{"id":"https://openalex.org/W2067244368","doi":"https://doi.org/10.1109/igarss.2015.7326827","title":"An interpolation-free FFBP algorithm for spotlight SAR processing","display_name":"An interpolation-free FFBP algorithm for spotlight SAR processing","publication_year":2015,"publication_date":"2015-07-01","ids":{"openalex":"https://openalex.org/W2067244368","doi":"https://doi.org/10.1109/igarss.2015.7326827","mag":"2067244368"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2015.7326827","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2015.7326827","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)","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/A5101631221","display_name":"Qi Dong","orcid":"https://orcid.org/0000-0003-1602-9046"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qi Dong","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi'an, China","National Laboratory of Radar Signal Processing, Xidian University, Xi'an China#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi'an China#TAB#","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101849326","display_name":"Peng Shao","orcid":"https://orcid.org/0009-0002-2335-1009"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peng Shao","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi'an, China","National Laboratory of Radar Signal Processing, Xidian University, Xi'an China#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi'an China#TAB#","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102033648","display_name":"Zemin Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zemin Yang","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi'an, China","National Laboratory of Radar Signal Processing, Xidian University, Xi'an China#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi'an China#TAB#","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044356445","display_name":"Yachao Li","orcid":"https://orcid.org/0000-0002-6672-367X"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yachao Li","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi'an, China","National Laboratory of Radar Signal Processing, Xidian University, Xi'an China#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi'an China#TAB#","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021408538","display_name":"Mengdao Xing","orcid":"https://orcid.org/0000-0002-4084-0915"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mengdao Xing","raw_affiliation_strings":["National Laboratory of Radar Signal Processing, Xidian University, Xi'an, China","National Laboratory of Radar Signal Processing, Xidian University, Xi'an China#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"National Laboratory of Radar Signal Processing, Xidian University, Xi'an China#TAB#","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"4498","last_page":"4501"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging 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/T11038","display_name":"Advanced SAR Imaging 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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9980999827384949,"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/T14158","display_name":"Optical Systems and Laser Technology","score":0.9941999912261963,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7852674126625061},{"id":"https://openalex.org/keywords/interpolation","display_name":"Interpolation (computer graphics)","score":0.7020183801651001},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5657861232757568},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4917924702167511},{"id":"https://openalex.org/keywords/upsampling","display_name":"Upsampling","score":0.4904117286205292},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.32924702763557434},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.19655105471611023}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7852674126625061},{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.7020183801651001},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5657861232757568},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4917924702167511},{"id":"https://openalex.org/C110384440","wikidata":"https://www.wikidata.org/wiki/Q1143270","display_name":"Upsampling","level":3,"score":0.4904117286205292},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.32924702763557434},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.19655105471611023}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2015.7326827","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2015.7326827","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W2138863700","https://openalex.org/W2159764512"],"related_works":["https://openalex.org/W2062399876","https://openalex.org/W2607795551","https://openalex.org/W3155117723","https://openalex.org/W1991429770","https://openalex.org/W1983892167","https://openalex.org/W2281134365","https://openalex.org/W4310746709","https://openalex.org/W4306309518","https://openalex.org/W4385574037","https://openalex.org/W4386075645"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"an":[3],"interpolation-free":[4],"fast":[5],"factorized":[6],"back-projection":[7],"(IF-FFBP)":[8],"algorithm":[9],"is":[10],"proposed":[11],"for":[12,29],"high-resolution":[13],"spotlight":[14],"synthetic":[15],"aperture":[16],"radar":[17],"(SAR)":[18],"processing.":[19],"Different":[20],"from":[21],"the":[22,34,45,48,56,65,73,77],"original":[23],"FFBP":[24],"utilizing":[25],"two-dimensional":[26],"image-domain":[27],"interpolation":[28,60],"sub-aperture":[30],"fusion,":[31],"IF-FFBP":[32,51],"finishes":[33],"image":[35],"merging":[36],"steps":[37],"using":[38],"chirp-z":[39],"transform":[40],"and":[41,63],"circular":[42],"shifting.":[43],"Under":[44],"restriction":[46],"of":[47,76],"applicable":[49],"scope,":[50],"yields":[52],"enhanced":[53],"efficiency":[54,74],"over":[55],"4":[57],"times":[58],"upsampling":[59],"based":[61],"FFBP,":[62],"keeps":[64],"high":[66],"precision":[67],"simultaneously.":[68],"Finally,":[69],"Real-data":[70],"experiment":[71],"verifies":[72],"superiorities":[75],"FIM-FFBP.":[78]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
