{"id":"https://openalex.org/W1991532656","doi":"https://doi.org/10.1109/icassp.2013.6638861","title":"Estimating multiple pitches using block sparsity","display_name":"Estimating multiple pitches using block sparsity","publication_year":2013,"publication_date":"2013-05-01","ids":{"openalex":"https://openalex.org/W1991532656","doi":"https://doi.org/10.1109/icassp.2013.6638861","mag":"1991532656"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2013.6638861","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2013.6638861","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://vbn.aau.dk/files/195542379/blockpitch.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5038100557","display_name":"Stefan Ingi Adalbj\u00f6rnsson","orcid":"https://orcid.org/0000-0003-0403-1544"},"institutions":[{"id":"https://openalex.org/I1279596006","display_name":"Statistics Sweden","ror":"https://ror.org/05x7wz523","country_code":"SE","type":"government","lineage":["https://openalex.org/I1279596006"]},{"id":"https://openalex.org/I187531555","display_name":"Lund University","ror":"https://ror.org/012a77v79","country_code":"SE","type":"education","lineage":["https://openalex.org/I187531555"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"S. I. Adalbjornsson","raw_affiliation_strings":["Department of Mathematical Statistics, Lund University, Sweden","Dept. of Math. Stat., Lund Univ., Lund, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematical Statistics, Lund University, Sweden","institution_ids":["https://openalex.org/I1279596006","https://openalex.org/I187531555"]},{"raw_affiliation_string":"Dept. of Math. Stat., Lund Univ., Lund, Sweden","institution_ids":["https://openalex.org/I1279596006","https://openalex.org/I187531555"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037213595","display_name":"Andreas Jakobsson","orcid":"https://orcid.org/0000-0002-2156-6973"},"institutions":[{"id":"https://openalex.org/I1279596006","display_name":"Statistics Sweden","ror":"https://ror.org/05x7wz523","country_code":"SE","type":"government","lineage":["https://openalex.org/I1279596006"]},{"id":"https://openalex.org/I187531555","display_name":"Lund University","ror":"https://ror.org/012a77v79","country_code":"SE","type":"education","lineage":["https://openalex.org/I187531555"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"A. Jakobsson","raw_affiliation_strings":["Department of Mathematical Statistics, Lund University, Sweden","Dept. of Math. Stat., Lund Univ., Lund, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematical Statistics, Lund University, Sweden","institution_ids":["https://openalex.org/I1279596006","https://openalex.org/I187531555"]},{"raw_affiliation_string":"Dept. of Math. Stat., Lund Univ., Lund, Sweden","institution_ids":["https://openalex.org/I1279596006","https://openalex.org/I187531555"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026658144","display_name":"Mads Gr\u00e6sb\u00f8ll Christensen","orcid":"https://orcid.org/0000-0003-3586-7969"},"institutions":[{"id":"https://openalex.org/I891191580","display_name":"Aalborg University","ror":"https://ror.org/04m5j1k67","country_code":"DK","type":"education","lineage":["https://openalex.org/I891191580"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"M. G. Christensen","raw_affiliation_strings":["Audio Analysis Laboratory, Department of Arch., Design & Media Technology, Aalborg University, Denmark","Dept. of Arch., Design & Media Technol., Aalborg Univ., Aalborg, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Audio Analysis Laboratory, Department of Arch., Design & Media Technology, Aalborg University, Denmark","institution_ids":["https://openalex.org/I891191580"]},{"raw_affiliation_string":"Dept. of Arch., Design & Media Technol., Aalborg Univ., Aalborg, Denmark","institution_ids":["https://openalex.org/I891191580"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":17,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"6220","last_page":"6224"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10534","display_name":"Structural Health Monitoring Techniques","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural 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/T10534","display_name":"Structural Health Monitoring Techniques","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural 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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9991000294685364,"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9987000226974487,"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/block","display_name":"Block (permutation group theory)","score":0.7261338233947754},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.6346569657325745},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6106339693069458},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5884485244750977},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5450783371925354},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.49561798572540283},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.43360504508018494},{"id":"https://openalex.org/keywords/audio-signal","display_name":"Audio