Relevant bibliographies by topics / Optimal Sequence / Dissertations / Theses
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Dissertations / Theses on the topic 'Optimal Sequence'

Author: Grafiati
Published: 6 September 2023
Last updated: 25 July 2025

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1

Grossmann, Steffen. "Statistics of optimal sequence alignments." [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=968907466.

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2

Starrett, Dean. "Optimal Alignment of Multiple Sequence Alignments." Diss., The University of Arizona, 2008. http://hdl.handle.net/10150/194840.

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An essential tool in biology is the alignment of multiple sequences. Biologists use multiple sequence alignments for tasks such as predicting protein structure and function, reconstructing phylogenetic trees, and finding motifs. Constructing high-quality multiple alignments is computationally hard, both in theory and in practice, and is typically done using heuristic methods. The majority of state-of-the-art multiple alignment programs employ a form and polish strategy, where in the construction phase, an initial multiple alignment is formed by progressively merging smaller alignments, startin
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3

Amara-Korba, Enwer. "Optimal sequence and heat integration for multicomponent distillation trains." Thesis, University of Sheffield, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340894.

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4

Mora, Castro Andrés Felipe. "Optimal switching sequence model predictive control for power electronics." Tesis, Universidad de Chile, 2019. http://repositorio.uchile.cl/handle/2250/170522.

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Tesis para optar al grado de Doctor en Ingeniería Eléctrica<br>En este proyecto de tesis, se propone una estrategia de control predictivo (MPC, por sus siglas en inglés) basada en el concepto de secuencia de conmutación óptima (OSS) recientemente introducido para convertidores de punto neutro enclavado de tres niveles (3L-NPC) conectados a la red eléctrica. La metodología de control propuesta, llamada OSS-MPC en cascada (C-OSS-MPC), considera explícitamente el modulador en su formulación junto con el modelo del sistema. Como se verificó a lo largo de esta tesis, la estrategia C-OSS-MPC está f
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Fischer, Jörg [Verfasser]. "Optimal Sequence-Based Control of Networked Linear Systems / Jörg Fischer." Karlsruhe : KIT Scientific Publishing, 2015. http://www.ksp.kit.edu.

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6

Islas, Anguiano Jose Angel. "Optimal Strategies for Stopping Near the Top of a Sequence." Thesis, University of North Texas, 2015. https://digital.library.unt.edu/ark:/67531/metadc822812/.

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In Chapter 1 the classical secretary problem is introduced. Chapters 2 and 3 are variations of this problem. Chapter 2, discusses the problem of maximizing the probability of stopping with one of the two highest values in a Bernoulli random walk with arbitrary parameter p and finite time horizon n. The optimal strategy (continue or stop) depends on a sequence of threshold values (critical probabilities) which has an oscillating pattern. Several properties of this sequence have been proved by Dr. Allaart. Further properties have been recently proved. In Chapter 3, a gambler will observe a finit
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Nagendra, Somanath. "Optimal stacking sequence design of stiffened composite panels with cutouts." Diss., This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06062008-170635/.

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8

Germain, Florence. "Estimation du mouvement dans une sequence d'images, en contexte lineaire optimal." Grenoble INPG, 1995. http://www.theses.fr/1995INPG0030.

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La perception du mouvement dans une sequence d'images est un element cle de la comprehension d'une scene dynamique. L'information de mouvement est partiellement observable grace aux variations spatio-temporelles de l'intensite lumineuse. Le caractere partiel de cette observation, ainsi que la presence de frontieres de mouvement, constituent deux des principales difficultes majeures liees a l'estimation du champ des vitesses. Dans la grande majorite des approches existantes, la fusion des observations est effectuee spatialement, a un instant donne. Le plus souvent, le champ de vecteurs estime e
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9

Hunziker, Angela. "Improving multiple sequence alignments using information from libraries of optimal pairwise alignments /." Zürich : ETH, Eidgenössische Technische Hochschule Zürich, [Departement für Informatik, Institut für Wissenschaftliches Rechnen], 2003. http://e-collection.ethbib.ethz.ch/show?type=dipl&nr=117.

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10

Luong, Dung Viet Electrical Engineering &amp Telecommunications Faculty of Engineering UNSW. "Optimal training sequence design for MIMO-OFDM in spatially correlated fading environments." Awarded by:University of New South Wales. Electrical Engineering & Telecommunications, 2009. http://handle.unsw.edu.au/1959.4/44513.

