{"id":"https://openalex.org/W27492012","doi":null,"title":"Reconnaissance de formes naturelles par des r\u00e9seaux de neurones artificiels : application au nannoplancton calcaire","display_name":"Reconnaissance de formes naturelles par des r\u00e9seaux de neurones artificiels : application au nannoplancton calcaire","publication_year":1997,"publication_date":"1997-01-01","ids":{"openalex":"https://openalex.org/W27492012","mag":"27492012"},"language":"fr","primary_location":{"id":"mag:27492012","doi":null,"is_oa":false,"landing_page_url":"http://www.theses.fr/1997AIX30099","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"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/A5056942844","display_name":"Denis Dollfus","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Denis Dollfus","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5056942844"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10320","display_name":"Neural Networks and Applications","score":0.8788999915122986,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10320","display_name":"Neural Networks and Applications","score":0.8788999915122986,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10036","display_name":"Advanced Neural Network Applications","score":0.06469999998807907,"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/T12859","display_name":"Cell Image Analysis Techniques","score":0.019200000911951065,"subfield":{"id":"https://openalex.org/subfields/1304","display_name":"Biophysics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/neural-network","display_name":"artificial neural networks","score":0.9549999833106995},{"id":"https://openalex.org/keywords/multilayer-neural-networks","display_name":"multilayer neural networks","score":0.6190000176429749},{"id":"https://openalex.org/keywords/backpropagation","display_name":"backpropagation","score":0.9079999923706055},{"id":"https://openalex.org/keywords/coccoliths","display_name":"coccoliths","score":0.722000002861023},{"id":"https://openalex.org/keywords/calcareous-plankton","display_name":"calcareous plankton","score":0.9089999794960022},{"id":"https://openalex.org/keywords/automated-counting","display_name":"automated counting","score":0.4189999997615814},{"id":"https://openalex.org/keywords/microscope-automation","display_name":"microscope automation","score":0.3580000102519989},{"id":"https://openalex.org/keywords/video-processing","display_name":"video processing","score":0.4519999921321869},{"id":"https://openalex.org/keywords/self-organizing-maps","display_name":"self-organizing maps","score":0.4819999933242798},{"id":"https://openalex.org/keywords/face-recognition","display_name":"face recognition","score":0.5120000243186951}],"concepts":[{"id":"https://openalex.org/C15708023","wikidata":"https://www.wikidata.org/wiki/Q80083","display_name":"Humanities","level":1,"score":0.7119066119194031},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.3970741629600525},{"id":"https://openalex.org/C97137747","wikidata":"https://www.wikidata.org/wiki/Q38112","display_name":"Forestry","level":1,"score":0.37052232027053833},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.3423804044723511}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:27492012","doi":null,"is_oa":false,"landing_page_url":"http://www.theses.fr/1997AIX30099","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":88,"referenced_works":["https://openalex.org/W17525587","https://openalex.org/W56903235","https://openalex.org/W297261964","https://openalex.org/W372100111","https://openalex.org/W613766092","https://openalex.org/W1480865305","https://openalex.org/W1505582348","https://openalex.org/W1526492552","https://openalex.org/W1535810436","https://openalex.org/W1541274513","https://openalex.org/W1567658875","https://openalex.org/W1572401739","https://openalex.org/W1573503290","https://openalex.org/W1594805276","https://openalex.org/W1799620269","https://openalex.org/W1831348172","https://openalex.org/W1966591781","https://openalex.org/W1970941552","https://openalex.org/W1974709839","https://openalex.org/W1981860511","https://openalex.org/W1984056834","https://openalex.org/W1985864871","https://openalex.org/W1985921845","https://openalex.org/W1986078443","https://openalex.org/W1990111902","https://openalex.org/W1995875735","https://openalex.org/W1998862312","https://openalex.org/W2000334725","https://openalex.org/W2000769149","https://openalex.org/W2003454866","https://openalex.org/W2006514381","https://openalex.org/W2006799560","https://openalex.org/W2007754814","https://openalex.org/W2010315761","https://openalex.org/W2011068914","https://openalex.org/W2012140001","https://openalex.org/W2020522989","https://openalex.org/W2033735582","https://openalex.org/W2037994995","https://openalex.org/W2040870580","https://openalex.org/W2042438889","https://openalex.org/W2046401020