{"id":"https://openalex.org/W1793103541","doi":"https://doi.org/10.1109/ijcnn.2003.1223472","title":"Hierarchical and dynamic SOM applied to image compression","display_name":"Hierarchical and dynamic SOM applied to image compression","publication_year":2004,"publication_date":"2004-03-01","ids":{"openalex":"https://openalex.org/W1793103541","doi":"https://doi.org/10.1109/ijcnn.2003.1223472","mag":"1793103541"},"language":"en","primary_location":{"id":"doi:10.1109/ijcnn.2003.1223472","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ijcnn.2003.1223472","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the International Joint Conference on Neural Networks, 2003.","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/A5034467098","display_name":"J.M. Barbalho","orcid":null},"institutions":[{"id":"https://openalex.org/I35046152","display_name":"Universidade Federal do Rio Grande do Norte","ror":"https://ror.org/04wn09761","country_code":"BR","type":"education","lineage":["https://openalex.org/I35046152"]}],"countries":["BR"],"is_corresponding":true,"raw_author_name":"J.M. Barbalho","raw_affiliation_strings":["Departamento de Engenharia de Computa\u00e7\u00e3o e Automa\u00e7\u00e3o, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil"],"affiliations":[{"raw_affiliation_string":"Departamento de Engenharia de Computa\u00e7\u00e3o e Automa\u00e7\u00e3o, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil","institution_ids":["https://openalex.org/I35046152"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025179228","display_name":"Jos\u00e9 Alfredo Ferreira Costa","orcid":"https://orcid.org/0000-0002-1290-6454"},"institutions":[{"id":"https://openalex.org/I35046152","display_name":"Universidade Federal do Rio Grande do Norte","ror":"https://ror.org/04wn09761","country_code":"BR","type":"education","lineage":["https://openalex.org/I35046152"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"J.A.F. Costa","raw_affiliation_strings":["Departamento de Engenharia El\u00e9trica, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil"],"affiliations":[{"raw_affiliation_string":"Departamento de Engenharia El\u00e9trica, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil","institution_ids":["https://openalex.org/I35046152"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102789194","display_name":"Adri\u00e3o Duarte D\u00f3ria Neto","orcid":"https://orcid.org/0000-0002-5445-7327"},"institutions":[{"id":"https://openalex.org/I35046152","display_name":"Universidade Federal do Rio Grande do Norte","ror":"https://ror.org/04wn09761","country_code":"BR","type":"education","lineage":["https://openalex.org/I35046152"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"A.D.D. Neto","raw_affiliation_strings":["Departamento de Engenharia de Computa\u00e7\u00e3o e Automa\u00e7\u00e3o, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil"],"affiliations":[{"raw_affiliation_string":"Departamento de Engenharia de Computa\u00e7\u00e3o e Automa\u00e7\u00e3o, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil","institution_ids":["https://openalex.org/I35046152"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113509276","display_name":"M.L. Andrade Netto","orcid":null},"institutions":[{"id":"https://openalex.org/I181391015","display_name":"Universidade Estadual de Campinas (UNICAMP)","ror":"https://ror.org/04wffgt70","country_code":"BR","type":"education","lineage":["https://openalex.org/I181391015"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"M.L.A. Netto","raw_affiliation_strings":["DCA-Faculdade de Engineering El\u00e9trica e de Computa\u00e7\u00e3o, Universidade Estadual de Campinas (UNICAMP), Sao Paulo, Brazil"],"affiliations":[{"raw_affiliation_string":"DCA-Faculdade de Engineering El\u00e9trica e de Computa\u00e7\u00e3o, Universidade Estadual de Campinas (UNICAMP), Sao Paulo, Brazil","institution_ids":["https://openalex.org/I181391015"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5034467098"],"corresponding_institution_ids":["https://openalex.org/I35046152"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.0861693,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"1","issue":null,"first_page":"753","last_page":"758"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10901","display_name":"Advanced Data Compression Techniques","score":0.9995999932289124,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9995999932289124,"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9937000274658203,"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9799000024795532,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/codebook","display_name":"Codebook","score":0.9809665679931641},{"id":"https://openalex.org/keywords/vector-quantization","display_name":"Vector quantization","score":0.8761841654777527},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.678767740726471},{"id":"https://openalex.org/keywords/linde\u2013buzo\u2013gray-algorithm","display_name":"Linde\u2013Buzo\u2013Gray