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SAR image segmentation with active contours and level sets
Automatic interpretation of synthetic aperture radar (SAR) images requires automatic segmentation of these images. Image segmentation is a fundamental problem in computer vision, particularly difficult with SAR images because of the presence of strong, multiplicative speckle noise. The purpose of th...
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creator | Ayed, I.B. Vazquez, C. Mitiche, A. Belhadj, Z. |
description | Automatic interpretation of synthetic aperture radar (SAR) images requires automatic segmentation of these images. Image segmentation is a fundamental problem in computer vision, particularly difficult with SAR images because of the presence of strong, multiplicative speckle noise. The purpose of this study is to investigate a novel algorithm for segmenting a synthetic aperture radar (SAR) image into a fixed but arbitrary number of Gamma-homogeneous regions. This unsupervised algorithm is based on active contours and consists in evolving closed simple planar curves to minimize a criterion containing a term of conformity of data to a model of SAR image intensity and a term of regularization. The curve evolution equations are implemented via level sets for numerical stability and to allow variations in the topology of the curves during their evolution. Examples are given using real SAR images. |
doi_str_mv | 10.1109/ICIP.2004.1421665 |
format | conference_proceeding |
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Image segmentation is a fundamental problem in computer vision, particularly difficult with SAR images because of the presence of strong, multiplicative speckle noise. The purpose of this study is to investigate a novel algorithm for segmenting a synthetic aperture radar (SAR) image into a fixed but arbitrary number of Gamma-homogeneous regions. This unsupervised algorithm is based on active contours and consists in evolving closed simple planar curves to minimize a criterion containing a term of conformity of data to a model of SAR image intensity and a term of regularization. The curve evolution equations are implemented via level sets for numerical stability and to allow variations in the topology of the curves during their evolution. 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ICIP '04</title><addtitle>ICIP</addtitle><description>Automatic interpretation of synthetic aperture radar (SAR) images requires automatic segmentation of these images. Image segmentation is a fundamental problem in computer vision, particularly difficult with SAR images because of the presence of strong, multiplicative speckle noise. The purpose of this study is to investigate a novel algorithm for segmenting a synthetic aperture radar (SAR) image into a fixed but arbitrary number of Gamma-homogeneous regions. This unsupervised algorithm is based on active contours and consists in evolving closed simple planar curves to minimize a criterion containing a term of conformity of data to a model of SAR image intensity and a term of regularization. The curve evolution equations are implemented via level sets for numerical stability and to allow variations in the topology of the curves during their evolution. Examples are given using real SAR images.</description><subject>Active contours</subject><subject>Applied sciences</subject><subject>Artificial intelligence</subject><subject>Computer science; control theory; systems</subject><subject>Computer vision</subject><subject>Equations</subject><subject>Exact sciences and technology</subject><subject>Histograms</subject><subject>Image segmentation</subject><subject>Level set</subject><subject>Pattern recognition. Digital image processing. Computational geometry</subject><subject>Robustness</subject><subject>Speckle</subject><subject>Synthetic aperture radar</subject><subject>Topology</subject><issn>1522-4880</issn><issn>2381-8549</issn><isbn>0780385543</isbn><isbn>9780780385542</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2004</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><recordid>eNpFkEtLw0AUhQcfYFv9AeJmNi5T773zyNRdKT4CBcW6L5PJTY2kacmMFf-9gQquzuJ8nHM4QlwjTBFhdlcsitcpAegpakJrzYkYkXKYOaNnp2IMuQPljNHqTIzQEGXaObgQ4xg_AQhQ4Ujcr-Zvstn6DcvImy13yadm18nvJn1IH1JzYBl2Xdp99VH6rpItH7gd2BQvxXnt28hXfzoRq8eH98Vztnx5KhbzZdYQmJRVQMhYespz7YYZQy2VBJ5rVdpc1aqypqwChcCBZ2h1bV2pnc0BKzRqIm6PqXsfg2_r3nehiet9P4zuf9aYWyQgN3A3R65h5n_7-Iz6BZ8cVAc</recordid><startdate>2004</startdate><enddate>2004</enddate><creator>Ayed, I.B.</creator><creator>Vazquez, C.</creator><creator>Mitiche, A.</creator><creator>Belhadj, Z.</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope><scope>IQODW</scope></search><sort><creationdate>2004</creationdate><title>SAR image segmentation with active contours and level sets</title><author>Ayed, I.B. ; Vazquez, C. ; Mitiche, A. ; Belhadj, Z.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i205t-d021e1ba277481521312b20aef3b673f3d65bdc2ccece9164f68b486701d153</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Active contours</topic><topic>Applied sciences</topic><topic>Artificial intelligence</topic><topic>Computer science; control theory; systems</topic><topic>Computer vision</topic><topic>Equations</topic><topic>Exact sciences and technology</topic><topic>Histograms</topic><topic>Image segmentation</topic><topic>Level set</topic><topic>Pattern recognition. Digital image processing. Computational geometry</topic><topic>Robustness</topic><topic>Speckle</topic><topic>Synthetic aperture radar</topic><topic>Topology</topic><toplevel>online_resources</toplevel><creatorcontrib>Ayed, I.B.</creatorcontrib><creatorcontrib>Vazquez, C.</creatorcontrib><creatorcontrib>Mitiche, A.</creatorcontrib><creatorcontrib>Belhadj, Z.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library Online</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection><collection>Pascal-Francis</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Ayed, I.B.</au><au>Vazquez, C.</au><au>Mitiche, A.</au><au>Belhadj, Z.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>SAR image segmentation with active contours and level sets</atitle><btitle>2004 International Conference on Image Processing, 2004. ICIP '04</btitle><stitle>ICIP</stitle><date>2004</date><risdate>2004</risdate><volume>4</volume><spage>2717</spage><epage>2720 Vol. 4</epage><pages>2717-2720 Vol. 4</pages><issn>1522-4880</issn><eissn>2381-8549</eissn><isbn>0780385543</isbn><isbn>9780780385542</isbn><abstract>Automatic interpretation of synthetic aperture radar (SAR) images requires automatic segmentation of these images. Image segmentation is a fundamental problem in computer vision, particularly difficult with SAR images because of the presence of strong, multiplicative speckle noise. The purpose of this study is to investigate a novel algorithm for segmenting a synthetic aperture radar (SAR) image into a fixed but arbitrary number of Gamma-homogeneous regions. This unsupervised algorithm is based on active contours and consists in evolving closed simple planar curves to minimize a criterion containing a term of conformity of data to a model of SAR image intensity and a term of regularization. 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source | IEEE Electronic Library (IEL) Conference Proceedings |
subjects | Active contours Applied sciences Artificial intelligence Computer science control theory systems Computer vision Equations Exact sciences and technology Histograms Image segmentation Level set Pattern recognition. Digital image processing. Computational geometry Robustness Speckle Synthetic aperture radar Topology |
title | SAR image segmentation with active contours and level sets |
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