{"id":"https://openalex.org/W2032158212","doi":"https://doi.org/10.1109/lsp.2014.2361212","title":"Enhanced Ridge Structure for Improving Fingerprint Image Quality Based on a Wavelet Domain","display_name":"Enhanced Ridge Structure for Improving Fingerprint Image Quality Based on a Wavelet Domain","publication_year":2014,"publication_date":"2014-10-01","ids":{"openalex":"https://openalex.org/W2032158212","doi":"https://doi.org/10.1109/lsp.2014.2361212","mag":"2032158212"},"language":"en","primary_location":{"id":"doi:10.1109/lsp.2014.2361212","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2014.2361212","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Signal Processing Letters","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/A5072250669","display_name":"Jing-Wein Wang","orcid":"https://orcid.org/0000-0001-8585-642X"},"institutions":[{"id":"https://openalex.org/I192168892","display_name":"National University of Kaohsiung","ror":"https://ror.org/013zjb662","country_code":"TW","type":"education","lineage":["https://openalex.org/I192168892"]},{"id":"https://openalex.org/I89178830","display_name":"National Kaohsiung University of Applied Sciences","ror":"https://ror.org/04wydzr61","country_code":"TW","type":"education","lineage":["https://openalex.org/I89178830"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jing-Wein Wang","raw_affiliation_strings":["Institute of Photonics and Communications, National Kaohsiung University of Applied Sciences, Kaohsiung, Taiwan R. O. C"],"raw_orcid":"https://orcid.org/0000-0001-8585-642X","affiliations":[{"raw_affiliation_string":"Institute of Photonics and Communications, National Kaohsiung University of Applied Sciences, Kaohsiung, Taiwan R. O. C","institution_ids":["https://openalex.org/I89178830","https://openalex.org/I192168892"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044232275","display_name":"Ngoc Tuyen Le","orcid":"https://orcid.org/0000-0002-5155-2150"},"institutions":[{"id":"https://openalex.org/I192168892","display_name":"National University of Kaohsiung","ror":"https://ror.org/013zjb662","country_code":"TW","type":"education","lineage":["https://openalex.org/I192168892"]},{"id":"https://openalex.org/I89178830","display_name":"National Kaohsiung University of Applied Sciences","ror":"https://ror.org/04wydzr61","country_code":"TW","type":"education","lineage":["https://openalex.org/I89178830"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Ngoc Tuyen Le","raw_affiliation_strings":["Institute of Photonics and Communications, National Kaohsiung University of Applied Sciences, Kaohsiung, Taiwan R. O. C"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Photonics and Communications, National Kaohsiung University of Applied Sciences, Kaohsiung, Taiwan R. O. C","institution_ids":["https://openalex.org/I89178830","https://openalex.org/I192168892"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024779883","display_name":"Chou-Chen Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I98298690","display_name":"I-Shou University","ror":"https://ror.org/04d7e4m76","country_code":"TW","type":"education","lineage":["https://openalex.org/I98298690"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chou-Chen Wang","raw_affiliation_strings":["Department of Electronic Engineering, I-Shou University, Kaohsiung, Taiwan R. O. C","Dept. of Electronic Engineering, I-Shou University, Kaohsiung, Taiwan, R.O.C"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, I-Shou University, Kaohsiung, Taiwan R. O. C","institution_ids":["https://openalex.org/I98298690"]},{"raw_affiliation_string":"Dept. of Electronic Engineering, I-Shou University, Kaohsiung, Taiwan, R.O.C","institution_ids":["https://openalex.org/I98298690"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5012942387","display_name":"Jiann-Shu Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I134793997","display_name":"National University of Tainan","ror":"https://ror.org/020pqc882","country_code":"TW","type":"education","lineage":["https://openalex.org/I134793997"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jiann-Shu Lee","raw_affiliation_strings":["Department of Computer Science and Information Engineering, National University of Tainan, Tainan, Taiwan R. O. C","[Dept. of Computer Science and Information Engineering, National University of Tainan, Tainan, Taiwan (R.O.C)]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Information Engineering, National University of Tainan, Tainan, Taiwan R. O. C","institution_ids":["https://openalex.org/I134793997"]},{"raw_affiliation_string":"[Dept. of Computer Science and Information Engineering, National University of Tainan, Tainan, Taiwan (R.O.C)]","institution_ids":["https://openalex.org/I134793997"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.128,"has_fulltext":false,"cited_by_count":31,"citation_normalized_percentile":{"value":0.94657229,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"22","issue":"4","first_page":"390","last_page":"394"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10828","display_name":"Biometric Identification and Security","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10828","display_name":"Biometric