{"id":"https://openalex.org/W7171767878","doi":"https://doi.org/10.48550/arxiv.2607.26910","title":"CinemaTraj: Composing Atomic Camera Trajectories for 3D Scenes with LLM Agents","display_name":"CinemaTraj: Composing Atomic Camera Trajectories for 3D Scenes with LLM Agents","publication_year":2026,"publication_date":"2026-07-29","ids":{"openalex":"https://openalex.org/W7171767878","doi":"https://doi.org/10.48550/arxiv.2607.26910"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2607.26910","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2607.26910","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2607.26910","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5144072871","display_name":"Qianru Li","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li, Qianru","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5144064433","display_name":"Xuyang Chen","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chen, Xuyang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5143994090","display_name":"Erkin T\u00fcrk\u00f6z","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"T\u00fcrk\u00f6z, Erkin","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5144044103","display_name":"Lu Liu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Liu, Lu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5140397085","display_name":"Xuqin Wang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wang, Xuqin","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5144011254","display_name":"Liqiu Meng","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Meng, Liqiu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5144082119","display_name":"Tao Wu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wu, Tao","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5144055702","display_name":"Yanfeng Zhang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhang, Yanfeng","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"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/T11714","display_name":"Multimodal Machine Learning Applications","score":0.720300018787384,"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/T11714","display_name":"Multimodal Machine Learning Applications","score":0.720300018787384,"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/T10586","display_name":"Robotic Path Planning Algorithms","score":0.12370000034570694,"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/T12290","display_name":"Human Motion and Animation","score":0.022099999710917473,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.6872000098228455},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.5303999781608582},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.43639999628067017},{"id":"https://openalex.org/keywords/scene-graph","display_name":"Scene graph","score":0.4352000057697296},{"id":"https://openalex.org/keywords/view-synthesis","display_name":"View synthesis","score":0.4154999852180481},{"id":"https://openalex.org/keywords/path","display_name":"Path (computing)","score":0.41200000047683716},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4020000100135803},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.39739999175071716},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.39730000495910645}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8009999990463257},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.6872000098228455},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6747000217437744},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6704000234603882},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5303999781608582},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.43639999628067017},{"id":"https://openalex.org/C179372163","wikidata":"https://www.wikidata.org/wiki/Q1406181","display_name":"Scene graph","level":3,"score":0.4352000057697296},{"id":"https://openalex.org/C2776449333","wikidata":"https://www.wikidata.org/wiki/Q7928781","display_name":"View synthesis","level":3,"score":0.4154999852180481},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.41200000047683716},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4020000100135803},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.39739999175071716},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.39730000495910645},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.3855000138282776},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.3384999930858612},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.3312000036239624},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.32589998841285706},{"id":"https://openalex.org/C99636146","wikidata":"https://www.wikidata.org/wiki/Q35889","display_name":"Parametric