{"id":"https://openalex.org/W2012330108","doi":"https://doi.org/10.1145/2077378.2077411","title":"Efficient search of lightcuts by spatial clustering","display_name":"Efficient search of lightcuts by spatial clustering","publication_year":2011,"publication_date":"2011-12-12","ids":{"openalex":"https://openalex.org/W2012330108","doi":"https://doi.org/10.1145/2077378.2077411","mag":"2012330108"},"language":"en","primary_location":{"id":"doi:10.1145/2077378.2077411","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2077378.2077411","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIGGRAPH Asia 2011 Sketches","raw_type":"proceedings-article"},"type":"article","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/A5100603005","display_name":"Guangwei Wang","orcid":"https://orcid.org/0000-0002-1794-0619"},"institutions":[{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Guangwei Wang","raw_affiliation_strings":["Chinese Academy of Sciences, China, and Graduate University of Chinese Academy of Sciences, China","Chinese Academy of Sciences, China, and Graduate University of Chinese Academy of Sciences, China#TAB#"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, China, and Graduate University of Chinese Academy of Sciences, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Chinese Academy of Sciences, China, and Graduate University of Chinese Academy of Sciences, China#TAB#","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Guofu Xie","orcid":null},"institutions":[{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guofu Xie","raw_affiliation_strings":["Chinese Academy of Sciences, China, and Graduate University of Chinese Academy of Sciences, China","Chinese Academy of Sciences, China, and Graduate University of Chinese Academy of Sciences, China#TAB#"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, China, and Graduate University of Chinese Academy of Sciences, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Chinese Academy of Sciences, China, and Graduate University of Chinese Academy of Sciences, China#TAB#","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100603825","display_name":"Wencheng Wang","orcid":"https://orcid.org/0000-0001-5094-4606"},"institutions":[{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wencheng Wang","raw_affiliation_strings":["Chinese Academy of Sciences, China, and Graduate University of Chinese Academy of Sciences, China","Chinese Academy of Sciences, China, and Graduate University of Chinese Academy of Sciences, China#TAB#"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, China, and Graduate University of Chinese Academy of Sciences, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Chinese Academy of Sciences, China, and Graduate University of Chinese Academy of Sciences, China#TAB#","institution_ids":["https://openalex.org/I4210165038"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100603005"],"corresponding_institution_ids":["https://openalex.org/I4210165038"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.11427381,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"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":0.9998000264167786,"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/T11019","display_name":"Image Enhancement Techniques","score":0.9962000250816345,"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/tree-traversal","display_name":"Tree traversal","score":0.8545145392417908},{"id":"https://openalex.org/keywords/traverse","display_name":"Traverse","score":0.8223596811294556},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7445085048675537},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.6933121681213379},{"id":"https://openalex.org/keywords/rendering","display_name":"Rendering (computer graphics)","score":0.6568990349769592},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.6064868569374084},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5871524810791016},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5502835512161255},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.5174751281738281},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.5156208872795105},{"id":"https://openalex.org/keywords/hierarchical-clustering","display_name":"Hierarchical clustering","score":0.4671672582626343},{"id":"https://openalex.org/keywords/spatial-coherence","display_name":"Spatial coherence","score":0.4431937336921692},{"id":"https://openalex.org/keywords/coherence","display_name":"Coherence (philosophical gambling strategy)","score":0.4218025207519531},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.3263261914253235},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.20875030755996704},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.18135124444961548},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.13894528150558472},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.08569067716598511}],"concepts":[{"id":"https://openalex.org/C140745168","wikidata":"https://www.wikidata.org/wiki/Q1210082","display_name":"Tree traversal","level":2,"score":0.8545145392417908},{"id":"https://openalex.org/C176809094","wikidata":"https://www.wikidata.org/wiki/Q15401496","display_name":"Traverse","level":2,"score":0.8223596811294556},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7445085048675537},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.6933121681213379},{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.6568990349769592},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.6064868569374084},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5871524810791016},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5502835512161255},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.5174751281738281},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.5156208872795105},{"id":"https://openalex.org/C92835128","wikidata":"https://www.wikidata.org/wiki/Q1277447","display_name":"Hierarchical clustering","level":3,"score":0.4671672582626343},{"id":"https://openalex.org/C2985909886","wikidata":"https://www.wikidata.org/wiki/Q193147","display_name":"Spatial coherence","level":3,"score":0.4431937336921692},{"id":"https://openalex.org/C2781181686","wikidata":"https://www.wikidata.org/wiki/Q4226068","display_name":"Coherence (philosophical gambling strategy)","level":2,"score":0.4218025207519531},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.3263261914253235},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.20875030755996704},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.18135124444961548},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.13894528150558472},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.08569067716598511},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","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":2,"locations":[{"id":"doi:10.1145/2077378.2077411","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2077378.2077411","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIGGRAPH Asia 2011 Sketches","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.715.9932","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.715.9932","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://lcs.ios.ac.cn/%7Eguofu/files/lightcuts_sketch/Lightcuts_sketch.pdf","raw_type":"text"}],"best_oa_location":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/W1974568352"],"related_works":["https://openalex.org/W2377402383","https://openalex.org/W2380835401","https://openalex.org/W2381912691","https://openalex.org/W2350381577","https://openalex.org/W2353618196","https://openalex.org/W2348074676","https://openalex.org/W2385033175","https://openalex.org/W2374043190","https://openalex.org/W2366394613","https://openalex.org/W2152421698"],"abstract_inverted_index":{"Lightcuts":[0],"is":[1,26,29],"an":[2],"efficient":[3],"illumination":[4,45],"method":[5],"for":[6,44,56],"scenes":[7],"with":[8,74],"many":[9],"complex":[10],"lights,":[11,63],"by":[12],"hierarchical":[13],"clustering":[14],"of":[15,42,62],"lights":[16,43],"in":[17,34,69],"a":[18],"light":[19,24,71],"tree.":[20,72],"However,":[21,73],"when":[22],"the":[23,35,39,70,75,100],"tree":[25,36],"large,":[27],"it":[28],"very":[30],"time-consuming":[31],"to":[32,37,52,59],"traverse":[33],"get":[38],"suitable":[40],"clusters":[41,61],"computation.":[46],"For":[47],"this,":[48],"some":[49],"methods":[50],"proposed":[51],"use":[53],"image":[54,76],"coherence":[55],"neighboring":[57],"pixels":[58],"share":[60],"and":[64,80,86,95],"so":[65,87],"save":[66],"traversal":[67],"cost":[68],"resolutions":[77],"reduced,":[78],"fewer":[79,81],"coherences":[82],"could":[83],"be":[84,92],"used":[85],"their":[88],"acceleration":[89],"efficiency":[90],"will":[91],"reduced":[93],"dramatically,":[94],"they":[96],"may":[97],"even":[98],"decrease":[99],"rendering":[101],"efficiency.":[102]},"counts_by_year":[{"year":2016,"cited_by_count":1}],"updated_date":"2026-04-17T18:11:37.981687","created_date":"2025-10-10T00:00:00"}