface characteristics are defined, but edge conditions are not specified in design. The final edge conditions that exist in mesoscale objects are created not only by the manufacturing process but, because of their size, also by part handling procedures. In these parts, the concern is not only with burrs, which can be formed by some mesoscale manufacturing processes, but also with the shape and size of the edge. These properties are critically important as the edge can constitute a large percentage of the smallest features of mesoscale objects. Undefined edge geometry can result in measurement, assembly, and operational difficulties.
Due to the potential problems caused by edge conditions, it is desirable to have the ability to measure and characterize the edge conditions of parts. This thesis considers mesoscale measurement tools to provide an edge measurement tool recommendation based on edge size and properties. A set of analysis techniques is developed to determine the size and shape of the measured edge, locate any local inconsistencies such as burrs or dents, and track trends in calculated parameters as a function of edge position. Additionally, a standard method for communicating design requirements is suggested in order to differentiate between acceptable and unacceptable edges.
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Tarkhanov, Nikolai. "Anisotropic edge problems." Universität Potsdam, 2002. http://opus.kobv.de/ubp/volltexte/2008/2628/.
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We investigate elliptic pseudodifferential operators which degenerate in an anisotropic way on a submanifold of arbitrary codimension. To find Fredholm problems for such operators we adjoint to them boundary and coboundary conditions on the submanifold.The algebra obtained this way is a far reaching generalisation of Boutet de Monvel's algebra of boundary value problems with transmission property. We construct left and right regularisers and prove theorems on hypoellipticity and local solvability.
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Kim, Hak Kyun. "On the edge." CONNECT TO THIS TITLE ONLINE, 2008. http://etd.lib.umt.edu/theses/available/etd-05162008-155633/.
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Hind, Hugh Robert Faulkner. "Restricted edge-colourings." Thesis, University of Cambridge, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.279728.
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Weindelmayer, Laura Celeste. "Rappahannock River Edge." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/31352.
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Inherent in river is a dual nature: it is a dynamic, flooding entity which never moves but causes movement. This cord which ties the lands and towns along its edges also ties the individual town to the water. The river's character becomes apparent through the life of the town and the provision through trade and industry. River, in this case, has a more static quality as it becomes a constant, a known factor in the life of a man. The dynamic of river shows forth when its character changes faces to overtake the town which grew from its edge. In this thesis, an 1800 foot site along the Rappahannock becomes the stage which responds to the actions of a river.Master of Architecture
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Desalvatore, Ryan Joseph. "River Edge Retreat." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/52642.
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Nature has the power to provide persepctive, an atmosphere of reflection and contemplation, and also allows one to retreat to seclusion and recharge. A retreat on a river's edge provides access to these attributes of
nature. An effort to blur the boundary of the outdoors was made to encourage emersion into it. The choice of natural and relatively local material provides a relationship between the built and the natural, allowing the
inhabitant to experience the marriage of the two. The rhythm of heavy timber framework contrasts and
compliments the delicate and transulcent southern facade; the existence of the two perpetuates the
perspective of balance and harmony. The intention of balance and harmony was not successful the first couple of tries. Trying to manipulate the structure against it's natural geometry and rhythm only produced problems. Once the structure was allowed influence the form instead of vice versa, better spatial opportunities became apparent.Master of Architecture
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Brumfield, Dale M. "On the Edge." VCU Scholars Compass, 2015. http://scholarscompass.vcu.edu/etd/3893.
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Rousseau, Leslie Corder. "From the Edge." VCU Scholars Compass, 2006. http://scholarscompass.vcu.edu/etd/918.
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Paintings and drawings are the physical representations of my dialogue with the world around me. Art is how I connect to what is too large, or too vague, or too personally meaningful to express in any other way. Space and its transformation by light and color have always been central to this dialogue. I am particularly intrigued by spatial ambiguity. Space exists for us only in how it relates to us and so, space changes. One viewpoint or state of mind might make space seem freeing, while another makes the same space feel confining. Barriers are sometimes delineated, sometimes obscured. At other times, they are broken. This has a political implication which appears in my work as fissures, fences, compression, and collapse.The space of my inner self, the space outside, and the space between the two are relationships that drive what I paint and draw. My art is the place where I acknowledge the cracks in the ice and where I try to keep from falling through when the ground opens up. Shifting planes are where I try to keep my balance while peeking through the cracks and over the edge.
