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		<citationkey>FernandesMotaAlBeMaPrGo:2012:TeBaOp</citationkey>
		<title>A tensor based on optical flow for global description of motion in videos</title>
		<format>DVD, On-line.</format>
		<year>2012</year>
		<numberoffiles>1</numberoffiles>
		<size>273 KiB</size>
		<author>Fernandes Mota, Virginia,</author>
		<author>Almeida Perez, Ede,</author>
		<author>Bernardes Vieira, Marcelo,</author>
		<author>Maciel, Luiz Maurilio,</author>
		<author>Precioso, Frederic,</author>
		<author>Gosselin, Philippe-Henri,</author>
		<affiliation>Universidade Federal de Juiz de Fora</affiliation>
		<affiliation>Universidade Federal de Juiz de Fora</affiliation>
		<affiliation>Universidade Federal de Juiz de Fora</affiliation>
		<affiliation>Universidade Federal de Juiz de Fora</affiliation>
		<affiliation>Nice Sophia Antipolis University</affiliation>
		<affiliation>ENSEA</affiliation>
		<editor>Freitas, Carla Maria Dal Sasso,</editor>
		<editor>Sarkar, Sudeep,</editor>
		<editor>Scopigno, Roberto,</editor>
		<editor>Silva, Luciano,</editor>
		<e-mailaddress>virginiafernandesmota@gmail.com</e-mailaddress>
		<conferencename>Conference on Graphics, Patterns and Images, 25 (SIBGRAPI)</conferencename>
		<conferencelocation>Ouro Preto</conferencelocation>
		<date>Aug. 22-25, 2012</date>
		<booktitle>Proceedings</booktitle>
		<publisher>IEEE Computer Society</publisher>
		<publisheraddress>Los Alamitos</publisheraddress>
		<tertiarytype>Full Paper</tertiarytype>
		<transferableflag>1</transferableflag>
		<contenttype>External Contribution</contenttype>
		<keywords>Global descriptor, Orientation tensor, SVM, Optical Flow, Motion modeling.</keywords>
		<abstract>Motion is one of the main characteristics that describe the semantic information of videos. In this work, a global video descriptor based on orientation tensors is proposed. This descriptor is obtained by combining polynomial coefficients calculated for each image in a video. The coefficients are found through the projection of the optical flow on Legendre polynomials, reducing the dimension of per frame motion estimations. The sequence of coefficients are then combined using orientation tensors. The global tensor descriptor created is evaluated by a classification of the KTH video database with a SVM classifier.</abstract>
		<language>en</language>
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		<usergroup>virginiafernandesmota@gmail.com</usergroup>
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		<url>http://sibgrapi.sid.inpe.br/rep-/sid.inpe.br/sibgrapi/2012/07.15.21.45</url>
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