{"id":"https://openalex.org/W2894387884","doi":"https://doi.org/10.1155/2018/9130531","title":"Improved Stochastic Gradient Matching Pursuit Algorithm Based on the Soft-Thresholds Selection","display_name":"Improved Stochastic Gradient Matching Pursuit Algorithm Based on the Soft-Thresholds Selection","publication_year":2018,"publication_date":"2018-09-24","ids":{"openalex":"https://openalex.org/W2894387884","doi":"https://doi.org/10.1155/2018/9130531","mag":"2894387884"},"language":"en","primary_location":{"id":"doi:10.1155/2018/9130531","is_oa":true,"landing_page_url":"http://doi.org/10.1155/2018/9130531","pdf_url":"http://downloads.hindawi.com/journals/jece/2018/9130531.pdf","source":{"id":"https://openalex.org/S174662166","display_name":"Journal of Electrical and Computer Engineering","issn_l":"2090-0147","issn":["2090-0147","2090-0155"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Electrical and Computer Engineering","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"http://downloads.hindawi.com/journals/jece/2018/9130531.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5018431904","display_name":"Liquan Zhao","orcid":"https://orcid.org/0000-0002-9499-1911"},"institutions":[{"id":"https://openalex.org/I179060312","display_name":"Northeast Electric Power University","ror":"https://ror.org/00zqaxa34","country_code":"CN","type":"education","lineage":["https://openalex.org/I179060312"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhao Liquan","raw_affiliation_strings":["College of Information Engineering, Northeast Electric Power University, Jilin 132012, China"],"raw_orcid":"https://orcid.org/0000-0002-9499-1911","affiliations":[{"raw_affiliation_string":"College of Information Engineering, Northeast Electric Power University, Jilin 132012, China","institution_ids":["https://openalex.org/I179060312"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101425259","display_name":"Yunfeng Hu","orcid":"https://orcid.org/0000-0002-2572-5433"},"institutions":[{"id":"https://openalex.org/I179060312","display_name":"Northeast Electric Power University","ror":"https://ror.org/00zqaxa34","country_code":"CN","type":"education","lineage":["https://openalex.org/I179060312"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hu Yunfeng","raw_affiliation_strings":["College of Information Engineering, Northeast Electric Power University, Jilin 132012, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Engineering, Northeast Electric Power University, Jilin 132012, China","institution_ids":["https://openalex.org/I179060312"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5018431904"],"corresponding_institution_ids":["https://openalex.org/I179060312"],"apc_list":{"value":1400,"currency":"USD","value_usd":1400},"apc_paid":{"value":1400,"currency":"USD","value_usd":1400},"fwci":0.2003,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.50849985,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"2018","issue":null,"first_page":"1","last_page":"11"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9998000264167786,"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9968000054359436,"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":0.9952999949455261,"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/matching-pursuit","display_name":"Matching pursuit","score":0.7525563836097717},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.6332999467849731},{"id":"https://openalex.org/keywords/redundancy","display_name":"Redundancy (engineering)","score":0.6135029792785645},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6045149564743042},{"id":"https://openalex.org/keywords/residual","display_name":"Residual","score":0.5995655059814453},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.590201735496521},{"id":"https://openalex.org/keywords/atom","display_name":"Atom (system on chip)","score":0.5262281894683838},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5098370909690857},{"id":"https://openalex.org/keywords/least-squares-function-approximation","display_name":"Least-squares function approximation","score":0.4477007985115051},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4126121997833252},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2981595993041992},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.17404943704605103}],"concepts":[{"id":"https://openalex.org/C156872377","wikidata":"https://www.wikidata.org/wiki/Q6786281","display_name":"Matching pursuit","level":3,"score":0.7525563836097717},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.6332999467849731},{"id":"https://openalex.org/C152124472","wikidata":"https://www.wikidata.org/wiki/Q1204361","display_name":"Redundancy (engineering)","level":2,"score":0.6135029792785645},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6045149564743042},{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.5995655059814453},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.590201735496521},{"id":"https://openalex.org/C58312451","wikidata":"https://www.wikidata.org/wiki/Q4817200","display_name":"Atom (system on chip)","level":2,"score":0.5262281894683838},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5098370909690857},{"id":"https://openalex.org/C9936470","wikidata":"https://www.wikidata.org/wiki/Q6510405","display_name":"Least-squares function