{"id":"https://openalex.org/W1560060067","doi":"https://doi.org/10.2312/eggh/eggh89/061-073","title":"The HERO Algorithm for Ray-Tracing Octrees","display_name":"The HERO Algorithm for Ray-Tracing Octrees","publication_year":1989,"publication_date":"1989-01-01","ids":{"openalex":"https://openalex.org/W1560060067","doi":"https://doi.org/10.2312/eggh/eggh89/061-073","mag":"1560060067"},"language":"en","primary_location":{"id":"doi:10.2312/eggh/eggh89/061-073","is_oa":true,"landing_page_url":"https://doi.org/10.2312/eggh/eggh89/061-073","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/eggh/eggh89/061-073","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5073048205","display_name":"Mark Agate","orcid":"https://orcid.org/0000-0001-7822-5566"},"institutions":[{"id":"https://openalex.org/I162608824","display_name":"University of Sussex","ror":"https://ror.org/00ayhx656","country_code":"GB","type":"education","lineage":["https://openalex.org/I162608824"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Agate, Mark","raw_affiliation_strings":["VLSI & Graphics Research Group, School of Engineering, University of Sussex, Brighton, UK"],"affiliations":[{"raw_affiliation_string":"VLSI & Graphics Research Group, School of Engineering, University of Sussex, Brighton, UK","institution_ids":["https://openalex.org/I162608824"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109845500","display_name":"R.L. Grimsdale","orcid":null},"institutions":[{"id":"https://openalex.org/I162608824","display_name":"University of Sussex","ror":"https://ror.org/00ayhx656","country_code":"GB","type":"education","lineage":["https://openalex.org/I162608824"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Grimsdale, Richard L.","raw_affiliation_strings":["VLSI & Graphics Research Group, School of Engineering, University of Sussex, Brighton, UK"],"affiliations":[{"raw_affiliation_string":"VLSI & Graphics Research Group, School of Engineering, University of Sussex, Brighton, UK","institution_ids":["https://openalex.org/I162608824"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090688904","display_name":"Paul Lister","orcid":null},"institutions":[{"id":"https://openalex.org/I162608824","display_name":"University of Sussex","ror":"https://ror.org/00ayhx656","country_code":"GB","type":"education","lineage":["https://openalex.org/I162608824"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Lister, Paul F.","raw_affiliation_strings":["VLSI & Graphics Research Group, School of Engineering, University of Sussex, Brighton, UK"],"affiliations":[{"raw_affiliation_string":"VLSI & Graphics Research Group, School of Engineering, University of Sussex, Brighton, UK","institution_ids":["https://openalex.org/I162608824"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5073048205"],"corresponding_institution_ids":["https://openalex.org/I162608824"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":9,"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/T10481","display_name":"Computer Graphics and Visualization Techniques","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":1.0,"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9976999759674072,"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/T10719","display_name":"3D Shape Modeling and Analysis","score":0.9962999820709229,"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/octree","display_name":"Octree","score":0.9236996173858643},{"id":"https://openalex.org/keywords/tree-traversal","display_name":"Tree traversal","score":0.7906262874603271},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7843180894851685},{"id":"https://openalex.org/keywords/ray-tracing","display_name":"Ray tracing (physics)","score":0.6882466077804565},{"id":"https://openalex.org/keywords/data-structure","display_name":"Data structure","score":0.6187252998352051},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5813295245170593},{"id":"https://openalex.org/keywords/tracing","display_name":"Tracing","score":0.557604193687439},{"id":"https://openalex.org/keywords/voxel","display_name":"Voxel","score":0.544394314289093},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.46981245279312134},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.43035659193992615},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.3423945903778076},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.32387107610702515},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.24615570902824402},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1623537242412567}],"concepts":[{"id":"https://openalex.org/C141297171","wikidata":"https://www.wikidata.org/wiki/Q1143237","display_name":"Octree","level":2,"score":0.9236996173858643},{"id":"https://openalex.org/C140745168","wikidata":"https://www.wikidata.org/wiki/Q1210082","display_name":"Tree