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		<secondarykey>INPE-15850-PRE/10460</secondarykey>
		<isbn>978-85-17-00044-7</isbn>
		<citationkey>CastejonForsFonsMarc:2009:AvMéCa</citationkey>
		<title>Avaliação de métodos de casamento de imagens para mosaico de imagens orbitais</title>
		<format>DVD, On-line.</format>
		<year>2009</year>
		<secondarytype>PRE CN</secondarytype>
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		<size>575 KiB</size>
		<author>Castejon, Emiliano Ferreira,</author>
		<author>Forster, Carlos Henrique Quartucci,</author>
		<author>Fonseca, Leila Maria Garcia,</author>
		<author>Marcari Junior, Etore,</author>
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		<group>DPI-OBT-INPE-MCT-BR</group>
		<group></group>
		<group>DPI-OBT-INPE-MCT-BR</group>
		<group>DPI-OBT-INPE-MCT-BR</group>
		<affiliation>Instituto Nacional de Pesquisas Espaciais - INPE</affiliation>
		<affiliation>Instituto Tecnológico da Aeronáutica - ITA</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais - INPE</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais - INPE</affiliation>
		<electronicmailaddress>castejon@dpi.inpe.br</electronicmailaddress>
		<electronicmailaddress>forster@ita.br</electronicmailaddress>
		<electronicmailaddress>leila@dpi.inpe.br</electronicmailaddress>
		<electronicmailaddress>etore@dpi.inpe.br</electronicmailaddress>
		<editor>Epiphanio, José Carlos Neves,</editor>
		<editor>Galvão, Lênio Soares,</editor>
		<e-mailaddress>erich@sid.inpe.br</e-mailaddress>
		<conferencename>Simpósio Brasileiro de Sensoriamento Remoto, 14 (SBSR)</conferencename>
		<conferencelocation>Natal</conferencelocation>
		<date>25-30 abr. 2009</date>
		<publisher>Instituto Nacional de Pesquisas Espaciais (INPE)</publisher>
		<publisheraddress>São José dos Campos</publisheraddress>
		<pages>6805-6812</pages>
		<booktitle>Anais</booktitle>
		<tertiarytype>Artigo</tertiarytype>
		<organization>Instituto Nacional de Pesquisas Espaciais (INPE)</organization>
		<transferableflag>1</transferableflag>
		<keywords>CBERS image, remote sensing, image processing, register, mosaic, sensoriamento remoto, processamento de imagens, registro, mosaico.</keywords>
		<abstract>The increasing number of satellite images has reinforced the need for automatic image mosaicking and registration methods. Several techniques for automatic image registration have been developed - Fonseca and Manjunath et al (1996); Zitová and Flusser (2003). One of the phases in the registration and mosaicking processes is the image matching that uses similarity measures to identify control points in the images. Similarity measures such as correlation, means squared difference and morphological have been used to register remote sensing images. However, these measures are more adequate to register images with similar spectral responses. Some authors have proposed the use of a metric based on mutual information to register images acquired in different time and different sensor.  In order to evaluate some similarity measures, this paper describes a comparative study and a practical evaluation of three matching metrics based on: Correlation, Mutual Information (MI) and Scale Invariant Feature Transform (SIFT). Real situations problems such as the registration of temporal, spectral and cloud coverage images are analyzed and tested. The results showed that the method based on MI got the best performance in spite of its high computational cost.</abstract>
		<area>SRE</area>
		<subject>Processamento de Imagens</subject>
		<session>Processamento de Imagens</session>
		<type>Processamento de Imagens</type>
		<language>pt</language>
		<targetfile>6805-6812.pdf</targetfile>
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		<usergroup>marciana</usergroup>
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		<readergroup>castejon@dpi.inpe.br</readergroup>
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