{"id":"https://openalex.org/W2130639400","doi":"https://doi.org/10.1109/icme.2002.1035528","title":"Key points based segmentation of lips","display_name":"Key points based segmentation of lips","publication_year":2003,"publication_date":"2003-06-25","ids":{"openalex":"https://openalex.org/W2130639400","doi":"https://doi.org/10.1109/icme.2002.1035528","mag":"2130639400"},"language":"en","primary_location":{"id":"doi:10.1109/icme.2002.1035528","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icme.2002.1035528","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. IEEE International Conference on Multimedia and Expo","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/A5021122214","display_name":"Nicolas Eveno","orcid":null},"institutions":[{"id":"https://openalex.org/I4210124956","display_name":"Grenoble Images Parole Signal Automatique","ror":"https://ror.org/02wrme198","country_code":"FR","type":"facility","lineage":["https://openalex.org/I106785703","https://openalex.org/I1294671590","https://openalex.org/I4210124956","https://openalex.org/I899635006","https://openalex.org/I899635006"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"N. Eveno","raw_affiliation_strings":["Laboratoire des Images et Signaux, Institut National Polytechnique de Grenoble, Grenoble, France","Lab. des Images et Signaux, Inst. Nat. Polytech. de Grenoble, France"],"affiliations":[{"raw_affiliation_string":"Laboratoire des Images et Signaux, Institut National Polytechnique de Grenoble, Grenoble, France","institution_ids":[]},{"raw_affiliation_string":"Lab. des Images et Signaux, Inst. Nat. Polytech. de Grenoble, France","institution_ids":["https://openalex.org/I4210124956"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081662880","display_name":"Alice Caplier","orcid":"https://orcid.org/0000-0002-5937-4627"},"institutions":[{"id":"https://openalex.org/I4210124956","display_name":"Grenoble Images Parole Signal Automatique","ror":"https://ror.org/02wrme198","country_code":"FR","type":"facility","lineage":["https://openalex.org/I106785703","https://openalex.org/I1294671590","https://openalex.org/I4210124956","https://openalex.org/I899635006","https://openalex.org/I899635006"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"A. Caplier","raw_affiliation_strings":["Laboratoire des Images et Signaux, Institut National Polytechnique de Grenoble, Grenoble, France","Lab. des Images et Signaux, Inst. Nat. Polytech. de Grenoble, France"],"affiliations":[{"raw_affiliation_string":"Laboratoire des Images et Signaux, Institut National Polytechnique de Grenoble, Grenoble, France","institution_ids":[]},{"raw_affiliation_string":"Lab. des Images et Signaux, Inst. Nat. Polytech. de Grenoble, France","institution_ids":["https://openalex.org/I4210124956"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108277609","display_name":"P.-Y. Coulon","orcid":null},"institutions":[{"id":"https://openalex.org/I4210124956","display_name":"Grenoble Images Parole Signal Automatique","ror":"https://ror.org/02wrme198","country_code":"FR","type":"facility","lineage":["https://openalex.org/I106785703","https://openalex.org/I1294671590","https://openalex.org/I4210124956","https://openalex.org/I899635006","https://openalex.org/I899635006"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"P.-Y. Coulon","raw_affiliation_strings":["Laboratoire des Images et Signaux, Institut National Polytechnique de Grenoble, Grenoble, France","Lab. des Images et Signaux, Inst. Nat. Polytech. de Grenoble, France"],"affiliations":[{"raw_affiliation_string":"Laboratoire des Images et Signaux, Institut National Polytechnique de Grenoble, Grenoble, France","institution_ids":[]},{"raw_affiliation_string":"Lab. des Images et Signaux, Inst. Nat. Polytech. de Grenoble, France","institution_ids":["https://openalex.org/I4210124956"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5021122214"],"corresponding_institution_ids":["https://openalex.org/I4210124956"],"apc_list":null,"apc_paid":null,"fwci":1.757,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":{"value":0.86176442,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"2","issue":null,"first_page":"125","last_page":"128"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9997000098228455,"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/T10860","display_name":"Speech and Audio Processing","score":0.9997000098228455,"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9836999773979187,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11448","display_name":"Face recognition and analysis","score":0.9660000205039978,"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/segmentation","display_name":"Segmentation","score":0.7390589714050293},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7008228302001953},{"id":"https://openalex.org/keywords/a-priori-and-a-posteriori","display_name":"A