{"id":"https://openalex.org/W2171380770","doi":"https://doi.org/10.1109/memea.2012.6226643","title":"Dual-tree complex wavelet transform for motion artifact reduction of PPG signals","display_name":"Dual-tree complex wavelet transform for motion artifact reduction of PPG signals","publication_year":2012,"publication_date":"2012-05-01","ids":{"openalex":"https://openalex.org/W2171380770","doi":"https://doi.org/10.1109/memea.2012.6226643","mag":"2171380770"},"language":"en","primary_location":{"id":"doi:10.1109/memea.2012.6226643","is_oa":false,"landing_page_url":"https://doi.org/10.1109/memea.2012.6226643","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Symposium on Medical Measurements and Applications Proceedings","raw_type":"proceedings-article"},"type":"conference-paper","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/A5112234473","display_name":"M. Raghuram","orcid":null},"institutions":[{"id":"https://openalex.org/I28210344","display_name":"Kakatiya University","ror":"https://ror.org/012zpbg81","country_code":"IN","type":"education","lineage":["https://openalex.org/I28210344"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"M. Raghuram","raw_affiliation_strings":["Dept. of E&I Engg., Kakatiya Institute of Technology & Science, Warangal, Andhra Pradesh, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of E&I Engg., Kakatiya Institute of Technology & Science, Warangal, Andhra Pradesh, India","institution_ids":["https://openalex.org/I28210344"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112838246","display_name":"K. Venu Madhav","orcid":null},"institutions":[{"id":"https://openalex.org/I28210344","display_name":"Kakatiya University","ror":"https://ror.org/012zpbg81","country_code":"IN","type":"education","lineage":["https://openalex.org/I28210344"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"K. Venu Madhav","raw_affiliation_strings":["Dept. of E&I Engg., Kakatiya Institute of Technology & Science, Warangal, Andhra Pradesh, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of E&I Engg., Kakatiya Institute of Technology & Science, Warangal, Andhra Pradesh, India","institution_ids":["https://openalex.org/I28210344"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074340054","display_name":"E. Hari Krishna","orcid":"https://orcid.org/0000-0001-6668-7245"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"E. Hari Krishna","raw_affiliation_strings":["Kakatiya University, Warangal, Telangana, IN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kakatiya University, Warangal, Telangana, IN","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019391678","display_name":"Nagarjuna Reddy Komalla","orcid":"https://orcid.org/0000-0002-4943-9669"},"institutions":[{"id":"https://openalex.org/I4405262917","display_name":"Kakatiya Medical College","ror":"https://ror.org/002aj6f72","country_code":"IN","type":"education","lineage":["https://openalex.org/I4405262917"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Nagarjuna Reddy Komalla","raw_affiliation_strings":["Kakatiya Medical College, Warangal, Telangana, IN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kakatiya Medical College, Warangal, Telangana, IN","institution_ids":["https://openalex.org/I4405262917"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042982346","display_name":"K. Sivani","orcid":"https://orcid.org/0000-0001-7412-1866"},"institutions":[{"id":"https://openalex.org/I94415630","display_name":"Sri Padmavati Mahila Visvavidyalayam","ror":"https://ror.org/02zptxe07","country_code":"IN","type":"education","lineage":["https://openalex.org/I94415630"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Kosaraju Sivani","raw_affiliation_strings":["Dept. of ECE, Talla Padmavathi College of Engg., Kazipet, Andhra Pradesh, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of ECE, Talla Padmavathi College of Engg., Kazipet, Andhra Pradesh, India","institution_ids":["https://openalex.org/I94415630"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108078990","display_name":"K. Ashoka Reddy","orcid":null},"institutions":[{"id":"https://openalex.org/I28210344","display_name":"Kakatiya University","ror":"https://ror.org/012zpbg81","country_code":"IN","type":"education","lineage":["https://openalex.org/I28210344"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"K. Ashoka Reddy","raw_affiliation_strings":["Dept. of E&I Engg., Kakatiya Institute of Technology & Science, Warangal, Andhra Pradesh, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of E&I Engg., Kakatiya Institute of Technology & Science, Warangal, Andhra Pradesh, India","institution_ids":["https://openalex.org/I28210344"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.9368,"has_fulltext":false,"cited_by_count":33,"citation_normalized_percentile":{"value":0.86187878,"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":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9990000128746033,"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"}},"topics":[{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9990000128746033,"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"}},{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9950000047683716,"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"}},{"id":"https://openalex.org/T13885","display_name":"Geophysics and Sensor Technology","score":0.9905999898910522,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/artifact","display_name":"Artifact (error)","score":0.7190438508987427},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6426088213920593},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6064126491546631},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.5883178114891052},{"id":"https://openalex.org/keywords/wavelet-transform","display_name":"Wavelet