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Stoneham, Luke. "Off the edge." Thesis, Brunel University, 2014. http://bura.brunel.ac.uk/handle/2438/11338.
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Work which takes from elsewhere forms an important thread in European art music. There is a long tradition of music which variously borrows, thieves, pastiches, plagiarises, ironically ‘retakes’, hoaxes, impersonates and appropriates. The music I have written for Off the edge, while seeking to honour and add to this thread, also attempts to zoom in upon and make explicit the idea of an ultimate and irreversible composerly self-annihilation, a kind of one-way exit-gate from the world of authored musical works itself made of pieces of music, which so much of this tradition, I feel, points towards. (Of my nine pieces, it is perhaps Time to go—only, with its ‘à la suicide note’ texts and its music that seems to slide in from far beyond the frame that is ‘composer Luke Stoneham’, which manages to get closest to this.) I have chosen the title Off the edge, because all of my music tries to capture a sense of nocturnal peripheral vision: be content with catching glimpses of the composer Luke Stoneham, because as soon as you turn to look at him face-on, he disappears.
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Chan, Kwan Yee. "Leading edge stall." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/leading-edge-stall(774633f8-5829-40e2-bf95-aec3e33d90b8).html.
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An airfoil is placed in a high Reynolds number but subsonic fluid flow and is subject to very slow perturbations of its angle of attack compared to the time scale of the flow. Asymptotic solutions for the Navier-Stokes equations are obtained for the boundary layer and interaction region flow structure on the airfoil. The viscous-inviscid interaction between the boundary layer and external inviscid flow is on a time scale sufficiently large such that the induced pressure gradient from the displacement of the boundary layer from the surface is negligible. Numerical solutions are found for the solvability condition from the method of matched asymptotic expansions, which ensures flow structure consistency. A short bubble of reversed recirculating flow forms on the surface of the airfoil. As time progresses, the angle of attack approaches a critical angle for a skin friction singularity and nonlinear breakdown. Discontinuous skin friction solutions are obtained for a second interactive stage equation. An eruption process from the bubble thickens the boundary layer and terminates the second interactive stage, resulting in a vortex, or eddy, spanning the boundary layer. The ejection of the vortex from the surface is the process of leading edge stall.
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Rummler, William August. "Sampling edge covers /." Online version of thesis, 2009. http://hdl.handle.net/1850/10647.
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Knight, Jill. "Navigating the edge /." [St. Lucia, Qld.], 2000. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16333.pdf.
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Cheng, Hee Lin. "Supermagic labeling, edge-graceful labeling and edge-magic index of graphs." HKBU Institutional Repository, 2000. http://repository.hkbu.edu.hk/etd_ra/280.
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Brooks, Jeffrey. "Edge-to-edge multicast overlay trees for real time video distribution /." free to MU campus, to others for purchase, 2003. http://wwwlib.umi.com/cr/mo/fullcit?p1418008.
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Wang, Ziqing. "Fuzzy neural network for edge detection and Hopfield network for edge enhancement." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0005/MQ42458.pdf.
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Bartczak, Mateusz. "School on the Edge." Thesis, Norges teknisk-naturvitenskapelige universitet, Fakultet for arkitektur og billedkunst, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-17637.
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Smith, Paul Alexander. "Edge-based motion segmentation." Thesis, University of Cambridge, 2002. https://www.repository.cam.ac.uk/handle/1810/269782.
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Motion segmentation is the process of dividing video frames into regions which have different motions, providing a cut-out of the moving objects. Such a segmentation is a necessary first stage in many video analysis applications, but providing an accurate, efficient motion segmentation still presents a challenge. This dissertation proposes a novel approach to motion segmentation, using the image edges in a frame. Using edges, a motion can be calculated for each object. Edges provide good motion information, and it is shown that a set of edges, labelled according to the object motion that they obey, is sufficient to completely determine the labelling of the whole frame, up to unresolvable ambiguities. The areas of the frame between edges are divided into regions, grouping together pixels of similar colour, and these regions can each be assigned to different motion layers by reference to the edges. The depth ordering of these layers can also be deduced. A Bayesian framework is presented, which determines the most likely region labelling and depth ordering, given edges labelled with their probability of obeying each of the object motions. An efficient implementation of this framework is presented, initially for segmenting two motions (foreground and background) using two frames. The ExpectationMaximisation algorithm is used to determine the two motions and calculate the label probability for each edge. The frame is then segmented into regions. The best motion labelling for these regions is determined using simulated annealing. Extensions of this simple implementation are then presented. It is demonstrated how, by tracking the edges into further frames, the statistics may be accumulated to provide an even more accurate and robust segmentation. This also allows a complete sequence to be segmented. It is then demonstrated that the framework can be extended to a larger number of motions. A new hierarchical method of initialising the Expectation-Maximisation algorithm is described, which also determines the best number of motions. These techniques have been extensively tested on thirty-four real sequences, covering a wide range of genres. The results demonstrate that the proposed edge-based approach is an accurate and efficient method of obtaining a motion segmentation.
