{"id":"https://openalex.org/W2272227925","doi":"https://doi.org/10.2312/cgvc.20141202","title":"Modelling of Clouds from a Hemispherical Image","display_name":"Modelling of Clouds from a Hemispherical Image","publication_year":2014,"publication_date":"2014-01-01","ids":{"openalex":"https://openalex.org/W2272227925","doi":"https://doi.org/10.2312/cgvc.20141202","mag":"2272227925"},"language":"en","primary_location":{"id":"pmh:oai:pure.atira.dk:publications/f7275a60-db85-48aa-a945-55b38592567e","is_oa":false,"landing_page_url":"https://vbn.aau.dk/da/publications/f7275a60-db85-48aa-a945-55b38592567e","pdf_url":null,"source":{"id":"https://openalex.org/S4306401731","display_name":"VBN Forskningsportal (Aalborg Universitet)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I891191580","host_organization_name":"Aalborg University","host_organization_lineage":["https://openalex.org/I891191580"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Alldieck, T, Lundtoft, D H, Montanari, N, Nikolov, I, Vlaykov, I G & Madsen, C B 2014, Modelling of clouds from a hemispherical image. in R Borgo & W Tang (eds), TPCG 2014 - Theory and Practice of Computer Graphics, Proceedings. European Association for Computer Graphics, TPCG 2014 - Theory and Practice of Computer Graphics, Proceedings, pp. 17-24, 2014 EG UK Theory and Practice of Computer Graphics Conference, TPCG 2014, Leeds, United Kingdom, 10/09/2014. https://doi.org/10.2312/cgvc.20141202","raw_type":"info:eu-repo/semantics/publishedVersion"},"type":"article","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.2312/cgvc.20141202","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5072771954","display_name":"Thiemo Alldieck","orcid":"https://orcid.org/0000-0002-9107-4173"},"institutions":[{"id":"https://openalex.org/I891191580","display_name":"Aalborg University","ror":"https://ror.org/04m5j1k67","country_code":"DK","type":"education","lineage":["https://openalex.org/I891191580"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Alldieck, Thiemo","raw_affiliation_strings":["Aalborg University, DK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aalborg University, DK","institution_ids":["https://openalex.org/I891191580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052112462","display_name":"Dennis H. Lundtoft","orcid":null},"institutions":[{"id":"https://openalex.org/I891191580","display_name":"Aalborg University","ror":"https://ror.org/04m5j1k67","country_code":"DK","type":"education","lineage":["https://openalex.org/I891191580"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Lundtoft, Dennis H.","raw_affiliation_strings":["Aalborg University, DK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aalborg University, DK","institution_ids":["https://openalex.org/I891191580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011353350","display_name":"Niels Montanari","orcid":"https://orcid.org/0000-0001-7118-4167"},"institutions":[{"id":"https://openalex.org/I139506611","display_name":"Sciences Po Bordeaux","ror":"https://ror.org/01b5nw197","country_code":"FR","type":"education","lineage":["https://openalex.org/I139506611"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Montanari, Niels","raw_affiliation_strings":["Bordeaux Institute of Technology, DK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bordeaux Institute of Technology, DK","institution_ids":["https://openalex.org/I139506611"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047753722","display_name":"I. Nikolov","orcid":"https://orcid.org/0000-0002-4952-8848"},"institutions":[{"id":"https://openalex.org/I891191580","display_name":"Aalborg University","ror":"https://ror.org/04m5j1k67","country_code":"DK","type":"education","lineage":["https://openalex.org/I891191580"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Nikolov, Ivan","raw_affiliation_strings":["Aalborg University, DK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aalborg University, DK","institution_ids":["https://openalex.org/I891191580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070369288","display_name":"Iskren G. Vlaykov","orcid":null},"institutions":[{"id":"https://openalex.org/I891191580","display_name":"Aalborg University","ror":"https://ror.org/04m5j1k67","country_code":"DK","type":"education","lineage":["https://openalex.org/I891191580"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Vlaykov, Iskren G.","raw_affiliation_strings":["Aalborg University, DK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aalborg University, DK","institution_ids":["https://openalex.org/I891191580"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5043247176","display_name":"Claus Madsen","orcid":"https://orcid.org/0000-0003-0762-3713"},"institutions":[{"id":"https://openalex.org/I891191580","display_name":"Aalborg University","ror":"https://ror.org/04m5j1k67","country_code":"DK","type":"education","lineage":["https://openalex.org/I891191580"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Madsen, Claus B.","raw_affiliation_strings":["Aalborg University, DK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aalborg