{"id":"https://openalex.org/W2143224046","doi":"https://doi.org/10.1109/lgrs.2013.2293475","title":"Motion Parameter Estimation and Focusing From SAR Images Based on Sparse Reconstruction","display_name":"Motion Parameter Estimation and Focusing From SAR Images Based on Sparse Reconstruction","publication_year":2014,"publication_date":"2014-01-31","ids":{"openalex":"https://openalex.org/W2143224046","doi":"https://doi.org/10.1109/lgrs.2013.2293475","mag":"2143224046"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2013.2293475","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2013.2293475","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Geoscience and Remote Sensing Letters","raw_type":"journal-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/A5077151303","display_name":"Ahmed Shaharyar Khwaja","orcid":"https://orcid.org/0000-0002-9012-989X"},"institutions":[{"id":"https://openalex.org/I530967","display_name":"Toronto Metropolitan University","ror":"https://ror.org/05g13zd79","country_code":"CA","type":"education","lineage":["https://openalex.org/I530967"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Ahmed Shaharyar Khwaja","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Ryerson University, Toronto, ON, Canada","[Dept. of Electr. & Comput. Eng., Ryerson Univ., Toronto, ON, Canada]"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Ryerson University, Toronto, ON, Canada","institution_ids":["https://openalex.org/I530967"]},{"raw_affiliation_string":"[Dept. of Electr. & Comput. Eng., Ryerson Univ., Toronto, ON, Canada]","institution_ids":["https://openalex.org/I530967"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100363146","display_name":"Xiao\u2013Ping Zhang","orcid":"https://orcid.org/0000-0001-5241-0069"},"institutions":[{"id":"https://openalex.org/I530967","display_name":"Toronto Metropolitan University","ror":"https://ror.org/05g13zd79","country_code":"CA","type":"education","lineage":["https://openalex.org/I530967"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Xiao-Ping Zhang","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Ryerson University, Toronto, ON, Canada","[Dept. of Electr. & Comput. Eng., Ryerson Univ., Toronto, ON, Canada]"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Ryerson University, Toronto, ON, Canada","institution_ids":["https://openalex.org/I530967"]},{"raw_affiliation_string":"[Dept. of Electr. & Comput. Eng., Ryerson Univ., Toronto, ON, Canada]","institution_ids":["https://openalex.org/I530967"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5077151303"],"corresponding_institution_ids":["https://openalex.org/I530967"],"apc_list":null,"apc_paid":null,"fwci":0.8098,"has_fulltext":false,"cited_by_count":19,"citation_normalized_percentile":{"value":0.82294206,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"11","issue":"8","first_page":"1350","last_page":"1354"},"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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":0.9976000189781189,"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/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7852122187614441},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7236359119415283},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.7227085828781128},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.718298077583313},{"id":"https://openalex.org/keywords/basis","display_name":"Basis (linear algebra)","score":0.6441081762313843},{"id":"https://openalex.org/keywords/beamwidth","display_name":"Beamwidth","score":0.5492451786994934},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.5344151258468628},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.5161150693893433},{"id":"https://openalex.org/keywords/motion-estimation","display_name":"Motion estimation","score":0.5160672068595886},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.5120640397071838},{"id":"https://openalex.org/keywords/matching-pursuit","display_name":"Matching pursuit","score":0.4444696307182312},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.44433730840682983},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.4128463864326477},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.3967289924621582},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.23183155059814453},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.21082881093025208}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7852122187614441},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7236359119415283},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.7227085828781128},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.718298077583313},{"id":"https://openalex.org/C12426560","wikidata":"https://www.wikidata.org/wiki/Q189569","display_name":"Basis (linear algebra)","level":2,"score":0.6441081762313843},{"id":"https://openalex.org/C190060920","wikidata":"https://www.wikidata.org/wiki/Q4876232","display_name":"Beamwidth","level":3,"score":0.5492451786994934},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.5344151258468628},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.5161150693893433},{"id":"https://openalex.org/C10161872","wikidata":"https://www.wikidata.org/wiki/Q557891","display_name":"Motion estimation","level":2,"score":0.5160672068595886},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.5120640397071838},{"id":"https://openalex.org/C156872377","wikidata":"https://www.wikidata.org/wiki/Q6786281","display_name":"Matching pursuit","level":3,"score":0.4444696307182312},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.44433730840682983},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.4128463864326477},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.3967289924621582},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.23183155059814453},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.21082881093025208},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2013.2293475","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2013.2293475","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Geoscience and Remote Sensing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.7799999713897705}],"awards":[{"id":"https://openalex.org/G5982144510","display_name":null,"funder_award_id":"RGPIN239031","funder_id":"https://openalex.org/F4320334593","funder_display_name":"Natural Sciences and Engineering Research Council of Canada"}],"funders":[{"id":"https://openalex.org/F4320334593","display_name":"Natural Sciences and Engineering Research Council of Canada","ror":"https://ror.org/01h531d29"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W229421255","https://openalex.org/W1566144858","https://openalex.org/W1973503417","https://openalex.org/W1982203012","https://openalex.org/W2040053978","https://openalex.org/W2077533219","https://openalex.org/W2098543829","https://openalex.org/W2117439268","https://openalex.org/W2127271355","https://openalex.org/W2138001451","https://openalex.org/W2141325030","https://openalex.org/W2142653080","https://openalex.org/W2160042527","https://openalex.org/W2168828182","https://openalex.org/W2171912497","https://openalex.org/W2501210789","https://openalex.org/W3108496714","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2393324623","https://openalex.org/W2540450177","https://openalex.org/W2170580735","https://openalex.org/W1552305638","https://openalex.org/W1915418828","https://openalex.org/W2547107543","https://openalex.org/W2031673444","https://openalex.org/W1994788526","https://openalex.org/W2613451563","https://openalex.org/W1966299760"],"abstract_inverted_index":{"This":[0],"letter":[1],"presents":[2],"a":[3,27,33,40,111],"new":[4],"motion":[5,46,56],"parameter":[6,81,90],"estimation":[7],"method":[8,20,63],"using":[9],"synthetic":[10],"aperture":[11],"radar":[12],"(SAR)":[13],"images":[14,109],"based":[15,64],"on":[16,65],"sparse":[17],"reconstruction.":[18],"The":[19,36,95],"uses":[21],"orthogonal":[22],"matching":[23,66],"pursuit,":[24],"which":[25],"correlates":[26],"SAR":[28,108],"image":[29,43],"with":[30,60,106],"elements":[31],"in":[32,92],"reference":[34,71],"basis.":[35,94],"reconstruction":[37],"result":[38],"provides":[39],"high-resolution":[41],"focused":[42],"and":[44,54,88],"corresponding":[45],"parameters.":[47],"It":[48],"does":[49],"not":[50],"require":[51],"narrow-beamwidth":[52],"assumption":[53],"prior":[55],"information,":[57],"as":[58],"compared":[59],"the":[61,70,76,93,118],"existing":[62],"pursuit.":[67],"We":[68,83],"design":[69],"basis":[72],"by":[73,100],"theoretically":[74],"analyzing":[75],"performance":[77],"degradation":[78],"due":[79],"to":[80],"mismatch.":[82],"further":[84],"calculate":[85],"required":[86],"position":[87],"velocity":[89],"resolutions":[91,97],"calculated":[96],"are":[98],"validated":[99],"means":[101],"of":[102,110,120],"simulations.":[103],"Imaging":[104],"examples":[105],"real":[107],"scene":[112],"acquired":[113],"over":[114],"Ottawa,":[115],"Canada,":[116],"show":[117],"effectiveness":[119],"our":[121],"method.":[122]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":6},{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}