{"id":"https://openalex.org/W2061329715","doi":"https://doi.org/10.1117/12.2004140","title":"Acceptable bit-rates for human face identification from CCTV imagery","display_name":"Acceptable bit-rates for human face identification from CCTV imagery","publication_year":2013,"publication_date":"2013-02-04","ids":{"openalex":"https://openalex.org/W2061329715","doi":"https://doi.org/10.1117/12.2004140","mag":"2061329715"},"language":"en","primary_location":{"id":"doi:10.1117/12.2004140","is_oa":false,"landing_page_url":"http://doi.org/10.1117/12.2004140","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","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/A5108469785","display_name":"Anastasia Tsifouti","orcid":null},"institutions":[{"id":"https://openalex.org/I94951947","display_name":"University of Westminster","ror":"https://ror.org/04ycpbx82","country_code":"GB","type":"education","lineage":["https://openalex.org/I94951947"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Anastasia Tsifouti","raw_affiliation_strings":["Ctr. for Applied Science and Technology (United Kingdom)","Univ. of Westminster  (United Kingdom)"],"affiliations":[{"raw_affiliation_string":"Ctr. for Applied Science and Technology (United Kingdom)","institution_ids":[]},{"raw_affiliation_string":"Univ. of Westminster  (United Kingdom)","institution_ids":["https://openalex.org/I94951947"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051237152","display_name":"Sophie Triantaphillidou","orcid":"https://orcid.org/0000-0002-9112-3123"},"institutions":[{"id":"https://openalex.org/I94951947","display_name":"University of Westminster","ror":"https://ror.org/04ycpbx82","country_code":"GB","type":"education","lineage":["https://openalex.org/I94951947"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Sophie Triantaphillidou","raw_affiliation_strings":["Univ. of Westminster  (United Kingdom)"],"affiliations":[{"raw_affiliation_string":"Univ. of Westminster  (United Kingdom)","institution_ids":["https://openalex.org/I94951947"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011549212","display_name":"Efthimia Bilissi","orcid":null},"institutions":[{"id":"https://openalex.org/I94951947","display_name":"University of Westminster","ror":"https://ror.org/04ycpbx82","country_code":"GB","type":"education","lineage":["https://openalex.org/I94951947"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Efthimia Bilissi","raw_affiliation_strings":["Univ. of Westminster  (United Kingdom)"],"affiliations":[{"raw_affiliation_string":"Univ. of Westminster  (United Kingdom)","institution_ids":["https://openalex.org/I94951947"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5107658313","display_name":"Mohamed\u2010Chaker Larabi","orcid":null},"institutions":[{"id":"https://openalex.org/I32881790","display_name":"Universit\u00e9 de Poitiers","ror":"https://ror.org/04xhy8q59","country_code":"FR","type":"education","lineage":["https://openalex.org/I32881790"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Mohamed-Chaker Larabi","raw_affiliation_strings":["Univ. de Poitiers (France)"],"affiliations":[{"raw_affiliation_string":"Univ. de Poitiers (France)","institution_ids":["https://openalex.org/I32881790"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5108469785"],"corresponding_institution_ids":["https://openalex.org/I94951947"],"apc_list":null,"apc_paid":null,"fwci":1.9051,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.87980405,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"8653","issue":null,"first_page":"865305","last_page":"865305"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9067000150680542,"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/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9067000150680542,"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/computer-science","display_name":"Computer science","score":0.6976666450500488},{"id":"https://openalex.org/keywords/face","display_name":"Face (sociological concept)","score":0.6483356952667236},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6314875483512878},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.6128765940666199},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6122329235076904},{"id":"https://openalex.org/keywords/facial-recognition-system","display_name":"Facial recognition system","score":0.5249536037445068},{"id":"https://openalex.org/keywords/bit","display_name":"Bit (key)","score":0.4773148000240326},{"id":"https://openalex.org/keywords/face-detection","display_name":"Face