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		<doi>10.1109/SIBGRA.2004.1352943</doi>
		<citationkey>SilvaLotu:2004:DeLiUs</citationkey>
		<title>Detection of Lines Using Hierarchical Region Based Representation</title>
		<format>On-line</format>
		<year>2004</year>
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		<author>Silva, Alexandre Gonçalves,</author>
		<author>Lotufo, Roberto de Alencar Lotufo,</author>
		<affiliation>DCA - FEEC--Faculdade de Engenharia Elétrica e Computação - UNICAMP - P.O.Box 6101, 13083-970, Campinas, SP - Brazil,</affiliation>
		<affiliation>DCC - CCT--Centro de Ciências Tecnológicas - UDESC - P.O.Box 631, 89223-100, Joinville, SC - Brazil,</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>alexandre@joinville.udesc.br</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>detection of line, hierarchical representation, max-tree.</keywords>
		<abstract>This paper suggests an hierarchical region based representation to implement detection of shapes in gray-scale images. The Max-Tree structure has demonstrated to be useful for this purpose, offering a semantic objects vision of the image, therefore, reducing the number of elements to process in relation to the pixel based representation. In this way, a particular thresholding information, associated with a specific shape analysis, can be used to determine the segmentation or filtering of regions of interest with lesser computational effort. For to demonstrate this technique, a generic application of detection of lines is proposed using the distance transform approach on each connected component from the depth searching in the mentioned tree.</abstract>
		<language>en</language>
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