{"id":"https://openalex.org/W1981964237","doi":"https://doi.org/10.1109/icdsp.2014.6900690","title":"Quantized nonnegative matrix factorization","display_name":"Quantized nonnegative matrix factorization","publication_year":2014,"publication_date":"2014-08-01","ids":{"openalex":"https://openalex.org/W1981964237","doi":"https://doi.org/10.1109/icdsp.2014.6900690","mag":"1981964237"},"language":"en","primary_location":{"id":"doi:10.1109/icdsp.2014.6900690","doi":"https://doi.org/10.1109/icdsp.2014.6900690","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icdsp.2014.6900690","pdf_url":null,"source":{"id":"https://openalex.org/S7407086640","display_name":"IEEE International Conference on Digital Signal Processing (DSP)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 19th International Conference on Digital Signal Processing","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arrow.tudublin.ie/engscheleart/307","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5022040369","display_name":"Ruair\u00ed de Fr\u00e9in","orcid":"https://orcid.org/0000-0002-3912-1470","observed_orcids":["https://orcid.org/0000-0002-3912-1470"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Ruairi de Frein","raw_affiliation_strings":["Telecommunications Software and Systems Group, Ireland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Telecommunications Software and Systems Group, Ireland","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5022040369"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.007,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":{"value":0.66280362,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"377","last_page":"382"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.7461000084877014,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.7461000084877014,"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/T10057","display_name":"Face and Expression Recognition","score":0.11460000276565552,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.06989999860525131,"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/non-negative-matrix-factorization","display_name":"non-negative matrix factorization","score":0.9929999709129333},{"id":"https://openalex.org/keywords/frobenius-norm","display_name":"Frobenius norm","score":0.8009999990463257},{"id":"https://openalex.org/keywords/quantization","display_name":"quantization","score":0.5379999876022339},{"id":"https://openalex.org/keywords/matrix-factorization","display_name":"matrix factorization","score":0.6850000023841858},{"id":"https://openalex.org/keywords/rank-reduction","display_name":"rank reduction","score":0.5849999785423279}],"concepts":[{"id":"https://openalex.org/C152671427","wikidata":"https://www.wikidata.org/wiki/Q10843505","display_name":"Non-negative matrix factorization","level":4,"score":0.8070811033248901},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.7634379863739014},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.6082755327224731},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5651609301567078},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5486689805984497},{"id":"https://openalex.org/C187834632","wikidata":"https://www.wikidata.org/wiki/Q188804","display_name":"Factorization","level":2,"score":0.49452850222587585},{"id":"https://openalex.org/C56372850","wikidata":"https://www.wikidata.org/wiki/Q1050404","display_name":"Sparse matrix","level":3,"score":0.42783647775650024},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3540358245372772},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.20227909088134766},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"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/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/icdsp.2014.6900690","doi":"https://doi.org/10.1109/icdsp.2014.6900690","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icdsp.2014.6900690","pdf_url":null,"source":{"id":"https://openalex.org/S7407086640","display_name":"IEEE International Conference on Digital Signal Processing (DSP)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 19th International Conference on Digital Signal Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:repository.wit.ie:3160","doi":null,"is_oa":false,"landing_page_url":"http://repository.wit.ie/3160/1/rdefreinDSP14.pdf","pdf_url":"http://repository.wit.ie/3160/1/rdefreinDSP14.pdf","source":{"id":"https://openalex.org/S4377196138","display_name":"SETU Waterford Libraries - Open Access Repository","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Conference or Workshop