{"id":"https://openalex.org/W4221127549","doi":"https://doi.org/10.3390/s22062305","title":"Translation-Invariant Zero-Phase Wavelet Methods for Feature Extraction in Terahertz Time-Domain Spectroscopy","display_name":"Translation-Invariant Zero-Phase Wavelet Methods for Feature Extraction in Terahertz Time-Domain Spectroscopy","publication_year":2022,"publication_date":"2022-03-16","ids":{"openalex":"https://openalex.org/W4221127549","doi":"https://doi.org/10.3390/s22062305","pmid":"https://pubmed.ncbi.nlm.nih.gov/35336476"},"language":"en","primary_location":{"id":"doi:10.3390/s22062305","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22062305","pdf_url":"https://www.mdpi.com/1424-8220/22/6/2305/pdf?version=1647509477","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/22/6/2305/pdf?version=1647509477","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5108664573","display_name":"Mahmoud E. Khani","orcid":null},"institutions":[{"id":"https://openalex.org/I59553526","display_name":"Stony Brook University","ror":"https://ror.org/05qghxh33","country_code":"US","type":"education","lineage":["https://openalex.org/I59553526"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mahmoud E. Khani","raw_affiliation_strings":["Biomedical Engineering Department, Stony Brook University, Stony Brook, NY 11790, USA"],"raw_orcid":"https://orcid.org/0000-0002-3058-6247","affiliations":[{"raw_affiliation_string":"Biomedical Engineering Department, Stony Brook University, Stony Brook, NY 11790, USA","institution_ids":["https://openalex.org/I59553526"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049013488","display_name":"M. Hassan Arbab","orcid":"https://orcid.org/0000-0002-6565-3358"},"institutions":[{"id":"https://openalex.org/I59553526","display_name":"Stony Brook University","ror":"https://ror.org/05qghxh33","country_code":"US","type":"education","lineage":["https://openalex.org/I59553526"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Mohammad Hassan Arbab","raw_affiliation_strings":["Biomedical Engineering Department, Stony Brook University, Stony Brook, NY 11790, USA"],"raw_orcid":"https://orcid.org/0000-0002-6565-3358","affiliations":[{"raw_affiliation_string":"Biomedical Engineering Department, Stony Brook University, Stony Brook, NY 11790, USA","institution_ids":["https://openalex.org/I59553526"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5049013488"],"corresponding_institution_ids":["https://openalex.org/I59553526"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":1.8466,"has_fulltext":true,"cited_by_count":20,"citation_normalized_percentile":{"value":0.84839694,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"22","issue":"6","first_page":"2305","last_page":"2305"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10752","display_name":"Terahertz technology and applications","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10752","display_name":"Terahertz technology and applications","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T11111","display_name":"Spectroscopy and Laser Applications","score":0.9632999897003174,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"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/T10299","display_name":"Photonic and Optical Devices","score":0.9524000287055969,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/discrete-wavelet-transform","display_name":"Discrete wavelet transform","score":0.7915992736816406},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.7068512439727783},{"id":"https://openalex.org/keywords/stationary-wavelet-transform","display_name":"Stationary wavelet transform","score":0.5387768149375916},{"id":"https://openalex.org/keywords/wavelet-transform","display_name":"Wavelet transform","score":0.49677449464797974},{"id":"https://openalex.org/keywords/second-generation-wavelet-transform","display_name":"Second-generation wavelet transform","score":0.45051828026771545},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4394790530204773},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.43866145610809326},{"id":"https://openalex.org/keywords/terahertz-time-domain-spectroscopy","display_name":"Terahertz time-domain spectroscopy","score":0.43785330653190613},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.436920702457428},{"id":"https://openalex.org/keywords/terahertz-radiation","display_name":"Terahertz radiation","score":0.434714138507843},{"id":"https://openalex.org/keywords/terahertz-spectroscopy-and-technology","display_name":"Terahertz spectroscopy and technology","score":0.42951443791389465},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4220956265926361},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.39287489652633667},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.3230261206626892},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.29662758111953735}],"concepts":[{"id":"https://openalex.org/C46286280","wikidata":"https://www.wikidata.org/wiki/Q2414958","display_name":"Discrete