{"id":"https://openalex.org/W1991857131","doi":"https://doi.org/10.1007/s10915-014-9930-1","title":"Computing Sparse Representation in a Highly Coherent Dictionary Based on Difference of $$L_1$$ L 1 and $$L_2$$ L 2","display_name":"Computing Sparse Representation in a Highly Coherent Dictionary Based on Difference of $$L_1$$ L 1 and $$L_2$$ L 2","publication_year":2014,"publication_date":"2014-10-15","ids":{"openalex":"https://openalex.org/W1991857131","doi":"https://doi.org/10.1007/s10915-014-9930-1","mag":"1991857131"},"language":"en","primary_location":{"id":"doi:10.1007/s10915-014-9930-1","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10915-014-9930-1","pdf_url":null,"source":{"id":"https://openalex.org/S151550017","display_name":"Journal of Scientific Computing","issn_l":"0885-7474","issn":["0885-7474","1573-7691"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Scientific Computing","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/A5062067602","display_name":"Yifei Lou","orcid":"https://orcid.org/0000-0003-1973-5704"},"institutions":[{"id":"https://openalex.org/I204250578","display_name":"University of California, Irvine","ror":"https://ror.org/04gyf1771","country_code":"US","type":"education","lineage":["https://openalex.org/I204250578"]},{"id":"https://openalex.org/I162577319","display_name":"The University of Texas at Dallas","ror":"https://ror.org/049emcs32","country_code":"US","type":"education","lineage":["https://openalex.org/I162577319"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Yifei Lou","raw_affiliation_strings":["Department of Mathematics, UC Irvine, Irvine, CA, 92697, USA","Department of Mathematics, UC Irvine, Irvine, USA 92697 and Department of Mathematical Sciences, University of Texas at Dallas, Richardson, USA 75080#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, UC Irvine, Irvine, CA, 92697, USA","institution_ids":["https://openalex.org/I204250578"]},{"raw_affiliation_string":"Department of Mathematics, UC Irvine, Irvine, USA 92697 and Department of Mathematical Sciences, University of Texas at Dallas, Richardson, USA 75080#TAB#","institution_ids":["https://openalex.org/I162577319"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103235601","display_name":"Penghang Yin","orcid":null},"institutions":[{"id":"https://openalex.org/I204250578","display_name":"University of California, Irvine","ror":"https://ror.org/04gyf1771","country_code":"US","type":"education","lineage":["https://openalex.org/I204250578"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Penghang Yin","raw_affiliation_strings":["Department of Mathematics, UC Irvine, Irvine, CA, 92697, USA","Department of Mathematics, UC Irvine, Irvine, USA 92697#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, UC Irvine, Irvine, CA, 92697, USA","institution_ids":["https://openalex.org/I204250578"]},{"raw_affiliation_string":"Department of Mathematics, UC Irvine, Irvine, USA 92697#TAB#","institution_ids":["https://openalex.org/I204250578"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062448574","display_name":"Qi He","orcid":"https://orcid.org/0000-0002-1533-7568"},"institutions":[{"id":"https://openalex.org/I204250578","display_name":"University of California, Irvine","ror":"https://ror.org/04gyf1771","country_code":"US","type":"education","lineage":["https://openalex.org/I204250578"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Qi He","raw_affiliation_strings":["Department of Mathematics, UC Irvine, Irvine, CA, 92697, USA","Department of Mathematics, UC Irvine, Irvine, USA 92697#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, UC Irvine, Irvine, CA, 92697, USA","institution_ids":["https://openalex.org/I204250578"]},{"raw_affiliation_string":"Department of Mathematics, UC Irvine, Irvine, USA 92697#TAB#","institution_ids":["https://openalex.org/I204250578"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5059708262","display_name":"Jack Xin","orcid":"https://orcid.org/0000-0002-6438-8476"},"institutions":[{"id":"https://openalex.org/I204250578","display_name":"University of California, Irvine","ror":"https://ror.org/04gyf1771","country_code":"US","type":"education","lineage":["https://openalex.org/I204250578"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jack Xin","raw_affiliation_strings":["Department of Mathematics, UC Irvine, Irvine, CA, 92697, USA","Department of Mathematics, UC Irvine, Irvine, USA 92697#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, UC Irvine, Irvine, CA, 92697, USA","institution_ids":["https://openalex.org/I204250578"]},{"raw_affiliation_string":"Department of Mathematics, UC Irvine, Irvine, USA 92697#TAB#","institution_ids":["https://openalex.org/I204250578"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5062067602"],"corresponding_institution_ids":["https://openalex.org/I162577319","https://openalex.org/I204250578"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":null,"fwci":7.7173,"has_fulltext":false,"cited_by_count":172,"citation_normalized_percentile":{"value":0.97886266,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"64","issue":"1","first_page":"178","last_page":"196"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":1.0,"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":1.0,"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12015","display_name":"Photoacoustic and Ultrasonic Imaging","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/sparse-approximation","display_name":"Sparse approximation","score":0.8070247173309326},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6561984419822693},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.6038860082626343},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.5534534454345703},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.5488373637199402},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5430324673652649},{"id":"https://openalex.org/keywords/initialization","display_name":"Initialization","score":0.5071811676025391},{"id":"https://openalex.org/keywords/lipschitz-continuity","display_name":"Lipschitz