{"id":"https://openalex.org/W2492437282","doi":"https://doi.org/10.1145/2897839.2927416","title":"Estimating local Beckmann roughness for complex BSDFs","display_name":"Estimating local Beckmann roughness for complex BSDFs","publication_year":2016,"publication_date":"2016-07-19","ids":{"openalex":"https://openalex.org/W2492437282","doi":"https://doi.org/10.1145/2897839.2927416","mag":"2492437282"},"language":"en","primary_location":{"id":"doi:10.1145/2897839.2927416","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2897839.2927416","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM SIGGRAPH 2016 Talks","raw_type":"proceedings-article"},"type":"preprint","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":"https://openalex.org/A5042725809","display_name":"Nicolas Holzschuch","orcid":"https://orcid.org/0000-0002-5673-6960"},"institutions":[{"id":"https://openalex.org/I1326498283","display_name":"Institut national de recherche en informatique et en automatique","ror":"https://ror.org/02kvxyf05","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1326498283"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"Nicolas Holzschuch","raw_affiliation_strings":["Inria","MAVERICK  - Models and Algorithms for Visualization and Rendering (655 avenue de l'Europe 38334 Saint Ismier Cedex - France)"],"affiliations":[{"raw_affiliation_string":"Inria","institution_ids":["https://openalex.org/I1326498283"]},{"raw_affiliation_string":"MAVERICK  - Models and Algorithms for Visualization and Rendering (655 avenue de l'Europe 38334 Saint Ismier Cedex - France)","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014125476","display_name":"Anton Kaplanyan","orcid":"https://orcid.org/0000-0002-8376-6719"},"institutions":[{"id":"https://openalex.org/I1304085615","display_name":"Nvidia (United Kingdom)","ror":"https://ror.org/02kr42612","country_code":"GB","type":"company","lineage":["https://openalex.org/I1304085615","https://openalex.org/I4210127875"]},{"id":"https://openalex.org/I4210127875","display_name":"Nvidia (United States)","ror":"https://ror.org/03jdj4y14","country_code":"US","type":"company","lineage":["https://openalex.org/I4210127875"]}],"countries":["GB","US"],"is_corresponding":false,"raw_author_name":"Anton Kaplanyan","raw_affiliation_strings":["Nvidia Research","NVIDIA Research [Austin] (NVIDIA Research - United States)"],"affiliations":[{"raw_affiliation_string":"Nvidia Research","institution_ids":["https://openalex.org/I1304085615"]},{"raw_affiliation_string":"NVIDIA Research [Austin] (NVIDIA Research - United States)","institution_ids":["https://openalex.org/I4210127875"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064564006","display_name":"Johannes Hanika","orcid":"https://orcid.org/0000-0002-7648-1782"},"institutions":[{"id":"https://openalex.org/I102335020","display_name":"Karlsruhe Institute of Technology","ror":"https://ror.org/04t3en479","country_code":"DE","type":"education","lineage":["https://openalex.org/I102335020","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Johannes Hanika","raw_affiliation_strings":["Karlsruhe Institute of Technology","Weta Digital (P.O Box 15208 9-11 Manuka Street Miramar, Wellington New Zealand 6022 - New Zealand)"],"affiliations":[{"raw_affiliation_string":"Karlsruhe Institute of Technology","institution_ids":["https://openalex.org/I102335020"]},{"raw_affiliation_string":"Weta Digital (P.O Box 15208 9-11 Manuka Street Miramar, Wellington New Zealand 6022 - New Zealand)","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026357260","display_name":"Carsten Dachsbacher","orcid":"https://orcid.org/0000-0003-4690-3574"},"institutions":[{"id":"https://openalex.org/I102335020","display_name":"Karlsruhe Institute of Technology","ror":"https://ror.org/04t3en479","country_code":"DE","type":"education","lineage":["https://openalex.org/I102335020","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Carsten Dachsbacher","raw_affiliation_strings":["Karlsruhe Institute of Technology"],"affiliations":[{"raw_affiliation_string":"Karlsruhe Institute of Technology","institution_ids":["https://openalex.org/I102335020"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5042725809"],"corresponding_institution_ids":["https://openalex.org/I1326498283"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.1031302,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"2"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9987999796867371,"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":0.9987999796867371,"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/T11992","display_name":"CCD and CMOS Imaging Sensors","score":0.9872999787330627,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T11019","display_name":"Image Enhancement Techniques","score":0.9855999946594238,"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/curvature","display_name":"Curvature","score":0.6810252666473389},{"id":"https://openalex.org/keywords/vertex","display_name":"Vertex (graph theory)","score":0.5479205250740051},{"id":"https://openalex.org/keywords/rendering","display_name":"Rendering (computer graphics)","score":0.528190016746521},{"id":"https://openalex.org/keywords/scattering","display_name":"Scattering","score":0.5186230540275574},{"id":"https://openalex.org/keywords/surface-finish","display_name":"Surface finish","score":0.49213165044784546},{"id":"https://openalex.org/keywords/global-illumination","display_name":"Global illumination","score":0.48244673013687134},{"id":"https://openalex.org/keywords/light-scattering","display_name":"Light scattering","score":0.46402648091316223},{"id":"https://openalex.org/keywords/surface-roughness","display_name":"Surface