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Bryan, Karin R. "Bar-trapped edge waves." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq24733.pdf.
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Gustafsson, Fredrik. "Designing the edge beams." Thesis, Linköpings universitet, Institutionen för teknik och naturvetenskap, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-93601.
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New construction of bridges is the choice of edge beams something that is often discussed. In Sweden currently three different models for the edge beams. When edge beams be elected, all the pros and cons of the different types of edge beams should be considered before deciding on the type of edge beam to be used. Many believe that decisions concerning the selection of edge beams sometimes not correct. This is based in the fact that there are many opinions about what edge beam which should be used. The choice of edge beam controls how advanced dewatering and railing design will be. Edge beam design has a major impact on drainage and bridge railing design. The choice of the edge beam can both simplify the de-watering and provide a better profitability. The purpose of this work is to investigate the problems there are with today's three standard edge beams. The work also aims to provide suggestions for improvement through new designs of edge beam to meet good dewatering properties, and good profitability. Interviews with different people are a great foundation for the work to get a broad perspective over the problem of edge beams. Current bridge snake TK Bro has been a good source in describing the edge beams and the dewatering takes place. Edge Beams in Sweden has been used for a long time without any significant change has occurred. My study shows that there is a demand for the development of the edge beams and find new solutions to achieve profitability. This report describes my suggestion for improvement. The improvements are based on the problems as set forth and the rules that exist in TK Bro.Vid nybyggnation av broar är val av kaltbalkstyp något som ofta diskuteras. I Sverige används idag tre stycken olika standardkantbalkar. När kantbalkstyp ska väljas måste alla för- och nackdelar för de olika kantbalkstyperna övervägas innan beslut tas om vilken typ av kantbalk som ska användas. Många anser att besluten om val av kantbalkstyp ibland inte blir korrekt. Detta grundar sig i att det finns många åsikter om vilken kanbalkstyp som bör användas. Valet av kantbalkstyp styr hur avancerad avvattning och räckeskonstruktion blir. Kantbalksutformningen har stor påverkan på brons avvattning samt räckeskonstruktionen. Valet av kantbalk kan både förenkla avvattningen samt ge en bättre lönsamhet. Syftet med arbetet är att undersöka vilka problem det finns med dagens tre standardkantbalkar. Arbetet syftar också till att ge förslag på förbättringar genom nya utformningar av kantbalken för att uppfylla goda avvattningsegenskaper samt god lönsamhet. Intervjuer av personer insatta i ämnet är till stor grund för arbetet, för att få ett brett perspektiv över problemet med kantbalkar. Aktuella bronormen TK Bro har varit en bra källa vid beskrivningen av kantbalkarna och hur avvattningen sker. Kantbalkarna i Sverige har använts under en lång tid utan att någon större förändring har skett. Min studie visar på att det finns en efterfrågan på att utveckla kantbalken och finna nya lösningar för att uppnå lönsamhet. I rapporten redovisas mina förslag till förbättringar. Förbättringarna bygger på problematiken som frambringats under mina intervjuer.
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Duran, Ezdin. "Design of Edge Beams." Thesis, KTH, Bro- och stålbyggnad, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-147851.