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Multiple Input Multiple Output with Orthogonal Frequency Division Multiplexing (MIMOOFDM) has been widely adopted as one of the most promising air interface solutions for future broadband wireless communication systems due to its high rate transmission capability and robustness against multipath fading. However, these MIMO-OFDM advantages cannot be achieved unless the channel state information (CSI) can be obtained accurately and promptly at the receiver to assist coherent detection of data symbols. Channel estimation and training sequence design are, therefore, still open challenges of great
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11

Ejenstam, Joakim. "Implementing a Time Optimal Task Sequence For Robot Assembly Using Constraint Programming." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-229581.

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Assembly lines in a lean production environment may persist for months or years, but due to the rapid change in demands on the consumer market they can be subject to quick changes. Robots have been proved to handle tasks that previously were limited to human workers: this is the goal of the flexible two armed robot developed by ABB. When installing a new robot into an assembly line there are several parameters which make it a difficult job for programmers, even experienced ones, to install the robot. These problems lead to long installation processes that can take weeks, and there are great be
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12

Hirschi, Joseph Christian. "A Dynamic Programming Approach to Identifying Optimal Mining Sequences for Continuous Miner Coal Production Systems." OpenSIUC, 2012. https://opensiuc.lib.siu.edu/dissertations/542.

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Underground mines are the source of 33% of US coal production and 60% of worldwide coal production. Room-and-pillar mining with continuous miners has been the most common production system used in these mines since the 1960s. The introduction of continuous miners mechanized the underground coal mining industry triggering a period of sustained growth in mine productivity; however, productivity peaked at the turn of the century and has been in decline for a decade. Research on productivity in underground coal mines began at Southern Illinois University Carbondale in 2000 and led to development o
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13

Barban, Nicola. "Essays on sequence analysis for life course trajectories." Doctoral thesis, Università degli studi di Padova, 2010. http://hdl.handle.net/11577/3421549.

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The thesis is articulated in three chapters in which I explore methodological aspects of sequence analysis for life course studies and I present some empirical analyses. In the first chapter, I study the reliability of two holistic methods used in life-course methodology. Using simulated data, I compare the goodness of classification of Latent Class Analysis and Sequence Analysis techniques. I first compare the consistency of the classification obtained via the two techniques using an actual dataset on the life course trajectories of young adults. Then, I adopt a simulation approach to measure
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14

Chen, Kanglin [Verfasser], Dirk [Akademischer Betreuer] Lorenz, and Peter [Akademischer Betreuer] Maaß. "Optimal Control based Image Sequence Interpolation / Kanglin Chen. Gutachter: Dirk Lorenz ; Peter Maaß. Betreuer: Dirk Lorenz." Bremen : Staats- und Universitätsbibliothek Bremen, 2011. http://d-nb.info/1071898078/34.

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15

Arango, Nicolas(Nicolas S. ). "Sequence-phase optimal (SPO) [d̳e̳l̳t̳a̳]B₀ field control for lipid suppression and homogeneity for brain magnetic resonance spectroscopic imaging." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/128411.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, February, 2020<br>Cataloged from PDF version of thesis. [d̳e̳l̳t̳a̳] in title on title page appears as upper case Greek letter.<br>Includes bibliographical references (pages 33-35).<br>This work develops sequence-phase optimal (SPO) [delta]B₀ shimming methods to reduce lipid contamination and improve brain metabolite spectra in proton spectroscopic imaging. A rapidly reconfigurable 32-channel, local-multi-coil-shim-array is used to enhance lipid suppression and narrow metabolite line
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16

Ngo, Thoi-Nhan. "Contrôle optimal en temps discret et en horizon infini." Thesis, Paris 1, 2016. http://www.theses.fr/2016PA01E062/document.

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Cette thèse contient des contributions originales à la théorie du Contrôle Optimal en temps discret et en horizon infini du point de vue de Pontryagin. Il y a 5 chapitres dans cette thèse. Dans le chapitre 1, nous rappelons des résultats préliminaires sur les espaces de suites à valeur dans et des résultats de Calcul Différentiel. Dans le chapitre 2, nous étudions le problème de Contrôle Optimal, en temps discret et en horizon infini avec la contrainte asymptotique et avec le système autonome. En utilisant la structure d'espace affine de Banach de l'ensemble des suites convergentes vers 0, et
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17

Nishijima, Yoshinori. "Effects of single-site and multi-site ventricular pacing on left and right ventricular mechanics and synchrony is there an optimal pacing sequence? /." Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1126717344.

