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Dissertations / Theses on the topic 'Information theoretic measure'

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1

Kim, Hyoung-soo. "INFORMATION-THEORETIC OPTIMIZATION OF WIRELESS SENSOR NETWORKS AND RADAR SYSTEMS." Diss., The University of Arizona, 2010. http://hdl.handle.net/10150/193668.

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Three information measures are discussed and used as objective functions for optimization of wireless sensor networks (WSNs) and radar systems. In addition, a long-term system performance measure is developed for evaluating the performance of slow-fading WSNs. Three system applications are considered: a distributed detection system, a distributed multiple hypothesis system, and a radar target recognition system.First, we consider sensor power optimization for distributed binary detection systems. The system communicates over slow-fading orthogonal multiple access channels. In earlier work, it
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2

Streicher, Simon. "Plant-wide fault and disturbance screening using combined network centrality and information-theoretic causality measure analysis." Diss., University of Pretoria, 2018. http://hdl.handle.net/2263/70898.

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Finding the source of a disturbance in complex systems such as industrial chemical processing plants can be a difficult task and require a significant amount of engineering hours. In many cases, a systematic elimination procedure is considered to be the only feasible approach but can cause significant process upsets. Practitioners desire robust alternative approaches. This study evaluates methods for ranking process elements according to the magnitude of their influence in a complex system. The use of data-driven causality estimation techniques to infer an information transfer network among
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3

Oyenubi, Adeola. "Information theoretic measure of complexity and stock market analysis : using the JSE as a case study." Master's thesis, University of Cape Town, 2010. http://hdl.handle.net/11427/10967.

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Includes bibliographical references (leaves 37-39).<br>Bozdogan [8] [6] [7] developed a new model selection criteria called information measure of complexity (ICOMP) for model selection. In contrast to Akaike's [1] information criterion (AIC) and other AIC type criteria that are traditionally used for regression analysis, ICOMP takes into account the interdependencies of the parameter estimates. This paper is divided into two parts. In the first part we compare and contrast ICOMP with AIC and other AIC type selection criterion for model selection in regression analysis involving stock market s
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4

Iyengar, Giridharan Ranganathan 1969. "Information theoretic measures for encoding video." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/61531.

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5

Kariuki, Stella Waithiegeni. "Information-theoretic performance measures for effective scheduling in manufacturing." Thesis, University of Oxford, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.400193.

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6

Foster, Peter. "Information-theoretic measures of predictability for music content analysis." Thesis, Queen Mary, University of London, 2014. http://qmro.qmul.ac.uk/xmlui/handle/123456789/9021.

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This thesis is concerned with determining similarity in musical audio, for the purpose of applications in music content analysis. With the aim of determining similarity, we consider the problem of representing temporal structure in music. To represent temporal structure, we propose to compute information-theoretic measures of predictability in sequences. We apply our measures to track-wise representations obtained from musical audio; thereafter we consider the obtained measures predictors of musical similarity. We demonstrate that our approach benefits music content analysis tasks based on mus
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7

Castelló, Boscá Pascual. "Viewpoint-driven Simplification of Polygonal Models using Information Theoretic measures." Doctoral thesis, Universitat Jaume I, 2007. http://hdl.handle.net/10803/10484.

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Los modelos poligonales actualmente dominan el campo de los gráficos interactivos. Esto es debido a su simplicidad matemática que permite que los más comunes algoritmos de visualización se implementen directamente en el hardware. Sin embargo la complejidad de estos modelos (medidos por el número de polígonos) crece más rápido que la capacidad del hardware grafico para visualizarlos interactivamente. Las técnicas de simplificación de polígonos ofrecen una solución para tratar estos modelos complejos. Estos métodos simplifican la geometría poligonal reduciendo el coste de visualización del model
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8

Bonaventura, Brugués Xavier. "Perceptual information-theoretic measures for viewpoint selection and object recognition." Doctoral thesis, Universitat de Girona, 2015. http://hdl.handle.net/10803/302540.

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Viewpoint selection has been an emerging area in computer graphics for some years, and it is now getting maturity with applications in fields such as scene navigation, volume visualization, object recognition, mesh simplification, and camera placement. But why is viewpoint selection important? For instance, automated viewpoint selection could play an important role when selecting a representative model by exploring a large 3D model database in as little time as possible. Such an application could show the model view that allows for ready recognition or understanding of the underlying 3D model.
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9

Kabata, Apphiah Justice. "Convergence Performance of Information Theoretic Similarity Measures for Robust Matching." Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-186525.