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The purpose of the edge beam is to support the railing and the pavement, function as part of the drainage system and in the case it is integrated into the bridge deck it can serve to distribute concentrated loads. It is located in road environment and therefore exposed to water and salt with chlorides as well as subject to impacts during accidents. It deteriorates in a greater pace than the rest of the bridge and therefore has a shorter lifespan than the bridge in full. A deteriorated edge beam put the safety of the bridge users in jeopardize and increases the need of maintenance, repair and replacement work. These activities affect the surrounding traffic flow due to reduced speed limits as well as closure of traffic lanes. A literature study has been performed to get an understanding of how edge beams are designed and constructed. A great part of this was done by examining codes and regulations. By meeting engineers from different building companies it has been possible to obtain a picture of how it is done in real life and how the path to the final design looks like. Building site visits were carried out to see the process from design to construction i.e. how it is applied in real life. A design study was performed, including a check of crack width in an integrated edge beam over a support, height of bridge deck when a pre-fabricated (brokappa) is used and a comparison in the magnitude of the clamping moment in a steel-concrete bridge with and without an edge beam. All proposals are presented by the Edge Beam Group (EBG, in Swedish, Kantbalksgruppen), which is composed of experienced engineers that works within the frame of the project social optimal edge beam systems governed by the Swedish Transport Administration. The literature research showed that even if the edge bean is prone to deteriorate its lifespan does not have to be governed by its condition. Planned expansion of bridge width and maintenance strategies including the replacement of waterproofing layer could also be a reason for replacement in some cases. A significant increase of reinforcement in the edge beam and top part of the bridge deck over support is needed to obtain an acceptable crack width of 0.15mm. This would however aggravate the casting phase. The use of a pre-fabricated edge beam result in an increase of the bridge deck height. A solution could be to strengthen the anchoring capacity but this could in turn give an over reinforced structure. When it comes to the clamping moment in a steelconcrete composite bridge the integrated edge beam leads to a better distribution of the traffic load. On the other hand, due to the higher dead weight, a bridge deck without an edge beam would result in a lower total moment in the cantilever.
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Koman, Robin. "THE EDGE OF THINGS." Master's thesis, University of Central Florida, 2008. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3646.
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ABSTRACT The Edge of Things is what I like to call a love song to the dispossessed. Each of the eight stories in the collection is an examination of the lives of women who are exiled from modern American consumer culture, whether by circumstance or by choice. This separation brings them heartache, risk, and sometimes even hope. The collection is fueled by the landscape of Florida, observed at its most beautiful and most corrupted, from highways, landfills, and trailer parks to housing developments, gardens, and secret forests. Setting is a constant source of revelation, the external landscape offering insight into the internal struggles of the characters. Regardless of age, race, or sexual orientation, the women of The Edge of Things find themselves moving toward, or just past, incredible changes in their lives. In "Seed of the Golden Mango", "Raising the Dead", and "The Girl Who Loved Bugs", young women deal with the loss of loved ones. The women of "Zyczenie", "It Cannot Hold", and "Wasp Honey" must deal with old losses in order to survive the realities of the outside world that they have long ignored. "The Edge of Things" and "The Secret Letters" both deal with love, and the consequences of an inability to communicate. In each of these tales I hope to present unforgettable characters, women whose journeys will haunt, reminding readers that on some level, the love song of the dispossessed calls to us all.M.F.A.
Department of English
Arts and Humanities
Creative Writing MFA
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Powles, Christopher J. "Supersonic leading-edge noise." Thesis, Keele University, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.409825.
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Farmer, William John. "Edge-lit holographic stereograms." Thesis, Massachusetts Institute of Technology, 1991. http://hdl.handle.net/1721.1/65976.
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GREEN, ADAM J. "URBAN EDGE: SUBURBAN DREAMS." University of Cincinnati / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1084900580.
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Yang, Jiayi. "Distributed Edge Cloud Availability." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-427505.
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With 5G being rolled out across the world, new performance-sensitive applications are emerging in various domains. To meet their performance goals, such as availability, latency, etc., a new distributed edge cloud will be set up near the logical edge of the telecom operator's network. However, lower availability inside the distributed edge cloud could cost significant economic losses to the cloud provider. The application's availability requirements may be expressed in terms of the Service Level Agreement (SLA). Therefore, the availability information could be exposed to an application orchestrator to ensure the applications' SLA is met. Some early works have addressed the availability inside data centers, however, none of the existing works considers the availability over a distributed edge cloud system. To cover this gap, this thesis work proposes a methodology to assess edge cloud availability. The methodology contains a system model of distributed edge clouds to solve the availability estimation problem. Some availability metrics are also defined from the perspective of both edge cloud operators and application developers. Moreover, a simulation framework is extended to evaluate this methodology. This thesis also studies the sensitivity analysis of availability due to various parameters. The sensitivity results show that overload delay is a factor that affects system availability, along with node and link failures. Furthermore, the results show that node failure is a more dominant factor that affects system availability, instead of link failure. The thesis also makes recommendations for further research work.