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18

Mahmud, Mohamed Taher Mustafa. "Optimal design and operation of multivessel batch distillation with fixed product demand. Modelling, simulation and optimisation of design and operation parameters in multivessel batch distillation under fixed product demand scenario and strict product specifications using simple dynamic model in gPROMS." Thesis, University of Bradford, 2010. http://hdl.handle.net/10454/4435.

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Increased interest in unconventional batch distillation column configurations offers new opportunities for increasing the flexibility and energy efficiency of batch distillation. One configuration of particular interest is multivessel batch distillation column, which can be viewed as a generalization of all previously studied batch column configuration. In this work, for the first time the optimal design and operation tasks are developed for multivessel batch distillation with strict product specifications under fixed product demand. Also, in this work, two different operation schemes d
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19

Mishra, Vishal Vijayshankar. "Sequence-to-Sequence Learning using Deep Learning for Optical Character Recognition (OCR)." University of Toledo / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1513273051760905.

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20

Yasar, Temel Kaya. "Optimal Pulse Sequences for Magnetic Resonance Elastography." Thesis, University of Illinois at Chicago, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3668654.

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<p> Magnetic Resonance Elastography (MRE) is a non-invasive phase contrast MR imaging method that captures the three-dimensional harmonic wave propagation introduced into subject by external actuators. This wave propagation vector field is processed into stiffness maps of various kinds that are used to assess the pathological changes that cannot be detected otherwise with non-invasive imaging methods. As in all other MR imaging methods, long acquisition duration is one of the important limiting factors for MRE. There are different approaches to reduce the scan time, such as reduced motion enco
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21

Andrews, Robert J. "Optical flow from color image sequences /." St. Lucia, Qld, 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17830.pdf.

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22

Brujordet, Anders. "Finding an Optimal Approach for Indexing DNA Sequences." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for datateknikk og informasjonsvitenskap, 2010. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-11974.

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In this thesis you should find an optimal approach to index and retriev DNA sequences. As part of the task you should develop an algorithm that is fast, and accurate enough to find relevant sequences. The result will be evaluated based on speed, scalability and search efficiency (e.g. Precision and Recall). The approach should be implemented in a Java-based prototype which will be a "proof-of-the-concept".
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23

Fulton, John R. "Sensor orientation in image sequence analysis /." Connect to thesis, 2007. http://eprints.unimelb.edu.au/archive/00003510.

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24

Groussin, Mathieu. "Résurrection du passé à l’aide de modèles hétérogènes d’évolution des séquences protéiques." Thesis, Lyon 1, 2013. http://www.theses.fr/2013LYO10201/document.

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La reconstruction et la résurrection moléculaire de protéines ancestrales est au coeur de cette thèse. Alors que les données moléculaires fossiles sont quasi inexistantes, il est possible d'estimer quelles étaient les séquences ancestrales les plus probables le long d'un arbre phylogénétique décrivant les relations de parentés entre séquences actuelles. Avoir accès à ces séquences ancestrales permet alors de tester de nombreuses hypothèses biologiques, de la fonction des protéines ancestrales à l'adaptation des organismes à leur environnement. Cependant, ces inférences probabilistes de séquenc
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25

Birger, Christopher. "Optimal Coherent Reconstruction of Unstructured Mesh Sequences with Evolving Topology." Thesis, Linköpings universitet, Medie- och Informationsteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-112095.

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This thesis work will investigate and implement a method for reconstructing an unstructured mesh sequence with evolving topology. The goal of the method is to increase frame-to-frame coherency of the triangulation. The motivation of the method is that many of current state-of-the-art mesh compression and decimation algorithms for mesh sequences are based on static connectivity.
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26

Mustofadee, Affan. "Classification of muscles from ultrasound image sequences." Thesis, Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-2391.

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<p>The analysis of the health condition in Rheumatoid Arthritis (RA) remains a qualitative process dependent on visual inspection by a clinician. Fully automatic techniques that can accurately classify the health of the muscle have yet to be developed. The intended purpose of this work is to develop a novel spatio-temporal technique to assist in a rehabilitation program framework, by identifying motion features inherited in the muscles in order to classify them as either healthy or diseased. Experiments are based on ultrasound image sequences during which the muscles were undergoing contractio
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27

Lappas, Pelopidas. "Optimal motion estimation of features and objects in long image sequences." Thesis, University of Southampton, 2004. https://eprints.soton.ac.uk/265064/.

