{"id":"https://openalex.org/W2246345088","doi":"https://doi.org/10.1109/jstars.2015.2471083","title":"Parallel Implementation of Polarimetric Synthetic Aperture Radar Data Processing for Unsupervised Classification Using the Complex Wishart Classifier","display_name":"Parallel Implementation of Polarimetric Synthetic Aperture Radar Data Processing for Unsupervised Classification Using the Complex Wishart Classifier","publication_year":2015,"publication_date":"2015-09-09","ids":{"openalex":"https://openalex.org/W2246345088","doi":"https://doi.org/10.1109/jstars.2015.2471083","mag":"2246345088"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2015.2471083","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2015.2471083","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"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 Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"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/A5101540807","display_name":"S. S\u00e1nchez","orcid":"https://orcid.org/0000-0001-7733-4680"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Sergio Sanchez","raw_affiliation_strings":["Institute Center for Water and Environment (iWATER) Masdar Institute of Science and Technology Abu Dhabi UAE"],"affiliations":[{"raw_affiliation_string":"Institute Center for Water and Environment (iWATER) Masdar Institute of Science and Technology Abu Dhabi UAE","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070579744","display_name":"Prashanth Marpu","orcid":"https://orcid.org/0000-0003-3335-1790"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Prashanth R. Marpu","raw_affiliation_strings":["Institute Center for Water and Environment (iWATER) Masdar Institute of Science and Technology Abu Dhabi UAE"],"affiliations":[{"raw_affiliation_string":"Institute Center for Water and Environment (iWATER) Masdar Institute of Science and Technology Abu Dhabi UAE","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054292278","display_name":"Antonio Plaza","orcid":"https://orcid.org/0000-0002-9613-1659"},"institutions":[{"id":"https://openalex.org/I80606768","display_name":"Universidad de Extremadura","ror":"https://ror.org/0174shg90","country_code":"ES","type":"education","lineage":["https://openalex.org/I80606768"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Antonio Plaza","raw_affiliation_strings":["Department of Technology of Computers and Communications, Escuela Politecnica de Caceres, University of Extremadura, Caceres, Spain"],"affiliations":[{"raw_affiliation_string":"Department of Technology of Computers and Communications, Escuela Politecnica de Caceres, University of Extremadura, Caceres, Spain","institution_ids":["https://openalex.org/I80606768"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001411931","display_name":"Abel Paz","orcid":"https://orcid.org/0000-0003-1007-4479"},"institutions":[{"id":"https://openalex.org/I80606768","display_name":"Universidad de Extremadura","ror":"https://ror.org/0174shg90","country_code":"ES","type":"education","lineage":["https://openalex.org/I80606768"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Abel Paz-Gallardo","raw_affiliation_strings":["Department of Technology of Computers and Communications, Escuela Politecnica de Caceres, University of Extremadura, Caceres, Spain"],"affiliations":[{"raw_affiliation_string":"Department of Technology of Computers and Communications, Escuela Politecnica de Caceres, University of Extremadura, Caceres, Spain","institution_ids":["https://openalex.org/I80606768"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5101540807"],"corresponding_institution_ids":[],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":null,"fwci":1.6216,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.87490291,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"8","issue":"11","first_page":"5376","last_page":"5387"},"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":1.0,"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":1.0,"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":0.9993000030517578,"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/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8793749809265137},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.5928357839584351},{"id":"https://openalex.org/keywords/cuda","display_name":"CUDA","score":0.5833079218864441},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.549802303314209},{"id":"https://openalex.org/keywords/message-passing-interface","display_name":"Message Passing Interface","score":0.4843624532222748},{"id":"https://openalex.org/keywords/parallel-processing","display_name":"Parallel processing","score":0.4277428686618805},{"id":"https://openalex.org/keywords/classifier","display_name":"Classifier (UML)","score":0.4217371940612793},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.41693875193595886},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.33298617601394653},{"id":"https://openalex.org/keywords/message-passing","display_name":"Message