{"id":"https://openalex.org/W2168856695","doi":"https://doi.org/10.1016/s1051-2004(02)00012-x","title":"1D and 2D Fourier-based approaches to numeric curvature estimation and their comparative performance assessment","display_name":"1D and 2D Fourier-based approaches to numeric curvature estimation and their comparative performance assessment","publication_year":2002,"publication_date":"2002-12-28","ids":{"openalex":"https://openalex.org/W2168856695","doi":"https://doi.org/10.1016/s1051-2004(02)00012-x","mag":"2168856695"},"language":"en","primary_location":{"id":"doi:10.1016/s1051-2004(02)00012-x","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s1051-2004(02)00012-x","pdf_url":null,"source":{"id":"https://openalex.org/S64117906","display_name":"Digital Signal Processing","issn_l":"1051-2004","issn":["1051-2004","1095-4333"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Digital Signal Processing","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/A5001022567","display_name":"Leandro F. Estrozi","orcid":"https://orcid.org/0000-0003-2548-2547"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Leandro Farias Estrozi","raw_affiliation_strings":["Cybernetic Vision Research Group, IFSC-USP, Caixa Postal 369, S\u00e3o Carlos, S\u00e3o Paulo, 13560-970, Brazil"],"affiliations":[{"raw_affiliation_string":"Cybernetic Vision Research Group, IFSC-USP, Caixa Postal 369, S\u00e3o Carlos, S\u00e3o Paulo, 13560-970, Brazil","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008002884","display_name":"Luiz G. Rios-Filho","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Luiz Gonzaga Rios-Filho","raw_affiliation_strings":["Cybernetic Vision Research Group, IFSC-USP, Caixa Postal 369, S\u00e3o Carlos, S\u00e3o Paulo, 13560-970, Brazil"],"affiliations":[{"raw_affiliation_string":"Cybernetic Vision Research Group, IFSC-USP, Caixa Postal 369, S\u00e3o Carlos, S\u00e3o Paulo, 13560-970, Brazil","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040077481","display_name":"Andrea Bianchi","orcid":"https://orcid.org/0000-0001-7949-1188"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Andrea Gomes Campos Bianchi","raw_affiliation_strings":["Cybernetic Vision Research Group, IFSC-USP, Caixa Postal 369, S\u00e3o Carlos, S\u00e3o Paulo, 13560-970, Brazil"],"affiliations":[{"raw_affiliation_string":"Cybernetic Vision Research Group, IFSC-USP, Caixa Postal 369, S\u00e3o Carlos, S\u00e3o Paulo, 13560-970, Brazil","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090955523","display_name":"Roberto M. C\u00e9sar","orcid":"https://orcid.org/0000-0003-2701-4288"},"institutions":[{"id":"https://openalex.org/I17974374","display_name":"Universidade de S\u00e3o Paulo","ror":"https://ror.org/036rp1748","country_code":"BR","type":"education","lineage":["https://openalex.org/I17974374"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Roberto Marcondes Cesar","raw_affiliation_strings":["Creative Vision Research Group, Department of Computer Science, IME, University of S\u00e3o Paulo, Rua do Mat\u00e3o, 1010, S\u00e3o Paulo, 05508-900, Brazil"],"affiliations":[{"raw_affiliation_string":"Creative Vision Research Group, Department of Computer Science, IME, University of S\u00e3o Paulo, Rua do Mat\u00e3o, 1010, S\u00e3o Paulo, 05508-900, Brazil","institution_ids":["https://openalex.org/I17974374"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005669749","display_name":"Luciano da Fontoura Costa","orcid":"https://orcid.org/0000-0001-5203-4366"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Luciano da Fontoura Costa","raw_affiliation_strings":["Cybernetic Vision Research Group, IFSC-USP, Caixa Postal 369, S\u00e3o Carlos, S\u00e3o Paulo, 13560-970, Brazil"],"affiliations":[{"raw_affiliation_string":"Cybernetic Vision Research Group, IFSC-USP, Caixa Postal 369, S\u00e3o Carlos, S\u00e3o Paulo, 13560-970, Brazil","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5005669749"],"corresponding_institution_ids":[],"apc_list":{"value":2480,"currency":"USD","value_usd":2480},"apc_paid":null,"fwci":1.629,"has_fulltext":false,"cited_by_count":22,"citation_normalized_percentile":{"value":0.86319914,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"13","issue":"1","first_page":"172","last_page":"197"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":1.0,"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/T10531","display_name":"Advanced Vision and Imaging","score":1.0,"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/T11105","display_name":"Advanced Image Processing Techniques","score":0.9979000091552734,"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/T10638","display_name":"Optical measurement and interference techniques","score":0.9976000189781189,"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/curvature","display_name":"Curvature","score":0.7150611877441406},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.616154134273529},{"id":"https://openalex.org/keywords/discrete-time-fourier-transform","display_name":"Discrete-time Fourier transform","score":0.604823648929596},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6039220094680786},{"id":"https://openalex.org/keywords/quantization","display_name":"Quantization (signal processing)","score":0.5009186267852783},{"id":"https://openalex.org/keywords/fourier-series","display_name":"Fourier series","score":0.48468878865242004},{"id":"https://openalex.org/keywords/short-time-fourier-transform","display_name":"Short-time Fourier transform","score":0.45918720960617065},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4591521620750427},{"id":"https://openalex.org/keywords/parametric-statistics","display_name":"Parametric