{"id":"https://openalex.org/W1965524645","doi":"https://doi.org/10.1109/ssd.2014.6808837","title":"Adaptive Asymmetric Least Squares baseline estimation for analytical instruments","display_name":"Adaptive Asymmetric Least Squares baseline estimation for analytical instruments","publication_year":2014,"publication_date":"2014-02-01","ids":{"openalex":"https://openalex.org/W1965524645","doi":"https://doi.org/10.1109/ssd.2014.6808837","mag":"1965524645"},"language":"en","primary_location":{"id":"doi:10.1109/ssd.2014.6808837","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ssd.2014.6808837","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE 11th International Multi-Conference on Systems, Signals & Devices (SSD14)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://diposit.ub.edu/dspace/bitstream/2445/188026/1/2014_IEEE_Adaptive_MarcoS_postprint.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5071558152","display_name":"Sergio Oller Moreno","orcid":"https://orcid.org/0000-0002-8994-1549"},"institutions":[{"id":"https://openalex.org/I4210147769","display_name":"Institute for Bioengineering of Catalonia","ror":"https://ror.org/056h71x09","country_code":"ES","type":"facility","lineage":["https://openalex.org/I4210132884","https://openalex.org/I4210147769","https://openalex.org/I4387153040"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Sergio Oller-Moreno","raw_affiliation_strings":["Signal and Information Processing for Sensing Systems, Institute for Bioengineering of Catalonia, Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Signal and Information Processing for Sensing Systems, Institute for Bioengineering of Catalonia, Barcelona, Spain","institution_ids":["https://openalex.org/I4210147769"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059311736","display_name":"Antonio Pardo","orcid":"https://orcid.org/0000-0003-4369-544X"},"institutions":[{"id":"https://openalex.org/I71999127","display_name":"Universitat de Barcelona","ror":"https://ror.org/021018s57","country_code":"ES","type":"education","lineage":["https://openalex.org/I71999127"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Antonio Pardo","raw_affiliation_strings":["Dept. Electronics, University of Barcelona, Barcelona, Spain","Dept. Electronics, University of Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Dept. Electronics, University of Barcelona, Barcelona, Spain","institution_ids":["https://openalex.org/I71999127"]},{"raw_affiliation_string":"Dept. Electronics, University of Barcelona, Spain","institution_ids":["https://openalex.org/I71999127"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002991970","display_name":"Juan Manuel Jim\u00e9nez\u2010Soto","orcid":null},"institutions":[{"id":"https://openalex.org/I4210147769","display_name":"Institute for Bioengineering of Catalonia","ror":"https://ror.org/056h71x09","country_code":"ES","type":"facility","lineage":["https://openalex.org/I4210132884","https://openalex.org/I4210147769","https://openalex.org/I4387153040"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Juan Manuel Jimenez-Soto","raw_affiliation_strings":["Signal and Information Processing for Sensing Systems, Institute for Bioengineering of Catalonia, Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Signal and Information Processing for Sensing Systems, Institute for Bioengineering of Catalonia, Barcelona, Spain","institution_ids":["https://openalex.org/I4210147769"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062496093","display_name":"Josep Samitier","orcid":"https://orcid.org/0000-0002-1140-3679"},"institutions":[{"id":"https://openalex.org/I4210147769","display_name":"Institute for Bioengineering of Catalonia","ror":"https://ror.org/056h71x09","country_code":"ES","type":"facility","lineage":["https://openalex.org/I4210132884","https://openalex.org/I4210147769","https://openalex.org/I4387153040"]},{"id":"https://openalex.org/I71999127","display_name":"Universitat de Barcelona","ror":"https://ror.org/021018s57","country_code":"ES","type":"education","lineage":["https://openalex.org/I71999127"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Josep Samitier","raw_affiliation_strings":["Nanobiotechnology, Institute for Bioengineering of Catalonia, Barcelona, Spain","Dept. Electronics, University of Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Nanobiotechnology, Institute for Bioengineering of Catalonia, Barcelona, Spain","institution_ids":["https://openalex.org/I4210147769"]},{"raw_affiliation_string":"Dept. Electronics, University of