{"id":"https://openalex.org/W2269313141","doi":"https://doi.org/10.2312/eg2011/short/033-036","title":"Improving Shadow Map Filtering with Statistical Analysis","display_name":"Improving Shadow Map Filtering with Statistical Analysis","publication_year":2011,"publication_date":"2011-01-01","ids":{"openalex":"https://openalex.org/W2269313141","doi":"https://doi.org/10.2312/eg2011/short/033-036","mag":"2269313141"},"language":"en","primary_location":{"id":"doi:10.2312/eg2011/short/033-036","is_oa":true,"landing_page_url":"https://doi.org/10.2312/eg2011/short/033-036","pdf_url":null,"source":{"id":"https://openalex.org/S7407052899","display_name":"Eurographics","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":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"type":"other","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.2312/eg2011/short/033-036","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5027139000","display_name":"Jes\u00fas Gumbau","orcid":null},"institutions":[{"id":"https://openalex.org/I10902133","display_name":"Universitat Jaume I","ror":"https://ror.org/02ws1xc11","country_code":"ES","type":"education","lineage":["https://openalex.org/I10902133"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Gumbau, Jesus","raw_affiliation_strings":["Universitat Jaume I, Castellon, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universitat Jaume I, Castellon, Spain","institution_ids":["https://openalex.org/I10902133"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071523897","display_name":"L\u00e1szl\u00f3 Szirmay\u2010Kalos","orcid":"https://orcid.org/0000-0002-8523-2315"},"institutions":[{"id":"https://openalex.org/I29770179","display_name":"Budapest University of Technology and Economics","ror":"https://ror.org/02w42ss30","country_code":"HU","type":"education","lineage":["https://openalex.org/I29770179"]}],"countries":["HU"],"is_corresponding":false,"raw_author_name":"Szirmay-Kalos, L\u00e1szl\u00f3","raw_affiliation_strings":["Budapest University of Technology and Economics, Budapest, Hungary"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Budapest University of Technology and Economics, Budapest, Hungary","institution_ids":["https://openalex.org/I29770179"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045086893","display_name":"Mateu Sbert","orcid":"https://orcid.org/0000-0003-2164-6858"},"institutions":[{"id":"https://openalex.org/I251424209","display_name":"Universitat de Girona","ror":"https://ror.org/01xdxns91","country_code":"ES","type":"education","lineage":["https://openalex.org/I251424209"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Sbert, Mateu","raw_affiliation_strings":["University of Girona, Girona, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Girona, Girona, Spain","institution_ids":["https://openalex.org/I251424209"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5046500348","display_name":"Miguel Chover Sell\u00e9s","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sell\u00e9s, Miguel Chover","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"33","last_page":"36"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9959999918937683,"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":0.9959999918937683,"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":0.9919999837875366,"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/T12549","display_name":"Image and Object Detection Techniques","score":0.9825999736785889,"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-science","display_name":"Computer science","score":0.631765604019165},{"id":"https://openalex.org/keywords/shadow","display_name":"Shadow (psychology)","score":0.6297411918640137},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.48168644309043884},{"id":"https://openalex.org/keywords/filtering-theory","display_name":"Filtering theory","score":0.4594508111476898},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.40023210644721985},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3689368963241577},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3377617597579956}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.631765604019165},{"id":"https://openalex.org/C117797892","wikidata":"https://www.wikidata.org/wiki/Q286363","display_name":"Shadow (psychology)","level":2,"score":0.6297411918640137},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.48168644309043884},{"id":"https://openalex.org/C2988922011","wikidata":"https://www.wikidata.org/wiki/Q5449244","display_name":"Filtering theory","level":2,"score":0.4594508111476898},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.40023210644721985},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3689368963241577},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3377617597579956},{"id":"https://openalex.org/C542102704","wikidata":"https://www.wikidata.org/wiki/Q183257","display_name":"Psychotherapist","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.2312/eg2011/short/033-036","is_oa":true,"landing_page_url":"https://doi.org/10.2312/eg2011/short/033-036","pdf_url":null,"source":{"id":"https://openalex.org/S7407052899","display_name":"Eurographics","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":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":null},{"id":"mag:2269313141","is_oa":false,"landing_page_url":"https://dblp.uni-trier.de/db/conf/eurographics/eg-short2011.html#GumbauSSS11","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":"Eurographics","raw_type":null}],"best_oa_location":{"id":"doi:10.2312/eg2011/short/033-036","is_oa":true,"landing_page_url":"https://doi.org/10.2312/eg2011/short/033-036","pdf_url":null,"source":{"id":"https://openalex.org/S7407052899","display_name":"Eurographics","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":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":1,"referenced_works":["https://openalex.org/W1559077311"],"related_works":["https://openalex.org/W2762931792","https://openalex.org/W1563083942","https://openalex.org/W3197207297","https://openalex.org/W2130263697","https://openalex.org/W1992438032","https://openalex.org/W2142140130","https://openalex.org/W2024845132","https://openalex.org/W2959620781","https://openalex.org/W1999376259","https://openalex.org/W1631732093","https://openalex.org/W1975035929","https://openalex.org/W2126782237","https://openalex.org/W2533323682","https://openalex.org/W1985012902","https://openalex.org/W2118589119","https://openalex.org/W2004854224","https://openalex.org/W2167132694","https://openalex.org/W2965416815","https://openalex.org/W2590934993","https://openalex.org/W2068933438"],"abstract_inverted_index":{"Shadow":[0,8],"maps":[1,9],"are":[2],"widely":[3],"used":[4],"in":[5],"real-time":[6],"applications.":[7],"cannot":[10],"be":[11],"filtered":[12],"linearly":[13],"as":[14],"regular":[15],"textures,":[16],"thus":[17],"undersampling":[18],"leads":[19],"to":[20,35,41,98],"severe":[21],"aliasing.":[22],"This":[23,79],"problem":[24],"has":[25],"been":[26],"attacked":[27],"by":[28],"methods":[29],"that":[30],"transform":[31],"the":[32,68,94,101],"depth":[33],"values":[34],"allow":[36],"approximate":[37],"linear":[38],"filtering":[39,61],"and":[40,88,104],"approaches":[42],"based":[43],"on":[44,100],"statistical":[45,60],"analysis,":[46],"which":[47,66],"suffer":[48],"from":[49],"\u0093light":[50,83],"bleeding\u0094":[51,84],"artifacts.":[52],"In":[53],"this":[54],"paper":[55],"we":[56],"propose":[57],"a":[58,76],"new":[59],"method":[62],"for":[63],"shadow":[64],"maps,":[65],"approximates":[67],"cumulative":[69],"distribution":[70],"function":[71],"(CDF)":[72],"of":[73],"depths":[74],"with":[75],"power":[77],"function.":[78],"approximation":[80],"significantly":[81],"reduces":[82],"artifacts,":[85],"maintaining":[86],"performance":[87],"spatial":[89],"costs.":[90],"Like":[91],"existing":[92],"techniques,":[93],"algorithm":[95],"is":[96,105],"easy":[97],"implement":[99],"graphics":[102],"hardware":[103],"fairly":[106],"scalable.":[107]},"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2025-10-10T00:00:00"}