priori and a posteriori","score":0.5793055891990662},{"id":"https://openalex.org/keywords/parametric-statistics","display_name":"Parametric statistics","score":0.574558436870575},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.5465705990791321},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5097832083702087},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4519568979740143},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.45161086320877075},{"id":"https://openalex.org/keywords/image-segmentation","display_name":"Image segmentation","score":0.41824692487716675},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.34811127185821533},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.34547480940818787},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21426531672477722}],"concepts":[{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.7390589714050293},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7008228302001953},{"id":"https://openalex.org/C75553542","wikidata":"https://www.wikidata.org/wiki/Q178161","display_name":"A priori and a posteriori","level":2,"score":0.5793055891990662},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.574558436870575},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.5465705990791321},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5097832083702087},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4519568979740143},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.45161086320877075},{"id":"https://openalex.org/C124504099","wikidata":"https://www.wikidata.org/wiki/Q56933","display_name":"Image segmentation","level":3,"score":0.41824692487716675},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.34811127185821533},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.34547480940818787},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21426531672477722},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icme.2002.1035528","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icme.2002.1035528","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. IEEE International Conference on Multimedia and Expo","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8399999737739563,"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1529089304","https://openalex.org/W1559276497","https://openalex.org/W1893227739","https://openalex.org/W2078545638","https://openalex.org/W2106844098","https://openalex.org/W2113341759","https://openalex.org/W2125848778","https://openalex.org/W3169507310","https://openalex.org/W6631719301","https://openalex.org/W6633559439"],"related_works":["https://openalex.org/W4388311650","https://openalex.org/W1974056099","https://openalex.org/W4245343541","https://openalex.org/W2386077341","https://openalex.org/W563589758","https://openalex.org/W5922282","https://openalex.org/W2954004777","https://openalex.org/W2949638731","https://openalex.org/W2951102138","https://openalex.org/W1522196789"],"abstract_inverted_index":{"Lip":[0],"segmentation":[1,29],"is":[2,57,59,69,80,95],"an":[3,24],"essential":[4],"stage":[5],"in":[6],"many":[7],"multimedia":[8],"systems":[9],"such":[10],"as":[11],"videoconferencing,":[12],"lip":[13,28,52,78,105],"reading,":[14],"or":[15],"low":[16,91],"bit":[17],"rate":[18],"coding":[19],"communication":[20],"systems.":[21],"We":[22,74],"propose":[23],"accurate":[25],"and":[26,43,46],"robust":[27,121],"algorithm.":[30],"First,":[31],"characteristic":[32],"points":[33],"are":[34],"found":[35],"by":[36,61],"using":[37],"\"hybrid":[38],"edges\"":[39],"(which":[40],"combine":[41],"color":[42],"intensity":[44],"information)":[45],"a":[47,62,66,90,113,120],"priori":[48],"knowledge":[49],"about":[50],"the":[51,72,77,100,124],"morphology.":[53],"Corners":[54],"position,":[55],"which":[56],"crucial,":[58],"provided":[60],"coarse-to-fine":[63],"process.":[64],"Then,":[65],"parametric":[67],"model":[68,93],"fitted":[70],"on":[71],"lips.":[73],"consider":[75],"that":[76,94],"boundary":[79],"composed":[81],"of":[82,102],"several":[83],"independent":[84],"cubic":[85],"polynomial":[86],"curves.":[87],"It":[88],"gives":[89],"complexity":[92],"flexible":[96],"enough":[97],"to":[98,108],"reproduce":[99],"specificity":[101],"very":[103],"different":[104],"shapes.":[106],"Compared":[107],"existing":[109],"models,":[110],"it":[111,118],"brings":[112],"significant":[114],"accuracy":[115],"improvement.":[116],"Moreover,":[117],"ensures":[119],"convergence":[122],"towards":[123],"edges.":[125]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":5},{"year":2012,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}