{"id":"https://openalex.org/W2547474248","doi":"https://doi.org/10.1109/apcc.1999.820411","title":"A quadtree classified-based fractal image coding approach","display_name":"A quadtree classified-based fractal image coding approach","publication_year":1999,"publication_date":"1999-01-01","ids":{"openalex":"https://openalex.org/W2547474248","doi":"https://doi.org/10.1109/apcc.1999.820411","mag":"2547474248"},"language":"en","primary_location":{"id":"doi:10.1109/apcc.1999.820411","doi":"https://doi.org/10.1109/apcc.1999.820411","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apcc.1999.820411","pdf_url":null,"source":{"id":"https://openalex.org/S4363608215","display_name":"Asia-Pacific Conference on Communications (APCC)","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":"Fifth Asia-Pacific Conference on ... and Fourth Optoelectronics and Communications Conference on Communications,","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","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":null,"display_name":"Wang Xuejun","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wang Xuejun","raw_affiliation_strings":["Department Computer, Changchun Institute of Posts and Telecommunications, Changchun, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department Computer, Changchun Institute of Posts and Telecommunications, Changchun, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068038623","display_name":"Lianyu Chu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I194450716","display_name":"Jilin University","ror":"https://ror.org/00js3aw79","country_code":"CN","type":"education","lineage":["https://openalex.org/I194450716"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chu Lianyu","raw_affiliation_strings":["Department Electronics and Engineering, Jilin University, Changchun, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department Electronics and Engineering, Jilin University, Changchun, China","institution_ids":["https://openalex.org/I194450716"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5114375978","display_name":"Hexin Chen","orcid":"https://orcid.org/0000-0001-9300-0859","observed_orcids":["https://orcid.org/0000-0001-9300-0859"]},"institutions":[{"id":"https://openalex.org/I194450716","display_name":"Jilin University","ror":"https://ror.org/00js3aw79","country_code":"CN","type":"education","lineage":["https://openalex.org/I194450716"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chen Hexin","raw_affiliation_strings":["Department Electronics and Engineering, Jilin University, Changchun, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department Electronics and Engineering, Jilin University, Changchun, China","institution_ids":["https://openalex.org/I194450716"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.35717785,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"912","last_page":"915 vol.2"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10901","display_name":"Advanced Data Compression Techniques","score":0.9994999766349792,"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":0.9994999766349792,"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/T10741","display_name":"Video Coding and Compression Technologies","score":0.00039999998989515007,"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/T10824","display_name":"Image Retrieval and Classification Techniques","score":9.999999747378752e-05,"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/fractal-image-compression","display_name":"fractal image compression","score":0.9660000205039978},{"id":"https://openalex.org/keywords/range-blocks","display_name":"range blocks","score":0.5960000157356262},{"id":"https://openalex.org/keywords/image-compression","display_name":"image compression","score":0.9179999828338623},{"id":"https://openalex.org/keywords/compression-ratio","display_name":"compression ratio","score":0.7599999904632568},{"id":"https://openalex.org/keywords/image-reconstruction-quality","display_name":"image reconstruction quality","score":0.8460000157356262}],"concepts":[{"id":"https://openalex.org/C151416825","wikidata":"https://www.wikidata.org/wiki/Q934791","display_name":"Quadtree","level":2,"score":0.9822076559066772},{"id":"https://openalex.org/C40636538","wikidata":"https://www.wikidata.org/wiki/Q81392","display_name":"Fractal","level":2,"score":0.7205568552017212},{"id":"https://openalex.org/C144112376","wikidata":"https://www.wikidata.org/wiki/Q5477512","display_name":"Fractal transform","level":5,"score":0.6566457748413086},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.6241642236709595},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6134934425354004},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6132598519325256},{"id":"https://openalex.org/C109116516","wikidata":"https://www.wikidata.org/wiki/Q2872","display_name":"Fractal compression","level":5,"score":0.592764675617218},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5243018865585327},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4744499623775482},{"id":"https://openalex.org/C13481523","wikidata":"https://www.wikidata.org/wiki/Q412438","display_name":"Image compression","level":4,"score":0.45035821199417114},{"id":"https://openalex.org/C78548338","wikidata":"https://www.wikidata.org/wiki/Q2493","display_name":"Data compression","level":2,"score":0.4338507652282715},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3875006437301636},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.31418001651763916},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.3039676547050476},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.29199284315109253},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.06306895613670349},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/apcc.1999.820411","doi":"https://doi.org/10.1109/apcc.1999.820411","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apcc.1999.820411","pdf_url":null,"source":{"id":"https://openalex.org/S4363608215","display_name":"Asia-Pacific Conference on Communications (APCC)","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":"Fifth Asia-Pacific Conference on ... and Fourth Optoelectronics and Communications Conference on Communications,","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W1587767767","https://openalex.org/W2063079062","https://openalex.org/W2149961130","https://openalex.org/W2159047013"],"related_works":["https://openalex.org/W2364901374","https://openalex.org/W2378674831","https://openalex.org/W2158136120","https://openalex.org/W1640327635","https://openalex.org/W2888128304","https://openalex.org/W2384182519","https://openalex.org/W2032222248","https://openalex.org/W2138732903","https://openalex.org/W2064213626","https://openalex.org/W2351502662"],"abstract_inverted_index":{"In":[0],"this":[1,45],"paper,":[2],"an":[3],"image":[4],"coding":[5,31,43],"approach":[6,46],"is":[7],"developed":[8],"based":[9],"on":[10,56],"the":[11,18,28,39,57,60],"quadtree":[12],"classified":[13],"method.":[14,32],"It":[15],"can":[16,47],"solve":[17],"problem":[19],"that":[20,36],"some":[21],"range":[22],"blocks":[23],"cannot":[24],"be":[25],"coded":[26],"under":[27],"conventional":[29,40],"fractal":[30,42],"Experimental":[33],"results":[34],"show":[35],"compared":[37],"to":[38],"automatic":[41],"method,":[44],"obtain":[48],"high":[49],"compression":[50],"ratio":[51],"with":[52],"no":[53],"apparent":[54],"depression":[55],"quality":[58],"of":[59],"reconstructed":[61],"image.":[62]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-10-26T11:51:55.731654","created_date":"2016-11-11T00:00:00"}