University, DK","institution_ids":["https://openalex.org/I891191580"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"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":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":0.9983000159263611,"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":0.9983000159263611,"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/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9605000019073486,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T10052","display_name":"Medical Image Segmentation Techniques","score":0.9574999809265137,"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/image","display_name":"Image (mathematics)","score":0.4562342166900635},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.4085806906223297},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.4025111496448517},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3955668807029724},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.3472175598144531},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3066856265068054},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.19249770045280457}],"concepts":[{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4562342166900635},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.4085806906223297},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4025111496448517},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3955668807029724},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.3472175598144531},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3066856265068054},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.19249770045280457}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:pure.atira.dk:publications/f7275a60-db85-48aa-a945-55b38592567e","is_oa":false,"landing_page_url":"https://vbn.aau.dk/da/publications/f7275a60-db85-48aa-a945-55b38592567e","pdf_url":null,"source":{"id":"https://openalex.org/S4306401731","display_name":"VBN Forskningsportal (Aalborg Universitet)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I891191580","host_organization_name":"Aalborg University","host_organization_lineage":["https://openalex.org/I891191580"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Alldieck, T, Lundtoft, D H, Montanari, N, Nikolov, I, Vlaykov, I G & Madsen, C B 2014, Modelling of clouds from a hemispherical image. in R Borgo & W Tang (eds), TPCG 2014 - Theory and Practice of Computer Graphics, Proceedings. European Association for Computer Graphics, TPCG 2014 - Theory and Practice of Computer Graphics, Proceedings, pp. 17-24, 2014 EG UK Theory and Practice of Computer Graphics Conference, TPCG 2014, Leeds, United Kingdom, 10/09/2014. https://doi.org/10.2312/cgvc.20141202","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"doi:10.2312/cgvc.20141202","is_oa":true,"landing_page_url":"https://doi.org/10.2312/cgvc.20141202","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/cgvc.20141202","is_oa":true,"landing_page_url":"https://doi.org/10.2312/cgvc.20141202","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":0.6700000166893005,"display_name":"Climate action","id":"https://metadata.un.org/sdg/13"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1499855413","https://openalex.org/W1966832848","https://openalex.org/W2002010522","https://openalex.org/W2030792156","https://openalex.org/W2047080817","https://openalex.org/W2129283573","https://openalex.org/W2442667562","https://openalex.org/W2764023592"],"related_works":["https://openalex.org/W2324615561","https://openalex.org/W2086120259","https://openalex.org/W2245170124","https://openalex.org/W2076393078","https://openalex.org/W3186982001","https://openalex.org/W1984402782","https://openalex.org/W2137941439","https://openalex.org/W2004200960","https://openalex.org/W1999891779","https://openalex.org/W2029513011"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"an":[3,23],"image-based":[4,11],"method":[5,32,134],"for":[6,152],"modelling":[7],"clouds.":[8],"Unlike":[9],"previous":[10],"approaches,":[12],"a":[13,29,85,140,148],"hemispherical":[14],"photograph":[15],"is":[16,51,68,79,91,104,127],"used":[17,80,137],"as":[18],"input,":[19],"enabling":[20],"to":[21,81,120,138],"consider":[22],"entire":[24],"sky":[25,60,64,143],"instead":[26],"of":[27,38,76,97,108,114,117],"merely":[28],"portion.":[30],"Our":[31],"computes":[33],"the":[34,39,42,48,53,63,66,74,77,94,98,102,109,112,115,118,153],"intensity":[35,75,95],"and":[36,59,62,87,124],"opacity":[37,116],"clouds":[40,67,78,119,146],"from":[41],"photograph.":[43],"For":[44],"this":[45],"purpose,":[46],"beforehand,":[47],"sun":[49],"illumination":[50],"filtered,":[52],"pixels":[54],"are":[55],"classified":[56],"between":[57],"cloud":[58],"pixels,":[61],"behind":[65],"reconstructed.":[69],"After":[70],"having":[71],"been":[72],"smoothed,":[73],"create":[82],"vertices":[83],"on":[84],"hemisphere,":[86],"their":[88,122],"radius":[89],"coordinate":[90],"modulated":[92],"by":[93,106],"value":[96],"corresponding":[99],"pixel.":[100],"Finally,":[101],"mesh":[103],"generated":[105],"triangulation":[107],"vertices.":[110],"Additionally,":[111],"use":[113],"simulate":[121],"transparency":[123],"render":[125],"them":[126],"proposed.":[128],"The":[129],"results":[130],"show":[131],"that":[132],"our":[133],"can":[135],"be":[136],"produce":[139],"realistic":[141],"full":[142],"populated":[144],"with":[145],"in":[147],"very":[149],"straightforward":[150],"way":[151],"user.":[154]},"counts_by_year":[{"year":2020,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
