{"id":"https://openalex.org/W2048612719","doi":"https://doi.org/10.1109/igarss.2007.4422758","title":"Multidimensional speckle noise reduction in synthetic aperture radar images","display_name":"Multidimensional speckle noise reduction in synthetic aperture radar images","publication_year":2007,"publication_date":"2007-01-01","ids":{"openalex":"https://openalex.org/W2048612719","doi":"https://doi.org/10.1109/igarss.2007.4422758","mag":"2048612719"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2007.4422758","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2007.4422758","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5103228763","display_name":"Carlos L\u00f3pez-Mart\u00ednez","orcid":"https://orcid.org/0000-0002-1366-9446"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Carlos Lopez-Martinez","raw_affiliation_strings":["Signal Theory and Communications Department, Remote Sensing Laboratory, Universitat Polilt\u00e8cnica de Catalunya, Barcelona, Spain","Univ. Polytech. de Catalunya (UPC), Barcelona"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Signal Theory and Communications Department, Remote Sensing Laboratory, Universitat Polilt\u00e8cnica de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Univ. Polytech. de Catalunya (UPC), Barcelona","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5038503542","display_name":"X. F\u00e0bregas","orcid":"https://orcid.org/0000-0002-7654-9695"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Xavier Fabregas","raw_affiliation_strings":["Signal Theory and Communications Department, Remote Sensing Laboratory, Universitat Polilt\u00e8cnica de Catalunya, Barcelona, Spain","Univ. Polytech. de Catalunya (UPC), Barcelona"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Signal Theory and Communications Department, Remote Sensing Laboratory, Universitat Polilt\u00e8cnica de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Univ. Polytech. de Catalunya (UPC), Barcelona","institution_ids":["https://openalex.org/I9617848"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I9617848"],"apc_list":null,"apc_paid":null,"fwci":1.1642,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.78825111,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"176","last_page":"179"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9965000152587891,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11061","display_name":"Ocean Waves and Remote Sensing","score":0.9817000031471252,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/speckle-noise","display_name":"Speckle noise","score":0.8348630666732788},{"id":"https://openalex.org/keywords/speckle-pattern","display_name":"Speckle pattern","score":0.8064147233963013},{"id":"https://openalex.org/keywords/multiplicative-noise","display_name":"Multiplicative noise","score":0.6838154792785645},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6836507320404053},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.6058996915817261},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5896385908126831},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5806653499603271},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.5040980577468872},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.45965877175331116},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4522921144962311},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.43390488624572754},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3819923996925354},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3514842987060547},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.23789063096046448},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.1254265308380127},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08493503928184509}],"concepts":[{"id":"https://openalex.org/C180940675","wikidata":"https://www.wikidata.org/wiki/Q7575045","display_name":"Speckle noise","level":3,"score":0.8348630666732788},{"id":"https://openalex.org/C102290492","wikidata":"https://www.wikidata.org/wiki/Q7575045","display_name":"Speckle pattern","level":2,"score":0.8064147233963013},{"id":"https://openalex.org/C18015164","wikidata":"https://www.wikidata.org/wiki/Q6935000","display_name":"Multiplicative noise","level":5,"score":0.6838154792785645},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6836507320404053},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.6058996915817261},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5896385908126831},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5806653499603271},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.5040980577468872},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.45965877175331116},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4522921144962311},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.43390488624572754},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3819923996925354},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3514842987060547},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.23789063096046448},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.1254265308380127},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08493503928184509},{"id":"https://openalex.org/C13412647","wikidata":"https://www.wikidata.org/wiki/Q174948","display_name":"Analog signal","level":3,"score":0.0},{"id":"https://openalex.org/C131021393","wikidata":"https://www.wikidata.org/wiki/Q7512759","display_name":"Signal transfer function","level":4,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2007.4422758","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2007.4422758","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.4399999976158142,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1888757909","https://openalex.org/W1987954504","https://openalex.org/W2123565054","https://openalex.org/W2130762895","https://openalex.org/W2142587760","https://openalex.org/W2143716001","https://openalex.org/W2161357997"],"related_works":["https://openalex.org/W2065648684","https://openalex.org/W2009383287","https://openalex.org/W2042914788","https://openalex.org/W2182190754","https://openalex.org/W4321264664","https://openalex.org/W2055824452","https://openalex.org/W2727313114","https://openalex.org/W2016481886","https://openalex.org/W2121688719","https://openalex.org/W2162457349"],"abstract_inverted_index":{"A":[0],"new":[1],"approach":[2,21],"to":[3,35,63],"filter":[4,49,64],"speckle":[5,15,65],"noise":[6,16],"in":[7],"multidimensional":[8],"SAR":[9],"data,":[10,47],"based":[11,23],"on":[12,24],"the":[13,26,29,36,48,61],"multiplicative-additive":[14],"model,":[17],"is":[18,22,42],"presented.":[19],"This":[20],"processing":[25],"elements":[27],"of":[28,55,60],"sample":[30],"covariance":[31],"matrix":[32],"differently,":[33],"according":[34],"complex":[37],"correlation":[38],"coefficient.":[39],"As":[40],"it":[41],"demonstrated":[43],"with":[44],"experimental":[45],"PolSAR":[46],"does":[50],"not":[51],"produce":[52],"a":[53],"loss":[54],"information,":[56],"but":[57],"an":[58],"improvement":[59],"capabilities":[62],"noise.":[66]},"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