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28

Verlet, Jan Raf Rogier. "Controlling electronic and molecular dynamics using optical pulse sequences." Thesis, King's College London (University of London), 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.397922.

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29

Buratto, Steven Keith Weitekamp Daniel P. "Time-sequenced optical nuclear magnetic resonance of gallium arsenide /." Diss., Pasadena, Calif. : California Institute of Technology, 1993. http://resolver.caltech.edu/CaltechETD:etd-11092004-164546.

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30

Cho, Jin Woo. "Advanced optical receivers using cross layer optimization and maximum-likelihood sequence detection /." May be available electronically:, 2009. http://proquest.umi.com/login?COPT=REJTPTU1MTUmSU5UPTAmVkVSPTI=&clientId=12498.

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31

Dunning, Alexander. "Coherent atomic manipulation and cooling using composite optical pulse sequences." Thesis, University of Southampton, 2014. https://eprints.soton.ac.uk/364735/.

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The laser cooling of atoms to ultracold temperatures has propelled many groundbreaking advances in fundamental research and precision measurement, through such applications as quantum simulators and interferometric sensors. Laser cooling remains, however, highly species-selective, and techniques for its application to molecules are still in their infancy. This thesis broadly concerns the development of laser cooling schemes, based on sequences of coherent optical pulses, which can in principle be applied to a wide range of species. We describe a cooling scheme, in which a velocity-selective im
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Reysset, Aurelien. "Conception préliminaire d'actionneurs électromécaniques - outils d'aide à la spécification et à la génération de procédures de dimensionnement pour l'optimisation." Thesis, Toulouse, INSA, 2015. http://www.theses.fr/2015ISAT0003/document.

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Cette thèse a pour objectif d’apporter un ensemble d’outils logiciels s’inscrivant dans une méthodologie globale de conception de systèmes mécatroniques. Elle arrive en complément de travaux déjà menés au sein du laboratoire sur le pré-dimensionnement d’actionneurs aéronautiques de nouvelle génération : les actionneurs électromécaniques (EMA). Cette technologie apporte de nouvelles problématiques qui forcent les ingénieurs à modifier leur processus de développement et ce dès la phase de spécification où des profils de mission devront être générés/transformés/analysés de manière à simplifier la
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Bir, Amarpreet Singh. "Optimum stacking sequence design of composite sandwich panel using genetic algorithms." California State University, Long Beach, 2013.

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34

Weld, Andrew Mark. "Optical diffraction-based silicon sensors for the detection of DNA sequences." Thesis, University of Southampton, 2007. https://eprints.soton.ac.uk/47762/.

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This thesis describes the design, fabrication and characterisation of diffraction-based sensors on silicon (100) substrates for the detection of complementary DNA sequences using colloidal gold labels. In-depth analysis of variations of DNA sequence within the human genome and association with diseases is expected to lead to personalised medical treatment. There is a great need for DNA analysis technologies and for techniques to determine whether sequence variations occur on the same chromosomal strand with applications in disease screening and diagnosis. Novel two-dimensional diffraction stru
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35

Lee, Rebekah Ann. "Assembly, Annotation and Optical Mapping of the A Subgenome of Avena." BYU ScholarsArchive, 2017. https://scholarsarchive.byu.edu/etd/7238.

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Common oat (Avena) has held a significant place within the global crop community for centuries; although its cultivation has decreased over the past century, its nutritional benefits have recently garnered increased interest for human consumption. No published reference sequences are available for any of the three oat subgenomes. Here we report a quality sequence assembly, annotation and hybrid optical map of the A-genome diploid Avena atlantica Baum and Fedak. The assembly is composed of a total of 3,417 contigs with an N50 of 11.86 Mb and an estimated completeness of 97.6%. This genome seque
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Wang, Yunmiao. "Microgap Structured Optical Sensor for Fast Label-free DNA Detection." Thesis, Virginia Tech, 2011. http://hdl.handle.net/10919/32875.

