{"id":"https://openalex.org/W1538719472","doi":"https://doi.org/10.2312/egwr/egsr04/179-184","title":"Hemispherical Rasterization for Self-Shadowing of Dynamic Objects","display_name":"Hemispherical Rasterization for Self-Shadowing of Dynamic Objects","publication_year":2004,"publication_date":"2004-01-01","ids":{"openalex":"https://openalex.org/W1538719472","doi":"https://doi.org/10.2312/egwr/egsr04/179-184","mag":"1538719472"},"language":"en","primary_location":{"id":"pmh:oai:eprints.ucl.ac.uk.OAI2:154837","is_oa":false,"landing_page_url":"http://discovery.ucl.ac.uk/154837/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400024","display_name":"UCL Discovery (University College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I45129253","host_organization_name":"University College London","host_organization_lineage":["https://openalex.org/I45129253"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"     In: Keller, A and Jensen, HW, (eds.)   (pp. pp. 179-184).  Eurographics Association (2004)     ","raw_type":"Proceedings paper"},"type":"article","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.2312/egwr/egsr04/179-184","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5056503617","display_name":"Jan Kautz","orcid":"https://orcid.org/0000-0002-8830-429X"},"institutions":[{"id":"https://openalex.org/I4210109586","display_name":"Moscow Institute of Thermal Technology","ror":"https://ror.org/021es5e59","country_code":"RU","type":"facility","lineage":["https://openalex.org/I4210109586"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Kautz, Jan","raw_affiliation_strings":["MIT"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"MIT","institution_ids":["https://openalex.org/I4210109586"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103009697","display_name":"Jaakko Lehtinen","orcid":"https://orcid.org/0000-0001-9418-4944"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lehtinen, Jaakko","raw_affiliation_strings":["Helsinki University of Technology/TML and Remedy Entertainment, Ltd.#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Helsinki University of Technology/TML and Remedy Entertainment, Ltd.#TAB#","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080133323","display_name":"Timo Aila","orcid":"https://orcid.org/0000-0002-9437-4438"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Aila, Timo","raw_affiliation_strings":["Helsinki University of Technology/TML and Hybrid Graphics, Ltd.#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Helsinki University of Technology/TML and Hybrid Graphics, Ltd.#TAB#","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":65,"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":0.9998999834060669,"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":0.9998999834060669,"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":0.998199999332428,"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"}},{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9975000023841858,"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/precomputation","display_name":"Precomputation","score":0.9346171021461487},{"id":"https://openalex.org/keywords/rendering","display_name":"Rendering (computer graphics)","score":0.8282402753829956},{"id":"https://openalex.org/keywords/radiance","display_name":"Radiance","score":0.7712613940238953},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7470133900642395},{"id":"https://openalex.org/keywords/bidirectional-reflectance-distribution-function","display_name":"Bidirectional reflectance distribution function","score":0.7409248948097229},{"id":"https://openalex.org/keywords/global-illumination","display_name":"Global illumination","score":0.7089974880218506},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.596104621887207},{"id":"https://openalex.org/keywords/image-based-lighting","display_name":"Image-based lighting","score":0.5954700112342834},{"id":"https://openalex.org/keywords/real-time-rendering","display_name":"Real-time rendering","score":0.551239013671875},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5345876216888428},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4992508888244629},{"id":"https://openalex.org/keywords/visibility","display_name":"Visibility","score":0.4176928997039795},{"id":"https://openalex.org/keywords/image-based-modeling-and-rendering","display_name":"Image-based modeling and rendering","score":0.287851482629776},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.2453937828540802},{"id":"https://openalex.org/keywords/reflectivity","display_name":"Reflectivity","score":0.23451673984527588},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.22871893644332886},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1607116460800171},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.13688170909881592}],"concepts":[{"id":"https://openalex.org/C159379195","wikidata":"https://www.wikidata.org/wiki/Q7239568","display_name":"Precomputation","level":3,"score":0.9346171021461487},{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.8282402753829956},{"id":"https://openalex.org/C23690007","wikidata":"https://www.wikidata.org/wiki/Q1411145","display_name":"Radiance","level":2,"score":0.7712613940238953},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7470133900642395},{"id":"https://openalex.org/C151596937","wikidata":"https://www.wikidata.org/wiki/Q856980","display_name":"Bidirectional