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Dissertations / Theses on the topic 'Descriptor moment'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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1

Cheng, Huaining. "Orthogonal Moment-Based Human Shape Query and Action Recognition from 3D Point Cloud Patches." Wright State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=wright1452160221.

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2

Poleto, Arthur Suzini. "Desenvolvimento de um sistema de visão de máquina para inspeção de conformidade em um produto industrial /." Ilha Solteira, 2019. http://hdl.handle.net/11449/191137.

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Orientador: João Antonio Pereira<br>Resumo: Visão de máquina é um campo multidisciplinar que vem crescendo na indústria, que está cada vez mais preocupada em reduzir custos, automatizar processos, e atender requisitos de qualidade do produto para atender seus clientes. Processos de montagem realizados de forma manual com inspeção e controle visual são tipicamente processos susceptíveis a erros, à utilização de peças não conformes na montagem do produto final. Este trabalho apresenta uma proposta de desenvolvimento de um sistema de visão de máquina com base no processamento e análise de imagens

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3

Ng, Bernard. "Novel region based fMRI analysis using invariant moment descriptors." Thesis, University of British Columbia, 2007. http://hdl.handle.net/2429/31787.

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A new functional magnetic resonance imaging (fMRI) analysis approach based on invariant spatial descriptors was developed for quantitative characterization of brain activation patterns within a region of interest (ROI). In particular, the feasibility of using three dimensional moment invariants (3DMIs) to perform such spatial characterization was examined. The use of spatial descriptors is particularly novel in the field of ROI-based fMRI analysis, since up till now, only magnitude-based features were traditionally employed, which neglect the information encoded by voxel locations within an RO

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4

Shutler, Jamie D. "Velocity moments for holistic shape description of temporal features." Thesis, University of Southampton, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.268462.

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5

Al-Fahemi, Jabir Hamad. "Momentum-space descriptors for QSPR and QSAR studies." Thesis, University of Liverpool, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.439465.

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6

Sabat, Macole. "Modèles euleriens et méthodes numériques pour la description des sprays polydisperses turbulents." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLC086.

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De nos jours, la simulation des écoulements diphasiques a de plus en plus d’importance dans les chambres de combustion aéronautiques en tant qu’un des éléments requis pour analyser et maîtriser le processus complet de combustion, afin d’améliorer la performance du moteur et de mieux prédire les émissions polluantes. Dans les applications industrielles, la modélisation du combustible liquide trouvé en aval de l’injecteur sous forme de brouillard de gouttes polydisperse, appelé spray, est de préférence faite à l’aide de méthodes Eulériennes. Ce choix s’explique par les avantages qu’offrent ces m

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7

Davila-Smith, Luciana C. "Permanent dipole moments and damping in nonlinear optics : a quantum electrodynamic description." Thesis, University of East Anglia, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323293.

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8

Yanni, Mamdouh. "The influence of thresholding and spatial resolution variations on the performance of the complex moments descriptor feature extractor." Thesis, University of Kent, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262371.

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9

Guillaume, Fabienne de Letter. "De l’immobilité à la remise en mouvement: description et analyse d’un moment de changement - la part active du sujet Sensible." Master's thesis, [s.n.], 2012. http://hdl.handle.net/10284/3401.

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Dissertação de Mestrado apresentada à Universidade Fernando Pessoa como parte dos requisitos para obtenção do grau de Mestre em Psicopedagogia Perceptiva<br>Cette recherche vise à mettre en lumière des phénomènes et processus à l’oeuvre au moment crucial où un sujet, engagé dans une démarche de changement et momentanément figé dans une situation globale d’immobilité psychocorporelle, se remet en mouvement. Plus précisément, ce travail se propose de cerner et caractériser la part active du sujet dans un tel moment, lorsque ce sujet mène son processus de transformation sur le mode du Sensible. U

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10

Liu, Jiangping. "Prediction of Fluid Dielectric Constants." BYU ScholarsArchive, 2011. https://scholarsarchive.byu.edu/etd/2787.

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The dielectric constant or relative static permittivity of a material represents the capacitance of the material relative to a vacuum and is important in many industrial applications. Nevertheless, accurate experimental values are often unavailable and current prediction methods lack accuracy and are often unreliable. A new QSPR (quantitative structure-property relation) correlation of dielectric constant for pure organic chemicals is developed and tested. The average absolute percent error is expected to be less than 3% when applied to hydrocarbons and non-polar compounds and less than 18% wh

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11

Kolluri, Murali Mohan. "Developing a validation metric using image classification techniques." University of Cincinnati / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1406819893.

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12

Tranchida, Julien. "Multiscale description of dynamical processes in magnetic media : from atomistic models to mesoscopic stochastic processes." Thesis, Tours, 2016. http://www.theses.fr/2016TOUR4027/document.

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Les propriétés magnétiques détaillées des solides peuvent être vu comme le résultat de l'interaction de plusieurs sous-systèmes: celui des spins effectifs, portant l'aimantation, celui des électrons et celui du réseau crystallin. Différents processus permettent à ces sous-systèmes d'échanger de l'énergie. Parmis ceux-ci, les phénomènes de relaxation jouent un rôle prépondérants. Cependant, la complexité de ces processus en rend leur modélisation ardue. Afin de prendre en compte ces interactions de façon abordable aux calculs, l'approche de Langevin est depuis longtemps appliquée à la dynamique

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13

Chauca, Genaro Pablo Zamudio. "Variedades de Poisson e suas aplicações na descrição semiclássica de spin." Universidade Federal de Juiz de Fora (UFJF), 2012. https://repositorio.ufjf.br/jspui/handle/ufjf/4714.