","https://openalex.org/W2048246335","https://openalex.org/W2049826301","https://openalex.org/W2056468384","https://openalex.org/W2060070232","https://openalex.org/W2063370957","https://openalex.org/W2063462557","https://openalex.org/W2066620006","https://openalex.org/W2078626246","https://openalex.org/W2078716481","https://openalex.org/W2079019836","https://openalex.org/W2083666572","https://openalex.org/W2087226439","https://openalex.org/W2089923441","https://openalex.org/W2092270646","https://openalex.org/W2093429664","https://openalex.org/W2099579348","https://openalex.org/W2100983000","https://openalex.org/W2103496339","https://openalex.org/W2109684538","https://openalex.org/W2116360511","https://openalex.org/W2117688670","https://openalex.org/W2117731089","https://openalex.org/W2118364583","https://openalex.org/W2121647436","https://openalex.org/W2122382421","https://openalex.org/W2122827492","https://openalex.org/W2128084896","https://openalex.org/W2132082727","https://openalex.org/W2137983211","https://openalex.org/W2138451337","https://openalex.org/W2138484437","https://openalex.org/W2144354855","https://openalex.org/W2147800946","https://openalex.org/W2154257401","https://openalex.org/W2159498975","https://openalex.org/W2164741953","https://openalex.org/W2170302354","https://openalex.org/W2230786114","https://openalex.org/W2315049117","https://openalex.org/W2326576031","https://openalex.org/W2414102396","https://openalex.org/W2473173163","https://openalex.org/W2766736793","https://openalex.org/W2786411916","https://openalex.org/W3121926921","https://openalex.org/W3207342693"],"related_works":["https://openalex.org/W648512265","https://openalex.org/W374515970","https://openalex.org/W629266457","https://openalex.org/W7204538555","https://openalex.org/W367151940","https://openalex.org/W400962718","https://openalex.org/W3012184977","https://openalex.org/W114706044","https://openalex.org/W7014827485","https://openalex.org/W120770951"],"abstract_inverted_index":{"Les":[0,85],"formes":[1,24],"des":[2,65,71,79,94,205,237],"objets":[3,27,200],"naturels":[4,28],"sont":[5,90],"soumises":[6],"a":[7,55,115,124,135,152,159,170,225],"une":[8,59,153,212],"forte":[9],"variabilite":[10],"qu'il":[11],"est":[12,39,168,193,220],"souvent":[13],"difficile":[14],"de":[15,21,23,40,47,62,87,105,107,110,112,121,138,142,148,157,173,176,197,217,229,231,239,244],"modeliser.":[16],"La":[17,33,52,164,215],"conception":[18],"d'un":[19],"systeme":[20,188],"reconnaissance":[22,114,172,230,243],"applique":[25],"aux":[26,74],"doit":[29],"integrer":[30],"cette":[31,37],"difficulte.":[32],"strategie":[34],"choisie":[35],"dans":[36],"etude":[38],"copier":[41],"quelques":[42],"aspects":[43],"simples":[44],"et":[45,58,97,109,162,190,209,241],"generaux":[46],"la":[48,63,91,113,171,218,233,242],"vision":[49],"du":[50],"primate.":[51],"capacite":[53],"d'apprentissage":[54],"partir":[56],"d'exemples,":[57],"augmentation":[60],"graduelle":[61],"complexite":[64],"parametres":[66],"codees":[67],"par":[68,128,201,211,222],"les":[69,103],"neurones,":[70],"aires":[72,75],"primaires":[73],"superieures,":[76],"constituent":[77],"l'essentiel":[78],"proprietes":[80],"qui":[81,182],"ont":[82],"ete":[83,116],"recherchees.":[84],"reseaux":[86],"neurones":[88,122,158],"artificiels":[89],"base":[92],"algorithmique":[93],"methodes":[95,131],"concues":[96],"testees.":[98],"Un":[99],"compromis":[100],"satisfaisant":[101,140],"entre":[102],"contraintes":[104],"rapidite":[106,149],"calcul":[108,139],"qualite":[111,154],"obtenu":[117],"avec":[118],"un":[119,136,184,187,191],"reseau":[120],"multi-couches":[123],"connexions":[125],"structurees,":[126],"entraine":[127],"retro-propagation.":[129],"D'autres":[130],"n'ont":[132],"pu":[133],"conduire":[134],"temps":[137],"(reseaux":[141],"kohonen),":[143],"ou,":[144],"quand":[145],"le":[146],"critere":[147],"etait":[150],"satisfait,":[151],"acceptable":[155],"(reseau":[156],"deux":[160,226],"couches":[161],"retro-propagation).":[163],"derniere":[165],"methode":[166,219],"developpee":[167],"appliquee":[169],"plusieurs":[174],"especes":[175],"coccolithes":[177],"(phytoplancton":[178],"calcaire).":[179],"Le":[180],"systeme,":[181],"comprend":[183],"microscope":[185],"motorise,":[186],"video":[189],"ordinateur,":[192],"operationnel.":[194],"Sa":[195],"vitesse":[196],"comptage,":[198],"4,8":[199],"seconde,":[202],"permet":[203],"d'obtenir":[204],"decomptes":[206],"statistiquement":[207],"fiables,":[208],"caracterises":[210],"bonne":[213],"repetabilite.":[214],"generalite":[216],"demontree":[221],"son":[223],"application":[224],"autres":[227],"problemes":[228],"formes,":[232],"classification":[234],"d'heterogeneites":[235],"conductrices":[236],"parois":[238],"forages,":[240],"visages":[245],"humains.":[246]},"counts_by_year":[],"updated_date":"2026-09-26T08:19:03.415552","created_date":"2016-06-24T00:00:00"}