roughness","score":0.4179905354976654},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.40354666113853455},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3723895251750946},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.32596293091773987},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.3237648010253906},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3113919198513031},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2905293107032776},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.27151402831077576},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.23228409886360168},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.14921292662620544},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.1088690459728241}],"concepts":[{"id":"https://openalex.org/C195065555","wikidata":"https://www.wikidata.org/wiki/Q214881","display_name":"Curvature","level":2,"score":0.6810252666473389},{"id":"https://openalex.org/C80899671","wikidata":"https://www.wikidata.org/wiki/Q1304193","display_name":"Vertex (graph theory)","level":3,"score":0.5479205250740051},{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.528190016746521},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.5186230540275574},{"id":"https://openalex.org/C71039073","wikidata":"https://www.wikidata.org/wiki/Q3439090","display_name":"Surface finish","level":2,"score":0.49213165044784546},{"id":"https://openalex.org/C89720835","wikidata":"https://www.wikidata.org/wiki/Q1531701","display_name":"Global illumination","level":3,"score":0.48244673013687134},{"id":"https://openalex.org/C120456961","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Light scattering","level":3,"score":0.46402648091316223},{"id":"https://openalex.org/C107365816","wikidata":"https://www.wikidata.org/wiki/Q114817","display_name":"Surface roughness","level":2,"score":0.4179905354976654},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.40354666113853455},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3723895251750946},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.32596293091773987},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3237648010253906},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3113919198513031},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2905293107032776},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.27151402831077576},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.23228409886360168},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.14921292662620544},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.1088690459728241},{"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/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/2897839.2927416","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2897839.2927416","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM SIGGRAPH 2016 Talks","raw_type":"proceedings-article"},{"id":"pmh:oai:HAL:hal-01312227v1","is_oa":false,"landing_page_url":"https://inria.hal.science/hal-01312227","pdf_url":null,"source":{"id":"https://openalex.org/S4406922461","display_name":"SPIRE - Sciences Po Institutional REpository","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":"ACM Siggraph talks, Jul 2016, Anaheim, CA, United States. ⟨10.1145/2897839.2927416⟩","raw_type":"Conference papers"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.6499999761581421,"id":"https://metadata.un.org/sdg/11"}],"awards":[{"id":"https://openalex.org/G4733410450","display_name":null,"funder_award_id":"ANR-15-CE38-0005","funder_id":"https://openalex.org/F4320320883","funder_display_name":"Agence Nationale de la Recherche"}],"funders":[{"id":"https://openalex.org/F4320320883","display_name":"Agence Nationale de la Recherche","ror":"https://ror.org/00rbzpz17"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1613038574","https://openalex.org/W1795317243","https://openalex.org/W1966671941","https://openalex.org/W2141592595","https://openalex.org/W2142380402","https://openalex.org/W2150810898","https://openalex.org/W3005895305"],"related_works":["https://openalex.org/W2397912953","https://openalex.org/W2124439461","https://openalex.org/W2099004500","https://openalex.org/W4206603469","https://openalex.org/W4388994528","https://openalex.org/W2077708435","https://openalex.org/W4376115546","https://openalex.org/W1992884771","https://openalex.org/W4281488350","https://openalex.org/W2093369918"],"abstract_inverted_index":{"Many":[0],"light":[1,13,48,60],"transport":[2,61],"related":[3],"techniques":[4],"require":[5],"an":[6,97,111],"analysis":[7,30],"of":[8,12,31,52,92,160,165],"the":[9,56,93,105,151],"blur":[10],"width":[11],"scattering":[14,153],"at":[15,101],"a":[16,21,124,157],"path":[17,57,106],"vertex,":[18],"for":[19,28,67,127,144,163],"instance":[20,29],"Beckmann":[22,99,119,171],"roughness.":[23],"Such":[24],"use":[25],"cases":[26],"are":[27],"expected":[32],"variance":[33],"(and":[34],"potential":[35],"biased":[36],"countermeasures":[37],"in":[38,55,107],"production":[39],"rendering),":[40],"radiance":[41],"caching":[42],"or":[43,50],"directionally":[44],"dependent":[45],"virtual":[46],"point":[47],"sources,":[49],"determination":[51],"step":[53,114],"sizes":[54],"space":[58],"Metropolis":[59,68],"framework:":[62],"recent":[63],"advanced":[64],"mutation":[65,113],"strategies":[66],"Light":[69,83],"Transport":[70,84],"[Veach":[71],"1997],":[72],"such":[73,139,178],"as":[74,96,132,147,179],"Manifold":[75],"Exploration":[76],"[Jakob":[77],"2013]":[78],"and":[79,182],"Half":[80],"Vector":[81],"Space":[82],"[Kaplanyan":[85],"et":[86,134],"al.":[87,135],"2014]":[88],"employ":[89],"local":[90,161,170],"curvature":[91,140,162],"BSDFs":[94,164],"(such":[95,131],"average":[98,118],"roughness)":[100],"all":[102],"interactions":[103],"along":[104],"order":[108],"to":[109],"determine":[110],"optimal":[112],"size.":[115],"A":[116],"single":[117],"roughness,":[120],"however,":[121],"can":[122],"be":[123],"bad":[125],"fit":[126],"complex":[128],"measured":[129],"materials":[130,146],"[Matusik":[133],"2003])":[136],"and,":[137],"moreover,":[138],"is":[141],"completely":[142],"undefined":[143],"layered":[145],"it":[148],"depends":[149],"on":[150],"active":[152],"layer.":[154],"We":[155],"propose":[156],"robust":[158],"estimation":[159],"any":[166],"complexity":[167],"by":[168],"using":[169],"approximations,":[172],"taking":[173],"into":[174],"account":[175],"additional":[176],"factors":[177],"both":[180],"incident":[181],"outgoing":[183],"direction.":[184]},"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2026-04-16T08:26:57.006410","created_date":"2025-10-10T00:00:00"}