{"id":"https://openalex.org/W2615108277","doi":"https://doi.org/10.1109/tpds.2017.2706291","title":"Accelerating Persistent Scatterer Pixel Selection for InSAR Processing","display_name":"Accelerating Persistent Scatterer Pixel Selection for InSAR Processing","publication_year":2017,"publication_date":"2017-05-19","ids":{"openalex":"https://openalex.org/W2615108277","doi":"https://doi.org/10.1109/tpds.2017.2706291","mag":"2615108277"},"language":"en","primary_location":{"id":"doi:10.1109/tpds.2017.2706291","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tpds.2017.2706291","pdf_url":null,"source":{"id":"https://openalex.org/S97130795","display_name":"IEEE Transactions on Parallel and Distributed Systems","issn_l":"1045-9219","issn":["1045-9219","1558-2183","2161-9883"],"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 Transactions on Parallel and Distributed Systems","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/A5043238877","display_name":"Tahsin Reza","orcid":null},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Tahsin Reza","raw_affiliation_strings":["Electrical and Computer Engineering, University of British Columbia, Vancouver, BC, Canada"],"affiliations":[{"raw_affiliation_string":"Electrical and Computer Engineering, University of British Columbia, Vancouver, BC, Canada","institution_ids":["https://openalex.org/I141945490"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020139829","display_name":"Aaron Zimmer","orcid":null},"institutions":[{"id":"https://openalex.org/I4210100487","display_name":"3v Geomatics (Canada)","ror":"https://ror.org/00ymz7s10","country_code":"CA","type":"company","lineage":["https://openalex.org/I4210100487"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Aaron Zimmer","raw_affiliation_strings":["3vGeomatics, Vancouver, BC, Canada"],"affiliations":[{"raw_affiliation_string":"3vGeomatics, Vancouver, BC, Canada","institution_ids":["https://openalex.org/I4210100487"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033293419","display_name":"Jos\u00e9 Manuel Delgado Blasco","orcid":"https://orcid.org/0000-0003-0098-3046"},"institutions":[{"id":"https://openalex.org/I191420491","display_name":"Universidad de Ja\u00e9n","ror":"https://ror.org/0122p5f64","country_code":"ES","type":"education","lineage":["https://openalex.org/I191420491"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Jose Manuel Delgado Blasco","raw_affiliation_strings":["Grupo de Investigaci\u00f3n Microgeodesia Ja\u00e9n, Universidad de Ja\u00e9n, Ja\u00e9n, Spain"],"affiliations":[{"raw_affiliation_string":"Grupo de Investigaci\u00f3n Microgeodesia Ja\u00e9n, Universidad de Ja\u00e9n, Ja\u00e9n, Spain","institution_ids":["https://openalex.org/I191420491"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009804290","display_name":"Parwant Ghuman","orcid":null},"institutions":[{"id":"https://openalex.org/I4210100487","display_name":"3v Geomatics (Canada)","ror":"https://ror.org/00ymz7s10","country_code":"CA","type":"company","lineage":["https://openalex.org/I4210100487"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Parwant Ghuman","raw_affiliation_strings":["3vGeomatics, Vancouver, BC, Canada"],"affiliations":[{"raw_affiliation_string":"3vGeomatics, Vancouver, BC, Canada","institution_ids":["https://openalex.org/I4210100487"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010577335","display_name":"Tanuj Kr Aasawat","orcid":null},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Tanuj Kr Aasawat","raw_affiliation_strings":["Electrical and Computer Engineering, University of British Columbia, Vancouver, BC, Canada"],"affiliations":[{"raw_affiliation_string":"Electrical and Computer Engineering, University of British Columbia, Vancouver, BC, Canada","institution_ids":["https://openalex.org/I141945490"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088755273","display_name":"Matei Ripeanu","orcid":"https://orcid.org/0000-0001-9839-3866"},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Matei Ripeanu","raw_affiliation_strings":["Electrical and Computer Engineering, University of British Columbia, Vancouver, BC, Canada"],"affiliations":[{"raw_affiliation_string":"Electrical and Computer Engineering, University of British Columbia, Vancouver, BC, Canada","institution_ids":["https://openalex.org/I141945490"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5043238877"],"corresponding_institution_ids":["https://openalex.org/I141945490"],"apc_list":null,"apc_paid":null,"fwci":9.4607,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.97652667,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"29","issue":"1","first_page":"16","last_page":"30"},"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":0.9998999834060669,"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":0.9998999834060669,"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":0.9976999759674072,"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"}},{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9962999820709229,"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/computer-science","display_name":"Computer science","score":0.8341541290283203},{"id":"https://openalex.org/keywords/speedup","display_name":"Speedup","score":0.701187014579773},{"id":"https://openalex.org/keywords/interferometric-synthetic-aperture-radar","display_name":"Interferometric synthetic aperture radar","score":0.6403740644454956},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.5318080186843872},{"id":"https://openalex.org/keywords/xeon","display_name":"Xeon","score":0.5016119480133057},{"id":"https://openalex.org/keywords/cuda","display_name":"CUDA","score":0.4492897689342499},{"id":"https://openalex.org/keywords/interferometry","display_name":"Interferometry","score":0.4210960865020752},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.38297179341316223},{"id":"https://openalex.org/keywords/computational-science","display_name":"Computational