{"id":"https://openalex.org/W1995199943","doi":"https://doi.org/10.1109/icassp.2010.5495740","title":"Quasi perfect reconstruction frequency warping operator","display_name":"Quasi perfect reconstruction frequency warping operator","publication_year":2010,"publication_date":"2010-03-01","ids":{"openalex":"https://openalex.org/W1995199943","doi":"https://doi.org/10.1109/icassp.2010.5495740","mag":"1995199943"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2010.5495740","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2010.5495740","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-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/A5072045490","display_name":"Salvatore Caporale","orcid":"https://orcid.org/0000-0001-6737-6465"},"institutions":[{"id":"https://openalex.org/I9360294","display_name":"University of Bologna","ror":"https://ror.org/01111rn36","country_code":"IT","type":"education","lineage":["https://openalex.org/I9360294"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Salvatore Caporale","raw_affiliation_strings":["ARCES University of Bologna, Bologna, Italy","ARCES/DEIS University of Bologna, Viale Risorgimento 2, 40136, Italy#TAB#"],"affiliations":[{"raw_affiliation_string":"ARCES University of Bologna, Bologna, Italy","institution_ids":["https://openalex.org/I9360294"]},{"raw_affiliation_string":"ARCES/DEIS University of Bologna, Viale Risorgimento 2, 40136, Italy#TAB#","institution_ids":["https://openalex.org/I9360294"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071758029","display_name":"Luca De Marchi","orcid":"https://orcid.org/0000-0003-0637-9472"},"institutions":[{"id":"https://openalex.org/I9360294","display_name":"University of Bologna","ror":"https://ror.org/01111rn36","country_code":"IT","type":"education","lineage":["https://openalex.org/I9360294"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Luca De Marchi","raw_affiliation_strings":["ARCES University of Bologna, Bologna, Italy","ARCES/DEIS University of Bologna, Viale Risorgimento 2, 40136, Italy#TAB#"],"affiliations":[{"raw_affiliation_string":"ARCES University of Bologna, Bologna, Italy","institution_ids":["https://openalex.org/I9360294"]},{"raw_affiliation_string":"ARCES/DEIS University of Bologna, Viale Risorgimento 2, 40136, Italy#TAB#","institution_ids":["https://openalex.org/I9360294"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072703417","display_name":"N. Speciale","orcid":"https://orcid.org/0000-0003-0585-8930"},"institutions":[{"id":"https://openalex.org/I9360294","display_name":"University of Bologna","ror":"https://ror.org/01111rn36","country_code":"IT","type":"education","lineage":["https://openalex.org/I9360294"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Nicolo Speciale","raw_affiliation_strings":["ARCES University of Bologna, Bologna, Italy","ARCES/DEIS University of Bologna, Viale Risorgimento 2, 40136, Italy#TAB#"],"affiliations":[{"raw_affiliation_string":"ARCES University of Bologna, Bologna, Italy","institution_ids":["https://openalex.org/I9360294"]},{"raw_affiliation_string":"ARCES/DEIS University of Bologna, Viale Risorgimento 2, 40136, Italy#TAB#","institution_ids":["https://openalex.org/I9360294"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5072045490"],"corresponding_institution_ids":["https://openalex.org/I9360294"],"apc_list":null,"apc_paid":null,"fwci":0.3232,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.57571543,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"4098","last_page":"4101"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9980999827384949,"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"}},"topics":[{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9980999827384949,"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9927999973297119,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10378","display_name":"Advanced MRI Techniques and Applications","score":0.9878000020980835,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/image-warping","display_name":"Image warping","score":0.8610296249389648},{"id":"https://openalex.org/keywords/aliasing","display_name":"Aliasing","score":0.5830095410346985},{"id":"https://openalex.org/keywords/factorization","display_name":"Factorization","score":0.5591388940811157},{"id":"https://openalex.org/keywords/operator","display_name":"Operator (biology)","score":0.5520355105400085},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5335227847099304},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.527029812335968},{"id":"https://openalex.org/keywords/redundancy","display_name":"Redundancy (engineering)","score":0.5215168595314026},{"id":"https://openalex.org/keywords/dimension","display_name":"Dimension (graph theory)","score":0.47835081815719604},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.46731752157211304},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.35837435722351074},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.33768031001091003},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3307580351829529},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.24861934781074524}],"concepts":[{"id":"https://openalex.org/C157202957","wikidata":"https://www.wikidata.org/wiki/Q1659609","display_name":"Image warping","level":2,"score":0.8610296249389648},{"id":"https://openalex.org/C4069607","wikidata":"https://www.wikidata.org/wiki/Q868732","display_name":"Aliasing","level":3,"score":0.5830095410346985},{"id":"https://openalex.org/C187834632","wikidata":"https://www.wikidata.org/wiki/Q188804","display_name":"Factorization","level":2,"score":0.5591388940811157},{"id":"https://openalex.org/C17020691","wikidata":"https://www.wikidata.org/wiki/Q139677","display_name":"Operator (biology)","level":5,"score":0.5520355105400085},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5335227847099304},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.527029812335968},{"id":"https://openalex.org/C152124472","wikidata":"https://www.wikidata.org/wiki/Q1204361","display_name":"Redundancy (engineering)","level":2,"score":0.5215168595314026},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.47835081815719604},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.46731752157211304},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.35837435722351074},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.33768031001091003},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3307580351829529},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.24861934781074524},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C158448853","wikidata":"https://www.wikidata.org/wiki/Q425218","display_name":"Repressor","level":4,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","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/C86339819","wikidata":"https://www.wikidata.org/wiki/Q407384","display_name":"Transcription factor","level":3,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.2010.5495740","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2010.5495740","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:cris.unibo.it:11585/97467","is_oa":false,"landing_page_url":"http://hdl.handle.net/11585/97467","pdf_url":null,"source":{"id":"https://openalex.org/S4306402579","display_name":"Archivio istituzionale della ricerca (Alma Mater Studiorum Universit\u00e0 di Bologna)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210117483","host_organization_name":"Istituto di Ematologia di Bologna","host_organization_lineage":["https://openalex.org/I4210117483"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.49000000953674316,"id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W2091963827","https://openalex.org/W2099944953","https://openalex.org/W2130765509","https://openalex.org/W2132162421","https://openalex.org/W2161912132","https://openalex.org/W2164814651"],"related_works":["https://openalex.org/W1670332068","https://openalex.org/W2095618524","https://openalex.org/W2735770592","https://openalex.org/W1971024059","https://openalex.org/W1502062143","https://openalex.org/W4224236531","https://openalex.org/W4291993329","https://openalex.org/W2063177452","https://openalex.org/W2413982977","https://openalex.org/W2268850994"],"abstract_inverted_index":{"In":[0,64],"this":[1],"work":[2],"we":[3],"introduce":[4],"a":[5,22,31,56],"new":[6],"frequency":[7,27],"warping":[8,12,28],"operator":[9,29],"for":[10],"non-smooth":[11],"function":[13],"allowing":[14],"perfect":[15,85],"reconstruction.":[16,86],"The":[17],"transformation":[18],"is":[19],"based":[20,59],"on":[21,60],"previously":[23],"introduced":[24],"aliasing":[25],"compensated":[26],"having":[30],"residual":[32],"error":[33],"because":[34],"of":[35,45],"finite":[36],"output":[37,48],"dimension.":[38],"By":[39],"adding":[40],"some":[41],"redundancy,":[42],"the":[43,65,68,75,80],"effect":[44],"an":[46,61],"infinite":[47],"dimension":[49],"can":[50],"be":[51],"taken":[52],"into":[53],"account":[54],"in":[55],"compressed":[57],"way,":[58],"analytical":[62],"factorization.":[63],"reconstruction":[66],"process,":[67],"additional":[69],"redundant":[70],"samples":[71],"are":[72],"expanded,":[73],"making":[74],"inverse":[76],"transform":[77],"differ":[78],"from":[79],"direct":[81],"one,":[82],"but":[83],"guaranteeing":[84]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}