wavelet transform","level":4,"score":0.7915992736816406},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.7068512439727783},{"id":"https://openalex.org/C73339587","wikidata":"https://www.wikidata.org/wiki/Q1375942","display_name":"Stationary wavelet transform","level":5,"score":0.5387768149375916},{"id":"https://openalex.org/C196216189","wikidata":"https://www.wikidata.org/wiki/Q2867","display_name":"Wavelet transform","level":3,"score":0.49677449464797974},{"id":"https://openalex.org/C111350171","wikidata":"https://www.wikidata.org/wiki/Q7443700","display_name":"Second-generation wavelet transform","level":5,"score":0.45051828026771545},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4394790530204773},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.43866145610809326},{"id":"https://openalex.org/C205817836","wikidata":"https://www.wikidata.org/wiki/Q7701527","display_name":"Terahertz time-domain spectroscopy","level":4,"score":0.43785330653190613},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.436920702457428},{"id":"https://openalex.org/C107816215","wikidata":"https://www.wikidata.org/wiki/Q647887","display_name":"Terahertz radiation","level":2,"score":0.434714138507843},{"id":"https://openalex.org/C77887725","wikidata":"https://www.wikidata.org/wiki/Q17157147","display_name":"Terahertz spectroscopy and technology","level":3,"score":0.42951443791389465},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4220956265926361},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.39287489652633667},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3230261206626892},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.29662758111953735}],"mesh":[{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055068","descriptor_name":"Terahertz Spectroscopy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D055068","descriptor_name":"Terahertz Spectroscopy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D055068","descriptor_name":"Terahertz Spectroscopy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D055068","descriptor_name":"Terahertz Spectroscopy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D055068","descriptor_name":"Terahertz Spectroscopy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D058067","descriptor_name":"Wavelet Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D058067","descriptor_name":"Wavelet Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D058067","descriptor_name":"Wavelet Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D058067","descriptor_name":"Wavelet Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D058067","descriptor_name":"Wavelet Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":5,"locations":[{"id":"doi:10.3390/s22062305","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22062305","pdf_url":"https://www.mdpi.com/1424-8220/22/6/2305/pdf?version=1647509477","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:35336476","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/35336476","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:80b2ba19f3e0438a8dc41b28c29848bd","is_oa":true,"landing_page_url":"https://doaj.org/article/80b2ba19f3e0438a8dc41b28c29848bd","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":"Sensors, Vol 22, Iss 6, p 2305 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/22/6/2305/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s22062305","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"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":"Sensors; Volume 22; Issue 6; Pages: 2305","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:8952727","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8952727","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"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":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s22062305","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22062305","pdf_url":"https://www.mdpi.com/1424-8220/22/6/2305/pdf?version=1647509477","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2039444023","display_name":null,"funder_award_id":"GM112693","funder_id":"https://openalex.org/F4320337354","funder_display_name":"National Institute of General Medical Sciences"},{"id":"https://openalex.org/G406550927","display_name":null,"funder_award_id":"R01 GM112693","funder_id":"https://openalex.org/F4320337354","funder_display_name":"National Institute of General Medical Sciences"}],"funders":[{"id":"https://openalex.org/F4320337354","display_name":"National Institute of General Medical