{"id":"https://openalex.org/W4312937049","doi":"https://doi.org/10.1109/igarss46834.2022.9884436","title":"A Modified CFAR Detector Based on Generalized Gamma Distribution Background in SAR Imagery","display_name":"A Modified CFAR Detector Based on Generalized Gamma Distribution Background in SAR Imagery","publication_year":2022,"publication_date":"2022-07-17","ids":{"openalex":"https://openalex.org/W4312937049","doi":"https://doi.org/10.1109/igarss46834.2022.9884436"},"language":"en","primary_location":{"id":"doi:10.1109/igarss46834.2022.9884436","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss46834.2022.9884436","pdf_url":null,"source":{"id":"https://openalex.org/S4363604196","display_name":"IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2022 - 2022 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/A5041827776","display_name":"Shuang Zhao","orcid":"https://orcid.org/0000-0002-9370-4183"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuang Zhao","raw_affiliation_strings":["Aerospace Information Research Institute, Chinese Academy of Sciences,Department of Space Microwave Remote Sensing System,Beijing,China,100190"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aerospace Information Research Institute, Chinese Academy of Sciences,Department of Space Microwave Remote Sensing System,Beijing,China,100190","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5041569726","display_name":"Weidong Yu","orcid":"https://orcid.org/0000-0002-7803-6084"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weidong Yu","raw_affiliation_strings":["Aerospace Information Research Institute, Chinese Academy of Sciences,Department of Space Microwave Remote Sensing System,Beijing,China,100190"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aerospace Information Research Institute, Chinese Academy of Sciences,Department of Space Microwave Remote Sensing System,Beijing,China,100190","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7344,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.76612038,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"2606","last_page":"2609"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10891","display_name":"Radar Systems and Signal Processing","score":0.9997000098228455,"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9997000098228455,"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9995999932289124,"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":0.9995999932289124,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/constant-false-alarm-rate","display_name":"Constant false alarm rate","score":0.9129908084869385},{"id":"https://openalex.org/keywords/clutter","display_name":"Clutter","score":0.8299402594566345},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6737862229347229},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.6506903171539307},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6440742611885071},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.5534847974777222},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5360268950462341},{"id":"https://openalex.org/keywords/generalized-gamma-distribution","display_name":"Generalized gamma distribution","score":0.5188985466957092},{"id":"https://openalex.org/keywords/gamma-distribution","display_name":"Gamma distribution","score":0.4873226583003998},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4819769263267517},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.42196977138519287},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.358229398727417},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.31837815046310425},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2185196578502655},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.10426774621009827},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08679965138435364}],"concepts":[{"id":"https://openalex.org/C77052588","wikidata":"https://www.wikidata.org/wiki/Q644307","display_name":"Constant false alarm rate","level":2,"score":0.9129908084869385},{"id":"https://openalex.org/C132094186","wikidata":"https://www.wikidata.org/wiki/Q641585","display_name":"Clutter","level":3,"score":0.8299402594566345},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6737862229347229},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.6506903171539307},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6440742611885071},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.5534847974777222},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5360268950462341},{"id":"https://openalex.org/C42337464","wikidata":"https://www.wikidata.org/wiki/Q5532478","display_name":"Generalized gamma distribution","level":3,"score":0.5188985466957092},{"id":"https://openalex.org/C149717495","wikidata":"https://www.wikidata.org/wiki/Q117806","display_name":"Gamma distribution","level":2,"score":0.4873226583003998},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4819769263267517},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.42196977138519287},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.358229398727417},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.31837815046310425},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2185196578502655},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.10426774621009827},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08679965138435364}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss46834.2022.9884436","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss46834.2022.9884436","pdf_url":null,"source":{"id":"https://openalex.org/S4363604196","display_name":"IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","score":0.8100000023841858,"display_name":"Life below water"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1923947552","https://openalex.org/W1968632379","https://openalex.org/W2106340939","https://openalex.org/W2140515654","https://openalex.org/W2324539079","https://openalex.org/W2770644646","https://openalex.org/W2809395972","https://openalex.org/W2942150053","https://openalex.org/W6680529297","https://openalex.org/W6746127741"],"related_works":["https://openalex.org/W2388326001","https://openalex.org/W2115015615","https://openalex.org/W2351401443","https://openalex.org/W3011102797","https://openalex.org/W4320921117","https://openalex.org/W2431104759","https://openalex.org/W1649651896","https://openalex.org/W2317958419","https://openalex.org/W2116961228","https://openalex.org/W1952514008"],"abstract_inverted_index":{"The":[0,44,79,95],"generalized":[1,28,70],"gamma":[2,29,71],"distribution":[3,30],"has":[4,46,82],"a":[5,47,68],"preferable":[6],"fitting":[7],"ability":[8],"for":[9],"sea":[10],"clutter":[11],"in":[12,61,76],"high-resolution":[13],"synthetic":[14],"aperture":[15],"radar(SAR)":[16],"images.":[17,63],"However,":[18],"the":[19,27,32,38,42,54,89,101,109,112],"constant":[20],"false":[21,49],"alarm":[22,50],"rate(CFAR)":[23],"algorithm":[24,73,81,96],"based":[25],"on":[26],"achieves":[31],"detection":[33],"of":[34,41,104,111],"ships":[35,55],"by":[36,87,99],"obtaining":[37],"global":[39],"threshold":[40],"sub-images.":[43],"result":[45],"high":[48],"rate":[51],"and":[52,85,91],"misses":[53],"that":[56],"are":[57],"within":[58],"spitting":[59],"distance":[60],"SAR":[62],"Aiming":[64],"at":[65],"these":[66],"shortcomings,":[67],"modified":[69,80],"CFAR":[72],"is":[74,97],"proposed":[75],"this":[77],"paper.":[78],"higher":[83],"accuracy":[84],"efficiency":[86],"introducing":[88],"preprocessor":[90],"adaptive":[92],"clutter-filtering":[93],"mechanism.":[94],"evaluated":[98],"using":[100],"measured":[102],"data":[103],"Gaofen-3":[105],"satellite":[106],"to":[107],"verify":[108],"effectiveness":[110],"algorithm.":[113]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
