{"id":"https://openalex.org/W2548381730","doi":"https://doi.org/10.1109/iccv.2009.5459357","title":"A new multiview spacetime-consistent depth recovery framework for free viewpoint video rendering","display_name":"A new multiview spacetime-consistent depth recovery framework for free viewpoint video rendering","publication_year":2009,"publication_date":"2009-09-01","ids":{"openalex":"https://openalex.org/W2548381730","doi":"https://doi.org/10.1109/iccv.2009.5459357","mag":"2548381730"},"language":"en","primary_location":{"id":"doi:10.1109/iccv.2009.5459357","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iccv.2009.5459357","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE 12th International Conference on Computer Vision","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/A5073284259","display_name":"Cheng Lei","orcid":"https://orcid.org/0000-0001-8439-4235"},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Cheng Lei","raw_affiliation_strings":["Department of Computing Science, University of Alberta, Edmonton, AB, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Computing Science, University of Alberta, Edmonton, AB, Canada","institution_ids":["https://openalex.org/I154425047"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100329952","display_name":"Xi Chen","orcid":"https://orcid.org/0000-0002-5303-2052"},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Xi Da Chen","raw_affiliation_strings":["Department of Computing Science, University of Alberta, Edmonton, AB, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Computing Science, University of Alberta, Edmonton, AB, Canada","institution_ids":["https://openalex.org/I154425047"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081300658","display_name":"Yee\u2010Hong Yang","orcid":"https://orcid.org/0000-0002-7194-3327"},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Yee Hong Yang","raw_affiliation_strings":["Department of Computing Science, University of Alberta, Edmonton, AB, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Computing Science, University of Alberta, Edmonton, AB, Canada","institution_ids":["https://openalex.org/I154425047"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5073284259"],"corresponding_institution_ids":["https://openalex.org/I154425047"],"apc_list":null,"apc_paid":null,"fwci":2.5885,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":{"value":0.91255871,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1570","last_page":"1577"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":1.0,"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/T11105","display_name":"Advanced Image Processing Techniques","score":0.9980000257492065,"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/T10741","display_name":"Video Coding and Compression Technologies","score":0.9962999820709229,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/rendering","display_name":"Rendering (computer graphics)","score":0.7481775283813477},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7063777446746826},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6412354707717896},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6168344020843506},{"id":"https://openalex.org/keywords/depth-map","display_name":"Depth map","score":0.6154319047927856},{"id":"https://openalex.org/keywords/view-synthesis","display_name":"View synthesis","score":0.5773638486862183},{"id":"https://openalex.org/keywords/optical-flow","display_name":"Optical flow","score":0.4955083131790161},{"id":"https://openalex.org/keywords/spacetime","display_name":"Spacetime","score":0.4286462962627411},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.1517159342765808}],"concepts":[{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.7481775283813477},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7063777446746826},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6412354707717896},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6168344020843506},{"id":"https://openalex.org/C141268832","wikidata":"https://www.wikidata.org/wiki/Q2940499","display_name":"Depth map","level":3,"score":0.6154319047927856},{"id":"https://openalex.org/C2776449333","wikidata":"https://www.wikidata.org/wiki/Q7928781","display_name":"View synthesis","level":3,"score":0.5773638486862183},{"id":"https://openalex.org/C155542232","wikidata":"https://www.wikidata.org/wiki/Q736111","display_name":"Optical