Sciences","ror":"https://ror.org/04q48ey07"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4221127549.pdf","grobid_xml":"https://content.openalex.org/works/W4221127549.grobid-xml"},"referenced_works_count":55,"referenced_works":["https://openalex.org/W1510019349","https://openalex.org/W1965994821","https://openalex.org/W1998314083","https://openalex.org/W2005892792","https://openalex.org/W2009208204","https://openalex.org/W2018498210","https://openalex.org/W2024064530","https://openalex.org/W2044646663","https://openalex.org/W2049348043","https://openalex.org/W2056874317","https://openalex.org/W2062519079","https://openalex.org/W2064529535","https://openalex.org/W2068456395","https://openalex.org/W2071510354","https://openalex.org/W2071842200","https://openalex.org/W2073871575","https://openalex.org/W2074697001","https://openalex.org/W2086321479","https://openalex.org/W2086948840","https://openalex.org/W2089222909","https://openalex.org/W2092062581","https://openalex.org/W2098030531","https://openalex.org/W2131993293","https://openalex.org/W2155859097","https://openalex.org/W2166378898","https://openalex.org/W2179917552","https://openalex.org/W2275015857","https://openalex.org/W2412467035","https://openalex.org/W2423037644","https://openalex.org/W2472121684","https://openalex.org/W2513344406","https://openalex.org/W2556608173","https://openalex.org/W2593494288","https://openalex.org/W2745423955","https://openalex.org/W2767189111","https://openalex.org/W2945325620","https://openalex.org/W2981631046","https://openalex.org/W2999430805","https://openalex.org/W3030843968","https://openalex.org/W3043311109","https://openalex.org/W3111731330","https://openalex.org/W3112458067","https://openalex.org/W3132565123","https://openalex.org/W3136117112","https://openalex.org/W3136708218","https://openalex.org/W3209060808","https://openalex.org/W3217358123","https://openalex.org/W4206165326","https://openalex.org/W4210608731","https://openalex.org/W4220927697","https://openalex.org/W4242638637","https://openalex.org/W4255272544","https://openalex.org/W4298352105","https://openalex.org/W6652554585","https://openalex.org/W6672767220"],"related_works":["https://openalex.org/W2085792030","https://openalex.org/W2059234650","https://openalex.org/W2101997086","https://openalex.org/W1588899229","https://openalex.org/W4310584255","https://openalex.org/W1889651196","https://openalex.org/W4249722514","https://openalex.org/W2164576153","https://openalex.org/W2037009764","https://openalex.org/W68308810"],"abstract_inverted_index":{"Wavelet":[0],"transform":[1,50,57],"is":[2,79,140],"an":[3],"important":[4],"tool":[5,182],"in":[6,29,83,129],"the":[7,20,41,45,53,62,76,88,98,103,124,144,148,153,174,178,188],"computational":[8],"signal":[9],"processing":[10],"of":[11,22,26,43,87,147,155,167,187],"terahertz":[12],"time-domain":[13],"spectroscopy":[14],"(THz-TDS)":[15],"measurements.":[16],"Despite":[17],"its":[18,93],"prevalence,":[19],"effects":[21,137],"using":[23,44,66,107,163],"different":[24,71],"forms":[25],"wavelet":[27,49,56,180],"transforms":[28],"THz-TDS":[30,165],"studies":[31],"have":[32,135],"not":[33],"been":[34],"investigated.":[35],"In":[36,114],"this":[37],"paper,":[38],"we":[39],"explore":[40],"implications":[42],"maximal":[46],"overlap":[47],"discrete":[48,55],"(MODWT)":[51],"versus":[52],"well-known":[54],"(DWT).":[58],"We":[59,151],"demonstrate":[60,96],"that":[61,97],"spectroscopic":[63],"features":[64],"extracted":[65],"DWT":[67,116,130,156],"can":[68,172],"vary":[69],"over":[70],"overlapping":[72],"frequency":[73],"ranges.":[74],"On":[75],"contrary,":[77],"MODWT":[78,108,158],"translation-invariant":[80],"and":[81,126,157,161],"results":[82],"identical":[84],"features,":[85],"regardless":[86],"spectral":[89],"range":[90],"used":[91],"for":[92,183],"implementation.We":[94],"also":[95],"details":[99,117],"coefficients":[100,118],"obtained":[101],"by":[102],"multiresolution":[104],"analysis":[105,181],"(MRA)":[106],"are":[109],"associated":[110],"with":[111],"zero-phase":[112],"filters.":[113],"contrast,":[115],"suffer":[119],"from":[120,123],"misalignments":[121,134],"originated":[122],"down-":[125],"upsampling":[127],"operations":[128],"pyramid":[131],"algorithm.":[132],"Such":[133],"adverse":[136],"when":[138],"it":[139],"critical":[141],"to":[142,176],"retain":[143],"exact":[145],"location":[146],"absorption":[149],"lines.":[150],"study":[152],"differences":[154],"both":[159],"analytically":[160],"experimentally,":[162],"reflection":[164],"measurements":[166],"\u03b1-lactose":[168],"monohydrate.":[169],"This":[170],"manuscript":[171],"guide":[173],"researchers":[175],"select":[177],"right":[179],"their":[184],"specific":[185],"application":[186],"THz":[189],"spectroscopy.":[190]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":8}],"updated_date":"2026-06-24T13:16:06.693445","created_date":"2025-10-10T00:00:00"}