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DNA detection technology has developed rapidly due to its extensive application in clinical diagnostics, bioengineering, environmental monitoring, and food science areas. Currently developed methods such as surface Plasmon resonance (SPR) methods, fluorescent dye labeled methods and electrochemical methods, usually have the problems of bulky size, high equipment cost and time-consuming algorithms, so limiting their application for in vivo detection. In this work, an intrinsic Fabry-Perot interferometric (IFPI) based DNA sensor is presented with the intrinsic advantages of small size, low cost
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Zapata, Iván R. "Detecting humans in video sequences using statistical color and shape models." [Gainesville, Fla.] : University of Florida, 2001. http://etd.fcla.edu/etd/uf/2001/anp1058/ivan%5Fthesis2.pdf.

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Thesis (M.S.)--University of Florida, 2001.<br>Title from first page of PDF file. Document formatted into pages; contains viii, 49 p.; also contains graphics. Vita. Includes bibliographical references (p. 47-48).
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Boukebeche, Djemaa. "Resultats limites presque surs optimaux des k-espacements pour une loi uniforme." Paris 6, 1988. http://www.theses.fr/1988PA066096.

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Soit x::(1),x::(2) une suite de variables aeatoires i. I. D. De fonction de densite f positive sur (a,b) et nulle ailleurs. On etudie le comportement asymptotique quand n->infini du maximum des k-espacements m::(n)**(k) induit par la statistique d'ordre de x::(1),x::(2). . . X::(n)
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Luo, Ying. "Statistical semantic analysis of spatio-temporal image sequences /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/5884.

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40

Corvee, Etienne. "Investigating optical flow and tracking techniques for recovering motion within image sequences." Thesis, Kingston University, 2005. http://eprints.kingston.ac.uk/20293/.

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Analysing objects interacting in a 3D environment and captured by a video camera requires knowledge of their motions. Motion estimation provides such information, and consists of re-covering 2D image velocity, or optical flow, of the corresponding moving 3D objects. A gradient-based optical flow estimator is implemented in this thesis to produce a dense field of velocity vectors across an image. An iterative and parameterised approach is adopted which fits planar motion models locally on the image plane. Motion is then estimated using a least-squares minimisation approach. The possible approxi
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41

Anderson, Curtis James. "Estimating the Optimal Extrapolation Parameter for Extrapolated Iterative Methods When Solving Sequences of Linear Systems." University of Akron / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=akron1383826559.

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42

Stanley, Michael Clare. "A quantitative estimation of the value of geoscience information in mineral exploration: Optimal search sequences." Diss., The University of Arizona, 1994. http://hdl.handle.net/10150/186863.

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This research provides quantitative estimates of value of geoscience information in the exploration for porphyry copper deposits of Arizona. As part of the study, an expert system named DISCOVERY is designed to integrate geological models, statistical decision theory, and mineral economics within a Monte Carlo simulation framework. The system requires, for each exploration survey, a probability that a simulated deposit will be detected. These detection probabilities are estimated using expert opinion from a panel of experienced geoscientists. This dissertation pioneers the application of influ
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Aue, Volker. "Optimum linear single user detection in direct-sequence spread-spectrum multiple access systems." Thesis, Virginia Tech, 1995. http://hdl.handle.net/10919/43609.

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<p>After Qualcomm's proposal of the IS-95 standard, <i>code-division multiple access</i> (CDMA) gained popularity as an alternative multiple-access scheme in cellular and <i>personal communication systems</i> (PCS). Besides the advantage of allowing asynchronous operation of the users, CDMA <i>direct-sequence spread spectrum</i> (DS-SS) offers resistance to frequency selective fading and graceful degradation of the performance as the number of users increases.</p> <p> Orthogonality of the signals in time-division multiple access and frequency-division multiple access is inherent from the natur
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Sergison, Darryl James. "Untangling the signals : investigating accretion and photometric variability in young stars." Thesis, University of Exeter, 2015. http://hdl.handle.net/10871/18720.

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In this thesis, an assessment is made of the value of optical CMDs as a useful diagnostic of the accretion properties of young stars. An analysis has been made of the phenomena that we observe and their effect on the position of stars in the CMD. Limitations and potential biases have been identified and evaluated. Variability causes some luminosity spread at a given colour in optical CMDs. A detailed characterisation of variability has been performed which places strong constraints on the magnitudes and the timescales on which the variability is seen. On timescales 15 minutes, almost no variab
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Jie, Cao, and Xie Qiu-cheng. "THE SEARCHING METHOD OF QUASI-OPTIMUM GROUP SYNC CODES ON THE SUBSET OF PN SEQUENCES." International Foundation for Telemetering, 1990. http://hdl.handle.net/10150/613438.