detection","score":0.4772060811519623},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.3525382876396179},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.2962985932826996},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.1449466049671173}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6976666450500488},{"id":"https://openalex.org/C2779304628","wikidata":"https://www.wikidata.org/wiki/Q3503480","display_name":"Face (sociological concept)","level":2,"score":0.6483356952667236},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6314875483512878},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.6128765940666199},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6122329235076904},{"id":"https://openalex.org/C31510193","wikidata":"https://www.wikidata.org/wiki/Q1192553","display_name":"Facial recognition system","level":3,"score":0.5249536037445068},{"id":"https://openalex.org/C117011727","wikidata":"https://www.wikidata.org/wiki/Q1278488","display_name":"Bit (key)","level":2,"score":0.4773148000240326},{"id":"https://openalex.org/C4641261","wikidata":"https://www.wikidata.org/wiki/Q11681085","display_name":"Face detection","level":4,"score":0.4772060811519623},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.3525382876396179},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.2962985932826996},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.1449466049671173},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.0},{"id":"https://openalex.org/C36289849","wikidata":"https://www.wikidata.org/wiki/Q34749","display_name":"Social science","level":1,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1117/12.2004140","is_oa":false,"landing_page_url":"http://doi.org/10.1117/12.2004140","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-article"},{"id":"pmh:oai:westminsterresearch.westminster.ac.uk:8z1xx","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2004140","pdf_url":null,"source":{"id":"https://openalex.org/S4306400277","display_name":"WestminsterResearch (University of Westminster)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I94951947","host_organization_name":"University of Westminster","host_organization_lineage":["https://openalex.org/I94951947"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1967587236","https://openalex.org/W2384651879","https://openalex.org/W2336272890","https://openalex.org/W2151699605","https://openalex.org/W4308999381","https://openalex.org/W3183843611","https://openalex.org/W4312238398","https://openalex.org/W3211418293","https://openalex.org/W4308999963","https://openalex.org/W2133653344"],"abstract_inverted_index":{"The":[0,20,88,100,135,164],"objective":[1],"of":[2,12,15,22,58,71,95,102,124],"this":[3,63],"investigation":[4,89],"is":[5,66],"to":[6,80,84,112,155,160,170,179],"produce":[7],"recommendations":[8],"for":[9],"acceptable":[10,165],"bit-rates":[11,45,159,166],"CCTV":[13,23,50,176],"footage":[14],"people":[16],"onboard":[17],"London":[18],"buses.":[19],"majority":[21],"recorders":[24],"on":[25,32,106],"buses":[26],"use":[27],"a":[28,82,86],"proprietary":[29],"format":[30],"based":[31,105],"the":[33,49,55,59,69,77,128,152,174,181],"H.264/AVC":[34],"video":[35,97,103],"coding":[36],"standard,":[37],"exploiting":[38],"both":[39],"spatial":[40],"and":[41,131,147],"temporal":[42],"redundancy.":[43],"Low":[44],"are":[46,117,137,167],"favored":[47],"in":[48,76,185],"industry":[51],"but":[52],"they":[53],"compromise":[54],"image":[56,79],"usefulness":[57,65],"recorded":[60],"imagery.":[61],"In":[62],"context":[64],"defined":[67],"by":[68,120],"presence":[70],"enough":[72],"facial":[73],"information":[74],"remaining":[75],"compressed":[78],"allow":[81],"specialist":[83],"identify":[85,113],"person.":[87],"includes":[90],"four":[91],"steps:":[92],"1)":[93],"Collection":[94],"representative":[96],"footage.":[98],"2)":[99],"grouping":[101],"scenes":[104,130,150],"content":[107],"attributes.":[108],"3)":[109],"Psychophysical":[110],"investigations":[111],"key":[114,129],"scenes,":[115],"which":[116],"most":[118,153],"affected":[119],"compression.":[121],"4)":[122],"Testing":[123],"recording":[125],"systems":[126],"using":[127],"further":[132],"psychophysical":[133],"investigations.":[134],"results":[136],"highly":[138],"dependent":[139,172],"upon":[140,173],"scene":[141],"content.":[142],"For":[143],"example,":[144],"very":[145,148],"dark":[146],"bright":[149],"were":[151],"challenging":[154],"compress,":[156],"requiring":[157],"higher":[158],"maintain":[161],"useful":[162],"information.":[163],"also":[168],"found":[169],"be":[171],"specific":[175],"system":[177],"used":[178],"compress":[180],"footage,":[182],"presenting":[183],"challenges":[184],"drawing":[186],"conclusions":[187],"about":[188],"universal":[189],"\u2018average\u2019":[190],"bit-rates.":[191]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}