{"id":"https://openalex.org/W2988525645","doi":"https://doi.org/10.1109/igarss.2019.8898514","title":"Azimuth Ambiguity Detection and Suppression in SAR Images","display_name":"Azimuth Ambiguity Detection and Suppression in SAR Images","publication_year":2019,"publication_date":"2019-07-01","ids":{"openalex":"https://openalex.org/W2988525645","doi":"https://doi.org/10.1109/igarss.2019.8898514","mag":"2988525645"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2019.8898514","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2019.8898514","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"article","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/A5110413675","display_name":"Noboru Oishi","orcid":null},"institutions":[{"id":"https://openalex.org/I4210133125","display_name":"Mitsubishi Electric (Japan)","ror":"https://ror.org/033y26782","country_code":"JP","type":"company","lineage":["https://openalex.org/I1306287861","https://openalex.org/I4210133125"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Noboru Oishi","raw_affiliation_strings":["Mitsubishi Electric Corporation, Information Technology R&D Center"],"affiliations":[{"raw_affiliation_string":"Mitsubishi Electric Corporation, Information Technology R&D Center","institution_ids":["https://openalex.org/I4210133125"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074192078","display_name":"Kei Suwa","orcid":"https://orcid.org/0000-0003-1422-1202"},"institutions":[{"id":"https://openalex.org/I4210133125","display_name":"Mitsubishi Electric (Japan)","ror":"https://ror.org/033y26782","country_code":"JP","type":"company","lineage":["https://openalex.org/I1306287861","https://openalex.org/I4210133125"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kei Suwa","raw_affiliation_strings":["Mitsubishi Electric Corporation, Information Technology R&D Center"],"affiliations":[{"raw_affiliation_string":"Mitsubishi Electric Corporation, Information Technology R&D Center","institution_ids":["https://openalex.org/I4210133125"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5110413675"],"corresponding_institution_ids":["https://openalex.org/I4210133125"],"apc_list":null,"apc_paid":null,"fwci":0.3037,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.6150246,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"676","last_page":"679"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11105","display_name":"Advanced Image Processing Techniques","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11105","display_name":"Advanced Image Processing Techniques","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13114","display_name":"Image Processing Techniques and Applications","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.9210500121116638},{"id":"https://openalex.org/keywords/ambiguity","display_name":"Ambiguity","score":0.7775020599365234},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6942156553268433},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6901226043701172},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6584059000015259},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.6004265546798706},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.5993930697441101},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.5148043036460876},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.4707667827606201},{"id":"https://openalex.org/keywords/image-formation","display_name":"Image formation","score":0.45191532373428345},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.33885908126831055},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.1846941113471985},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09193220734596252},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.08804649114608765}],"concepts":[{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.9210500121116638},{"id":"https://openalex.org/C2780522230","wikidata":"https://www.wikidata.org/wiki/Q1140419","display_name":"Ambiguity","level":2,"score":0.7775020599365234},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6942156553268433},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6901226043701172},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6584059000015259},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.6004265546798706},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.5993930697441101},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.5148043036460876},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4707667827606201},{"id":"https://openalex.org/C125045340","wikidata":"https://www.wikidata.org/wiki/Q6002224","display_name":"Image formation","level":3,"score":0.45191532373428345},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.33885908126831055},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.1846941113471985},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09193220734596252},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.08804649114608765},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2019.8898514","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2019.8898514","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W2126184250","https://openalex.org/W2803353671","https://openalex.org/W6752040116"],"related_works":["https://openalex.org/W2068843146","https://openalex.org/W2462749609","https://openalex.org/W1584167542","https://openalex.org/W2610709638","https://openalex.org/W2136005975","https://openalex.org/W2558435030","https://openalex.org/W2007041651","https://openalex.org/W2136445021","https://openalex.org/W2006721187","https://openalex.org/W1670184727"],"abstract_inverted_index":{"We":[0],"propose":[1],"a":[2,13,17],"novel":[3],"SAR":[4,18,29,35,47,91],"azimuth":[5,41,58],"ambiguity":[6,42,59],"suppression":[7],"method.":[8],"The":[9],"proposed":[10,50,111],"method":[11,112],"is":[12,43,93],"post":[14],"process":[15,32],"for":[16],"image;":[19],"namely,":[20],"it":[21],"does":[22],"not":[23],"require":[24],"any":[25],"modification":[26],"to":[27,55,98,121],"the":[28,34,40,46,49,53,57,66,70,73,76,80,84,89,99,110,115,122],"image":[30,54,86,92],"formation":[31],"nor":[33],"system":[36],"design.":[37],"Noting":[38],"that":[39,109],"blurred":[44],"in":[45,75,83],"image,":[48],"algorithm":[51],"refocuses":[52],"focus":[56],"and":[60,64,68],"then":[61],"automatically":[62],"detects":[63],"identifies":[65],"locations,":[67],"also":[69],"orders,":[71],"of":[72],"ambiguities":[74,82,116],"refocused":[77,85],"image.":[78,101],"After":[79],"detected":[81],"are":[87],"eliminated,":[88],"final":[90],"obtained":[94],"by":[95],"refocusing":[96],"back":[97],"true":[100,105,123],"Experimental":[102],"results":[103],"using":[104],"satellite":[106],"images":[107],"show":[108],"successfully":[113],"suppresses":[114],"without":[117],"causing":[118],"severe":[119],"degradations":[120],"images.":[124]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}