Barcelona, Spain","institution_ids":["https://openalex.org/I71999127"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064169996","display_name":"Santiago Marco","orcid":"https://orcid.org/0000-0003-2663-2965"},"institutions":[{"id":"https://openalex.org/I4210147769","display_name":"Institute for Bioengineering of Catalonia","ror":"https://ror.org/056h71x09","country_code":"ES","type":"facility","lineage":["https://openalex.org/I4210132884","https://openalex.org/I4210147769","https://openalex.org/I4387153040"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Santiago Marco","raw_affiliation_strings":["Signal and Information Processing for Sensing Systems, Institute for Bioengineering of Catalonia, Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Signal and Information Processing for Sensing Systems, Institute for Bioengineering of Catalonia, Barcelona, Spain","institution_ids":["https://openalex.org/I4210147769"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5071558152"],"corresponding_institution_ids":["https://openalex.org/I4210147769"],"apc_list":null,"apc_paid":null,"fwci":0.2891,"has_fulltext":true,"cited_by_count":19,"citation_normalized_percentile":{"value":0.57261913,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10640","display_name":"Spectroscopy and Chemometric Analyses","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10640","display_name":"Spectroscopy and Chemometric Analyses","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10876","display_name":"Fault Detection and Control Systems","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T11236","display_name":"Control Systems and Identification","score":0.9904000163078308,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/baseline","display_name":"Baseline (sea)","score":0.7073794603347778},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5482502579689026},{"id":"https://openalex.org/keywords/least-squares-function-approximation","display_name":"Least-squares function approximation","score":0.5115943551063538},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5036143660545349},{"id":"https://openalex.org/keywords/mass-spectrometry","display_name":"Mass spectrometry","score":0.4834914803504944},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.45035749673843384},{"id":"https://openalex.org/keywords/instrumentation","display_name":"Instrumentation (computer programming)","score":0.43954741954803467},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.42372769117355347},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.32493728399276733},{"id":"https://openalex.org/keywords/chromatography","display_name":"Chromatography","score":0.25811174511909485},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2200556993484497},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.2036040723323822},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1870819330215454}],"concepts":[{"id":"https://openalex.org/C12725497","wikidata":"https://www.wikidata.org/wiki/Q810247","display_name":"Baseline (sea)","level":2,"score":0.7073794603347778},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5482502579689026},{"id":"https://openalex.org/C9936470","wikidata":"https://www.wikidata.org/wiki/Q6510405","display_name":"Least-squares function approximation","level":3,"score":0.5115943551063538},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5036143660545349},{"id":"https://openalex.org/C162356407","wikidata":"https://www.wikidata.org/wiki/Q180809","display_name":"Mass spectrometry","level":2,"score":0.4834914803504944},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.45035749673843384},{"id":"https://openalex.org/C118530786","wikidata":"https://www.wikidata.org/wiki/Q1134732","display_name":"Instrumentation (computer programming)","level":2,"score":0.43954741954803467},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.42372769117355347},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.32493728399276733},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.25811174511909485},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2200556993484497},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.2036040723323822},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1870819330215454},{"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/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","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/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/ssd.2014.6808837","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ssd.2014.6808837","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE 11th International Multi-Conference on