Relevant bibliographies by topics / SPATIAL TEMPORAL DESCRIPTOR

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Academic literature on the topic 'SPATIAL TEMPORAL DESCRIPTOR'

Author: Grafiati
Published: 11 September 2023

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Dissertations / Theses on the topic "SPATIAL TEMPORAL DESCRIPTOR"

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Megrhi, Sameh. "Spatio-temporal descriptors for human action recognition." Thesis, Paris 13, 2014. http://www.theses.fr/2014PA131046/document.

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L'analyse et l’interprétation de contenus visuels et plus particulièrement la vidéo est un domaine de recherche de plus en plus attractif en raison du nombre important d'applications telles que la vidéo-surveillance, le résumé de films, l'indexation, les jeux vidéo, la robotique et la domotique. Dans cette thèse nous nous intéressons à la détection et à la reconnaissance d'actions humaines dans des séquences vidéo. Pour la partie détection des actions, nous avons introduit deux approches basées sur les points d'intérêts locaux. La première proposition est une méthode simple et efficace qui vis
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Mercieca, Julian. "Estimation of temporal and spatio-temporal nonlinear descriptor systems." Thesis, University of Sheffield, 2018. http://etheses.whiterose.ac.uk/19416/.

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As advances in the remote sensing of fluid flows forge ahead at an impressive rate, we face an increasingly compelling question of how best to exploit this progress. Light detection and ranging (LIDAR) measurement equipment still presents the problems of having only radial (line-of-sight) wind speed measurements (Cyclops' dilemma). Substantial expanses of unmeasured flow still remain and range weighting errors have a considerable influence on LIDAR measurements. Clearly, more information needs to be extracted from LIDAR data and an estimation problem naturally arises. A key challenge is that m
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Lättman, Håkan. "Description of spatial and temporal distributions of epiphytic lichens." Licentiate thesis, Linköping University, Linköping University, Department of Physics, Chemistry and Biology, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-11561.

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<p>Lichens are, in most cases, sensitive to anthropogenic factors such as air pollution, global warming, forestry and fragmentation. Two studies are included in this thesis. The first is an evaluation of the importance of old oak for the rare epiphytic lichen Cliostomum corrugatum (Ach.) Fr. This study analysed whether C. corrugatum was limited by dispersal or restricted to tree stands with an unbroken continuity or the substrate old oaks. The results provide evidence that the investigated five populations in Östergötland, Sweden, of C. corrugatum exhibit substantial gene flow, an effective di
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Lättman, Håkan. "Description of spatial and temporal distributions of epiphytic lichens /." Linköping : [Department of Physics, Chemistry and Biology], Linköping University, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-11561.

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5

Brighi, Marco. "Human Activity Recognition: A Comparative Evaluation of Spatio-Temporal Descriptors." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/19436/.

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The study presented in this thesis aims to implement and evaluate three different features for the recognition of human activities (HAR). A feature is a piece of information appropriately extracted from raw data that is relevant for solving a particular task. With HAR is meant that discipline able to automatically recognize the activity carried out by an agent through the collection of data. These systems can be realized by exploiting data of different kinds and coming from different sources. Within this study, it was decided to use visual data from properly recorded videos. Each feature is a
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Whiten, Christopher J. "Probabilistic Shape Parsing and Action Recognition Through Binary Spatio-Temporal Feature Description." Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/24006.

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In this thesis, contributions are presented in the areas of shape parsing for view-based object recognition and spatio-temporal feature description for action recognition. A probabilistic model for parsing shapes into several distinguishable parts for accurate shape recognition is presented. This approach is based on robust geometric features that permit high recognition accuracy. As the second contribution in this thesis, a binary spatio-temporal feature descriptor is presented. Recent work shows that binary spatial feature descriptors are effective for increasing the efficiency of obj
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Mowbray, Stuart David. "Modelling and extracting periodically deforming objects by continuous, spatio-temporal shape description." Thesis, University of Southampton, 2008. https://eprints.soton.ac.uk/266132/.

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This thesis proposes a new model for describing spatio-temporally deforming objects. Through a novel use of Fourier descriptors, it is shown how arbitrary shape description can be extended to include spatio-temporal shape deformation. It is further demonstrated that these new spatio-temporal Fourier descriptors have the ability to be used as the basis for both the recognition and extraction of deforming objects. Application of this new recognition technique to human gait sequences demonstrates recognition rates of over 86% for individual human subjects, signifying that these descriptors posses
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BOUAJJANI, MOHAMMED. "Contribution a l'etude du raisonnement spatio-temporel. Localisation d'un agent et description d'itineraires." Toulouse 3, 1999. http://www.theses.fr/1999TOU30215.

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Cette etude se situe dans le domaine de la representation des connaissances et de la formalisation du raisonnement sur l'action. Notre contribution s'interesse particulierement a la localisation d'un mobile a partir d'une description de son itineraire. Nous considerons une scene constituee d'un ensemble de lieux de reference par rapport auxquels un mobile est localise. Deux relations de localisation sont possibles etre a l'interieur ou etre a l'exterieur d'un lieu. L'itineraire du mobile est decrit a travers sa localisation a differents instants, et a travers des actions de deplacements du typ
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Gruhier, Elise. "Spatiotemporal description and modeling of mechanical product and its assembly sequence based on mereotopology : theory, model and approach." Thesis, Belfort-Montbéliard, 2015. http://www.theses.fr/2015BELF0276/document.

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L’objectif de cette thèse est de d’écrire l’évolution du produit dans les trois dimensions (spatiale, temporelle et spatio-temporelle). Dans le contexte industriel actuel, les modèles produit sont considérés uniquement du point de vue spatial pendant la phase de conception et du point de vue temporel pendant la phase d’assemblage. Le manque de lien entre le produit et le process mène à des incompréhensions de définition de produit et entraine de mauvaises interprétations en conception. Cependant, le produit ´évolue à travers le temps et subit des changements tout au long des phases de concepti
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Bouchard, Geneviève. "Architecture d'estimateur de canaux pour récepteur à traitement spatio-temporel." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24445/24445.pdf.

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