{"id":"https://openalex.org/W7136308162","doi":"https://doi.org/10.1109/itsc60802.2025.11423623","title":"AlignOcc: Alignment-Aware LiDAR-Camera Fusion for 3D Occupancy Prediction in Autonomous Driving","display_name":"AlignOcc: Alignment-Aware LiDAR-Camera Fusion for 3D Occupancy Prediction in Autonomous Driving","publication_year":2025,"publication_date":"2025-11-18","ids":{"openalex":"https://openalex.org/W7136308162","doi":"https://doi.org/10.1109/itsc60802.2025.11423623"},"language":null,"primary_location":{"id":"doi:10.1109/itsc60802.2025.11423623","is_oa":false,"landing_page_url":"https://doi.org/10.1109/itsc60802.2025.11423623","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE 28th International Conference on Intelligent Transportation Systems (ITSC)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5100383206","display_name":"Ziyi Liu","orcid":"https://orcid.org/0000-0002-5561-3889"},"institutions":[{"id":"https://openalex.org/I4210090971","display_name":"Southeast University","ror":"https://ror.org/00cf0ab87","country_code":"BD","type":"education","lineage":["https://openalex.org/I4210090971"]},{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["BD","CN"],"is_corresponding":false,"raw_author_name":"Zhichao Liu","raw_affiliation_strings":["Southeast University,School of Mechanical Engineering,China,211189"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southeast University,School of Mechanical Engineering,China,211189","institution_ids":["https://openalex.org/I4210090971","https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5129461627","display_name":"Ziwei Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210090971","display_name":"Southeast University","ror":"https://ror.org/00cf0ab87","country_code":"BD","type":"education","lineage":["https://openalex.org/I4210090971"]},{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["BD","CN"],"is_corresponding":false,"raw_author_name":"Ziwei Wang","raw_affiliation_strings":["Southeast University,School of Mechanical Engineering,China,211189"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southeast University,School of Mechanical Engineering,China,211189","institution_ids":["https://openalex.org/I4210090971","https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063355672","display_name":"Keke Geng","orcid":"https://orcid.org/0000-0001-9505-4260"},"institutions":[{"id":"https://openalex.org/I4210090971","display_name":"Southeast University","ror":"https://ror.org/00cf0ab87","country_code":"BD","type":"education","lineage":["https://openalex.org/I4210090971"]},{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["BD","CN"],"is_corresponding":false,"raw_author_name":"Keke Geng","raw_affiliation_strings":["Southeast University,School of Mechanical Engineering,China,211189"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southeast University,School of Mechanical Engineering,China,211189","institution_ids":["https://openalex.org/I4210090971","https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102732474","display_name":"Xiaolong Cheng","orcid":"https://orcid.org/0000-0002-1891-3006"},"institutions":[{"id":"https://openalex.org/I4210090971","display_name":"Southeast University","ror":"https://ror.org/00cf0ab87","country_code":"BD","type":"education","lineage":["https://openalex.org/I4210090971"]},{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["BD","CN"],"is_corresponding":false,"raw_author_name":"Xiaolong Cheng","raw_affiliation_strings":["Southeast University,School of Mechanical Engineering,China,211189"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southeast University,School of Mechanical Engineering,China,211189","institution_ids":["https://openalex.org/I4210090971","https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5129551975","display_name":"Jinhao Liang","orcid":null},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Jinhao Liang","raw_affiliation_strings":["National University of Singapore,Department of Civil and Environmental Engineering,Singapore,119077"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Singapore,Department of Civil and Environmental Engineering,Singapore,119077","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5129448975","display_name":"Guodong Yin","orcid":null},"institutions":[{"id":"https://openalex.org/I4210090971","display_name":"Southeast University","ror":"https://ror.org/00cf0ab87","country_code":"BD","type":"education","lineage":["https://openalex.org/I4210090971"]},{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["BD","CN"],"is_corresponding":false,"raw_author_name":"Guodong Yin","raw_affiliation_strings":["Southeast University,School of Mechanical Engineering,China,211189"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southeast University,School of Mechanical Engineering,China,211189","institution_ids":["https://openalex.org/I4210090971","https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5129537422","display_name":"Tianxiao Ma","orcid":null},"institutions":[{"id":"https://openalex.org/I4210090971","display_name":"Southeast University","ror":"https://ror.org/00cf0ab87","country_code":"BD","type":"education","lineage":["https://openalex.org/I4210090971"]},{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["BD","CN"],"is_corresponding":false,"raw_author_name":"Tianxiao Ma","raw_affiliation_strings":["Southeast University,School of Mechanical Engineering,China,211189"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southeast University,School of Mechanical Engineering,China,211189","institution_ids":["https://openalex.org/I4210090971","https://openalex.org/I76569877"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101265464","display_name":"Ye Sun","orcid":null},"institutions":[{"id":"https://openalex.org/I4210090971","display_name":"Southeast University","ror":"https://ror.org/00cf0ab87","country_code":"BD","type":"education","lineage":["https://openalex.org/I4210090971"]},{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["BD","CN"],"is_corresponding":false,"raw_author_name":"Ye