Systems, Signals & Devices (SSD14)","raw_type":"proceedings-article"},{"id":"pmh:oai:diposit.ub.edu:2445/188026","is_oa":true,"landing_page_url":"http://hdl.handle.net/2445/188026","pdf_url":"https://diposit.ub.edu/dspace/bitstream/2445/188026/1/2014_IEEE_Adaptive_MarcoS_postprint.pdf","source":{"id":"https://openalex.org/S4306401653","display_name":"Dip\u00f2sit Digital de la Universitat de Barcelona (Universitat de Barcelona)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I71999127","host_organization_name":"Universitat de Barcelona","host_organization_lineage":["https://openalex.org/I71999127"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Comunicacions a congressos (Enginyeria Electr\u00f2nica i Biom\u00e8dica)","raw_type":"info:eu-repo/semantics/acceptedVersion"}],"best_oa_location":{"id":"pmh:oai:diposit.ub.edu:2445/188026","is_oa":true,"landing_page_url":"http://hdl.handle.net/2445/188026","pdf_url":"https://diposit.ub.edu/dspace/bitstream/2445/188026/1/2014_IEEE_Adaptive_MarcoS_postprint.pdf","source":{"id":"https://openalex.org/S4306401653","display_name":"Dip\u00f2sit Digital de la Universitat de Barcelona (Universitat de Barcelona)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I71999127","host_organization_name":"Universitat de Barcelona","host_organization_lineage":["https://openalex.org/I71999127"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Comunicacions a congressos (Enginyeria Electr\u00f2nica i Biom\u00e8dica)","raw_type":"info:eu-repo/semantics/acceptedVersion"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1965524645.pdf","grobid_xml":"https://content.openalex.org/works/W1965524645.grobid-xml"},"referenced_works_count":9,"referenced_works":["https://openalex.org/W619450810","https://openalex.org/W1967542684","https://openalex.org/W2005210661","https://openalex.org/W2016365402","https://openalex.org/W2042590947","https://openalex.org/W2071363760","https://openalex.org/W2089370605","https://openalex.org/W2093767384","https://openalex.org/W2150544808"],"related_works":["https://openalex.org/W2383111961","https://openalex.org/W2365952365","https://openalex.org/W2352448290","https://openalex.org/W2380820513","https://openalex.org/W2913146933","https://openalex.org/W2372385138","https://openalex.org/W4296359239","https://openalex.org/W1557905920","https://openalex.org/W2043093291","https://openalex.org/W2101155126"],"abstract_inverted_index":{"Automated":[0],"signal":[1],"processing":[2],"in":[3,60,87,136],"analytical":[4],"instrumentation":[5],"is":[6,100],"today":[7],"required":[8],"for":[9,34],"the":[10,42,55,68,88,96,128,132,144,155],"analysis":[11],"of":[12,64,67,90,102,131,154],"highly":[13],"complex":[14],"biomedical":[15],"samples.":[16],"Baseline":[17],"estimation":[18,44],"techniques":[19,105],"are":[20,32],"often":[21],"used":[22],"to":[23,47,54,95,127,138,151,175],"correct":[24],"long":[25],"term":[26],"instrument":[27],"contamination":[28],"or":[29,112],"degradation.":[30],"They":[31],"essential":[33],"accurate":[35,181],"peak":[36,182],"area":[37],"integration.":[38],"Some":[39],"methods":[40],"approach":[41],"baseline":[43,73],"iteratively,":[45],"trying":[46],"ignore":[48],"peaks":[49,92,142],"which":[50],"do":[51],"not":[52],"belong":[53],"baseline.":[56,145],"The":[57,81],"proposed":[58],"method":[59,135,147],"this":[61,119],"work":[62],"consists":[63],"a":[65,123],"modification":[66,124],"Asymmetric":[69],"Least":[70],"Squares":[71],"(ALS)":[72],"removal":[74],"technique":[75,83],"developed":[76],"by":[77],"Eilers":[78],"and":[79,160,178],"Boelens.":[80],"ALS":[82,134,156],"suffers":[84],"from":[85],"bias":[86],"presence":[89],"intense":[91],"(in":[93],"relation":[94],"noise":[97],"level).":[98],"This":[99],"typical":[101],"diverse":[103],"instrumental":[104],"such":[106],"as":[107],"Gas":[108,113],"Chromatography-Mass":[109],"Spectrometry":[110,116],"(GC-MS)":[111],"Chromatography-Ion":[114],"Mobility":[115],"(GC-IMS).":[117],"In":[118],"work,":[120],"we":[121],"propose":[122],"(named":[125],"psalsa)":[126],"asymmetry":[129],"weights":[130],"original":[133],"order":[137],"better":[139],"reject":[140],"large":[141],"above":[143],"Our":[146],"will":[148],"be":[149],"compared":[150],"several":[152],"versions":[153,171],"algorithm":[157],"using":[158],"synthetic":[159],"real":[161],"GC":[162],"signals.":[163],"Results":[164],"show":[165],"that":[166],"our":[167],"proposal":[168],"improves":[169],"previous":[170],"being":[172],"more":[173,180],"robust":[174],"parameter":[176],"variations":[177],"providing":[179],"areas.":[183]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}