{"id":"https://openalex.org/W3037801065","doi":"https://doi.org/10.2312/sr.20191219","title":"Foveated Real-Time Path Tracing in Visual-Polar Space","display_name":"Foveated Real-Time Path Tracing in Visual-Polar Space","publication_year":2019,"publication_date":"2019-01-01","ids":{"openalex":"https://openalex.org/W3037801065","doi":"https://doi.org/10.2312/sr.20191219","mag":"3037801065"},"language":"en","primary_location":{"id":"pmh:oai:trepo.tuni.fi:10024/215602","is_oa":false,"landing_page_url":"https://trepo.tuni.fi/handle/10024/215602","pdf_url":null,"source":{"id":"https://openalex.org/S7407055260","display_name":"Trepo - Institutional Repository of Tampere University","issn_l":null,"issn":null,"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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"conference"},"type":"article","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.2312/sr.20191219","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5088868532","display_name":"Matias Koskela","orcid":"https://orcid.org/0000-0002-5839-7640"},"institutions":[{"id":"https://openalex.org/I4210102792","display_name":"Tieto (Czechia)","ror":"https://ror.org/019nq5750","country_code":"CZ","type":"company","lineage":["https://openalex.org/I4210102792","https://openalex.org/I4210163439"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Koskela, Matias","raw_affiliation_strings":["Tietotekniikka"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tietotekniikka","institution_ids":["https://openalex.org/I4210102792"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072283726","display_name":"Atro Lotvonen","orcid":null},"institutions":[{"id":"https://openalex.org/I166825849","display_name":"Tampere University","ror":"https://ror.org/033003e23","country_code":"FI","type":"education","lineage":["https://openalex.org/I166825849"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Lotvonen, Atro","raw_affiliation_strings":["Tampere University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tampere University","institution_ids":["https://openalex.org/I166825849"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014056494","display_name":"Markku M\u00e4kitalo","orcid":"https://orcid.org/0000-0001-8164-0031"},"institutions":[{"id":"https://openalex.org/I4210102792","display_name":"Tieto (Czechia)","ror":"https://ror.org/019nq5750","country_code":"CZ","type":"company","lineage":["https://openalex.org/I4210102792","https://openalex.org/I4210163439"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"M\u00e4kitalo, Markku","raw_affiliation_strings":["Tietotekniikka"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tietotekniikka","institution_ids":["https://openalex.org/I4210102792"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012007349","display_name":"Petrus Kivi","orcid":"https://orcid.org/0000-0001-9680-7113"},"institutions":[{"id":"https://openalex.org/I4210102792","display_name":"Tieto (Czechia)","ror":"https://ror.org/019nq5750","country_code":"CZ","type":"company","lineage":["https://openalex.org/I4210102792","https://openalex.org/I4210163439"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Kivi, Petrus","raw_affiliation_strings":["Tietotekniikka"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tietotekniikka","institution_ids":["https://openalex.org/I4210102792"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082235051","display_name":"Timo Viitanen","orcid":"https://orcid.org/0000-0003-1082-9587"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Viitanen, Timo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5050272735","display_name":"Pekka J\u00e4\u00e4skel\u00e4inen","orcid":"https://orcid.org/0000-0001-5707-8544"},"institutions":[{"id":"https://openalex.org/I4210102792","display_name":"Tieto (Czechia)","ror":"https://ror.org/019nq5750","country_code":"CZ","type":"company","lineage":["https://openalex.org/I4210102792","https://openalex.org/I4210163439"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"J\u00e4\u00e4skel\u00e4inen, Pekka","raw_affiliation_strings":["Tietotekniikka"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tietotekniikka","institution_ids":["https://openalex.org/I4210102792"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.0169,"has_fulltext":false,"cited_by_count":19,"citation_normalized_percentile":{"value":0.816162,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"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/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.8377000093460083,"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/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.8377000093460083,"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/T13382","display_name":"Robotics