traversal","level":2,"score":0.7906262874603271},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7843180894851685},{"id":"https://openalex.org/C121483023","wikidata":"https://www.wikidata.org/wiki/Q7298343","display_name":"Ray tracing (physics)","level":2,"score":0.6882466077804565},{"id":"https://openalex.org/C162319229","wikidata":"https://www.wikidata.org/wiki/Q175263","display_name":"Data structure","level":2,"score":0.6187252998352051},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5813295245170593},{"id":"https://openalex.org/C138673069","wikidata":"https://www.wikidata.org/wiki/Q322229","display_name":"Tracing","level":2,"score":0.557604193687439},{"id":"https://openalex.org/C54170458","wikidata":"https://www.wikidata.org/wiki/Q663554","display_name":"Voxel","level":2,"score":0.544394314289093},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.46981245279312134},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.43035659193992615},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.3423945903778076},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.32387107610702515},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.24615570902824402},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1623537242412567},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2312/eggh/eggh89/061-073","is_oa":true,"landing_page_url":"https://doi.org/10.2312/eggh/eggh89/061-073","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/eggh/eggh89/061-073","is_oa":true,"landing_page_url":"https://doi.org/10.2312/eggh/eggh89/061-073","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1532701078","https://openalex.org/W2013272707","https://openalex.org/W2060258034","https://openalex.org/W2074446140","https://openalex.org/W2148309695","https://openalex.org/W2173925477","https://openalex.org/W2175794984","https://openalex.org/W2306953192","https://openalex.org/W2514361080","https://openalex.org/W3004666153"],"related_works":["https://openalex.org/W2040706919","https://openalex.org/W2075278580","https://openalex.org/W2507306626","https://openalex.org/W2025151003","https://openalex.org/W22619085","https://openalex.org/W1992446696","https://openalex.org/W2150139098","https://openalex.org/W68987626","https://openalex.org/W1926660750","https://openalex.org/W2003966310","https://openalex.org/W2380013966","https://openalex.org/W2058468491","https://openalex.org/W1577201909","https://openalex.org/W2392926327","https://openalex.org/W2150794573","https://openalex.org/W2060046574","https://openalex.org/W2168422516","https://openalex.org/W2089908184","https://openalex.org/W2001686294","https://openalex.org/W2547768671"],"abstract_inverted_index":{"An":[0],"algorithm":[1,32,84],"is":[2,65,85],"presented":[3],"for":[4,20,88,95],"rapid":[5],"traversal":[6],"of":[7,17,22,28,36,62],"octree":[8],"data":[9],"structures,":[10],"in":[11,39],"order":[12,41],"to":[13,67],"enhance":[14],"the":[15,29,31,34,40,46,63,69,75],"speed":[16],"ray":[18],"tracing":[19],"scenes":[21],"high":[23],"complexity.":[24],"At":[25],"each":[26],"level":[27],"octree,":[30],"generates":[33],"addresses":[35],"child":[37],"voxels":[38],"they":[42],"are":[43,80],"penetrated":[44],"by":[45,74],"ray.":[47],"This":[48],"requires":[49],"only":[50],"a":[51],"few":[52],"arithmetic":[53],"operations":[54],"and":[55],"simple":[56],"logical":[57],"operations.":[58],"A":[59,92],"depth-first":[60],"search":[61],"tree":[64],"used":[66],"yield":[68],"first":[70],"terminal":[71],"voxel":[72],"hit":[73],"ray,":[76],"thus":[77],"hidden":[78],"objects":[79],"not":[81],"processed.":[82],"The":[83],"designed":[86],"specifically":[87],"implementation":[89],"as":[90],"HERO:":[91],"Hardware":[93],"Enhancer":[94],"Ray-tracing":[96],"Octrees.":[97]},"counts_by_year":[{"year":2019,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}