signal","score":0.4319639503955841},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.34129539132118225},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3053770065307617},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.2775227129459381},{"id":"https://openalex.org/keywords/speech-coding","display_name":"Speech coding","score":0.13541072607040405},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08456853032112122}],"concepts":[{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.7261338233947754},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.6346569657325745},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6106339693069458},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5884485244750977},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5450783371925354},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.49561798572540283},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.43360504508018494},{"id":"https://openalex.org/C64922751","wikidata":"https://www.wikidata.org/wiki/Q4650799","display_name":"Audio signal","level":3,"score":0.4319639503955841},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.34129539132118225},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3053770065307617},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.2775227129459381},{"id":"https://openalex.org/C13895895","wikidata":"https://www.wikidata.org/wiki/Q3270773","display_name":"Speech coding","level":2,"score":0.13541072607040405},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08456853032112122},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"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/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.2013.6638861","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2013.6638861","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:pure.atira.dk:publications/03f4b264-fff7-4b5d-b8f7-9cd18abd2095","is_oa":true,"landing_page_url":"https://vbn.aau.dk/da/publications/03f4b264-fff7-4b5d-b8f7-9cd18abd2095","pdf_url":"https://vbn.aau.dk/files/195542379/blockpitch.pdf","source":{"id":"https://openalex.org/S4306401731","display_name":"VBN Forskningsportal (Aalborg Universitet)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I891191580","host_organization_name":"Aalborg University","host_organization_lineage":["https://openalex.org/I891191580"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"pmh:oai:pure.atira.dk:publications/03f4b264-fff7-4b5d-b8f7-9cd18abd2095","is_oa":true,"landing_page_url":"https://vbn.aau.dk/da/publications/03f4b264-fff7-4b5d-b8f7-9cd18abd2095","pdf_url":"https://vbn.aau.dk/files/195542379/blockpitch.pdf","source":{"id":"https://openalex.org/S4306401731","display_name":"VBN Forskningsportal (Aalborg Universitet)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I891191580","host_organization_name":"Aalborg University","host_organization_lineage":["https://openalex.org/I891191580"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1991532656.pdf","grobid_xml":"https://content.openalex.org/works/W1991532656.grobid-xml"},"referenced_works_count":19,"referenced_works":["https://openalex.org/W1814500939","https://openalex.org/W1967073510","https://openalex.org/W1993064527","https://openalex.org/W2018962290","https://openalex.org/W2066459185","https://openalex.org/W2101407571","https://openalex.org/W2111730426","https://openalex.org/W2113328646","https://openalex.org/W2113642685","https://openalex.org/W2120954484","https://openalex.org/W2123457453","https://openalex.org/W2138019504","https://openalex.org/W2163398818","https://openalex.org/W2164278908","https://openalex.org/W2172485033","https://openalex.org/W2323785876","https://openalex.org/W4292363360","https://openalex.org/W4299729612","https://openalex.org/W6701306765"],"related_works":["https://openalex.org/W2372403409","https://openalex.org/W4242726756","https://openalex.org/W144832045","https://openalex.org/W1979328687","https://openalex.org/W2132049714","https://openalex.org/W2034641747","https://openalex.org/W2003949892","https://openalex.org/W2884713252","https://openalex.org/W4205201129","https://openalex.org/W1964925579"],"abstract_inverted_index":{"We":[0],"study":[1],"the":[2,6,25,33,48,53],"problem":[3],"of":[4,9,24,43,47,52],"estimating":[5],"fundamental":[7],"frequencies":[8],"a":[10,19],"signal":[11,26],"containing":[12],"multiple":[13],"harmonically":[14],"related":[15],"sinusoidal":[16],"signals":[17],"using":[18,63],"novel":[20],"block":[21],"sparsity":[22],"representation":[23],"model.":[27],"An":[28],"efficient":[29],"algorithm":[30],"for":[31],"solving":[32],"resulting":[34],"optimization":[35],"is":[36,61],"devised":[37],"exploiting":[38],"an":[39],"alternating":[40],"directions":[41],"method":[42],"multipliers":[44],"(ADMM)":[45],"formulation":[46],"problem.":[49],"The":[50],"superiority":[51],"proposed":[54],"method,":[55],"as":[56],"compared":[57],"to":[58],"earlier":[59],"methods,":[60],"demonstrated":[62],"both":[64],"simulated":[65],"and":[66],"measured":[67],"audio":[68],"signals.":[69]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-19T07:52:34.831488","created_date":"2025-10-10T00:00:00"}