passing","score":0.2643499970436096}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8793749809265137},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.5928357839584351},{"id":"https://openalex.org/C2778119891","wikidata":"https://www.wikidata.org/wiki/Q477690","display_name":"CUDA","level":2,"score":0.5833079218864441},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.549802303314209},{"id":"https://openalex.org/C166782233","wikidata":"https://www.wikidata.org/wiki/Q127879","display_name":"Message Passing Interface","level":3,"score":0.4843624532222748},{"id":"https://openalex.org/C106515295","wikidata":"https://www.wikidata.org/wiki/Q26806595","display_name":"Parallel processing","level":2,"score":0.4277428686618805},{"id":"https://openalex.org/C95623464","wikidata":"https://www.wikidata.org/wiki/Q1096149","display_name":"Classifier (UML)","level":2,"score":0.4217371940612793},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.41693875193595886},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.33298617601394653},{"id":"https://openalex.org/C854659","wikidata":"https://www.wikidata.org/wiki/Q1859284","display_name":"Message passing","level":2,"score":0.2643499970436096}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jstars.2015.2471083","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2015.2471083","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"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 Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.46000000834465027}],"awards":[],"funders":[{"id":"https://openalex.org/F4320322420","display_name":"Masdar Institute of Science and Technology","ror":"https://ror.org/05hffr360"},{"id":"https://openalex.org/F4320335322","display_name":"European Regional Development Fund","ror":"https://ror.org/00k4n6c32"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W1538058927","https://openalex.org/W1550264969","https://openalex.org/W1982618228","https://openalex.org/W1992400371","https://openalex.org/W2002546995","https://openalex.org/W2003701329","https://openalex.org/W2016013095","https://openalex.org/W2016052079","https://openalex.org/W2026765681","https://openalex.org/W2032911800","https://openalex.org/W2054973482","https://openalex.org/W2073974379","https://openalex.org/W2075879551","https://openalex.org/W2077239519","https://openalex.org/W2095231256","https://openalex.org/W2098902117","https://openalex.org/W2123076401","https://openalex.org/W2125357381","https://openalex.org/W2133583105","https://openalex.org/W2133989913","https://openalex.org/W2157156326","https://openalex.org/W2164296623","https://openalex.org/W3147308661","https://openalex.org/W6633033964"],"related_works":["https://openalex.org/W4399354997","https://openalex.org/W3062287","https://openalex.org/W2380390332","https://openalex.org/W2742145873","https://openalex.org/W2023572661","https://openalex.org/W2030707850","https://openalex.org/W2808583214","https://openalex.org/W2462471482","https://openalex.org/W63460282","https://openalex.org/W2105882587"],"abstract_inverted_index":{"This":[0],"work":[1],"investigates":[2],"the":[3,46,63,124,132,139],"parallel":[4,28],"implementation":[5,130],"of":[6,32,60,86,106,111,135],"target":[7],"decomposition":[8],"and":[9,39,71],"unsupervised":[10],"classification":[11],"algorithms":[12,22],"for":[13,83],"polarimetric":[14,65],"synthetic":[15],"aperture":[16],"radar":[17],"(POLSAR)":[18],"data":[19,53,88],"processing.":[20,89],"The":[21,128],"are":[23],"implemented":[24],"using":[25,34,45],"two":[26],"different":[27],"programming":[29],"models:":[30],"1)\u00a0clusters":[31],"CPUs,":[33],"message":[35],"passing":[36],"interface":[37],"(MPI),":[38],"2)\u00a0commodity":[40],"graphic":[41],"processing":[42,54],"units":[43],"(GPUs),":[44],"compute":[47],"device":[48],"unified":[49],"architecture":[50,141],"(CUDA).":[51],"POLSAR":[52,87],"generally":[55],"involves":[56],"a":[57,80,96,104],"large":[58],"amount":[59],"computations":[61],"as":[62,143],"full":[64],"information":[66],"needs":[67],"to":[68,151,155],"be":[69,100],"decomposed":[70],"analyzed.":[72],"Our":[73],"experiments":[74],"reveal":[75],"that":[76,95],"GPU":[77,98,140],"architectures":[78],"provide":[79],"good":[81],"framework":[82],"massive":[84],"parallelization":[85],"For":[90],"instance,":[91],"it":[92],"is":[93],"found":[94],"single":[97,125],"can":[99],"more":[101,112],"efficient":[102],"than":[103,113],"cluster":[105],"128":[107],"nodes":[108],"with":[109,123],"speedups":[110],"$100":[116],"\\times":[117],"$":[118],"in":[121,138,153],"comparison":[122],"processor":[126],"times.":[127],"proposed":[129],"makes":[131],"best":[133],"use":[134],"low-level":[136],"features":[137],"such":[142],"shared":[144],"memories,":[145],"while":[146],"also":[147],"providing":[148],"coalesced":[149],"accesses":[150],"memory":[152],"order":[154],"achieve":[156],"maximum":[157],"performance.":[158]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}