transform","score":0.5715111494064331},{"id":"https://openalex.org/keywords/complex-wavelet-transform","display_name":"Complex wavelet transform","score":0.5360610485076904},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5249005556106567},{"id":"https://openalex.org/keywords/dual","display_name":"Dual (grammatical number)","score":0.4998812675476074},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.48521164059638977},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.41145771741867065},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4083060324192047},{"id":"https://openalex.org/keywords/discrete-wavelet-transform","display_name":"Discrete wavelet transform","score":0.3453163206577301},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.23350438475608826}],"concepts":[{"id":"https://openalex.org/C2779010991","wikidata":"https://www.wikidata.org/wiki/Q2720909","display_name":"Artifact (error)","level":2,"score":0.7190438508987427},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6426088213920593},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6064126491546631},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.5883178114891052},{"id":"https://openalex.org/C196216189","wikidata":"https://www.wikidata.org/wiki/Q2867","display_name":"Wavelet transform","level":3,"score":0.5715111494064331},{"id":"https://openalex.org/C2777885455","wikidata":"https://www.wikidata.org/wiki/Q5156615","display_name":"Complex wavelet transform","level":5,"score":0.5360610485076904},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5249005556106567},{"id":"https://openalex.org/C2780980858","wikidata":"https://www.wikidata.org/wiki/Q110022","display_name":"Dual (grammatical number)","level":2,"score":0.4998812675476074},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.48521164059638977},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.41145771741867065},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4083060324192047},{"id":"https://openalex.org/C46286280","wikidata":"https://www.wikidata.org/wiki/Q2414958","display_name":"Discrete wavelet transform","level":4,"score":0.3453163206577301},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.23350438475608826},{"id":"https://openalex.org/C124952713","wikidata":"https://www.wikidata.org/wiki/Q8242","display_name":"Literature","level":1,"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/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/memea.2012.6226643","is_oa":false,"landing_page_url":"https://doi.org/10.1109/memea.2012.6226643","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Symposium on Medical Measurements and Applications Proceedings","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8299999833106995,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W2006752824","https://openalex.org/W2018332268","https://openalex.org/W2050755789","https://openalex.org/W2098744771","https://openalex.org/W2107718042","https://openalex.org/W2114984772","https://openalex.org/W2115093732","https://openalex.org/W2124669095","https://openalex.org/W2146587431","https://openalex.org/W2150597948"],"related_works":["https://openalex.org/W2357986102","https://openalex.org/W183670115","https://openalex.org/W1965695569","https://openalex.org/W1995151508","https://openalex.org/W4245420407","https://openalex.org/W1501179639","https://openalex.org/W3199035354","https://openalex.org/W2085792030","https://openalex.org/W1807354010","https://openalex.org/W2547029902"],"abstract_inverted_index":{"Ever":[0],"since":[1],"the":[2,21,41,56,79,86,92,97,113,138,157,178],"medical":[3],"device":[4],"pulse":[5,52,199],"oximeter":[6],"was":[7],"invented,":[8],"reliable":[9],"and":[10,64,129,188],"accurate":[11],"estimation":[12,57,80],"of":[13,24,58,81,102,116,125,137,151,159,173,185],"arterial":[14],"blood":[15],"oxygen":[16],"saturation":[17],"(SpO2),":[18],"based":[19,155],"on":[20,156],"differential":[22],"absorption":[23],"red/infrared":[25],"light":[26],"by":[27,96,134],"hemoglobin's,":[28],"has":[29],"been":[30],"a":[31,67,103,117],"challenging":[32],"task.":[33],"The":[34,105],"Photoplethysmogram":[35],"(PPG)":[36,153],"waveform,":[37],"also":[38],"known":[39],"as":[40,192],"\u201cpulse":[42],"oximetry":[43,53,200],"waveform\u201d,":[44],"is":[45,109,165],"well":[46],"recognized":[47],"for":[48,55,146,182,198],"its":[49],"use":[50],"in":[51,66,78,91,122],"applications":[54],"SpO2and":[59],"can":[60,131,189],"be":[61,132,190],"obtained":[62],"noninvasively":[63],"continuously":[65],"comfortable":[68],"manner":[69],"using":[70],"low":[71],"cost":[72],"&":[73],"portable":[74],"PPG":[75,94,123,139,186],"sensors.":[76],"Inaccuracy":[77],"SpO2may":[82],"prevail":[83],"due":[84],"to":[85],"motion":[87,147],"artifacts":[88],"(MA)":[89,149],"corruption":[90,108],"detected":[93],"signals":[95,154,187],"intentional":[98],"or":[99],"unintentional":[100],"movements":[101],"patient.":[104],"MA":[106,174,183,195],"noise":[107],"unavoidable":[110],"while":[111],"recording":[112],"PPG's":[114,176],"because":[115],"very":[118],"small":[119],"pulsatile":[120],"component":[121],"(0.1%":[124],"total":[126],"signal":[127],"amplitude)":[128],"it":[130],"reduced":[133],"suitable":[135,194],"processing":[136,172,181],"signals.":[140],"In":[141],"this":[142],"paper,":[143],"an":[144],"approach":[145],"artifact":[148],"reduction":[150,184,196],"photoplethysmographic":[152],"concept":[158],"dual-tree":[160],"complex":[161],"wavelet":[162,180],"transform":[163],"technique":[164,197],"proposed.":[166],"Experimental":[167],"results":[168],"revealed":[169],"that":[170],"DTCWT":[171],"corrupted":[175],"outperformed":[177],"db10":[179],"referred":[191],"best":[193],"applications.":[201]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":6},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}