Item"},{"id":"pmh:oai:arrow.tudublin.ie:engscheleart-1316","doi":null,"is_oa":true,"landing_page_url":"https://arrow.tudublin.ie/engscheleart/307","pdf_url":"https://arrow.tudublin.ie/engscheleart/307","source":{"id":"https://openalex.org/S4377196307","display_name":"Arrow - TU Dublin (Technological University Dublin)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210144925","host_organization_name":"Technological University Dublin","host_organization_lineage":["https://openalex.org/I4210144925"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Conference papers","raw_type":"article"},{"id":"pmh:oai:DiVA.org:kth-173813","doi":null,"is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-173813","pdf_url":null,"source":{"id":"https://openalex.org/S4306401559","display_name":"KTH Publication Database DiVA (KTH Royal Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I86987016","host_organization_name":"KTH Royal Institute of Technology","host_organization_lineage":["https://openalex.org/I86987016"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"pmh:oai:arrow.tudublin.ie:engscheleart-1316","doi":null,"is_oa":true,"landing_page_url":"https://arrow.tudublin.ie/engscheleart/307","pdf_url":"https://arrow.tudublin.ie/engscheleart/307","source":{"id":"https://openalex.org/S4377196307","display_name":"Arrow - TU Dublin (Technological University Dublin)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210144925","host_organization_name":"Technological University Dublin","host_organization_lineage":["https://openalex.org/I4210144925"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Conference papers","raw_type":"article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1981964237.pdf","grobid_xml":"https://content.openalex.org/works/W1981964237.grobid-xml"},"referenced_works_count":17,"referenced_works":["https://openalex.org/W1539480699","https://openalex.org/W1605774499","https://openalex.org/W1970266075","https://openalex.org/W1976318178","https://openalex.org/W2017216310","https://openalex.org/W2045440310","https://openalex.org/W2048687561","https://openalex.org/W2050685271","https://openalex.org/W2097732069","https://openalex.org/W2106186615","https://openalex.org/W2135029798","https://openalex.org/W2135342064","https://openalex.org/W2139115028","https://openalex.org/W2140318696","https://openalex.org/W2146519989","https://openalex.org/W2336509789","https://openalex.org/W4254197176"],"related_works":["https://openalex.org/W2791154158","https://openalex.org/W7162826044","https://openalex.org/W16002316","https://openalex.org/W2936560180","https://openalex.org/W2608405029","https://openalex.org/W2389289052","https://openalex.org/W230214904","https://openalex.org/W2973173972","https://openalex.org/W1968288349","https://openalex.org/W2376811746"],"abstract_inverted_index":{"Even":[0],"though":[1],"Nonnegative":[2,31],"Matrix":[3,32],"Factorization":[4,33],"(NMF)":[5],"in":[6,50,99,109,127,143,155],"its":[7],"original":[8],"form":[9],"performs":[10],"rank":[11],"reduction":[12,142],"and":[13,72,116],"signal":[14,149],"compaction":[15],"implicitly,":[16],"it":[17],"does":[18],"not":[19],"explicitly":[20],"consider":[21],"storage":[22],"or":[23],"transmission":[24],"constraints.":[25],"We":[26,139],"propose":[27],"a":[28,60,68,75,156],"Frobenius-norm":[29],"Quantized":[30,121],"algorithm":[34,130],"that":[35],"is":[36,63,78],"1)":[37,114],"almost":[38],"as":[39,41],"precise":[40],"traditional":[42],"NMF":[43,82,102,122],"for":[44,152],"decomposition":[45,158],"ranks":[46],"of":[47,70,146],"interest":[48],"(with":[49],"1-4dB),":[51],"2)":[52,117],"admits":[53],"to":[54,131,135],"practical":[55],"encoding":[56],"techniques":[57],"by":[58,88],"learning":[59,129],"factorization":[61,137],"which":[62,77],"simpler":[64],"than":[65],"NMF's":[66],"(by":[67],"factor":[69,148],"20-70)":[71],"3)":[73],"exhibits":[74],"complexity":[76],"comparable":[79,153],"with":[80,113],"state-of-the-art":[81],"methods.":[83],"These":[84],"properties":[85],"are":[86],"achieved":[87],"considering":[89],"the":[90,128,144,147],"quantization":[91,96,119,125],"residual":[92],"via":[93],"an":[94,100],"outer":[95],"optimization":[97],"step,":[98],"extended":[101],"iteration,":[103],"namely":[104],"QNMF.":[105],"This":[106],"approach":[107],"comes":[108],"two":[110],"forms:":[111],"QNMF":[112],"quasi-fixed":[115],"adaptive":[118],"levels.":[120],"considers":[123],"element-wise":[124],"constraints":[126],"eliminate":[132],"defects":[133],"due":[134],"post":[136],"quantization.":[138],"demonstrate":[140],"significant":[141],"cardinality":[145],"values":[150],"set":[151],"Signal-to-Noise-Ratios":[154],"matrix":[157],"task.":[159]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}
