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		<doi>10.1109/SIBGRA.2004.1352949</doi>
		<citationkey>WassermannMejaGambBuem:2004:CoStBs</citationkey>
		<title>Segmentation with active contours: A comparative study of B-spline and level set techniques</title>
		<format>On-line</format>
		<year>2004</year>
		<numberoffiles>1</numberoffiles>
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		<author>Wassermann, Demian,</author>
		<author>Mejail, Marta,</author>
		<author>Gambini, Juliana,</author>
		<author>Buemi, Maria Elena,</author>
		<affiliation>Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina,</affiliation>
		<editor>Araújo, Arnaldo de Albuquerque,</editor>
		<editor>Comba, João Luiz Dihl,</editor>
		<editor>Navazo, Isabel,</editor>
		<editor>Sousa, Antônio Augusto de,</editor>
		<e-mailaddress>dwasser@dc.uba.ar</e-mailaddress>
		<conferencename>Brazilian Symposium on Computer Graphics and Image Processing, 17 (SIBGRAPI) - Ibero-American Symposium on Computer Graphics, 2 (SIACG)</conferencename>
		<conferencelocation>Curitiba, PR, Brazil</conferencelocation>
		<date>17-20 Oct. 2004</date>
		<publisher>IEEE Computer Society</publisher>
		<publisheraddress>Los Alamitos</publisheraddress>
		<booktitle>Proceedings</booktitle>
		<tertiarytype>Full Paper</tertiarytype>
		<transferableflag>1</transferableflag>
		<versiontype>finaldraft</versiontype>
		<keywords>active contours, montecarlo, comparative study.</keywords>
		<abstract>Active contours approach is a very used family of techniques in image analysis. This work presents a comparative study between two active contour approaches for image segmentation. Level sets method and deformable contours under B-spline representation are compared. These image segmentation methods have different features and are difficult to compare in terms of performance, accuracy and initialization conditions. Both are implemented and a way to calculate the approximation error is developed. As a conclusion of this work a theoretical comparison and a comparative characterization of the approximation error for each method are presented.</abstract>
		<language>en</language>
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