continuity","score":0.4981694221496582},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.4613302946090698},{"id":"https://openalex.org/keywords/simulated-annealing","display_name":"Simulated annealing","score":0.4547708034515381},{"id":"https://openalex.org/keywords/convex-function","display_name":"Convex function","score":0.45470792055130005},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.4490358829498291},{"id":"https://openalex.org/keywords/sparse-matrix","display_name":"Sparse matrix","score":0.43409907817840576},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.42367038130760193},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.4207327663898468},{"id":"https://openalex.org/keywords/quadratic-equation","display_name":"Quadratic equation","score":0.41837894916534424},{"id":"https://openalex.org/keywords/basis-pursuit","display_name":"Basis pursuit","score":0.4123408794403076},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.2986161708831787},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.24714112281799316},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.16632243990898132}],"concepts":[{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.8070247173309326},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6561984419822693},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.6038860082626343},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.5534534454345703},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.5488373637199402},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5430324673652649},{"id":"https://openalex.org/C114466953","wikidata":"https://www.wikidata.org/wiki/Q6034165","display_name":"Initialization","level":2,"score":0.5071811676025391},{"id":"https://openalex.org/C22324862","wikidata":"https://www.wikidata.org/wiki/Q652707","display_name":"Lipschitz continuity","level":2,"score":0.4981694221496582},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.4613302946090698},{"id":"https://openalex.org/C126980161","wikidata":"https://www.wikidata.org/wiki/Q863783","display_name":"Simulated annealing","level":2,"score":0.4547708034515381},{"id":"https://openalex.org/C145446738","wikidata":"https://www.wikidata.org/wiki/Q319913","display_name":"Convex function","level":3,"score":0.45470792055130005},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.4490358829498291},{"id":"https://openalex.org/C56372850","wikidata":"https://www.wikidata.org/wiki/Q1050404","display_name":"Sparse matrix","level":3,"score":0.43409907817840576},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.42367038130760193},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.4207327663898468},{"id":"https://openalex.org/C129844170","wikidata":"https://www.wikidata.org/wiki/Q41299","display_name":"Quadratic equation","level":2,"score":0.41837894916534424},{"id":"https://openalex.org/C99217422","wikidata":"https://www.wikidata.org/wiki/Q4867576","display_name":"Basis pursuit","level":4,"score":0.4123408794403076},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.2986161708831787},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.24714112281799316},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.16632243990898132},{"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/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C156872377","wikidata":"https://www.wikidata.org/wiki/Q6786281","display_name":"Matching pursuit","level":3,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","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},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s10915-014-9930-1","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10915-014-9930-1","pdf_url":null,"source":{"id":"https://openalex.org/S151550017","display_name":"Journal of Scientific Computing","issn_l":"0885-7474","issn":["0885-7474","1573-7691"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Scientific Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W52184840","https://openalex.org/W81332608","https://openalex.org/W1897767665","https://openalex.org/W1996287810","https://openalex.org/W2002132954","https://openalex.org/W2004886822","https://openalex.org/W2020999234","https://openalex.org/W2024060531","https://openalex.org/W2028781966","https://openalex.org/W2031906930","https://openalex.org/W2065448588","https://openalex.org/W2082712662","https://openalex.org/W2103955025","https://openalex.org/W2105464873","https://openalex.org/W2116148865","https://openalex.org/W2119499160","https://openalex.org/W2129131372","https://openalex.org/W2135046866","https://openalex.org/W2153663612","https://openalex.org/W2154332973","https://openalex.org/W2160547390","https://openalex.org/W2164278908","https://openalex.org/W2168745297","https://openalex.org/W2169892604","https://openalex.org/W2317475341","https://openalex.org/W2340859457","https://openalex.org/W3022584652","https://openalex.org/W4285719527","https://openalex.org/W4292363360"],"related_works":["https://openalex.org/W3088606048","https://openalex.org/W2169904627","https://openalex.org/W2436826437","https://openalex.org/W4300448317","https://openalex.org/W2952153915","https://openalex.org/W4289259997","https://openalex.org/W2330143608","https://openalex.org/W2562633204","https://openalex.org/W2131849218","https://openalex.org/W3005946484"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":17},{"year":2024,"cited_by_count":23},{"year":2023,"cited_by_count":20},{"year":2022,"cited_by_count":19},{"year":2021,"cited_by_count":23},{"year":2020,"cited_by_count":19},{"year":2019,"cited_by_count":16},{"year":2018,"cited_by_count":10},{"year":2017,"cited_by_count":10},{"year":2016,"cited_by_count":9},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