Identification and Security","score":0.9998999834060669,"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/T10388","display_name":"Advanced Steganography and Watermarking Techniques","score":0.9915000200271606,"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/T13568","display_name":"Wood and Agarwood Research","score":0.9865999817848206,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7858401536941528},{"id":"https://openalex.org/keywords/fingerprint","display_name":"Fingerprint (computing)","score":0.7196788191795349},{"id":"https://openalex.org/keywords/fingerprint-recognition","display_name":"Fingerprint recognition","score":0.6615920066833496},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.6415219306945801},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6368210315704346},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6083625555038452},{"id":"https://openalex.org/keywords/image-quality","display_name":"Image quality","score":0.5299397706985474},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.5231372714042664},{"id":"https://openalex.org/keywords/wavelet-transform","display_name":"Wavelet transform","score":0.4767911434173584},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.46854910254478455}],"concepts":[{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7858401536941528},{"id":"https://openalex.org/C2777826928","wikidata":"https://www.wikidata.org/wiki/Q3745713","display_name":"Fingerprint (computing)","level":2,"score":0.7196788191795349},{"id":"https://openalex.org/C168406668","wikidata":"https://www.wikidata.org/wiki/Q178022","display_name":"Fingerprint recognition","level":3,"score":0.6615920066833496},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.6415219306945801},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6368210315704346},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6083625555038452},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.5299397706985474},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.5231372714042664},{"id":"https://openalex.org/C196216189","wikidata":"https://www.wikidata.org/wiki/Q2867","display_name":"Wavelet transform","level":3,"score":0.4767911434173584},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.46854910254478455}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lsp.2014.2361212","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2014.2361212","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Signal Processing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1534649803","https://openalex.org/W1568156808","https://openalex.org/W1965277106","https://openalex.org/W2005624859","https://openalex.org/W2012770159","https://openalex.org/W2020266852","https://openalex.org/W2045354372","https://openalex.org/W2064312517","https://openalex.org/W2087150959","https://openalex.org/W2114531724","https://openalex.org/W2116777725","https://openalex.org/W2118269537","https://openalex.org/W2118498934","https://openalex.org/W2124874699","https://openalex.org/W2132984323","https://openalex.org/W2149715693","https://openalex.org/W2160269836","https://openalex.org/W2163252370","https://openalex.org/W2925117202","https://openalex.org/W4237938455","https://openalex.org/W6634150492","https://openalex.org/W6672145960"],"related_works":["https://openalex.org/W3014822659","https://openalex.org/W4362496757","https://openalex.org/W2566091814","https://openalex.org/W4389371618","https://openalex.org/W2051501574","https://openalex.org/W2117826006","https://openalex.org/W2114937328","https://openalex.org/W2148654711","https://openalex.org/W2608025327","https://openalex.org/W1621827506"],"abstract_inverted_index":{"Fingerprint":[0],"image":[1,24,43,59,84],"enhancement":[2],"is":[3,27,38,60],"one":[4],"of":[5,32,90,103],"the":[6,40,54,57,65,73,82,91,99],"most":[7],"crucial":[8],"steps":[9],"in":[10,106],"an":[11,19],"automated":[12],"fingerprint":[13,23,42,108,115],"identification":[14],"system.":[15],"In":[16],"this":[17],"paper,":[18],"effective":[20],"algorithm":[21,30,96],"for":[22,68],"quality":[25,85],"improvement":[26],"proposed.":[28],"The":[29,35,77,94],"consists":[31],"two":[33],"stages.":[34],"first":[36],"stage":[37],"decomposing":[39],"input":[41],"into":[44],"four":[45],"subbands":[46],"by":[47,62],"applying":[48],"two-dimensional":[49],"discrete":[50],"wavelet":[51],"transform.":[52],"At":[53],"second":[55],"stage,":[56],"compensated":[58,83],"produced":[61],"adaptively":[63],"obtaining":[64],"compensation":[66],"coefficient":[67],"each":[69],"subband":[70],"based":[71],"on":[72],"referred":[74],"Gaussian":[75],"template.":[76],"experimental":[78],"results":[79],"indicated":[80],"that":[81,89],"was":[86],"higher":[87,114],"than":[88,118],"original":[92],"image.":[93,109],"proposed":[95],"can":[97,112],"improve":[98],"clarity":[100],"and":[101],"continuity":[102],"ridge":[104],"structures":[105],"a":[107],"Therefore,":[110],"it":[111],"achieve":[113],"classification":[116],"rates":[117],"related":[119],"methods":[120],"can.":[121]},"counts_by_year":[{"year":2024,"cited_by_count":3},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":7}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}