flow","level":3,"score":0.4955083131790161},{"id":"https://openalex.org/C130187892","wikidata":"https://www.wikidata.org/wiki/Q133327","display_name":"Spacetime","level":2,"score":0.4286462962627411},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.1517159342765808},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iccv.2009.5459357","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iccv.2009.5459357","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE 12th International Conference on Computer Vision","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1575492150","https://openalex.org/W1782560845","https://openalex.org/W1808303360","https://openalex.org/W1872947654","https://openalex.org/W2034869517","https://openalex.org/W2098500213","https://openalex.org/W2101092098","https://openalex.org/W2102151593","https://openalex.org/W2106598426","https://openalex.org/W2106902175","https://openalex.org/W2109752307","https://openalex.org/W2117227997","https://openalex.org/W2119781527","https://openalex.org/W2124149018","https://openalex.org/W2137756759","https://openalex.org/W2151560305","https://openalex.org/W2157394577","https://openalex.org/W2167141871","https://openalex.org/W2169363967","https://openalex.org/W2532567985","https://openalex.org/W6634427831","https://openalex.org/W6638529194","https://openalex.org/W6675640742","https://openalex.org/W6676121074","https://openalex.org/W6677591253","https://openalex.org/W6678853220","https://openalex.org/W6680294254","https://openalex.org/W6729281318"],"related_works":["https://openalex.org/W2159108676","https://openalex.org/W2993409993","https://openalex.org/W2164283051","https://openalex.org/W2152799998","https://openalex.org/W3206964005","https://openalex.org/W2397446807","https://openalex.org/W2111081960","https://openalex.org/W2572371791","https://openalex.org/W2119274210","https://openalex.org/W2144548468"],"abstract_inverted_index":{"In":[0,46],"this":[1],"paper,":[2],"we":[3],"present":[4],"a":[5,63],"new":[6],"approach":[7,33,177],"for":[8,24,110],"recovering":[9],"spacetime-consistent":[10],"depth":[11,25,55,98,125,134,187],"maps":[12,99,123],"from":[13,36,140],"multiple":[14],"video":[15,29,75],"sequences":[16],"captured":[17,105],"by":[18,66],"stationary,":[19],"synchronized":[20],"and":[21,128,135,147,159,164,184],"calibrated":[22],"cameras":[23],"based":[26,41,124],"free":[27],"viewpoint":[28],"rendering.":[30],"Our":[31],"two-pass":[32],"is":[34,60,138,148,178],"generalized":[35],"the":[37,57,132,141,144,151],"recently":[38],"proposed":[39,176],"region-tree":[40,59],"binocular":[42],"stereo":[43],"matching":[44],"method.":[45],"each":[47,111],"pass,":[48],"to":[49,69,94,117,154,160],"enforce":[50,155],"temporal":[51,64,157],"consistency":[52,158],"between":[53,97],"successive":[54],"maps,":[56],"traditional":[58],"extended":[61],"into":[62],"one":[65],"including":[67],"connections":[68],"\u201ctemporal":[70],"neighbor":[71],"regions\u201d":[72],"in":[73,106,150,162,181],"previous":[74],"frames,":[76],"which":[77,103],"are":[78,92,104,115],"identified":[79],"using":[80],"estimated":[81],"optical":[82],"flow":[83],"information.":[84],"For":[85],"enforcing":[86],"spatial":[87,166],"consistency,":[88],"multi-view":[89],"geometric":[90],"constraints":[91],"used":[93,149],"identify":[95],"inconsistencies":[96,120],"among":[100],"different":[101],"views":[102],"an":[107],"inconsistency":[108,122],"map":[109],"view.":[112],"Iterative":[113],"optimizations":[114],"performed":[116],"progressively":[118],"correct":[119],"through":[121],"hypotheses":[126],"pruning":[127],"visibility":[129],"reasoning.":[130],"Furthermore,":[131],"background":[133],"color":[136],"information":[137],"generated":[139],"results":[142],"of":[143],"first":[145],"pass":[146,153],"second":[152],"sequence-wise":[156],"aid":[161],"identifying":[163],"correcting":[165],"inconsistencies.":[167],"The":[168],"extensive":[169],"experimental":[170],"evaluations":[171],"have":[172],"shown":[173],"that":[174],"our":[175],"very":[179],"effective":[180],"producing":[182],"spatially":[183],"temporally":[185],"consistent":[186],"maps.":[188]},"counts_by_year":[{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":3},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":5},{"year":2012,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}