{"id":"https://openalex.org/W2155765142","doi":"https://doi.org/10.1109/icpr.2002.1047811","title":"On the performance of wavelets for handwritten numerals recognition","display_name":"On the performance of wavelets for handwritten numerals recognition","publication_year":2003,"publication_date":"2003-06-25","ids":{"openalex":"https://openalex.org/W2155765142","doi":"https://doi.org/10.1109/icpr.2002.1047811","mag":"2155765142"},"language":"en","primary_location":{"id":"doi:10.1109/icpr.2002.1047811","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icpr.2002.1047811","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Object recognition supported by user interaction for service robots","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/A5061488394","display_name":"Suzete Correia","orcid":"https://orcid.org/0000-0002-7675-3979"},"institutions":[{"id":"https://openalex.org/I169045520","display_name":"Universidade Federal da Para\u00edba","ror":"https://ror.org/00p9vpz11","country_code":"BR","type":"education","lineage":["https://openalex.org/I169045520"]}],"countries":["BR"],"is_corresponding":true,"raw_author_name":"S.E.N. Correia","raw_affiliation_strings":["Departamento de Engenharia El\u00e9trica, Universidade Federal da Para\u00edba, Campina Grande, Paraiba, Brazil"],"affiliations":[{"raw_affiliation_string":"Departamento de Engenharia El\u00e9trica, Universidade Federal da Para\u00edba, Campina Grande, Paraiba, Brazil","institution_ids":["https://openalex.org/I169045520"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015613222","display_name":"J.M. de Carvalho","orcid":"https://orcid.org/0000-0002-9829-7804"},"institutions":[{"id":"https://openalex.org/I169045520","display_name":"Universidade Federal da Para\u00edba","ror":"https://ror.org/00p9vpz11","country_code":"BR","type":"education","lineage":["https://openalex.org/I169045520"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"J.M. de Carvalho","raw_affiliation_strings":["Departamento de Engenharia El\u00e9trica, Universidade Federal da Para\u00edba, Campina Grande, Paraiba, Brazil"],"affiliations":[{"raw_affiliation_string":"Departamento de Engenharia El\u00e9trica, Universidade Federal da Para\u00edba, Campina Grande, Paraiba, Brazil","institution_ids":["https://openalex.org/I169045520"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026340083","display_name":"Robert Sabourin","orcid":"https://orcid.org/0000-0002-9098-1011"},"institutions":[{"id":"https://openalex.org/I9736820","display_name":"\u00c9cole de Technologie Sup\u00e9rieure","ror":"https://ror.org/0020snb74","country_code":"CA","type":"education","lineage":["https://openalex.org/I49663120","https://openalex.org/I9736820"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"R. Sabourin","raw_affiliation_strings":["ETS-\u00c9cole de Technologie Sup\u00e9riure, Montreal, Canada"],"affiliations":[{"raw_affiliation_string":"ETS-\u00c9cole de Technologie Sup\u00e9riure, Montreal, Canada","institution_ids":["https://openalex.org/I9736820"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5061488394"],"corresponding_institution_ids":["https://openalex.org/I169045520"],"apc_list":null,"apc_paid":null,"fwci":1.0767,"has_fulltext":false,"cited_by_count":21,"citation_normalized_percentile":{"value":0.80066016,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"3","issue":null,"first_page":"127","last_page":"130"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10601","display_name":"Handwritten Text Recognition Techniques","score":0.9976999759674072,"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/T10601","display_name":"Handwritten Text Recognition Techniques","score":0.9976999759674072,"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/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.9922000169754028,"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/T14339","display_name":"Image Processing and 3D Reconstruction","score":0.9890999794006348,"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/wavelet","display_name":"Wavelet","score":0.8386071920394897},{"id":"https://openalex.org/keywords/nist","display_name":"NIST","score":0.7529935240745544},{"id":"https://openalex.org/keywords/numeral-system","display_name":"Numeral system","score":0.7529101371765137},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.699289083480835},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6949576735496521},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.6878997087478638},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.6824815273284912},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.6537927389144897},{"id":"https://openalex.org/keywords/wavelet-transform","display_name":"Wavelet