approximation","level":3,"score":0.4477007985115051},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4126121997833252},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2981595993041992},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.17404943704605103},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1155/2018/9130531","is_oa":true,"landing_page_url":"http://doi.org/10.1155/2018/9130531","pdf_url":"http://downloads.hindawi.com/journals/jece/2018/9130531.pdf","source":{"id":"https://openalex.org/S174662166","display_name":"Journal of Electrical and Computer Engineering","issn_l":"2090-0147","issn":["2090-0147","2090-0155"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Electrical and Computer Engineering","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:c23af5300fab419eb765f14f587cb966","is_oa":true,"landing_page_url":"https://doaj.org/article/c23af5300fab419eb765f14f587cb966","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Journal of Electrical and Computer Engineering, Vol 2018 (2018)","raw_type":"article"},{"id":"pmh:oai:hindawi.com:10.1155/2018/9130531","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2018/9130531","pdf_url":null,"source":{"id":"https://openalex.org/S4306400340","display_name":"Hindawi Journal of Chemistry (Hindawi)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210126990","host_organization_name":"Hindawi (United Kingdom)","host_organization_lineage":["https://openalex.org/I4210126990"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Research Article"}],"best_oa_location":{"id":"doi:10.1155/2018/9130531","is_oa":true,"landing_page_url":"http://doi.org/10.1155/2018/9130531","pdf_url":"http://downloads.hindawi.com/journals/jece/2018/9130531.pdf","source":{"id":"https://openalex.org/S174662166","display_name":"Journal of Electrical and Computer Engineering","issn_l":"2090-0147","issn":["2090-0147","2090-0155"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Electrical and Computer Engineering","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4812054646","display_name":null,"funder_award_id":"JJKH20180336KJ","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G600153832","display_name":null,"funder_award_id":"61271115","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2894387884.pdf","grobid_xml":"https://content.openalex.org/works/W2894387884.grobid-xml"},"referenced_works_count":21,"referenced_works":["https://openalex.org/W1986931325","https://openalex.org/W2046658845","https://openalex.org/W2077520262","https://openalex.org/W2095978736","https://openalex.org/W2109449402","https://openalex.org/W2115706991","https://openalex.org/W2127271355","https://openalex.org/W2129131372","https://openalex.org/W2129638195","https://openalex.org/W2145096794","https://openalex.org/W2146360932","https://openalex.org/W2148108699","https://openalex.org/W2151693816","https://openalex.org/W2160979406","https://openalex.org/W2164452299","https://openalex.org/W2289917018","https://openalex.org/W2293318283","https://openalex.org/W2963297739","https://openalex.org/W3022380717","https://openalex.org/W3103732143","https://openalex.org/W4250955649"],"related_works":["https://openalex.org/W2073241848","https://openalex.org/W2042644197","https://openalex.org/W2785927776","https://openalex.org/W2020549994","https://openalex.org/W4220674950","https://openalex.org/W1980565639","https://openalex.org/W2381915087","https://openalex.org/W2103001330","https://openalex.org/W2806946907","https://openalex.org/W2755233268"],"abstract_inverted_index":{"The":[0],"preliminary":[1,51,60],"atom":[2,52,61,127,133,143],"set":[3,117,129,145],"exits":[4],"redundant":[5],"atoms":[6,48],"in":[7,165],"the":[8,16,19,24,29,46,50,56,59,66,71,77,82,88,93,97,104,110,113,121,124,131,136,141,149,157,168,176],"stochastic":[9,177],"gradient":[10,178],"matching":[11,179],"pursuit":[12,180],"algorithm,":[13],"which":[14],"affects":[15],"accuracy":[17],"of":[18,58,70,79,81,90,112,167],"signal":[20],"reconstruction":[21,169],"and":[22,171],"increases":[23],"computational":[25],"complexity.":[26],"To":[27],"overcome":[28],"problem,":[30],"an":[31],"improved":[32],"method":[33,159],"is":[34,42,74,85,95,101,106,118,130,138,146,160],"proposed.":[35],"Firstly,":[36],"a":[37],"limited":[38],"soft-threshold":[39],"selection":[40],"strategy":[41],"used":[43],"to":[44,54],"select":[45],"new":[47],"from":[49],"set,":[53],"reduce":[55],"redundancy":[57],"set.":[62,134],"Secondly,":[63],"before":[64],"finding":[65],"least":[67,98,150],"squares":[68,99,151],"solution":[69,100],"residual,":[72],"it":[73],"determined":[75,147],"whether":[76],"number":[78,89],"columns":[80],"measurement":[83],"matrix":[84],"smaller":[86],"than":[87,120,162,175],"rows.":[91],"If":[92,135],"condition":[94,137],"satisfied,":[96,140],"calculated;":[102],"otherwise,":[103],"loop":[105],"exited.":[107],"Finally,":[108],"if":[109],"length":[111],"candidate":[114,126],"atomic":[115],"index":[116,128,144],"less":[119],"sparsity":[122],"level,":[123],"current":[125],"support":[132,142],"not":[139],"by":[148],"solution.":[152],"Simulation":[153],"results":[154],"indicate":[155],"that":[156],"proposed":[158],"better":[161],"other":[163],"methods":[164],"terms":[166],"probability":[170],"shorter":[172],"running":[173],"time":[174],"algorithm.":[181]},"counts_by_year":[{"year":2019,"cited_by_count":1}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}
