{"id":"https://openalex.org/W4412722494","doi":"https://doi.org/10.1109/tim.2025.3593517","title":"NMR Spectra Denoising With Vandermonde Constraints","display_name":"NMR Spectra Denoising With Vandermonde Constraints","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4412722494","doi":"https://doi.org/10.1109/tim.2025.3593517"},"language":"en","primary_location":{"id":"doi:10.1109/tim.2025.3593517","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2025.3593517","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"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 Instrumentation and Measurement","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/A5063573457","display_name":"Di Guo","orcid":"https://orcid.org/0000-0002-9910-5720"},"institutions":[{"id":"https://openalex.org/I75867142","display_name":"Xiamen University of Technology","ror":"https://ror.org/01285e189","country_code":"CN","type":"education","lineage":["https://openalex.org/I75867142"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Di Guo","raw_affiliation_strings":["School of Computer and Information Engineering, Fujian Engineering Research Center for Medical Data Mining and Application, Xiamen University of Technology, Xiamen, China","Fujian Engineering Research Center for Medical Data Mining and Application, School of Computer and Information Engineering, Xiamen University of Technology, Xiamen, China"],"affiliations":[{"raw_affiliation_string":"School of Computer and Information Engineering, Fujian Engineering Research Center for Medical Data Mining and Application, Xiamen University of Technology, Xiamen, China","institution_ids":["https://openalex.org/I75867142"]},{"raw_affiliation_string":"Fujian Engineering Research Center for Medical Data Mining and Application, School of Computer and Information Engineering, Xiamen University of Technology, Xiamen, China","institution_ids":["https://openalex.org/I75867142"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005453081","display_name":"Runmin Xu","orcid":null},"institutions":[{"id":"https://openalex.org/I75867142","display_name":"Xiamen University of Technology","ror":"https://ror.org/01285e189","country_code":"CN","type":"education","lineage":["https://openalex.org/I75867142"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Runmin Xu","raw_affiliation_strings":["School of Computer and Information Engineering, Fujian Engineering Research Center for Medical Data Mining and Application, Xiamen University of Technology, Xiamen, China","Fujian Engineering Research Center for Medical Data Mining and Application, School of Computer and Information Engineering, Xiamen University of Technology, Xiamen, China"],"affiliations":[{"raw_affiliation_string":"School of Computer and Information Engineering, Fujian Engineering Research Center for Medical Data Mining and Application, Xiamen University of Technology, Xiamen, China","institution_ids":["https://openalex.org/I75867142"]},{"raw_affiliation_string":"Fujian Engineering Research Center for Medical Data Mining and Application, School of Computer and Information Engineering, Xiamen University of Technology, Xiamen, China","institution_ids":["https://openalex.org/I75867142"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104200049","display_name":"Jialue Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jialue Zhang","raw_affiliation_strings":["Department of Electronic Science, Fujian Provincial Key Laboratory of Plasma and Magnetic Resonance, Xiamen University, Xiamen, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Science, Fujian Provincial Key Laboratory of Plasma and Magnetic Resonance, Xiamen University, Xiamen, China","institution_ids":["https://openalex.org/I191208505"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055455584","display_name":"Jingxuan Zeng","orcid":null},"institutions":[{"id":"https://openalex.org/I75867142","display_name":"Xiamen University of Technology","ror":"https://ror.org/01285e189","country_code":"CN","type":"education","lineage":["https://openalex.org/I75867142"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jingxuan Zeng","raw_affiliation_strings":["School of Computer and Information Engineering, Fujian Engineering Research Center for Medical Data Mining and Application, Xiamen University of Technology, Xiamen, China","Fujian Engineering Research Center for Medical Data Mining and Application, School of Computer and Information Engineering, Xiamen University of Technology, Xiamen, China"],"affiliations":[{"raw_affiliation_string":"School of Computer and Information Engineering, Fujian Engineering Research Center for Medical Data Mining and Application, Xiamen University of Technology, Xiamen, China","institution_ids":["https://openalex.org/I75867142"]},{"raw_affiliation_string":"Fujian Engineering Research Center for Medical Data Mining and Application, School of Computer and Information Engineering, Xiamen University of Technology, Xiamen, China","institution_ids":["https://openalex.org/I75867142"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042228071","display_name":"Tianyu Qiu","orcid":"https://orcid.org/0000-0002-6102-8627"},"institutions":[{"id":"https://openalex.org/I75867142","display_name":"Xiamen University of Technology","ror":"https://ror.org/01285e189","country_code":"CN","type":"education","lineage":["https://openalex.org/I75867142"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianyu Qiu","raw_affiliation_strings":["School of Computer and Information Engineering, Fujian Engineering Research Center for Medical Data Mining and Application, Xiamen University of Technology, Xiamen, China","Fujian Engineering Research Center for Medical Data Mining and Application, School of Computer and Information Engineering, Xiamen University of Technology, Xiamen, China"],"affiliations":[{"raw_affiliation_string":"School of Computer and Information Engineering, Fujian Engineering Research Center for Medical Data Mining and Application, Xiamen University of Technology, Xiamen, China","institution_ids":["https://openalex.org/I75867142"]},{"raw_affiliation_string":"Fujian Engineering Research Center for Medical Data Mining and Application, School of Computer and Information Engineering, Xiamen University of Technology, Xiamen, China","institution_ids":["https://openalex.org/I75867142"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103061189","display_name":"Jinyu Wu","orcid":"https://orcid.org/0000-0002-0998-7580"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinyu Wu","raw_affiliation_strings":["Department of Electronic Science, Fujian Provincial Key Laboratory of Plasma and Magnetic Resonance, Xiamen University, Xiamen, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Science, Fujian Provincial Key Laboratory of Plasma and Magnetic Resonance, Xiamen University, Xiamen, China","institution_ids":["https://openalex.org/I191208505"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102829394","display_name":"Meijin Lin","orcid":"https://orcid.org/0009-0005-7660-8359"},"institutions":[{"id":"https://openalex.org/I75867142","display_name":"Xiamen University of Technology","ror":"https://ror.org/01285e189","country_code":"CN","type":"education","lineage":["https://openalex.org/I75867142"]},{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Meijin Lin","raw_affiliation_strings":["Department of Applied Marine Physics and Engineering, Xiamen University, Xiamen, China"],"affiliations":[{"raw_affiliation_string":"Department of Applied Marine Physics and Engineering, Xiamen University, Xiamen, China","institution_ids":["https://openalex.org/I191208505","https://openalex.org/I75867142"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101487405","display_name":"Xiaofeng Du","orcid":"https://orcid.org/0000-0002-6582-6423"},"institutions":[{"id":"https://openalex.org/I75867142","display_name":"Xiamen University of Technology","ror":"https://ror.org/01285e189","country_code":"CN","type":"education","lineage":["https://openalex.org/I75867142"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaofeng Du","raw_affiliation_strings":["School of Computer and Information Engineering, Fujian Engineering Research Center for Medical Data Mining and Application, Xiamen University of Technology, Xiamen, China","Fujian Engineering Research Center for Medical Data Mining and Application, School of Computer and Information Engineering, Xiamen University of Technology, Xiamen, China"],"affiliations":[{"raw_affiliation_string":"School of Computer and Information Engineering, Fujian Engineering Research Center for Medical Data Mining and Application, Xiamen University of Technology, Xiamen, China","institution_ids":["https://openalex.org/I75867142"]},{"raw_affiliation_string":"Fujian Engineering Research Center for Medical Data Mining and Application, School of Computer and Information Engineering, Xiamen University of Technology, Xiamen, China","institution_ids":["https://openalex.org/I75867142"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062309027","display_name":"Xiaobo Qu","orcid":"https://orcid.org/0000-0002-8675-5820"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaobo Qu","raw_affiliation_strings":["Department of Electronic Science, Fujian Provincial Key Laboratory of Plasma and Magnetic Resonance, Xiamen University, Xiamen, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Science, Fujian Provincial Key Laboratory of Plasma and Magnetic Resonance, Xiamen University, Xiamen, China","institution_ids":["https://openalex.org/I191208505"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":9,"corresponding_author_ids":["https://openalex.org/A5063573457"],"corresponding_institution_ids":["https://openalex.org/I75867142"],"apc_list":null,"apc_paid":null,"fwci":2.0733,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.88440577,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"74","issue":null,"first_page":"1","last_page":"13"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12603","display_name":"NMR spectroscopy and applications","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12603","display_name":"NMR spectroscopy and applications","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10378","display_name":"Advanced MRI Techniques and Applications","score":0.9908999800682068,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9710000157356262,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/vandermonde-matrix","display_name":"Vandermonde matrix","score":0.756804883480072},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.5748745203018188},{"id":"https://openalex.org/keywords/spectral-line","display_name":"Spectral