statistics","score":0.45108848810195923},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4504464864730835},{"id":"https://openalex.org/keywords/fourier-analysis","display_name":"Fourier analysis","score":0.3569745123386383},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.22138667106628418},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.17678692936897278},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.08702370524406433}],"concepts":[{"id":"https://openalex.org/C195065555","wikidata":"https://www.wikidata.org/wiki/Q214881","display_name":"Curvature","level":2,"score":0.7150611877441406},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.616154134273529},{"id":"https://openalex.org/C122444316","wikidata":"https://www.wikidata.org/wiki/Q1440048","display_name":"Discrete-time Fourier transform","level":5,"score":0.604823648929596},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6039220094680786},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.5009186267852783},{"id":"https://openalex.org/C207864730","wikidata":"https://www.wikidata.org/wiki/Q179467","display_name":"Fourier series","level":2,"score":0.48468878865242004},{"id":"https://openalex.org/C166386157","wikidata":"https://www.wikidata.org/wiki/Q1477735","display_name":"Short-time Fourier transform","level":4,"score":0.45918720960617065},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4591521620750427},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.45108848810195923},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4504464864730835},{"id":"https://openalex.org/C203024314","wikidata":"https://www.wikidata.org/wiki/Q1365258","display_name":"Fourier analysis","level":3,"score":0.3569745123386383},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.22138667106628418},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.17678692936897278},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.08702370524406433}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1016/s1051-2004(02)00012-x","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s1051-2004(02)00012-x","pdf_url":null,"source":{"id":"https://openalex.org/S64117906","display_name":"Digital Signal Processing","issn_l":"1051-2004","issn":["1051-2004","1095-4333"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Digital Signal Processing","raw_type":"journal-article"},{"id":"pmh:oai:localhost:123456789/1050","is_oa":false,"landing_page_url":"http://www.repositorio.ufop.br/handle/123456789/1050","pdf_url":null,"source":{"id":"https://openalex.org/S4377196689","display_name":"Institutional Repository Jo\u00e3o Pinheiro Foundation (Jo\u00e3o Pinheiro Foundation)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210089366","host_organization_name":"Jo\u00e3o Pinheiro Foundation","host_organization_lineage":["https://openalex.org/I4210089366"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"reponame:Reposit\u00f3rio Institucional da UFOP","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:repositorio.ufop.br:123456789/1050","is_oa":false,"landing_page_url":"http://www.sciencedirect.com/science/article/pii/S105120040200012X>.","pdf_url":null,"source":{"id":"https://openalex.org/S4306402641","display_name":"LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Cient\u00edficas)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4383465926","host_organization_name":"LA Referencia","host_organization_lineage":["https://openalex.org/I4383465926"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"instacron:UFOP","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320997","display_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo","ror":"https://ror.org/02ddkpn78"},{"id":"https://openalex.org/F4320321091","display_name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","ror":"https://ror.org/00x0ma614"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W207685485","https://openalex.org/W1238092070","https://openalex.org/W1490227144","https://openalex.org/W1515315241","https://openalex.org/W1970393892","https://openalex.org/W1970693654","https://openalex.org/W1971825032","https://openalex.org/W1981398227","https://openalex.org/W1987381328","https://openalex.org/W1994559772","https://openalex.org/W2002489995","https://openalex.org/W2003262222","https://openalex.org/W2003938193","https://openalex.org/W2016490710","https://openalex.org/W2028107639","https://openalex.org/W2038436121","https://openalex.org/W2054674781","https://openalex.org/W2058399945","https://openalex.org/W2063312355","https://openalex.org/W2072738093","https://openalex.org/W2078285351","https://openalex.org/W2089366793","https://openalex.org/W2094064692","https://openalex.org/W2111933145","https://openalex.org/W2112994057","https://openalex.org/W2122741244","https://openalex.org/W2122827492","https://openalex.org/W2124592837","https://openalex.org/W2145631620","https://openalex.org/W2154332114","https://openalex.org/W2156830547","https://openalex.org/W2416319362","https://openalex.org/W2914161834","https://openalex.org/W2921487360","https://openalex.org/W3003662786","https://openalex.org/W6629412436"],"related_works":["https://openalex.org/W2099309112","https://openalex.org/W2370547058","https://openalex.org/W2372918173","https://openalex.org/W2751880894","https://openalex.org/W3022846395","https://openalex.org/W2094657987","https://openalex.org/W4387646299","https://openalex.org/W4220769103","https://openalex.org/W4366130562","https://openalex.org/W2055315600"],"abstract_inverted_index":null,"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}
