{"id":"https://openalex.org/W2237358707","doi":"https://doi.org/10.1587/transinf.2015mup0007","title":"Unitary Transform-Based Template Protection and Its Application to &lt;i&gt;l&lt;/i&gt;&lt;sup&gt;2&lt;/sup&gt;-norm Minimization Problems","display_name":"Unitary Transform-Based Template Protection and Its Application to &lt;i&gt;l&lt;/i&gt;&lt;sup&gt;2&lt;/sup&gt;-norm Minimization Problems","publication_year":2015,"publication_date":"2015-12-31","ids":{"openalex":"https://openalex.org/W2237358707","doi":"https://doi.org/10.1587/transinf.2015mup0007","mag":"2237358707"},"language":"en","primary_location":{"id":"doi:10.1587/transinf.2015mup0007","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transinf.2015mup0007","pdf_url":"https://www.jstage.jst.go.jp/article/transinf/E99.D/1/E99.D_2015MUP0007/_pdf","source":{"id":"https://openalex.org/S2486202937","display_name":"IEICE Transactions on Information and Systems","issn_l":"0916-8532","issn":["0916-8532","1745-1361"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Information and Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.jstage.jst.go.jp/article/transinf/E99.D/1/E99.D_2015MUP0007/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5021169961","display_name":"Ibuki Nakamura","orcid":null},"institutions":[{"id":"https://openalex.org/I69740276","display_name":"Tokyo Metropolitan University","ror":"https://ror.org/00ws30h19","country_code":"JP","type":"education","lineage":["https://openalex.org/I69740276"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Ibuki NAKAMURA","raw_affiliation_strings":["Graduate School of System Design, Tokyo Metropolitan University"],"affiliations":[{"raw_affiliation_string":"Graduate School of System Design, Tokyo Metropolitan University","institution_ids":["https://openalex.org/I69740276"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113553520","display_name":"Yoshihide Tonomura","orcid":null},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoshihide TONOMURA","raw_affiliation_strings":["NTT Network Innovation Laboratories, NTT Corporation"],"affiliations":[{"raw_affiliation_string":"NTT Network Innovation Laboratories, NTT Corporation","institution_ids":["https://openalex.org/I2251713219"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5015250468","display_name":"Hitoshi Kiya","orcid":"https://orcid.org/0000-0001-8061-3090"},"institutions":[{"id":"https://openalex.org/I69740276","display_name":"Tokyo Metropolitan University","ror":"https://ror.org/00ws30h19","country_code":"JP","type":"education","lineage":["https://openalex.org/I69740276"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hitoshi KIYA","raw_affiliation_strings":["Graduate School of System Design, Tokyo Metropolitan University"],"affiliations":[{"raw_affiliation_string":"Graduate School of System Design, Tokyo Metropolitan University","institution_ids":["https://openalex.org/I69740276"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5021169961"],"corresponding_institution_ids":["https://openalex.org/I69740276"],"apc_list":null,"apc_paid":null,"fwci":1.4359,"has_fulltext":true,"cited_by_count":32,"citation_normalized_percentile":{"value":0.82945601,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"E99.D","issue":"1","first_page":"60","last_page":"68"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10828","display_name":"Biometric Identification and Security","score":1.0,"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":1.0,"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/T11448","display_name":"Face recognition and analysis","score":0.9934999942779541,"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/T10388","display_name":"Advanced Steganography and Watermarking Techniques","score":0.9873999953269958,"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/template","display_name":"Template","score":0.8289097547531128},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6404362320899963},{"id":"https://openalex.org/keywords/unitary-state","display_name":"Unitary state","score":0.602604329586029},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.5512540936470032},{"id":"https://openalex.org/keywords/norm","display_name":"Norm (philosophy)","score":0.5239070653915405},{"id":"https://openalex.org/keywords/euclidean-distance","display_name":"Euclidean distance","score":0.5006623268127441},{"id":"https://openalex.org/keywords/fast-fourier-transform","display_name":"Fast Fourier transform","score":0.42958617210388184},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4123039245605469},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.36420542001724243},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.28996825218200684},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.25220540165901184}],"concepts":[{"id":"https://openalex.org/C82714645","wikidata":"https://www.wikidata.org/wiki/Q438331","display_name":"Template","level":2,"score":0.8289097547531128},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6404362320899963},{"id":"https://openalex.org/C67820243","wikidata":"https://www.wikidata.org/wiki/Q179164","display_name":"Unitary state","level":2,"score":0.602604329586029},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.5512540936470032},{"id":"https://openalex.org/C191795146","wikidata":"https://www.wikidata.org/wiki/Q3878446","display_name":"Norm (philosophy)","level":2,"score":0.5239070653915405},{"id":"https://openalex.org/C120174047","wikidata":"https://www.wikidata.org/wiki/Q847073","display_name":"Euclidean distance","level":2,"score":0.5006623268127441},{"id":"https://openalex.org/C75172450","wikidata":"https://www.wikidata.org/wiki/Q623950","display_name":"Fast Fourier transform","level":2,"score":0.42958617210388184},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4123039245605469},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.36420542001724243},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.28996825218200684},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.25220540165901184},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","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/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1587/transinf.2015mup0007","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transinf.2015mup0007","pdf_url":"https://www.jstage.jst.go.jp/article/transinf/E99.D/1/E99.D_2015MUP0007/_pdf","source":{"id":"https://openalex.org/S2486202937","display_name":"IEICE Transactions on Information and Systems","issn_l":"0916-8532","issn":["0916-8532","1745-1361"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Information and Systems","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1587/transinf.2015mup0007","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transinf.2015mup0007","pdf_url":"https://www.jstage.jst.go.jp/article/transinf/E99.D/1/E99.D_2015MUP0007/_pdf","source":{"id":"https://openalex.org/S2486202937","display_name":"IEICE Transactions on Information and Systems","issn_l":"0916-8532","issn":["0916-8532","1745-1361"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Information and Systems","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2237358707.pdf","grobid_xml":"https://content.openalex.org/works/W2237358707.grobid-xml"},"referenced_works_count":31,"referenced_works":["https://openalex.org/W1584467222","https://openalex.org/W1599937967","https://openalex.org/W1896560119","https://openalex.org/W2009360064","https://openalex.org/W2016371744","https://openalex.org/W2027022089","https://openalex.org/W2030433289","https://openalex.org/W2032001704","https://openalex.org/W2032551902","https://openalex.org/W2041942569","https://openalex.org/W2049505818","https://openalex.org/W2051095254","https://openalex.org/W2063355793","https://openalex.org/W2094327026","https://openalex.org/W2096328905","https://openalex.org/W2099278510","https://openalex.org/W2101831789","https://openalex.org/W2103919449","https://openalex.org/W2104722041","https://openalex.org/W2110401929","https://openalex.org/W2114024372","https://openalex.org/W2120452215","https://openalex.org/W2123921160","https://openalex.org/W2125587922","https://openalex.org/W2126582804","https://openalex.org/W2129812935","https://openalex.org/W2129905915","https://openalex.org/W2135508918","https://openalex.org/W2160687222","https://openalex.org/W2161895101","https://openalex.org/W2295789004"],"related_works":["https://openalex.org/W2121300814","https://openalex.org/W4234406076","https://openalex.org/W1886613375","https://openalex.org/W4236081792","https://openalex.org/W4250583430","https://openalex.org/W2010731026","https://openalex.org/W4311328601","https://openalex.org/W2360893094","https://openalex.org/W4390787808","https://openalex.org/W4236036386"],"abstract_inverted_index":{"We":[0],"focus":[1],"on":[2],"the":[3,15,19,23,32,45,49,57,78,107,142,147,160],"feature":[4],"transform":[5,55],"approach":[6],"as":[7,59,65,85,127],"one":[8],"methodology":[9],"for":[10],"biometric":[11,24],"template":[12,16,37,122],"protection,":[13],"where":[14],"consists":[17],"of":[18,31,87,97],"features":[20],"extracted":[21],"from":[22],"trait.":[25],"This":[26,90],"study":[27],"considers":[28],"some":[29],"properties":[30],"unitary":[33,54,129],"(including":[34],"orthogonal)":[35],"transform-based":[36,130],"protection":[38,123],"in":[39,81,100,144],"particular.":[40],"It":[41,150],"is":[42,56,73,94,125,151],"known":[43],"that":[44,60,75,92],"Euclidean":[46],"distance":[47],"between":[48,61],"templates":[50,109,140],"protected":[51,108,139],"by":[52,141],"a":[53,66,120],"same":[58,79],"original":[62,88,116],"(non-protected)":[63],"ones":[64],"property.":[67],"In":[68,118],"this":[69],"study,":[70],"moreover,":[71],"it":[72,76],"shown":[74],"provides":[77],"results":[80],"l2-norm":[82,104],"minimization":[83],"problems":[84],"those":[86],"templates.":[89,117],"means":[91],"there":[93],"no":[95],"degradation":[96],"recognition":[98,156],"performance":[99],"authentication":[101],"systems":[102],"using":[103],"minimization.":[105],"Therefore,":[106],"can":[110],"be":[111],"reissued":[112],"multiple":[113],"times":[114],"without":[115],"addition,":[119],"DFT-based":[121],"scheme":[124,134],"proposed":[126,133],"an":[128],"one.":[131],"The":[132],"enables":[135],"to":[136,146,154,158],"efficiently":[137],"generate":[138],"FFT,":[143],"addition":[145],"useful":[148],"properties.":[149],"also":[152],"applied":[153],"face":[155],"experiments":[157],"evaluate":[159],"effectiveness.":[161]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":4},{"year":2016,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