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Hasanaj, Enis, Albert Aveler, and William Söder. "Cooperative edge deepfake detection." Thesis, Jönköping University, JTH, Avdelningen för datateknik och informatik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-53790.
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Deepfakes are an emerging problem in social media and for celebrities and political profiles, it can be devastating to their reputation if the technology ends up in the wrong hands. Creating deepfakes is becoming increasingly easy. Attempts have been made at detecting whether a face in an image is real or not but training these machine learning models can be a very time-consuming process. This research proposes a solution to training deepfake detection models cooperatively on the edge. This is done in order to evaluate if the training process, among other things, can be made more efficient with this approach. The feasibility of edge training is evaluated by training machine learning models on several different types of iPhone devices. The models are trained using the YOLOv2 object detection system. To test if the YOLOv2 object detection system is able to distinguish between real and fake human faces in images, several models are trained on a computer. Each model is trained with either different number of iterations or different subsets of data, since these metrics have been identified as important to the performance of the models. The performance of the models is evaluated by measuring the accuracy in detecting deepfakes. Additionally, the deepfake detection models trained on a computer are ensembled using the bagging ensemble method. This is done in order to evaluate the feasibility of cooperatively training a deepfake detection model by combining several models. Results show that the proposed solution is not feasible due to the time the training process takes on each mobile device. Additionally, each trained model is about 200 MB, and the size of the ensemble model grows linearly by each model added to the ensemble. This can cause the ensemble model to grow to several hundred gigabytes in size.
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Green, Adam J. "Urban edge suburban dreams /." Cincinnati, Ohio : University of Cincinnati, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=ucin1084900580.
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Engbrecht, Michael Robert 1955. "PREDICTING EDGE DETECTOR PERFORMANCE." Thesis, The University of Arizona, 1987. http://hdl.handle.net/10150/276456.
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This paper proposes a metric to predict edge detection performance when applied to an image with noise. First, models of edges and edge detection linear operators are characterized by their spatial and Fourier domain properties. Second, additive uncorrelated noise on the operator is examined and a metric is developed using the image formation system modulation transfer function (MTF), expected noise power spectral density, and edge detector characterization as inputs. Thirdly, the problem of partially correlated noise is examined. A separate performance metric for simple thresholded operator outputs is proposed. Finally, several discrete edge detectors in noise are evaluated numerically. Both the metric based on signal to noise detector output, and based on thresholding probabilities were useful in predicting previously published performance results. This was true even for many nonlinear detectors based on the linear detectors evaluated here. The specification of a localization criteria was critical for comparisons between detectors.
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Das, Arup. "Region-based filtering of multiplicative noise, analysis of edge sharpness, and edge enhancement." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq20867.pdf.
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Gum, Teren. "A simple linear algorithm for computing edge-to-edge visibility in a polygon /." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=65508.
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Harutyunyan, G., and Bert-Wolfgang Schulze. "Boundary value problems in weighted edge spaces." Universität Potsdam, 2006. http://opus.kobv.de/ubp/volltexte/2009/3010/.
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We study elliptic boundary value problems in a wedge with additional edge conditions of trace and potential type. We compute the (difference of the) number of such conditions in terms of the Fredholm index of the principal edge symbol. The task will be reduced to the case of special opening angles, together with a homotopy argument.
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Trosclair, Kevin J. "Wave transformation at a saltmarsh edge and resulting marsh edge erosion: observations and modeling." ScholarWorks@UNO, 2013. http://scholarworks.uno.edu/td/1777.
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This study examines wind generated waves during winter storms, their transformation/attenuation near the marsh edge, and the resulting saltmarsh edge erosion. A simple numerical model for wave generation, transmission and marsh edge erosion was developed and validated against observations from Lake Borgne, Louisiana. Results suggest that meteorological conditions modify the local water depth via wind or wave setup and atmospheric pressure, thus exerting a first order control on the location of wave attack, which in turn determines the type of wave forces (shear vs. impact) that dominate the erosion process. Scarp failure follows, at a location determined by water level, creating multiple erosive scarps and terraces. High measured erosion, likely due to marsh edge destabilization followed by subsequent frontal passage forces differential marsh erosion, exposing underlying substrate to further erosion. A conceptual model for marsh edge retreat is developed using these observations and supported further by model predictions.