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14

Sina, Md Ibne. "Satellite Image Processing with Biologically-inspired Computational Methods and Visual Attention." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23122.

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The human vision system is generally recognized as being superior to all known artificial vision systems. Visual attention, among many processes that are related to human vision, is responsible for identifying relevant regions in a scene for further processing. In most cases, analyzing an entire scene is unnecessary and inevitably time consuming. Hence considering visual attention might be advantageous. A subfield of computer vision where this particular functionality is computationally emulated has been shown to retain high potential in solving real world vision problems effectively. In this

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15

Dvořák, Pavel. "Popis objektů v obraze." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-218957.

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This thesis consider description of segments identified in image. At first there are described main methods of segmentation because it is a process contiguous before describing of objects. Next chapter is devoted to methods which focus on description identified regions. There are studied algorithms used for characterizing of different features. There are parts devoted to color, location, size, orientation, shape and topology. The end of this chapter is devoted to moments. Next chapters are focused on designing fit algorithms for segments description and XML files creating according to MPEG-7 s

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16

Lee, Po-Yi, and 李柏毅. "Face Gender Classification Based on Moment Descriptors." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/59140949802921711788.

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碩士<br>國立暨南國際大學<br>電機工程學系<br>98<br>Gender classification could be used to improve the performance of biometric systems such as face recognition. It is not only used for identification, but also for multimedia. In the field of multimedia applications, gender classification system could display different commercial advertisements for different genders. It could also be applied on robot vision, image searching, and so on in our daily lives. Typically, recognition technology could be roughly divided into three modules, which are the pre-processing module, feature extraction and classification m

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17

Sun, Shu-Kuo, and 孫樹國. "Image Representation, Matching, and Recognition Using Invariant Zernike Moment Descriptors." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/63771978340166766771.

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博士<br>國立交通大學<br>資訊科學與工程研究所<br>97<br>In 3D computer vision a scene in the real world is represented by multiple views imaged under different viewpoints and illumination conditions. The spatial and temporal relationships across these views are important to scene analysis and understanding. To derive these relationships the global and local features of the objects (foreground and background) in the scene are the clues. The local features related to the local object surface patches or regions are more robust to viewpoint change than the global features. In addition, the invariance under the photom

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18

Wang, Jianping. "Fluid/kinetic hybrid moment description of plasmas via a Chapman-Enskog-like approach." 1991. http://catalog.hathitrust.org/api/volumes/oclc/24471696.html.

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19

HSU, MIAO-CHUAN HO, and 何許淼銓. "Creation description of "The last moment" and Investigation of characters in computer animation." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/70634880920268644408.

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碩士<br>國立臺南藝術大學<br>音像動畫研究所<br>95<br>The first part of this thesis is the process about my animation “The last moment” from how and where I began to how I did and finished. This animation is about two people, how they feel and react when they were told that they were going to die in just a few hours. Their reactions combine two very different feeling, the hope and the despair. I was reminded again and again in my experience. The second part is the investigation of characters in computer animation. Although the improvement of the computer hardware and software do help the creation of graphical co

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20

Hughes, Zak E., E. Ren, J. C. R. Thacker, B. C. B. Symons, A. F. Silva, and P. L. A. Popelier. "A FFLUX water model: flexible, polarizable and with a multipolar description of electrostatics." 2019. http://hdl.handle.net/10454/17932.

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Yes<br>Key to progress in molecular simulation is the development of advanced models that go beyond the limitations of traditional force fields that employ a fixed, point charge‐based description of electrostatics. Taking water as an example system, the FFLUX framework is shown capable of producing models that are flexible, polarizable and have a multipolar description of the electrostatics. The kriging machine‐learning methods used in FFLUX are able to reproduce the intramolecular potential energy surface and multipole moments of a single water molecule with chemical accuracy using as few as

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21

Alqasrawi, Yousef T. N., Daniel Neagu, and Peter I. Cowling. "Fusing integrated visual vocabularies-based bag of visual words and weighted colour moments on spatial pyramid layout for natural scene image classification." 2013. http://hdl.handle.net/10454/9604.

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No<br>The bag of visual words (BOW) model is an efficient image representation technique for image categorization and annotation tasks. Building good visual vocabularies, from automatically extracted image feature vectors, produces discriminative visual words, which can improve the accuracy of image categorization tasks. Most approaches that use the BOW model in categorizing images ignore useful information that can be obtained from image classes to build visual vocabularies. Moreover, most BOW models use intensity features extracted from local regions and disregard colour information, which i

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22

Taheri, Bonab Peyman. "Macroscopic description of rarefied gas flows in the transition regime." Thesis, 2010. http://hdl.handle.net/1828/3018.

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The fast-paced growth in microelectromechanical systems (MEMS), microfluidic fabrication, porous media applications, biomedical assemblies, space propulsion, and vacuum technology demands accurate and practical transport equations for rarefied gas flows. It is well-known that in rarefied situations, due to strong deviations from the continuum regime, traditional fluid models such as Navier-Stokes-Fourier (NSF) fail. The shortcoming of continuum models is rooted in nonequilibrium behavior of gas particles in miniaturized and/or low-pressure devices, where the Knudsen number (Kn) is sufficiently

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