Sun","raw_affiliation_strings":["Southeast University,School of Mechanical Engineering,China,211189"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southeast University,School of Mechanical Engineering,China,211189","institution_ids":["https://openalex.org/I4210090971","https://openalex.org/I76569877"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"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":"1751","last_page":"1757"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11099","display_name":"Autonomous Vehicle Technology and Safety","score":0.3693999946117401,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11099","display_name":"Autonomous Vehicle Technology and Safety","score":0.3693999946117401,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive 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/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.2533999979496002,"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/T10036","display_name":"Advanced Neural Network Applications","score":0.10159999877214432,"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/sensor-fusion","display_name":"Sensor fusion","score":0.37700000405311584},{"id":"https://openalex.org/keywords/fusion","display_name":"Fusion","score":0.3441999852657318},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.3122999966144562},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.29269999265670776},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.257099986076355}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5121999979019165},{"id":"https://openalex.org/C33954974","wikidata":"https://www.wikidata.org/wiki/Q486494","display_name":"Sensor fusion","level":2,"score":0.37700000405311584},{"id":"https://openalex.org/C158525013","wikidata":"https://www.wikidata.org/wiki/Q2593739","display_name":"Fusion","level":2,"score":0.3441999852657318},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.32670000195503235},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.3122999966144562},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.29269999265670776},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.28859999775886536},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.259799987077713},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.257099986076355},{"id":"https://openalex.org/C112972136","wikidata":"https://www.wikidata.org/wiki/Q7595718","display_name":"Stability (learning theory)","level":2,"score":0.2556999921798706},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.25040000677108765}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/itsc60802.2025.11423623","is_oa":false,"landing_page_url":"https://doi.org/10.1109/itsc60802.2025.11423623","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE 28th International Conference on Intelligent Transportation Systems (ITSC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Climate action","id":"https://metadata.un.org/sdg/13","score":0.42929789423942566}],"awards":[{"id":"https://openalex.org/G2618321262","display_name":null,"funder_award_id":"2023YFD2000303","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G7056170574","display_name":null,"funder_award_id":"52272414,51905095","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W2194775991","https://openalex.org/W2565639579","https://openalex.org/W2601564443","https://openalex.org/W2897529137","https://openalex.org/W3089954597","https://openalex.org/W3126856052","https://openalex.org/W3215584334","https://openalex.org/W4386083035","https://openalex.org/W4389473995","https://openalex.org/W4390872638","https://openalex.org/W4390873564","https://openalex.org/W4393159587","https://openalex.org/W4402713134","https://openalex.org/W4402754282","https://openalex.org/W4404177983","https://openalex.org/W4404725701","https://openalex.org/W4405197104","https://openalex.org/W4414229298","https://openalex.org/W7133220049"],"related_works":[],"abstract_inverted_index":{"Comprehensive":[0],"modeling":[1],"of":[2,23,100],"real-world":[3],"autonomous":[4],"driving":[5],"scenarios":[6],"is":[7],"critical":[8],"for":[9,83],"intelligent":[10],"transportation":[11],"systems.":[12],"Multi-modal":[13],"fusion-based":[14,81],"3D":[15,84],"occupancy":[16,85],"prediction":[17],"methods":[18,41],"effectively":[19],"address":[20],"the":[21,44,61,118,128],"limitations":[22],"conventional":[24],"2D":[25],"object":[26,36],"detection":[27],"task":[28],"in":[29,51],"perceiving":[30],"irregularly":[31],"shaped":[32],"obstacles":[33],"and":[34,47,66,102],"unknown":[35],"categories.":[37],"However,":[38],"most":[39],"existing":[40],"insufficiently":[42],"leverage":[43],"rich":[45],"semantic":[46,103],"geometric":[48],"information":[49],"embedded":[50],"raw":[52],"data.":[53],"Moreover,":[54],"current":[55],"multi-sensor":[56],"fusion":[57,99],"approaches":[58],"often":[59],"neglect":[60],"inherent":[62],"misalignment":[63],"between":[64,117],"LiDAR":[65],"camera":[67],"modalities,":[68],"thereby":[69],"compromising":[70],"perception":[71],"accuracy.":[72],"This":[73],"paper":[74],"introduces":[75],"AlignOcc":[76],"as":[77],"a":[78,94],"novel":[79],"LiDARCamera":[80],"framework":[82],"prediction.":[86],"It":[87],"achieves":[88,135],"tightly":[89],"coupled":[90],"multi-modal":[91],"representation":[92],"via":[93,121],"geometry-semantic":[95],"framework,":[96],"promoting":[97],"fine-grained":[98],"structural":[101],"information.":[104],"In":[105],"addition,":[106],"we":[107],"design":[108],"an":[109],"Alignment-Aware":[110],"Fusion":[111],"Module":[112],"that":[113,132],"performs":[114],"global":[115],"alignment":[116],"two":[119],"modalities":[120],"bidirectional":[122],"dynamic":[123],"offsets.":[124],"Extensive":[125],"experiments":[126],"on":[127],"nuScenes":[129],"dataset":[130],"demonstrate":[131],"our":[133],"method":[134],"superior":[136],"performance.":[137]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2026-03-17T00:00:00"}