{"id":"https://openalex.org/W1943392407","doi":"https://doi.org/10.1007/s41095-015-0010-8","title":"Anisotropic density estimation for photon mapping","display_name":"Anisotropic density estimation for photon mapping","publication_year":2015,"publication_date":"2015-08-14","ids":{"openalex":"https://openalex.org/W1943392407","doi":"https://doi.org/10.1007/s41095-015-0010-8","mag":"1943392407"},"language":"en","primary_location":{"id":"doi:10.1007/s41095-015-0010-8","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s41095-015-0010-8","pdf_url":"https://link.springer.com/content/pdf/10.1007/s41095-015-0010-8.pdf","source":{"id":"https://openalex.org/S2487656537","display_name":"Computational Visual Media","issn_l":"2096-0433","issn":["2096-0433","2096-0662"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computational Visual Media","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://link.springer.com/content/pdf/10.1007/s41095-015-0010-8.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5061806060","display_name":"Fujun Luan","orcid":"https://orcid.org/0000-0001-5926-6266"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Fu-Jun Luan","raw_affiliation_strings":["TNList, Department of Computer Science and Technology, Tsinghua University, Beijing 100084, China","Tsinghua University"],"affiliations":[{"raw_affiliation_string":"TNList, Department of Computer Science and Technology, Tsinghua University, Beijing 100084, China","institution_ids":["https://openalex.org/I99065089"]},{"raw_affiliation_string":"Tsinghua University","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109070559","display_name":"Li-Fan Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Li-Fan Wu","raw_affiliation_strings":["TNList, Department of Computer Science and Technology, Tsinghua University, Beijing 100084, China","Tsinghua University"],"affiliations":[{"raw_affiliation_string":"TNList, Department of Computer Science and Technology, Tsinghua University, Beijing 100084, China","institution_ids":["https://openalex.org/I99065089"]},{"raw_affiliation_string":"Tsinghua University","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029335824","display_name":"Kun Xu","orcid":"https://orcid.org/0000-0002-2671-4170"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kun Xu","raw_affiliation_strings":["TNList, Department of Computer Science and Technology, Tsinghua University, Beijing 100084, China","Tsinghua University"],"affiliations":[{"raw_affiliation_string":"TNList, Department of Computer Science and Technology, Tsinghua University, Beijing 100084, China","institution_ids":["https://openalex.org/I99065089"]},{"raw_affiliation_string":"Tsinghua University","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5061806060"],"corresponding_institution_ids":["https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":0.8869,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.78780935,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"1","issue":"3","first_page":"221","last_page":"228"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9995999932289124,"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":0.9929999709129333,"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/rendering","display_name":"Rendering (computer graphics)","score":0.7537172436714172},{"id":"https://openalex.org/keywords/isotropy","display_name":"Isotropy","score":0.6684669852256775},{"id":"https://openalex.org/keywords/anisotropy","display_name":"Anisotropy","score":0.6274662613868713},{"id":"https://openalex.org/keywords/radiance","display_name":"Radiance","score":0.5798918604850769},{"id":"https://openalex.org/keywords/kernel","display_name":"Kernel (algebra)","score":0.5620908141136169},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5387697219848633},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5366015434265137},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.526915967464447},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5220137238502502},{"id":"https://openalex.org/keywords/kernel-density-estimation","display_name":"Kernel density estimation","score":0.5002419948577881},{"id":"https://openalex.org/keywords/density-estimation","display_name":"Density estimation","score":0.47650542855262756},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3350992202758789},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.30860376358032227},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.30132853984832764},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2971673011779785},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.10177654027938843}],"concepts":[{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.7537172436714172},{"id":"https://openalex.org/C184050105","wikidata":"https://www.wikidata.org/wiki/Q273163","display_name":"Isotropy","level":2,"score":0.6684669852256775},{"id":"https://openalex.org/C85725439","wikidata":"https://www.wikidata.org/wiki/Q466686","display_name":"Anisotropy","level":2,"score":0.6274662613868713},{"id":"https://openalex.org/C23690007","wikidata":"https://www.wikidata.org/wiki/Q1411145","display_name":"Radiance","level":2,"score":0.5798918604850769},{"id":"https://openalex.org/C74193536","wikidata":"https://www.wikidata.org/wiki/Q574844","display_name":"Kernel (algebra)","level":2,"score":0.5620908141136169},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5387697219848633},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5366015434265137},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.526915967464447},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5220137238502502},{"id":"https://openalex.org/C71134354","wikidata":"https://www.wikidata.org/wiki/Q458825","display_name":"Kernel density estimation","level":3,"score":0.5002419948577881},{"id":"https://openalex.org/C189508267","wikidata":"https://www.wikidata.org/wiki/Q17088227","display_name":"Density estimation","level":3,"score":0.47650542855262756},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3350992202758789},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.30860376358032227},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.30132853984832764},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2971673011779785},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.10177654027938843},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"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/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s41095-015-0010-8","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s41095-015-0010-8","pdf_url":"https://link.springer.com/content/pdf/10.1007/s41095-015-0010-8.pdf","source":{"id":"https://openalex.org/S2487656537","display_name":"Computational Visual Media","issn_l":"2096-0433","issn":["2096-0433","2096-0662"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computational Visual Media","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1007/s41095-015-0010-8","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s41095-015-0010-8","pdf_url":"https://link.springer.com/content/pdf/10.1007/s41095-015-0010-8.pdf","source":{"id":"https://openalex.org/S2487656537","display_name":"Computational Visual Media","issn_l":"2096-0433","issn":["2096-0433","2096-0662"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computational Visual Media","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1121271761","display_name":null,"funder_award_id":"Program","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5703678207","display_name":null,"funder_award_id":"61170153","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1943392407.pdf","grobid_xml":"https://content.openalex.org/works/W1943392407.grobid-xml"},"referenced_works_count":35,"referenced_works":["https://openalex.org/W161882702","https://openalex.org/W1535835519","https://openalex.org/W1551583610","https://openalex.org/W1839423748","https://openalex.org/W1968244996","https://openalex.org/W1986743298","https://openalex.org/W2008870867","https://openalex.org/W2015973708","https://openalex.org/W2027979483","https://openalex.org/W2040093013","https://openalex.org/W2054627943","https://openalex.org/W2058810187","https://openalex.org/W2065716334","https://openalex.org/W2066334759","https://openalex.org/W2087571242","https://openalex.org/W2094199382","https://openalex.org/W2104587129","https://openalex.org/W2104814486","https://openalex.org/W2118841697","https://openalex.org/W2128487064","https://openalex.org/W2142380402","https://openalex.org/W2144736368","https://openalex.org/W2150575530","https://openalex.org/W2152859945","https://openalex.org/W2153160066","https://openalex.org/W2153935912","https://openalex.org/W2160203169","https://openalex.org/W2167031184","https://openalex.org/W2173197174","https://openalex.org/W2173672816","https://openalex.org/W2296516740","https://openalex.org/W2762386846","https://openalex.org/W2907128836","https://openalex.org/W4243817721","https://openalex.org/W4246951963"],"related_works":["https://openalex.org/W1482149696","https://openalex.org/W2977337932","https://openalex.org/W2144201579","https://openalex.org/W4240479520","https://openalex.org/W3123419490","https://openalex.org/W2007242302","https://openalex.org/W4311428604","https://openalex.org/W1502956129","https://openalex.org/W4251895760","https://openalex.org/W3181529928"],"abstract_inverted_index":{"Photon":[0],"mapping":[1],"is":[2,26,40,48,88,107],"a":[3,23,29],"widely":[4],"used":[5],"technique":[6],"for":[7,55,75],"global":[8],"illumination":[9],"rendering.":[10],"In":[11,66],"the":[12,19,51,91],"density":[13,76],"estimation":[14,77],"step":[15],"of":[16,98],"photon":[17,103],"mapping,":[18,104],"indirect":[20],"radiance":[21],"at":[22],"shading":[24],"point":[25],"estimated":[27],"through":[28],"filtering":[30,38,73,86],"process":[31],"using":[32,44],"nearby":[33],"stored":[34],"photons;":[35],"an":[36,45,71],"isotropic":[37,46],"kernel":[39,47,74,87],"usually":[41],"used.":[42],"However,":[43],"not":[49],"always":[50],"optimal":[52],"choice,":[53],"especially":[54],"cases":[56],"when":[57,117],"eye":[58,82],"paths":[59],"intersect":[60],"with":[61,63,113],"surfaces":[62],"anisotropic":[64,72,81,85,94,121],"BRDFs.":[65,99,122],"this":[67],"paper,":[68],"we":[69],"propose":[70],"to":[78,101,109],"handle":[79],"such":[80],"paths.":[83],"The":[84],"derived":[89],"from":[90],"recently":[92],"introduced":[93],"spherical":[95],"Gaussian":[96],"representation":[97],"Compared":[100],"conventional":[102],"our":[105],"method":[106],"able":[108],"reduce":[110],"rendering":[111,118],"errors":[112],"negligible":[114],"additional":[115],"cost":[116],"scenes":[119],"containing":[120]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}