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Mallon, Linda. "4-Dimensionale morphologische Analyse der Mitralklappe vor und nach perkutaner Edge-to-edge- Mitralklappenrekonstruktion." Doctoral thesis, Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-216610.
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Die perkutane Behandlung der sekundären Mitralklappeninsuffizienz (MI) ist eine Therapieoption für Patienten mit hohem Operationsrisiko. Der Einfluss der perkutanen Edge-to-edge-Mitralklappenrekonstruktion (PMKR) mittels MitraClip® auf die Geometrie der Mitralklappe ist noch nicht gänzlich verstanden. In der vorliegenden Arbeit wurde ein neuartiges 4-dimensionales Mitralklappenmodell, das auf Real Time 3-dimensionaler transösophagealer Echokardiographie (RT3DTEE) basiert, dazu genutzt, die morphologischen Veränderungen der Mitralklappe während des gesamten Herzzyklus vor und nach PMKR zu bestimmen. Dazu wurden retrospektiv prä- und postprozedurale RT3DTEE-Datensätze von 28 Patienten mit sekundärer MI analysiert, an denen eine elektive PMKR vorgenommen wurde. Mit Hilfe einer halb-automatischen Mitralklappen-Modellierungssoftware wurde die Mitralklappenmorphologie über den gesamten Herzzyklus in 10%-Schritten quantifiziert. Es wurden signifikante Veränderungen in der Mitralklappengeometrie der Segel und des Anulus nachgewiesen: Nach PMKR zeigten die Patienten eine sofortige signifikante Reduktion der Mitralklappenöffnungsfläche und des anteroposterioren Durchmessers über den gesamten Herzzyklus, sowie eine signifikante Vergrößerung des anterolateral-posteromedialen Durchmessers und des kommissuralen Durchmessers ausschließlich in der Diastole. Nach bestem Wissen wird in dieser Arbeit die erste 4D-Analyse der Mitralklappe über den gesamten Herzzyklus vor und nach PMKR vorgelegt. Die Ergebnisse ermöglichen ein besseres Verständnis der funktionellen und anatomischen Mechanismen der Mitralklappe.
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Antonini, Mattia. "From Edge Computing to Edge Intelligence: exploring novel design approaches to intelligent IoT applications." Doctoral thesis, Università degli studi di Trento, 2021. http://hdl.handle.net/11572/308630.
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The Internet of Things (IoT) has deeply changed how we interact with our world. Today, smart homes, self-driving cars, connected industries, and wearables are just a few mainstream applications where IoT plays the role of enabling technology. When IoT became popular, Cloud Computing was already a mature technology able to deliver the computing resources necessary to execute heavy tasks (e.g., data analytic, storage, AI tasks, etc.) on data coming from IoT devices, thus practitioners started to design and implement their applications exploiting this approach. However, after a hype that lasted for a few years, cloud-centric approaches have started showing some of their main limitations when dealing with the connectivity of many devices with remote endpoints, like high latency, bandwidth usage, big data volumes, reliability, privacy, and so on. At the same time, a few new distributed computing paradigms emerged and gained attention. Among all, Edge Computing allows to shift the execution of applications at the edge of the network (a partition of the network physically close to data-sources) and provides improvement over the Cloud Computing paradigm. Its success has been fostered by new powerful embedded computing devices able to satisfy the everyday-increasing computing requirements of many IoT applications. Given this context, how can next-generation IoT applications take advantage of the opportunity offered by Edge Computing to shift the processing from the cloud toward the data sources and exploit everyday-more-powerful devices? This thesis provides the ingredients and the guidelines for practitioners to foster the migration from cloud-centric to novel distributed design approaches for IoT applications at the edge of the network, addressing the issues of the original approach. This requires the design of the processing pipeline of applications by considering the system requirements and constraints imposed by embedded devices. To make this process smoother, the transition is split into different steps starting with the off-loading of the processing (including the Artificial Intelligence algorithms) at the edge of the network, then the distribution of computation across multiple edge devices and even closer to data-sources based on system constraints, and, finally, the optimization of the processing pipeline and AI models to efficiently run on target IoT edge devices. Each step has been validated by delivering a real-world IoT application that fully exploits the novel approach. This paradigm shift leads the way toward the design of Edge Intelligence IoT applications that efficiently and reliably execute Artificial Intelligence models at the edge of the network.
