{"id":"https://openalex.org/W2118804867","doi":"https://doi.org/10.1109/icpr.2002.1048251","title":"Analyzing non-negative matrix factorization for image classification","display_name":"Analyzing non-negative matrix factorization for image classification","publication_year":2003,"publication_date":"2003-06-25","ids":{"openalex":"https://openalex.org/W2118804867","doi":"https://doi.org/10.1109/icpr.2002.1048251","mag":"2118804867"},"language":"en","primary_location":{"id":"doi:10.1109/icpr.2002.1048251","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icpr.2002.1048251","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Object recognition supported by user interaction for service robots","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/A5051657362","display_name":"D. Guillamet","orcid":null},"institutions":[{"id":"https://openalex.org/I123044942","display_name":"Universitat Aut\u00f2noma de Barcelona","ror":"https://ror.org/052g8jq94","country_code":"ES","type":"education","lineage":["https://openalex.org/I123044942"]},{"id":"https://openalex.org/I4387153096","display_name":"Computer Vision Center","ror":"https://ror.org/00s0nnj93","country_code":null,"type":"other","lineage":["https://openalex.org/I4387153040","https://openalex.org/I4387153096"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"D. Guillamet","raw_affiliation_strings":["Computer Vision Center, Department Inform\u00e0tica, Universitat Aut\u00f2noma Barcelona, Barcelona, Spain","Dept. d'Inf., Univ. Autonoma de Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Computer Vision Center, Department Inform\u00e0tica, Universitat Aut\u00f2noma Barcelona, Barcelona, Spain","institution_ids":["https://openalex.org/I123044942","https://openalex.org/I4387153096"]},{"raw_affiliation_string":"Dept. d'Inf., Univ. Autonoma de Barcelona, Spain","institution_ids":["https://openalex.org/I123044942"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051534545","display_name":"Bernt Schiele","orcid":"https://orcid.org/0000-0001-9683-5237"},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]},{"id":"https://openalex.org/I123044942","display_name":"Universitat Aut\u00f2noma de Barcelona","ror":"https://ror.org/052g8jq94","country_code":"ES","type":"education","lineage":["https://openalex.org/I123044942"]},{"id":"https://openalex.org/I4387153096","display_name":"Computer Vision Center","ror":"https://ror.org/00s0nnj93","country_code":null,"type":"other","lineage":["https://openalex.org/I4387153040","https://openalex.org/I4387153096"]}],"countries":["CH","ES"],"is_corresponding":false,"raw_author_name":"B. Schiele","raw_affiliation_strings":["Computer Vision Center, Department Inform\u00e0tica, Universitat Aut\u00f2noma Barcelona, Barcelona, Spain","[ETH, Zurich]"],"affiliations":[{"raw_affiliation_string":"Computer Vision Center, Department Inform\u00e0tica, Universitat Aut\u00f2noma Barcelona, Barcelona, Spain","institution_ids":["https://openalex.org/I123044942","https://openalex.org/I4387153096"]},{"raw_affiliation_string":"[ETH, Zurich]","institution_ids":["https://openalex.org/I35440088"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048383795","display_name":"Jordi Vitri\u00e0","orcid":"https://orcid.org/0000-0003-1484-539X"},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]},{"id":"https://openalex.org/I123044942","display_name":"Universitat Aut\u00f2noma de Barcelona","ror":"https://ror.org/052g8jq94","country_code":"ES","type":"education","lineage":["https://openalex.org/I123044942"]}],"countries":["CH","ES"],"is_corresponding":false,"raw_author_name":"J. Vitria","raw_affiliation_strings":["Perceptual Computing and Computer Vision Group, ETH Zurich, Zurich, Switzerland","Universitat Aut\u00f2noma de Barcelona"],"affiliations":[{"raw_affiliation_string":"Perceptual Computing and Computer Vision Group, ETH Zurich, Zurich, Switzerland","institution_ids":["https://openalex.org/I35440088"]},{"raw_affiliation_string":"Universitat Aut\u00f2noma de Barcelona","institution_ids":["https://openalex.org/I123044942"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5051657362"],"corresponding_institution_ids":["https://openalex.org/I123044942","https://openalex.org/I4387153096"],"apc_list":null,"apc_paid":null,"fwci":2.961,"has_fulltext":false,"cited_by_count":64,"citation_normalized_percentile":{"value":0.91694173,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"2","issue":null,"first_page":"116","last_page":"119"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.9984999895095825,"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/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.9984999895095825,"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/T10057","display_name":"Face and Expression Recognition","score":0.9975000023841858,"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/T10320","display_name":"Neural Networks and Applications","score":0.9934999942779541,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.6584451794624329},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5717946290969849},{"id":"https://openalex.org/keywords/non-negative-matrix-factorization","display_name":"Non-negative matrix