line","score":0.5435483455657959},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4604978561401367},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.34617534279823303},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2994915843009949},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.24345919489860535}],"concepts":[{"id":"https://openalex.org/C55294529","wikidata":"https://www.wikidata.org/wiki/Q579544","display_name":"Vandermonde matrix","level":3,"score":0.756804883480072},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.5748745203018188},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.5435483455657959},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4604978561401367},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.34617534279823303},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2994915843009949},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.24345919489860535},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tim.2025.3593517","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2025.3593517","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"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 Instrumentation and Measurement","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/13","display_name":"Climate action","score":0.4300000071525574}],"awards":[{"id":"https://openalex.org/G3528723070","display_name":null,"funder_award_id":"62371410","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7446144011","display_name":null,"funder_award_id":"62331021","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"},{"id":"https://openalex.org/F4320329228","display_name":"Science Research Foundation of Xijing University","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W274009555","https://openalex.org/W1967486001","https://openalex.org/W2015549368","https://openalex.org/W2036695884","https://openalex.org/W2068298805","https://openalex.org/W2071516236","https://openalex.org/W2094597486","https://openalex.org/W2109163609","https://openalex.org/W2118682956","https://openalex.org/W2120364003","https://openalex.org/W2164278908","https://openalex.org/W2170798597","https://openalex.org/W2339621810","https://openalex.org/W2738476949","https://openalex.org/W2891589246","https://openalex.org/W2937770086","https://openalex.org/W2961598920","https://openalex.org/W3049507799","https://openalex.org/W3085691116","https://openalex.org/W3118187776","https://openalex.org/W3180046493","https://openalex.org/W3197057273","https://openalex.org/W3197273387","https://openalex.org/W4206224134","https://openalex.org/W4206447491","https://openalex.org/W4237851199","https://openalex.org/W4312869620","https://openalex.org/W4322707144","https://openalex.org/W4380143058","https://openalex.org/W4388739185","https://openalex.org/W4392910004"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2394313973","https://openalex.org/W1258664604","https://openalex.org/W4285223790","https://openalex.org/W2952052090","https://openalex.org/W4293585078","https://openalex.org/W2389636997","https://openalex.org/W2349018871"],"abstract_inverted_index":{"Nuclear":[0],"magnetic":[1],"resonance":[2],"(NMR)":[3],"spectroscopy":[4],"serves":[5],"as":[6],"an":[7,66],"important":[8],"tool":[9],"to":[10,50],"analyze":[11],"chemicals":[12],"and":[13,116,124,126,154,160,182,186],"proteins":[14],"in":[15,46,57,138,156,168],"bioengineering.":[16],"However,":[17],"NMR":[18,30,47,55],"signals":[19,31,56],"are":[20],"usually":[21],"contaminated":[22],"by":[23,73,109],"noise,":[24],"affecting":[25],"subsequent":[26],"quantitative":[27],"analysis.":[28],"Denoising":[29],"has":[32,42],"become":[33],"a":[34,80],"long-time":[35],"concern.":[36],"The":[37],"low-rank":[38,68],"Hankel":[39,69],"matrix":[40,70],"assumption":[41],"been":[43],"widely":[44],"used":[45],"denoising":[48,180],"due":[49],"damped":[51],"exponential":[52,76],"model":[53],"of":[54,136],"the":[58,75,105,127,133,149,157,161,169,178,183],"time":[59],"domain.":[60],"In":[61],"this":[62],"work,":[63],"we":[64],"propose":[65],"improved":[67],"reconstruction,":[71],"CHORD-V,":[72],"maintaining":[74],"signal":[77,158],"form":[78],"with":[79],"Vandermonde":[81],"factorization.":[82],"Experimental":[83],"results":[84],"show":[85],"that,":[86],"under":[87],"high":[88],"noise":[89],"standard":[90],"deviation":[91],"0.06":[92],"for":[93,165],"10":[94,98,139],"synthetic":[95,140],"data":[96],"(or":[97,111,114,118],"real":[99],"human":[100],"metabolite":[101],"spectra),":[102],"CHORD-V":[103,147,176],"reduces":[104],"normalized":[106],"root-mean-square":[107],"error":[108,163],"24%":[110],"71%),":[112],"28%":[113],"56%)":[115],"8%":[117],"21%)":[119],"than":[120],"typical":[121],"methods,":[122],"Cadzow":[123],"rQRd,":[125],"state-of-the-art":[128],"method,":[129],"CHORD,":[130],"respectively.":[131],"For":[132],"relative":[134],"errors":[135,151],"peaks":[137,167],"data,":[141],"including":[142],"peak":[143,188],"height,":[144],"position,":[145],"correlation,":[146],"offers":[148],"lowest":[150,179],"0.039,":[152],"0.004":[153],"0.048":[155],"region,":[159],"smallest":[162],"0.123":[164],"fake":[166],"non-signal":[170],"region.":[171],"All":[172],"experiments":[173],"demonstrate":[174],"that":[175],"provides":[177],"error,":[181],"most":[184],"balanced":[185],"better":[187],"criteria.":[189]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-03-10T16:38:18.471706","created_date":"2025-10-10T00:00:00"}