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Antonini, Mattia. "From Edge Computing to Edge Intelligence: exploring novel design approaches to intelligent IoT applications." Doctoral thesis, Università degli studi di Trento, 2021. http://hdl.handle.net/11572/308630.
Full textAbstract:
The Internet of Things (IoT) has deeply changed how we interact with our world. Today, smart homes, self-driving cars, connected industries, and wearables are just a few mainstream applications where IoT plays the role of enabling technology. When IoT became popular, Cloud Computing was already a mature technology able to deliver the computing resources necessary to execute heavy tasks (e.g., data analytic, storage, AI tasks, etc.) on data coming from IoT devices, thus practitioners started to design and implement their applications exploiting this approach. However, after a hype that lasted for a few years, cloud-centric approaches have started showing some of their main limitations when dealing with the connectivity of many devices with remote endpoints, like high latency, bandwidth usage, big data volumes, reliability, privacy, and so on. At the same time, a few new distributed computing paradigms emerged and gained attention. Among all, Edge Computing allows to shift the execution of applications at the edge of the network (a partition of the network physically close to data-sources) and provides improvement over the Cloud Computing paradigm. Its success has been fostered by new powerful embedded computing devices able to satisfy the everyday-increasing computing requirements of many IoT applications. Given this context, how can next-generation IoT applications take advantage of the opportunity offered by Edge Computing to shift the processing from the cloud toward the data sources and exploit everyday-more-powerful devices? This thesis provides the ingredients and the guidelines for practitioners to foster the migration from cloud-centric to novel distributed design approaches for IoT applications at the edge of the network, addressing the issues of the original approach. This requires the design of the processing pipeline of applications by considering the system requirements and constraints imposed by embedded devices. To make this process smoother, the transition is split into different steps starting with the off-loading of the processing (including the Artificial Intelligence algorithms) at the edge of the network, then the distribution of computation across multiple edge devices and even closer to data-sources based on system constraints, and, finally, the optimization of the processing pipeline and AI models to efficiently run on target IoT edge devices. Each step has been validated by delivering a real-world IoT application that fully exploits the novel approach. This paradigm shift leads the way toward the design of Edge Intelligence IoT applications that efficiently and reliably execute Artificial Intelligence models at the edge of the network.
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Giragosian, Sarah R. "At the edge of print /." Connect to online version, 2006. http://ada.mtholyoke.edu/setr/websrc/pdfs/www/2006/154.pdf.
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Xie, Xuzhen, Takao Ono, Shin-ichi Nakao, and Tomio Hirata. "NEARLY EQUITABLE EDGE-COLORING PROBLEM." INTELLIGENT MEDIA INTEGRATION NAGOYA UNIVERSITY / COE, 2006. http://hdl.handle.net/2237/10408.
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Dines, Nicoleta, X. Liu, and Bert-Wolfgang Schulze. "Edge quantisation of elliptic operators." Universität Potsdam, 2004. http://opus.kobv.de/ubp/volltexte/2008/2683/.
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The ellipticity of operators on a manifold with edge is defined as the bijectivity of the components of a principal symbolic hierarchy σ = (σψ, σ∧), where the second component takes value in operators on the infinite model cone of the local wedges. In general understanding of edge problems there are two basic aspects: Quantisation of edge-degenerate operators in weighted Sobolev spaces, and verifying the elliptcity of the principal edge symbol σ∧ which includes the (in general not explicitly known) number of additional conditions on the edge of trace and potential type. We focus here on these queations and give explicit answers for a wide class of elliptic operators that are connected with the ellipticity of edge boundary value problems and reductions to the boundary. In particular, we study the edge quantisation and ellipticity for Dirichlet-Neumann operators with respect to interfaces of some codimension on a boundary. We show analogues of the Agranovich-Dynin formula for edge boundary value problems, and we establish relations of elliptic operators for different weights, via the spectral flow of the underlying conormal symbols.
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Martin, C. I., and Bert-Wolfgang Schulze. "The quantisation of edge symbols." Universität Potsdam, 2005. http://opus.kobv.de/ubp/volltexte/2009/2995/.
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We investigate operators on manifolds with edges from the point of view of the symbolic calculus induced by the singularities. We discuss new aspects of the quantisation of edge-degenerate symbols which lead to continuous operators in weighted edge spaces.
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Fiset, Blair. "The edge of a town." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0016/MQ48266.pdf.
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