factorization","score":0.5424611568450928},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5222933292388916},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4849529564380646},{"id":"https://openalex.org/keywords/contextual-image-classification","display_name":"Contextual image classification","score":0.47902196645736694},{"id":"https://openalex.org/keywords/factorization","display_name":"Factorization","score":0.46906375885009766},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.4650460481643677},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.44804394245147705},{"id":"https://openalex.org/keywords/matrix-algebra","display_name":"Matrix algebra","score":0.4298381209373474},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.391155868768692},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3290330767631531},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09318837523460388},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.06814518570899963}],"concepts":[{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.6584451794624329},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5717946290969849},{"id":"https://openalex.org/C152671427","wikidata":"https://www.wikidata.org/wiki/Q10843505","display_name":"Non-negative matrix factorization","level":4,"score":0.5424611568450928},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5222933292388916},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4849529564380646},{"id":"https://openalex.org/C75294576","wikidata":"https://www.wikidata.org/wiki/Q5165192","display_name":"Contextual image classification","level":3,"score":0.47902196645736694},{"id":"https://openalex.org/C187834632","wikidata":"https://www.wikidata.org/wiki/Q188804","display_name":"Factorization","level":2,"score":0.46906375885009766},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.4650460481643677},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.44804394245147705},{"id":"https://openalex.org/C2988995629","wikidata":"https://www.wikidata.org/wiki/Q2915729","display_name":"Matrix algebra","level":3,"score":0.4298381209373474},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.391155868768692},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3290330767631531},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09318837523460388},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.06814518570899963},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/icpr.2002.1048251","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icpr.2002.1048251","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Object recognition supported by user interaction for service robots","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.19.717","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.19.717","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.vision.ethz.ch/publ/icpr02_david.pdf","raw_type":"text"},{"id":"pmh:oai:escidoc.org:escidoc:2055947","is_oa":false,"landing_page_url":"http://hdl.handle.net/11858/00-001M-0000-0027-7970-7","pdf_url":null,"source":{"id":"https://openalex.org/S7407052962","display_name":"Max Planck Digital Library","issn_l":null,"issn":[],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1902027874","https://openalex.org/W2121882172","https://openalex.org/W2123977795","https://openalex.org/W2135029798","https://openalex.org/W2138288494","https://openalex.org/W2138451337","https://openalex.org/W2140151376","https://openalex.org/W2753461371","https://openalex.org/W6680012447"],"related_works":["https://openalex.org/W2127243424","https://openalex.org/W4390394189","https://openalex.org/W2037504162","https://openalex.org/W2539013788","https://openalex.org/W2792706544","https://openalex.org/W1568451138","https://openalex.org/W2156699640","https://openalex.org/W2972997031","https://openalex.org/W2045265907","https://openalex.org/W2069570686"],"abstract_inverted_index":{"The":[0,95],"Non-negative":[1],"Matrix":[2],"Factorization":[3],"technique":[4,84,112],"(NMF)":[5],"has":[6],"been":[7],"recently":[8],"proposed":[9],"for":[10,85,106],"dimensionality":[11],"reduction.":[12],"NMF":[13,31],"is":[14,47,59,88,113],"capable":[15],"to":[16,32,61,72],"produce":[17],"a":[18,100],"region-":[19],"or":[20],"part-based":[21],"representation":[22],"of":[23,40,102,117,121],"objects":[24],"and":[25,54,90],"images.":[26],"This":[27,66],"paper":[28,67],"experimentally":[29],"compares":[30],"Principal":[33],"Component":[34],"Analysis":[35],"(PCA)":[36],"in":[37],"the":[38,49,62,78,82,91,110,118,127],"context":[39],"image":[41,123],"patch":[42],"classification.":[43],"A":[44],"first":[45,79],"finding":[46],"that":[48,55],"two":[50],"techniques":[51,71],"are":[52,93],"complementary":[53,75],"their":[56],"respective":[57],"performance":[58],"correlated":[60],"with-in":[63],"class":[64,87],"scatter.":[65],"also":[68],"analyses":[69],"different":[70],"combine":[73],"these":[74],"methods.":[76],"In":[77],"combination":[80,97],"scheme":[81,98],"best":[83,111],"each":[86,107],"chosen":[89],"results":[92,120],"merged.":[94],"second":[96],"builds":[99],"hierarchy":[101],"classifiers":[103],"where":[104],"again":[105],"classification":[108,119],"task":[109],"chosen.":[114],"Additionally,":[115],"incorporation":[116],"neighboring":[122],"patches":[124],"further":[125],"improves":[126],"overall":[128],"results.":[129]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":4}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}