{"id":"https://openalex.org/W2300419758","doi":"https://doi.org/10.2312/egtp.19891016","title":"Forest of Quadtrees: An Object Representation for 3D Graphics","display_name":"Forest of Quadtrees: An Object Representation for 3D Graphics","publication_year":1989,"publication_date":"1989-01-01","ids":{"openalex":"https://openalex.org/W2300419758","doi":"https://doi.org/10.2312/egtp.19891016","mag":"2300419758"},"language":"en","primary_location":{"id":"doi:10.2312/egtp.19891016","is_oa":true,"landing_page_url":"https://doi.org/10.2312/egtp.19891016","pdf_url":null,"source":{"id":"https://openalex.org/S7407052899","display_name":"Eurographics","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":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},"type":"article","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.2312/egtp.19891016","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5039517392","display_name":"Arie Kaufman","orcid":"https://orcid.org/0000-0002-0796-6196"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Kaufman, Arie","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5088589430","display_name":"Amit Bandopadhay","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Bandopadhay, Amit","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5039517392"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"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/T14339","display_name":"Image Processing and 3D Reconstruction","score":0.9452999830245972,"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/T14339","display_name":"Image Processing and 3D Reconstruction","score":0.9452999830245972,"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/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9308000206947327,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/T10719","display_name":"3D Shape Modeling and Analysis","score":0.9146000146865845,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7494021654129028},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.65266352891922},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.5923416614532471},{"id":"https://openalex.org/keywords/graphics","display_name":"Graphics","score":0.5732029676437378},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.521584689617157},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics","score":0.4513487219810486},{"id":"https://openalex.org/keywords/3d-computer-graphics","display_name":"3D computer graphics","score":0.41408902406692505},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.37038305401802063},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3428518772125244}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7494021654129028},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.65266352891922},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5923416614532471},{"id":"https://openalex.org/C21442007","wikidata":"https://www.wikidata.org/wiki/Q1027879","display_name":"Graphics","level":2,"score":0.5732029676437378},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.521584689617157},{"id":"https://openalex.org/C77660652","wikidata":"https://www.wikidata.org/wiki/Q150971","display_name":"Computer graphics","level":2,"score":0.4513487219810486},{"id":"https://openalex.org/C66629338","wikidata":"https://www.wikidata.org/wiki/Q189177","display_name":"3D computer graphics","level":3,"score":0.41408902406692505},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.37038305401802063},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3428518772125244},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2312/egtp.19891016","is_oa":true,"landing_page_url":"https://doi.org/10.2312/egtp.19891016","pdf_url":null,"source":{"id":"https://openalex.org/S7407052899","display_name":"Eurographics","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":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"doi:10.2312/egtp.19891016","is_oa":true,"landing_page_url":"https://doi.org/10.2312/egtp.19891016","pdf_url":null,"source":{"id":"https://openalex.org/S7407052899","display_name":"Eurographics","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":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2922901364","https://openalex.org/W2059345136","https://openalex.org/W2105620952","https://openalex.org/W1482159509","https://openalex.org/W1518318216","https://openalex.org/W2286702848","https://openalex.org/W2470636108","https://openalex.org/W2768445241","https://openalex.org/W2284420399","https://openalex.org/W60215396","https://openalex.org/W2776884356","https://openalex.org/W2069299168","https://openalex.org/W2899883381","https://openalex.org/W2040631889","https://openalex.org/W2783465631","https://openalex.org/W2086422914","https://openalex.org/W2242259125","https://openalex.org/W2128992806","https://openalex.org/W2141697622","https://openalex.org/W3146477369"],"abstract_inverted_index":{"A":[0,19],"forest":[1,24,44],"of":[2,22,42,45,73],"quadtrees":[3,30,46],"is":[4],"proposed":[5],"as":[6],"an":[7],"alternative":[8],"data":[9,20],"structure":[10],"for":[11,51],"representing":[12],"and":[13,16,36,47,53,61,70],"manipulating":[14],"3D":[15],"2.5D":[17],"graphics.":[18],"representation":[21],"a":[23],"offers":[25],"space":[26],"savings":[27],"over":[28],"common":[29],"by":[31],"concentrating":[32],"the":[33,43,48,66,74],"vital":[34],"information":[35],"discarding":[37],"unused":[38],"pointers.":[39],"Several":[40],"properties":[41],"basic":[49],"operations":[50],"display":[52],"elementary":[54],"transformations":[55],"like":[56],"rotation,":[57],"reflection,":[58],"enlargement,":[59],"reduction,":[60],"translation":[62],"are":[63,76],"investigated.":[64],"Specifically,":[65],"temporary":[67],"memory":[68],"requirements":[69],"duplication":[71],"time":[72],"algorithms":[75],"analyzed.":[77]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}