transform","score":0.5526495575904846},{"id":"https://openalex.org/keywords/extractor","display_name":"Extractor","score":0.4594595730304718},{"id":"https://openalex.org/keywords/discrete-wavelet-transform","display_name":"Discrete wavelet transform","score":0.4262411296367645},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3686489462852478},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.3666931688785553},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10434669256210327}],"concepts":[{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.8386071920394897},{"id":"https://openalex.org/C111219384","wikidata":"https://www.wikidata.org/wiki/Q6954384","display_name":"NIST","level":2,"score":0.7529935240745544},{"id":"https://openalex.org/C204160518","wikidata":"https://www.wikidata.org/wiki/Q122653","display_name":"Numeral system","level":2,"score":0.7529101371765137},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.699289083480835},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6949576735496521},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.6878997087478638},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.6824815273284912},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.6537927389144897},{"id":"https://openalex.org/C196216189","wikidata":"https://www.wikidata.org/wiki/Q2867","display_name":"Wavelet transform","level":3,"score":0.5526495575904846},{"id":"https://openalex.org/C117978034","wikidata":"https://www.wikidata.org/wiki/Q5422192","display_name":"Extractor","level":2,"score":0.4594595730304718},{"id":"https://openalex.org/C46286280","wikidata":"https://www.wikidata.org/wiki/Q2414958","display_name":"Discrete wavelet transform","level":4,"score":0.4262411296367645},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3686489462852478},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.3666931688785553},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10434669256210327},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C21880701","wikidata":"https://www.wikidata.org/wiki/Q2144042","display_name":"Process engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icpr.2002.1047811","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icpr.2002.1047811","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Object recognition supported by user interaction for service robots","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.19.1189","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.19.1189","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.livia.etsmtl.ca/common/publications_files/2002/Suzete_icpr02.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.7900000214576721,"display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W2017787659","https://openalex.org/W2030875991","https://openalex.org/W2046485094","https://openalex.org/W2058652897","https://openalex.org/W2062024414","https://openalex.org/W2062361515","https://openalex.org/W2114335942","https://openalex.org/W2116765916","https://openalex.org/W2132984323","https://openalex.org/W2165313956"],"related_works":["https://openalex.org/W2085792030","https://openalex.org/W1588899229","https://openalex.org/W2172291505","https://openalex.org/W2023142747","https://openalex.org/W2037009764","https://openalex.org/W2063036707","https://openalex.org/W2501033992","https://openalex.org/W2377605153","https://openalex.org/W1967182499","https://openalex.org/W2088723847"],"abstract_inverted_index":{"This":[0],"paper":[1],"validates":[2],"a":[3],"recognition":[4,24],"system":[5],"using":[6],"bi-dimensional":[7],"wavelet":[8,59],"transforms":[9],"as":[10],"the":[11,16,23,30,33,38,47,70,78],"feature":[12,39,66],"extractor":[13],"and":[14,61],"investigates":[15],"relevance":[17],"of":[18,32,58,77],"each":[19],"subband":[20,56],"image":[21,49],"in":[22,54],"process.":[25],"An":[26],"experiment":[27],"to":[28],"verify":[29],"efficiency":[31],"wavelets":[34,63],"was":[35],"performed":[36],"omitting":[37],"extraction":[40],"step.":[41],"Results":[42],"show":[43],"that":[44,62],"information":[45],"about":[46],"relevant":[48],"features":[50],"are":[51,64],"evenly":[52],"distributed":[53],"all":[55],"images":[57],"coefficients":[60],"promising":[65],"extractors.":[67],"Numerals":[68],"from":[69],"NIST":[71],"database":[72],"were":[73],"used":[74],"for":[75],"evaluation":[76],"systems":[79],"tested.":[80]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":3},{"year":2012,"cited_by_count":3}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}