and Automated Systems","score":0.7317000031471252,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"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":0.7167999744415283,"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/computer-vision","display_name":"Computer vision","score":0.641843855381012},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6188238263130188},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5326167345046997},{"id":"https://openalex.org/keywords/tracing","display_name":"Tracing","score":0.508801281452179},{"id":"https://openalex.org/keywords/path","display_name":"Path (computing)","score":0.4749322533607483},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.41528207063674927}],"concepts":[{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.641843855381012},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6188238263130188},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5326167345046997},{"id":"https://openalex.org/C138673069","wikidata":"https://www.wikidata.org/wiki/Q322229","display_name":"Tracing","level":2,"score":0.508801281452179},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.4749322533607483},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.41528207063674927},{"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:trepo.tuni.fi:10024/215602","is_oa":false,"landing_page_url":"https://trepo.tuni.fi/handle/10024/215602","pdf_url":null,"source":{"id":"https://openalex.org/S7407055260","display_name":"Trepo - Institutional Repository of Tampere University","issn_l":null,"issn":null,"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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"conference"},{"id":"doi:10.2312/sr.20191219","is_oa":true,"landing_page_url":"https://doi.org/10.2312/sr.20191219","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-journal"}],"best_oa_location":{"id":"doi:10.2312/sr.20191219","is_oa":true,"landing_page_url":"https://doi.org/10.2312/sr.20191219","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-journal"},"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/W2883631892","https://openalex.org/W1968607211","https://openalex.org/W2941909038","https://openalex.org/W2498842387"],"abstract_inverted_index":{"Computing":[0],"power":[1],"is":[2,25,54,86],"still":[3],"the":[4,18,23,51,60,104,110,117,144,167],"limiting":[5],"factor":[6],"in":[7,59,78,101,166],"photorealistic":[8],"real-time":[9,32,68,81,177],"rendering.":[10],"Foveated":[11],"rendering":[12,19,30,52,118,178],"improves":[13,159],"perceived":[14,125],"quality":[15,165],"by":[16],"focusing":[17],"effort":[20],"on":[21,39],"where":[22,35],"user":[24],"looking":[26],"at.":[27],"Applying":[28],"foveated":[29,67],"to":[31,90,140],"path":[33,69,82,94,174],"tracing":[34,70,83,95,175,188],"we":[36,65],"must":[37],"work":[38],"a":[40,74,96],"very":[41],"small":[42],"number":[43],"of":[44,99,143],"samples":[45,100],"per":[46,162],"pixel":[47,163],"introduces":[48],"additional":[49],"challenges;":[50],"result":[53],"thoroughly":[55],"noisy":[56],"and":[57,72,84,119],"sparse":[58],"periphery.":[61],"In":[62,127],"this":[63],"paper":[64],"demonstrate":[66],"system":[71],"propose":[73],"novel":[75],"Visual-Polar":[76,102,157,172],"space":[77,106,158],"which":[79],"both":[80,116],"denoising":[85,120,164],"done":[87],"before":[88],"mapping":[89],"screen":[91,105],"space.":[92],"When":[93],"regular":[97],"grid":[98],"space,":[103,133],"sample":[107,161],"distribution":[108],"follows":[109],"human":[111],"visual":[112],"acuity":[113],"model,":[114],"making":[115,149],"2:5x":[121],"faster":[122],"with":[123],"similar":[124],"quality.":[126],"addition,":[128],"when":[129],"using":[130],"Visual-":[131],"Polar":[132],"primary":[134],"rays":[135],"stay":[136],"more":[137],"coherent,":[138],"leading":[139],"improved":[141],"utilization":[142],"GPU":[145],"resources":[146],"and,":[147],"therefore,":[148],"ray":[150,187],"traversal":[151],"1.3":[152],"-":[153],"1.5x":[154],"faster.":[155],"Moreover,":[156],"1":[160],"fovea.":[168],"We":[169],"show":[170],"that":[171],"based":[173],"enables":[176],"for":[179],"contemporary":[180],"virtual":[181],"reality":[182],"devices":[183],"even":[184],"without":[185],"dedicated":[186],"hardware":[189],"acceleration.":[190]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":3}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}