{"id":"https://openalex.org/W7138123297","doi":"https://doi.org/10.1609/aaai.v40i4.37217","title":"Cross-temporal 3D Gaussian Splatting for Sparse-view Guided Scene Update","display_name":"Cross-temporal 3D Gaussian Splatting for Sparse-view Guided Scene Update","publication_year":2026,"publication_date":"2026-03-14","ids":{"openalex":"https://openalex.org/W7138123297","doi":"https://doi.org/10.1609/aaai.v40i4.37217"},"language":null,"primary_location":{"id":"doi:10.1609/aaai.v40i4.37217","is_oa":true,"landing_page_url":"https://doi.org/10.1609/aaai.v40i4.37217","pdf_url":null,"source":{"id":"https://openalex.org/S4210191458","display_name":"Proceedings of the AAAI Conference on Artificial Intelligence","issn_l":"2159-5399","issn":["2159-5399","2374-3468"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320058","host_organization_name":"Association for the Advancement of Artificial Intelligence","host_organization_lineage":["https://openalex.org/P4310320058"],"host_organization_lineage_names":["Association for the Advancement of Artificial Intelligence"],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the AAAI Conference on Artificial Intelligence","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.1609/aaai.v40i4.37217","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Zeyuan An","orcid":null},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zeyuan An","raw_affiliation_strings":["State Key Laboratory of Virtual Reality Technology and Systems, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Virtual Reality Technology and Systems, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yanghang Xiao","orcid":null},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanghang Xiao","raw_affiliation_strings":["State Key Laboratory of Virtual Reality Technology and Systems, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Virtual Reality Technology and Systems, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Zhiying Leng","orcid":null},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiying Leng","raw_affiliation_strings":["State Key Laboratory of Virtual Reality Technology and Systems, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Virtual Reality Technology and Systems, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Frederick W. B. Li","orcid":null},"institutions":[{"id":"https://openalex.org/I190082696","display_name":"Durham University","ror":"https://ror.org/01v29qb04","country_code":"GB","type":"education","lineage":["https://openalex.org/I190082696"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Frederick W. B. Li","raw_affiliation_strings":["Department of Computer Science, University of Durham, U.K"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Durham, U.K","institution_ids":["https://openalex.org/I190082696"]}]},{"author_position":"last","author":{"id":null,"display_name":"Xiaohui Liang","orcid":null},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaohui Liang","raw_affiliation_strings":["State Key Laboratory of Virtual Reality Technology and Systems, Beihang University, Beijing, China\nZhongguancun Laboratory, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Virtual Reality Technology and Systems, Beihang University, Beijing, China\nZhongguancun Laboratory, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I82880672"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.43208955,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"40","issue":"4","first_page":"2327","last_page":"2335"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.551800012588501,"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":0.551800012588501,"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/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.18019999563694,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"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/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.08860000222921371,"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/initialization","display_name":"Initialization","score":0.6837000250816345},{"id":"https://openalex.org/keywords/3d-reconstruction","display_name":"3D reconstruction","score":0.4106000065803528},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.39800000190734863},{"id":"https://openalex.org/keywords/sparse-approximation","display_name":"Sparse approximation","score":0.37220001220703125},{"id":"https://openalex.org/keywords/baseline","display_name":"Baseline (sea)","score":0.36039999127388},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.34689998626708984},{"id":"https://openalex.org/keywords/gaussian-process","display_name":"Gaussian process","score":0.33739998936653137}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8082000017166138},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7325000166893005},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6983000040054321},{"id":"https://openalex.org/C114466953","wikidata":"https://www.wikidata.org/wiki/Q6034165","display_name":"Initialization","level":2,"score":0.6837000250816345},{"id":"https://openalex.org/C109950114","wikidata":"https://www.wikidata.org/wiki/Q4464732","display_name":"3D reconstruction","level":2,"score":0.4106000065803528},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.39800000190734863},{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.37220001220703125},{"id":"https://openalex.org/C12725497","wikidata":"https://www.wikidata.org/wiki/Q810247","display_name":"Baseline (sea)","level":2,"score":0.36039999127388},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.34689998626708984},{"id":"https://openalex.org/C61326573","wikidata":"https://www.wikidata.org/wiki/Q1496376","display_name":"Gaussian process","level":3,"score":0.33739998936653137},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.3068999946117401},{"id":"https://openalex.org/C61224824","wikidata":"https://www.wikidata.org/wiki/Q2260434","display_name":"Mixture model","level":2,"score":0.2928999960422516},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.2922999858856201},{"id":"https://openalex.org/C56372850","wikidata":"https://www.wikidata.org/wiki/Q1050404","display_name":"Sparse matrix","level":3,"score":0.2906000018119812},{"id":"https://openalex.org/C197654239","wikidata":"https://www.wikidata.org/wiki/Q7430757","display_name":"Scene statistics","level":3,"score":0.27720001339912415},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.27549999952316284},{"id":"https://openalex.org/C159620131","wikidata":"https://www.wikidata.org/wiki/Q1938983","display_name":"Spatial analysis","level":2,"score":0.2558000087738037}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1609/aaai.v40i4.37217","is_oa":true,"landing_page_url":"https://doi.org/10.1609/aaai.v40i4.37217","pdf_url":null,"source":{"id":"https://openalex.org/S4210191458","display_name":"Proceedings of the AAAI Conference on Artificial Intelligence","issn_l":"2159-5399","issn":["2159-5399","2374-3468"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320058","host_organization_name":"Association for the Advancement of Artificial Intelligence","host_organization_lineage":["https://openalex.org/P4310320058"],"host_organization_lineage_names":["Association for the Advancement of Artificial Intelligence"],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the AAAI Conference on Artificial Intelligence","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1609/aaai.v40i4.37217","is_oa":true,"landing_page_url":"https://doi.org/10.1609/aaai.v40i4.37217","pdf_url":null,"source":{"id":"https://openalex.org/S4210191458","display_name":"Proceedings of the AAAI Conference on Artificial Intelligence","issn_l":"2159-5399","issn":["2159-5399","2374-3468"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320058","host_organization_name":"Association for the Advancement of Artificial Intelligence","host_organization_lineage":["https://openalex.org/P4310320058"],"host_organization_lineage_names":["Association for the Advancement of Artificial Intelligence"],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the AAAI Conference on Artificial Intelligence","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.7049077153205872,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Maintaining":[0],"consistent":[1],"3D":[2,15,49,62,120,180],"scene":[3,74,121,205],"representations":[4,181],"over":[5,189],"time":[6,66],"is":[7,20],"a":[8,54,201],"significant":[9,187],"challenge":[10],"in":[11,192],"computer":[12],"vision.":[13],"Updating":[14],"scenes":[16,63,147],"from":[17,148],"sparse-view":[18],"observations":[19],"crucial":[21],"for":[22,57,85,204],"various":[23],"real-world":[24],"applications,":[25],"including":[26],"urban":[27],"planning,":[28],"disaster":[29],"assessment,":[30],"and":[31,60,71,87,107,195,210],"historical":[32,115],"site":[33],"preservation,":[34],"where":[35],"dense":[36],"scans":[37],"are":[38],"often":[39],"unavailable":[40],"or":[41],"impractical.":[42],"In":[43],"this":[44,163,199],"paper,":[45],"we":[46,158],"propose":[47],"Cross-Temporal":[48],"Gaussian":[50],"Splatting":[51],"(Cross-Temporal":[52],"3DGS),":[53],"novel":[55],"framework":[56],"efficiently":[58],"reconstructing":[59],"updating":[61],"across":[64,91],"different":[65,92],"periods,":[67],"using":[68,135,169],"sparse":[69,137,171],"images":[70],"previously":[72],"captured":[73],"priors.":[75],"Our":[76,126],"approach":[77,164,200],"comprises":[78],"three":[79],"stages:":[80],"1)":[81],"Cross-temporal":[82],"camera":[83,89],"alignment":[84],"estimating":[86],"aligning":[88],"poses":[90],"timestamps;":[93],"2)":[94],"Interference-based":[95],"confidence":[96],"initialization":[97],"to":[98,122,139,165],"identify":[99],"unchanged":[100],"regions":[101],"between":[102],"timestamps,":[103],"thereby":[104],"guiding":[105],"updates;":[106],"3)":[108],"Progressive":[109],"cross-temporal":[110,207],"optimization,":[111],"which":[112,173],"iteratively":[113],"integrates":[114],"prior":[116],"information":[117],"into":[118,178],"the":[119,152,160],"enhance":[123],"reconstruction":[124,193],"quality.":[125],"method":[127],"supports":[128],"non-continuous":[129],"capture,":[130],"enabling":[131],"not":[132],"only":[133,170],"updates":[134],"new":[136],"views":[138],"refine":[140],"existing":[141],"scenes,":[142],"but":[143],"also":[144],"recovering":[145],"past":[146],"limited":[149],"data":[150,196],"with":[151],"help":[153],"of":[154,162],"current":[155],"captures.":[156],"Furthermore,":[157],"demonstrate":[159],"potential":[161],"achieve":[166],"temporal":[167],"changes":[168],"images,":[172],"can":[174],"later":[175],"be":[176],"reconstructed":[177],"detailed":[179],"as":[182],"needed.":[183],"Experimental":[184],"results":[185],"show":[186],"improvements":[188],"baseline":[190],"methods":[191],"quality":[194],"efficiency,":[197],"making":[198],"promising":[202],"solution":[203],"versioning,":[206],"digital":[208],"twins,":[209],"long-term":[211],"spatial":[212],"documentation.":[213]},"counts_by_year":[],"updated_date":"2026-03-20T20:47:17.329874","created_date":"2025-12-10T00:00:00"}