reflectance distribution function","level":3,"score":0.7409248948097229},{"id":"https://openalex.org/C89720835","wikidata":"https://www.wikidata.org/wiki/Q1531701","display_name":"Global illumination","level":3,"score":0.7089974880218506},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.596104621887207},{"id":"https://openalex.org/C204060014","wikidata":"https://www.wikidata.org/wiki/Q6002069","display_name":"Image-based lighting","level":4,"score":0.5954700112342834},{"id":"https://openalex.org/C116921373","wikidata":"https://www.wikidata.org/wiki/Q2816483","display_name":"Real-time rendering","level":3,"score":0.551239013671875},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5345876216888428},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4992508888244629},{"id":"https://openalex.org/C123403432","wikidata":"https://www.wikidata.org/wiki/Q654068","display_name":"Visibility","level":2,"score":0.4176928997039795},{"id":"https://openalex.org/C44185422","wikidata":"https://www.wikidata.org/wiki/Q6002064","display_name":"Image-based modeling and rendering","level":3,"score":0.287851482629776},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2453937828540802},{"id":"https://openalex.org/C108597893","wikidata":"https://www.wikidata.org/wiki/Q663650","display_name":"Reflectivity","level":2,"score":0.23451673984527588},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.22871893644332886},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1607116460800171},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.13688170909881592}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:eprints.ucl.ac.uk.OAI2:154837","is_oa":false,"landing_page_url":"http://discovery.ucl.ac.uk/154837/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400024","display_name":"UCL Discovery (University College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I45129253","host_organization_name":"University College London","host_organization_lineage":["https://openalex.org/I45129253"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"     In: Keller, A and Jensen, HW, (eds.)   (pp. pp. 179-184).  Eurographics Association (2004)     ","raw_type":"Proceedings paper"},{"id":"doi:10.2312/egwr/egsr04/179-184","is_oa":true,"landing_page_url":"https://doi.org/10.2312/egwr/egsr04/179-184","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/egwr/egsr04/179-184","is_oa":true,"landing_page_url":"https://doi.org/10.2312/egwr/egsr04/179-184","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":[{"score":0.550000011920929,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1965458840","https://openalex.org/W1981980567","https://openalex.org/W2027509884","https://openalex.org/W2042183142","https://openalex.org/W2063087073","https://openalex.org/W2081524137","https://openalex.org/W2099481834","https://openalex.org/W2104227581","https://openalex.org/W2105649179","https://openalex.org/W2106598309","https://openalex.org/W2120131950","https://openalex.org/W2123531537","https://openalex.org/W2133838187","https://openalex.org/W2141294397","https://openalex.org/W2164369380","https://openalex.org/W2998555201","https://openalex.org/W3000472182","https://openalex.org/W3005817654"],"related_works":["https://openalex.org/W2164369380","https://openalex.org/W1977116206","https://openalex.org/W2027509884","https://openalex.org/W2076669957","https://openalex.org/W1974644415","https://openalex.org/W2007716752","https://openalex.org/W2111999986","https://openalex.org/W2106598309","https://openalex.org/W2052843220","https://openalex.org/W2146903434","https://openalex.org/W2103004774","https://openalex.org/W2093977209","https://openalex.org/W2010209432","https://openalex.org/W2912424718","https://openalex.org/W2139618623","https://openalex.org/W2105649179","https://openalex.org/W2042183142","https://openalex.org/W2036750154","https://openalex.org/W2017273781","https://openalex.org/W1975809426"],"abstract_inverted_index":{"We":[0],"present":[1],"a":[2,37,49],"method":[3,24,114],"for":[4],"interactive":[5],"rendering":[6,45],"of":[7,59,74],"dynamic":[8],"models":[9],"with":[10,53],"self-shadows":[11],"due":[12],"to":[13,20,28,62,97],"time-varying,":[14],"lowfrequency":[15],"lighting":[16,64,95],"environments.":[17],"In":[18],"contrast":[19],"previous":[21],"techniques,":[22],"the":[23,63,69,75,78,83,94,99],"is":[25,36,65,106],"not":[26],"limited":[27],"static":[29],"or":[30],"preanimated":[31],"models.":[32],"Our":[33],"main":[34],"contribution":[35],"hemispherical":[38],"rasterizer,":[39],"which":[40],"rapidly":[41],"computes":[42],"visibility":[43,70],"by":[44,67,93],"blocker":[46],"geometry":[47],"into":[48],"2D":[50],"occlusion":[51],"mask":[52],"correct":[54],"occluder":[55],"fusion.":[56],"The":[57,113],"response":[58],"an":[60],"object":[61],"found":[66],"integrating":[68],"function":[71],"at":[72],"each":[73],"vertices":[76],"against":[77],"spherical":[79],"harmonic":[80],"functions":[81],"and":[82,108,118],"BRDF.":[84],"This":[85],"yields":[86],"transfer":[87],"coefficients":[88,96],"that":[89],"are":[90,111],"then":[91],"multiplied":[92],"obtain":[98],"final,":[100],"shadowed":[101],"exitant":[102],"radiance.":[103],"No":[104],"precomputation":[105],"necessary":[107],"memory":[109],"requirements":[110],"modest.":[112],"supports":[115],"both":[116],"diffuse":[117],"glossy":[119],"BRDFs.":[120]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}