science","score":0.3452689051628113},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.33629870414733887},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.16279318928718567}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8341541290283203},{"id":"https://openalex.org/C68339613","wikidata":"https://www.wikidata.org/wiki/Q1549489","display_name":"Speedup","level":2,"score":0.701187014579773},{"id":"https://openalex.org/C22286887","wikidata":"https://www.wikidata.org/wiki/Q1666056","display_name":"Interferometric synthetic aperture radar","level":3,"score":0.6403740644454956},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.5318080186843872},{"id":"https://openalex.org/C145108525","wikidata":"https://www.wikidata.org/wiki/Q656154","display_name":"Xeon","level":2,"score":0.5016119480133057},{"id":"https://openalex.org/C2778119891","wikidata":"https://www.wikidata.org/wiki/Q477690","display_name":"CUDA","level":2,"score":0.4492897689342499},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.4210960865020752},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.38297179341316223},{"id":"https://openalex.org/C459310","wikidata":"https://www.wikidata.org/wiki/Q117801","display_name":"Computational science","level":1,"score":0.3452689051628113},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.33629870414733887},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.16279318928718567},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tpds.2017.2706291","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tpds.2017.2706291","pdf_url":null,"source":{"id":"https://openalex.org/S97130795","display_name":"IEEE Transactions on Parallel and Distributed Systems","issn_l":"1045-9219","issn":["1045-9219","1558-2183","2161-9883"],"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 Transactions on Parallel and Distributed Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.550000011920929,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1544113791","https://openalex.org/W1672745209","https://openalex.org/W1781559127","https://openalex.org/W1972002878","https://openalex.org/W1984643621","https://openalex.org/W2002555321","https://openalex.org/W2017493692","https://openalex.org/W2020719352","https://openalex.org/W2024193164","https://openalex.org/W2036132669","https://openalex.org/W2042373619","https://openalex.org/W2047029664","https://openalex.org/W2056971515","https://openalex.org/W2093343221","https://openalex.org/W2102145536","https://openalex.org/W2110940994","https://openalex.org/W2121773078","https://openalex.org/W2123632763","https://openalex.org/W2129206142","https://openalex.org/W2144803728","https://openalex.org/W2152520029","https://openalex.org/W2185420085","https://openalex.org/W6638065451"],"related_works":["https://openalex.org/W2983282793","https://openalex.org/W3206958763","https://openalex.org/W2159160885","https://openalex.org/W2148958581","https://openalex.org/W1507301366","https://openalex.org/W2910315605","https://openalex.org/W4297942731","https://openalex.org/W3205838256","https://openalex.org/W2607998022","https://openalex.org/W2943610686"],"abstract_inverted_index":{"Interferometric":[0],"Synthetic":[1],"Aperture":[2],"Radar":[3],"(InSAR)":[4],"is":[5,29,86],"a":[6,30,51,62,69,144,148,156,182],"remote":[7],"sensing":[8],"technology":[9],"used":[10,188],"for":[11,65,111],"estimating":[12],"the":[13,19,22,82,100,104,120,140,176,185],"displacement":[14],"of":[15,32,45,53,79,102,195],"an":[16],"object":[17],"on":[18,42],"ground":[20],"or":[21],"earth's":[23],"surface":[24],"itself.":[25],"Persistent":[26,73],"Scatterer-InSAR":[27],"(PS-InSAR)":[28],"category":[31],"time":[33],"series":[34],"algorithms":[35],"enabling":[36],"high":[37],"resolution":[38],"monitoring.":[39],"PS-InSAR":[40],"relies":[41],"successful":[43],"selection":[44,197],"points":[46],"that":[47,87,119],"appear":[48],"stable":[49],"across":[50],"set":[52],"satellite":[54],"images":[55],"taken":[56],"overtime.":[57],"This":[58],"paper":[59],"presents":[60],"PtSel,":[61],"new":[63],"algorithm":[64,105],"selecting":[66],"these":[67],"points,":[68],"problem":[70],"known":[71],"as":[72],"Scatterer":[74],"Selection.":[75],"The":[76,168],"key":[77,83],"advantage":[78],"PtSel":[80],"over":[81,155],"existing":[84],"techniques":[85],"it":[88,110],"does":[89],"not":[90,123],"require":[91],"model":[92],"assumptions,":[93],"yet":[94],"preserves":[95],"solution":[96,170],"accuracy.":[97],"Motivated":[98],"by":[99],"abundance":[101],"parallelism":[103],"exposes,":[106],"we":[107,180],"have":[108],"implemented":[109],"GPUs.":[112],"Our":[113],"evaluation":[114],"using":[115],"real-world":[116],"data":[117],"shows":[118],"GPU":[121,133,141,151,169],"implementation":[122,142],"only":[124],"offers":[125,152],"superior":[126],"performance":[127],"but":[128],"also":[129],"scales":[130],"linearly":[131],"with":[132,184],"count":[134],"and":[135,143,199],"workload":[136],"size.":[137],"We":[138],"compare":[139],"parallel":[145],"CPU":[146],"implementation:":[147],"consumer":[149],"grade":[150],"18x":[153],"speedup":[154],"16-core":[157],"Ivy":[158],"Bridge":[159],"Xeon":[160],"System,":[161],"while":[162],"four":[163],"GPUs":[164],"offer":[165],"65x":[166],"speedup.":[167],"consumes":[171],"28x":[172],"less":[173],"energy":[174],"than":[175],"CPU-only":[177],"solution.":[178],"Additionally,":[179],"present":[181],"comparison":[183],"most":[186],"widely":[187],"PS-interferometry":[189],"software":[190],"package":[191],"StaMPS,":[192],"in":[193],"terms":[194],"point":[196],"coverage":[198],"precision.":[200]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2}],"updated_date":"2026-03-27T14:29:43.386196","created_date":"2025-10-10T00:00:00"}