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International Telemetering Conference Proceedings / October 29-November 02, 1990 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>As the code length is increasing, the search of optimum group sync codes will be more and more difficult, even impossible. This paper gives the searching method of quasi-optimum group sync codes on the small subset of PN sequences -- CVT-TAIL SEARCHING METHOD and PREFIX-SUFFIX SEARCHING METHOD. We have searched out quasi-optimum group sync codes for their lengths N=32-63 by this method and compared them with corresponding optimum group sync codes for thei
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Costa, Camila Ferreira. "Nearest Neighbors with Operating Time Constraints and Optimal Sequenced Route Queries in Time-Dependent Road Networks." reponame:Repositório Institucional da UFC, 2014. http://www.repositorio.ufc.br/handle/riufc/13358.

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COSTA, C. F. Nearest Neighbors with Operating Time Constraints and Optimal Sequenced Route Queries in Time-Dependent Road Networks. 2014. 75 f. Dissertação (Mestrado em Ciência da Computação) - Centro de Ciências, Universidade Federal do Ceará, Fortaleza, 2014.<br>Submitted by Daniel Eduardo Alencar da Silva (dealencar.silva@gmail.com) on 2015-01-23T20:05:38Z No. of bitstreams: 1 2014_dis_cfcosta.pdf: 2126584 bytes, checksum: a2635ed2f82226579173a9e49d960c00 (MD5)<br>Approved for entry into archive by Rocilda Sales(rocilda@ufc.br) on 2015-09-23T16:29:29Z (GMT) No. of bitstreams: 1 2014_dis_cf
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Masi, Marco. "Modeling of sequences of Silicon micro-Resonators for On-Chip Optical Routing and Switching." Doctoral thesis, Università degli studi di Trento, 2011. https://hdl.handle.net/11572/369141.

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The purpose of this thesis is to focus on the aspect of passive devices allowing for WDM, routing, switching and filtering of optical signals, investigating novel routing concepts based on micro optical side coupled resonators to achieve large bandwidth by multiple cascading and/or multiple coupling (low group velocity) periodicity effects. We will describe some technical aspects necessary for the design and fabrication of some passive circuitry, and usually neglected in purely theoretical approaches, including optical routers based on racetrack resonators and novel SCISSOR and CROW devices.
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48

Masi, Marco. "Modeling of sequences of Silicon micro-Resonators for On-Chip Optical Routing and Switching." Doctoral thesis, University of Trento, 2011. http://eprints-phd.biblio.unitn.it/462/1/Tesi_finale.pdf.

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The purpose of this thesis is to focus on the aspect of passive devices allowing for WDM, routing, switching and filtering of optical signals, investigating novel routing concepts based on micro optical side coupled resonators to achieve large bandwidth by multiple cascading and/or multiple coupling (low group velocity) periodicity effects. We will describe some technical aspects necessary for the design and fabrication of some passive circuitry, and usually neglected in purely theoretical approaches, including optical routers based on racetrack resonators and novel SCISSOR and CROW devices.
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Feuillâtre, Hélène. "Détermination automatique de l'incidence optimale pour l'observation des lésions coronaires en imagerie rotationnelle R-X." Thesis, Rennes 1, 2016. http://www.theses.fr/2016REN1S039/document.

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Les travaux de cette thèse s’inscrivent dans le cadre du planning de traitements minimalement invasifs des lésions des artères coronaires. Le cardiologue réalise un examen coronarographique, puis dans la continuité, une angioplastie transluminale. L’angiographie rotationnelle à rayons X permet de visualiser sous différentes incidences 2D la lumière des artères coronaires sur plusieurs cycles cardiaques et aussi d’obtenir une reconstruction 3D+T des arbres coronaires. A partir de cette séquence, notre objectif est de déterminer automatiquement une incidence optimale 2D du segment sténosé compat
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Karlsson, Fredrik. "Matting of Natural Image Sequences using Bayesian Statistics." Thesis, Linköping University, Department of Science and Technology, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2355.

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<p>The problem of separating a non-rectangular foreground image from a background image is a classical problem in image processing and analysis, known as matting or keying. A common example is a film frame where an actor is extracted from the background to later be placed on a different background. Compositing of these objects against a new background is one of the most common operations in the creation of visual effects. When the original background is of non-constant color the matting becomes an under determined problem, for which a unique solution cannot be found. </p><p>This thesis describ
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