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Image matching is an area of significant use in the medical field, as there is a need to match images captured with different modalities, to overcome the limitation that can occur when dealing with individual modalities. However, performing matching of multimodal images may not be a trivial task. Multimodality entails changes in brightness and contrast that might be an obstacle when performing a match using similarity measures. This study investigated the convergence performance of information-theoretic similarity measures. The similarity measures analysed in this study are mutual information
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10

Zegers, Pablo, B. Frieden, Carlos Alarcón, and Alexis Fuentes. "Information Theoretical Measures for Achieving Robust Learning Machines." MDPI AG, 2016. http://hdl.handle.net/10150/621411.

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Information theoretical measures are used to design, from first principles, an objective function that can drive a learning machine process to a solution that is robust to perturbations in parameters. Full analytic derivations are given and tested with computational examples showing that indeed the procedure is successful. The final solution, implemented by a robust learning machine, expresses a balance between Shannon differential entropy and Fisher information. This is also surprising in being an analytical relation, given the purely numerical operations of the learning machine.
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11

Wang, Fei. "Information theoretic measures and their applications to image registration and segmentation." [Gainesville, Fla.] : University of Florida, 2006. http://purl.fcla.edu/fcla/etd/UFE0015631.

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12

Zhang, Jie. "New information theoretic distance measures and algorithms for multimodality image registration." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0011552.

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13

Deza, Juan Ignacio. "Climate networks constructed by using information-theoretic measures and ordinal time-series analysis." Doctoral thesis, Universitat Politècnica de Catalunya, 2015. http://hdl.handle.net/10803/286281.

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This Thesis is devoted to the construction of global climate networks (CNs) built from time series -surface air temperature anomalies (SAT)- using nonlinear analysis. Several information theory measures have been used including mutual information (MI) and conditional mutual information (CMI). The ultimate goal of the study is to improve the present understanding of climatic variability by means of networks, focusing on the different spatial and time-scales of climate phenomena. An introduction to the main components of this interdisciplinary work are offered in the first three chapters. Clim
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14

Kenneway, Debra A. "An Investigation of the Two-Dimensional Ising Spin Glass Using Information Theoretic Measures." Fogler Library, University of Maine, 2005. http://www.library.umaine.edu/theses/pdf/KennewayDA2005.pdf.

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15

Yusuf, Isse Jamila, and Ghouch Chaimae El. "Information Theoretic Similarity Measures for Robust Image Matching : Multimodal Imaging - Infrared and Visible light." Thesis, KTH, Teoretisk datalogi, TCS, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-186450.

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Abstract This study aimed to investigate the applicability of three different information theoretic similarity measures in image matching, mutual information (MI), cross-cumulative residual entropy (CCRE) and sum of conditional variances (SCV). An experiment was conducted to assess the impact on the performances of the similarity measures when dealing with multimodality, in this case in the context of infrared and visible light. This was achieved by running simulations of four different scenarios using images taken in infrared and visible light, and additionally with variations in amount of de
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16

Liginlal, Divakaran. "Building fuzzy front-end decision support systems for new product information in global telecommunication markets: A measure theoretical approach." Diss., The University of Arizona, 1999. http://hdl.handle.net/10150/284835.

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In today's highly competitive business environment, innovation and new product introduction are recognized as the sustaining forces of corporate success. The early phases of new product development, collectively known as the 'front-end', are crucial to the success of new products. Building a fuzzy front-end decision support system, balancing the needs for analytical soundness and model robustness while incorporating decision-maker's subjectivity and adaptability to different business situations, is a challenging task. A process model and a structural model focusing on the different forms of un
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17

Bloch, Matthieu. "Physical-layer security." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24658.

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Thesis (Ph.D.)--Electrical and Computer Engineering, Georgia Institute of Technology, 2008.<br>Committee Chair: McLaughlin, Steven; Committee Member: Barros, Joao; Committee Member: Bellissard, Jean; Committee Member: Fekri, Faramarz; Committee Member: Lanterman, Aaron
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18

Schäwel, Johanna [Verfasser], and Nicole [Akademischer Betreuer] Krämer. "How to Raise Users’ Awareness of Online Privacy : An Empirical and Theoretical Approach for Examining the Impact of Persuasive Privacy Support Measures on Users’ Self-Disclosure on Online Social Networking Sites / Johanna Schäwel ; Betreuer: Nicole Krämer." Duisburg, 2019. http://d-nb.info/1199265012/34.