equation","level":2,"score":0.32170000672340393},{"id":"https://openalex.org/C194969405","wikidata":"https://www.wikidata.org/wiki/Q170519","display_name":"Virtual reality","level":2,"score":0.31850001215934753},{"id":"https://openalex.org/C195324797","wikidata":"https://www.wikidata.org/wiki/Q33742","display_name":"Natural language","level":2,"score":0.3052999973297119},{"id":"https://openalex.org/C100991257","wikidata":"https://www.wikidata.org/wiki/Q590870","display_name":"Cinematography","level":2,"score":0.304500013589859},{"id":"https://openalex.org/C94816000","wikidata":"https://www.wikidata.org/wiki/Q5026006","display_name":"Camera auto-calibration","level":3,"score":0.28290000557899475},{"id":"https://openalex.org/C108882727","wikidata":"https://www.wikidata.org/wiki/Q2991685","display_name":"Solid modeling","level":2,"score":0.27730000019073486},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.2736000120639801},{"id":"https://openalex.org/C90509273","wikidata":"https://www.wikidata.org/wiki/Q11012","display_name":"Robot","level":2,"score":0.2712000012397766},{"id":"https://openalex.org/C81074085","wikidata":"https://www.wikidata.org/wiki/Q366872","display_name":"Motion planning","level":3,"score":0.267300009727478},{"id":"https://openalex.org/C2779304628","wikidata":"https://www.wikidata.org/wiki/Q3503480","display_name":"Face (sociological concept)","level":2,"score":0.2639000117778778},{"id":"https://openalex.org/C124913957","wikidata":"https://www.wikidata.org/wiki/Q1232548","display_name":"Zoom","level":3,"score":0.25949999690055847},{"id":"https://openalex.org/C175154964","wikidata":"https://www.wikidata.org/wiki/Q380077","display_name":"Task analysis","level":3,"score":0.2563000023365021},{"id":"https://openalex.org/C155911833","wikidata":"https://www.wikidata.org/wiki/Q3817354","display_name":"Spatial intelligence","level":2,"score":0.2558000087738037}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2607.26910","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2607.26910","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2607.26910","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2607.26910","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.6757224798202515}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Automatically":[0],"generating":[1],"cinematically":[2],"expressive":[3,129],"camera":[4,66,166],"trajectories":[5,187],"through":[6],"3D":[7,36,93],"scenes":[8],"from":[9,24,56],"natural":[10],"language":[11],"descriptions":[12],"is":[13,117,126],"a":[14,50,62,70,76,82,91,102,120,140],"challenging":[15],"task":[16],"of":[17,78,104,154],"high":[18,189],"practical":[19],"value,":[20],"with":[21,90,165,188],"applications":[22],"ranging":[23],"real-estate":[25],"advertising":[26],"to":[27],"virtual":[28],"tour":[29],"creation.":[30],"Existing":[31],"methods":[32],"either":[33],"lack":[34],"true":[35],"spatial":[37,72,142],"awareness":[38],"by":[39],"relying":[40],"on":[41,176,195],"2D":[42],"image":[43],"priors,":[44],"or":[45],"treat":[46],"trajectory":[47,67,123,198],"generation":[48],"as":[49,69,139],"geometric":[51,150],"path":[52],"planning":[53,68],"problem":[54],"divorced":[55],"cinematographic":[57,106,190],"semantics.":[58],"We":[59,173],"present":[60],"CinemaTraj,":[61],"framework":[63],"that":[64,125,182],"reframes":[65],"language-grounded":[71],"reasoning":[73,147],"problem.":[74],"Given":[75],"set":[77],"RGB-D":[79],"images":[80],"and":[81,130,151,162,180,200],"user":[83],"prompt,":[84],"CinemaTraj":[85,157,175],"equips":[86],"an":[87],"LLM":[88],"agent":[89,97],"structured":[92,141],"scene":[94,136],"graph:":[95],"the":[96,99,145,155],"decomposes":[98],"prompt":[100,196],"into":[101],"sequence":[103],"atomic":[105],"movements":[107],"(dolly,":[108],"orbit,":[109],"crane,":[110],"pan,":[111],"tilt,":[112],"zoom,":[113],"arc).":[114],"Each":[115],"movement":[116],"instantiated":[118],"via":[119],"novel":[121],"parametric":[122],"representation":[124],"both":[127],"cinematographically":[128],"optimizable":[131],"for":[132],"collision":[133],"avoidance.":[134],"The":[135],"graph":[137],"acts":[138],"prior,":[143],"grounding":[144],"agent's":[146],"in":[148],"accurate":[149],"semantic":[152],"knowledge":[153],"environment.":[156],"further":[158],"generates":[159],"synchronized":[160],"voiceover":[161],"subtitles":[163],"aligned":[164],"motion,":[167],"producing":[168],"narrated":[169],"cinematic":[170],"video":[171],"outputs.":[172],"evaluate":[174],"real-world":[177],"ScanNet++":[178],"environments,":[179],"show":[181],"it":[183],"produces":[184],"prompt-faithful,":[185],"collision-free":[186],"quality,":[191,199],"outperforming":[192],"existing":[193],"approaches":[194],"alignment,":[197],"safety":[201],"metrics.":[202]},"counts_by_year":[],"updated_date":"2026-07-31T08:31:51.225901","created_date":"2026-07-31T00:00:00"}