algorithm","score":0.6539276242256165},{"id":"https://openalex.org/keywords/image-compression","display_name":"Image compression","score":0.6337255239486694},{"id":"https://openalex.org/keywords/self-organizing-map","display_name":"Self-organizing map","score":0.5777515172958374},{"id":"https://openalex.org/keywords/data-compression","display_name":"Data compression","score":0.5619429349899292},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5615956783294678},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.5359419584274292},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4837336838245392},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4547911286354065},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3751733601093292},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.28007209300994873},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.279133141040802},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1851418912410736}],"concepts":[{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.9809665679931641},{"id":"https://openalex.org/C199833920","wikidata":"https://www.wikidata.org/wiki/Q612536","display_name":"Vector quantization","level":2,"score":0.8761841654777527},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.678767740726471},{"id":"https://openalex.org/C93372532","wikidata":"https://www.wikidata.org/wiki/Q6552455","display_name":"Linde\u2013Buzo\u2013Gray algorithm","level":3,"score":0.6539276242256165},{"id":"https://openalex.org/C13481523","wikidata":"https://www.wikidata.org/wiki/Q412438","display_name":"Image compression","level":4,"score":0.6337255239486694},{"id":"https://openalex.org/C111168008","wikidata":"https://www.wikidata.org/wiki/Q1136838","display_name":"Self-organizing map","level":3,"score":0.5777515172958374},{"id":"https://openalex.org/C78548338","wikidata":"https://www.wikidata.org/wiki/Q2493","display_name":"Data compression","level":2,"score":0.5619429349899292},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5615956783294678},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.5359419584274292},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4837336838245392},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4547911286354065},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3751733601093292},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.28007209300994873},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.279133141040802},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1851418912410736},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ijcnn.2003.1223472","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ijcnn.2003.1223472","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the International Joint Conference on Neural Networks, 2003.","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322025","display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","ror":"https://ror.org/03swz6y49"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W172303158","https://openalex.org/W1579685727","https://openalex.org/W1679913846","https://openalex.org/W2118385064","https://openalex.org/W2134383396","https://openalex.org/W2148861932","https://openalex.org/W2164791656","https://openalex.org/W2165209203","https://openalex.org/W4237222446","https://openalex.org/W4247446713","https://openalex.org/W4254197176","https://openalex.org/W6606961583","https://openalex.org/W6677605964"],"related_works":["https://openalex.org/W2017514583","https://openalex.org/W2352648934","https://openalex.org/W2391875658","https://openalex.org/W2100120615","https://openalex.org/W1929869830","https://openalex.org/W2017401491","https://openalex.org/W2387054321","https://openalex.org/W2158612577","https://openalex.org/W2148772884","https://openalex.org/W1681061148"],"abstract_inverted_index":{"A":[0],"new":[1],"hierarchal":[2],"structure":[3,60,70],"of":[4,61,74],"the":[5,36,41,54,59,62,72,75,102],"self-organizing":[6],"map":[7],"(SOM)":[8],"with":[9,90],"dynamic":[10],"growth":[11],"is":[12,32,80],"presented":[13],"and":[14,23,43,67,86,98],"applied":[15],"to":[16,56],"codebook":[17,30],"design":[18,31],"in":[19,40,47],"vector":[20],"quantization":[21],"(VQ)":[22],"image":[24,44],"compression.":[25],"The":[26,51],"tree-structured":[27],"approach":[28],"for":[29,34],"motivated":[33],"reducing":[35],"high":[37],"computational":[38],"efforts":[39],"training":[42,83,85],"coding":[45,87],"phases":[46],"traditional":[48],"VQ":[49],"algorithms.":[50],"DHSOM":[52,91],"has":[53],"ability":[55],"self":[57],"determine":[58],"network":[63],"through":[64],"heuristically":[65],"rules,":[66],"its":[68],"final":[69],"reflects":[71],"variability":[73],"data":[76],"(image":[77],"blocks).":[78],"It":[79],"shown":[81],"that":[82,84],"times":[88],"obtained":[89],"algorithm":[92],"are":[93,105],"faster":[94],"than":[95],"conventional":[96],"SOM":[97],"LBG":[99],"algorithms,":[100],"while":[101],"qualitative":[103],"results":[104],"given.":[106]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