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19

Harrison, Willie K. "Physical-layer security: practical aspects of channel coding and cryptography." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/44818.

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In this work, a multilayer security solution for digital communication systems is provided by considering the joint effects of physical-layer security channel codes with application-layer cryptography. We address two problems: first, the cryptanalysis of error-prone ciphertext; second, the design of a practical physical-layer security coding scheme. To our knowledge, the cryptographic attack model of the noisy-ciphertext attack is a novel concept. The more traditional assumption that the attacker has the ciphertext is generally assumed when performing cryptanalysis. However, with the ever-incr
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20

Hamrouni-Chtourou, Sameh. "Approches variationnelles statistiques spatio-temporelles pour l'analyse quantitative de la perfusion myocardique en IRM." Phd thesis, Institut National des Télécommunications, 2012. http://tel.archives-ouvertes.fr/tel-00814577.

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L'analyse quantitative de la perfusion myocardique, i.e. l'estimation d'indices de perfusion segmentaires puis leur confrontation à des valeurs normatives, constitue un enjeu majeur pour le dépistage, le traitement et le suivi des cardiomyopathies ischémiques --parmi les premières causes de mortalité dans les pays occidentaux. Dans la dernière décennie, l'imagerie par résonance magnétique de perfusion (IRM-p) est la modalité privilégiée pour l'exploration dynamique non-invasive de la perfusion cardiaque. L'IRM-p consiste à acquérir des séries temporelles d'images cardiaques en incidence petit-
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21

Hamrouni-Chtourou, Sameh. "Approches variationnelles statistiques spatio-temporelles pour l'analyse quantitative de la perfusion myocardique en IRM." Electronic Thesis or Diss., Evry, Institut national des télécommunications, 2012. http://www.theses.fr/2012TELE0024.

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L'analyse quantitative de la perfusion myocardique, i.e. l'estimation d'indices de perfusion segmentaires puis leur confrontation à des valeurs normatives, constitue un enjeu majeur pour le dépistage, le traitement et le suivi des cardiomyopathies ischémiques --parmi les premières causes de mortalité dans les pays occidentaux. Dans la dernière décennie, l'imagerie par résonance magnétique de perfusion (IRM-p) est la modalité privilégiée pour l'exploration dynamique non-invasive de la perfusion cardiaque. L'IRM-p consiste à acquérir des séries temporelles d'images cardiaques en incidence petit-
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22

KANDPAL, MANU. "PREDICTION OF CRITICAL RESIDUES IN PFEMP1 USING INFORMATION THEORETIC MEASURES." Thesis, 2016. http://dspace.dtu.ac.in:8080/jspui/handle/repository/15332.

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PfEMP1(Plasmodium falciparum erythrocyte membrane protein) is an important target for protective immunity and is implicated in the pathology of malaria through its ability to adhere to host endothelial receptors. PfEMP1 has specific domains which are important in its cytoadherence function. PfEMP1 binds to CD36, an 88 kDa glycoprotein found in several cell types including platelets, monocytes, dendritic cells, and micro vascular endothelial cells. This cytoadherence of PFEMP1 to CD36 receptor is due to a specific domain called CIDR1α domain. We hypothesize that the cytoadherence function
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23

Ganesh, Natesh. "Physical Information Theoretic Bounds on Energy Costs for Error Correction." 2011. https://scholarworks.umass.edu/theses/677.

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With diminishing returns in performance with scaling of traditional transistor devices, there is a growing need to understand and improve potential replacements technologies. Sufficient reliability has not been established in these devices and additional redundancy through use of fault tolerance and error correction codes are necessary. There is a price to pay in terms of energy and area, with this additional redundancy. It is of utmost importance to determine this energy cost and relate it to the increased reliability offered by the use of error correction codes. In this thesis, we have deter
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24

Roos, Anneliese. "The law of data (privacy) protection: a comparative and theoretical study." Thesis, 2003. http://hdl.handle.net/10500/1463.

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In present-day society more and more personal information is being collected. The nature of the collection has also changed: more sensitive and potentially prejudicial information is collected. The advent of computers and the development of new telecommunications technology, linking computers in networks (principally the Internet) and enabling the transfer of information between computer systems, have made information increasingly important, and boosted the collection and use of personal information. The risks inherent in the processing of personal information are that the data may be inaccura
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