{"id":"https://openalex.org/W4403780499","doi":"https://doi.org/10.1145/3664647.3681420","title":"Sparse Query Dense: Enhancing 3D Object Detection with Pseudo Points","display_name":"Sparse Query Dense: Enhancing 3D Object Detection with Pseudo Points","publication_year":2024,"publication_date":"2024-10-26","ids":{"openalex":"https://openalex.org/W4403780499","doi":"https://doi.org/10.1145/3664647.3681420"},"language":"en","primary_location":{"id":"doi:10.1145/3664647.3681420","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3664647.3681420","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 32nd ACM International Conference on Multimedia","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/A5069777142","display_name":"Yujian Mo","orcid":"https://orcid.org/0000-0001-9820-2708"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yujian Mo","raw_affiliation_strings":["College of Electronic and Information Engineering, Tongji University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0001-9820-2708","affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070702602","display_name":"Yan Wu","orcid":"https://orcid.org/0000-0002-8874-8886"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan Wu","raw_affiliation_strings":["College of Electronic and Information Engineering, Tongji University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-8874-8886","affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007977858","display_name":"Junqiao Zhao","orcid":"https://orcid.org/0000-0002-7864-3255"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Junqiao Zhao","raw_affiliation_strings":["College of Electronic and Information Engineering, Tongji University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-7864-3255","affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049609001","display_name":"Zhenjie Hou","orcid":"https://orcid.org/0000-0002-3572-1460"},"institutions":[{"id":"https://openalex.org/I4210153482","display_name":"Changzhou University","ror":"https://ror.org/04ymgwq66","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210153482"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhenjie Hou","raw_affiliation_strings":["School of Computer Science and Artificial Intelligence, Changzhou University, Changzhou, Jiangsu, China"],"raw_orcid":"https://orcid.org/0000-0002-3572-1460","affiliations":[{"raw_affiliation_string":"School of Computer Science and Artificial Intelligence, Changzhou University, Changzhou, Jiangsu, China","institution_ids":["https://openalex.org/I4210153482"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109188830","display_name":"Weiquan Huang","orcid":"https://orcid.org/0009-0001-4976-711X"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weiquan Huang","raw_affiliation_strings":["College of Electronic and Information Engineering, Tongji University, Shanghai, China"],"raw_orcid":"https://orcid.org/0009-0001-4976-711X","affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101606454","display_name":"Yinghao Hu","orcid":"https://orcid.org/0009-0000-7628-2073"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yinghao Hu","raw_affiliation_strings":["College of Electronic and Information Engineering, Tongji University, Shanghai, China"],"raw_orcid":"https://orcid.org/0009-0000-7628-2073","affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101512243","display_name":"Jijun Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jijun Wang","raw_affiliation_strings":["College of Electronic and Information Engineering, Tongji University, Shanghai, China"],"raw_orcid":"https://orcid.org/0009-0004-8497-2030","affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5114549734","display_name":"Jun Yan","orcid":"https://orcid.org/0000-0003-3048-9604"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jun Yan","raw_affiliation_strings":["Department of Information and Communication Engineering, Tongji University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0003-3048-9604","affiliations":[{"raw_affiliation_string":"Department of Information and Communication Engineering, Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.9301,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.96582702,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"409","last_page":"418"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10719","display_name":"3D Shape Modeling and Analysis","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10719","display_name":"3D Shape Modeling and Analysis","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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":0.9994000196456909,"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/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9983999729156494,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7590124607086182},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.5495355725288391},{"id":"https://openalex.org/keywords/object-detection","display_name":"Object detection","score":0.5073291659355164},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.43671706318855286},{"id":"https://openalex.org/keywords/query-optimization","display_name":"Query optimization","score":0.4365108609199524},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.37097039818763733},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.2837306261062622},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.2833719849586487}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7590124607086182},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.5495355725288391},{"id":"https://openalex.org/C2776151529","wikidata":"https://www.wikidata.org/wiki/Q3045304","display_name":"Object detection","level":3,"score":0.5073291659355164},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.43671706318855286},{"id":"https://openalex.org/C157692150","wikidata":"https://www.wikidata.org/wiki/Q2919848","display_name":"Query optimization","level":2,"score":0.4365108609199524},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.37097039818763733},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.2837306261062622},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.2833719849586487}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3664647.3681420","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3664647.3681420","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 32nd ACM International Conference on Multimedia","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":41,"referenced_works":["https://openalex.org/W2560609797","https://openalex.org/W2612690371","https://openalex.org/W2913668833","https://openalex.org/W2932012013","https://openalex.org/W2963057320","https://openalex.org/W2963182550","https://openalex.org/W2968243907","https://openalex.org/W2997790735","https://openalex.org/W3034314779","https://openalex.org/W3035346742","https://openalex.org/W3035574168","https://openalex.org/W3103520796","https://openalex.org/W3118341329","https://openalex.org/W3167095230","https://openalex.org/W3175720495","https://openalex.org/W3193939309","https://openalex.org/W3204439495","https://openalex.org/W3206335707","https://openalex.org/W3217335336","https://openalex.org/W4212774754","https://openalex.org/W4226098442","https://openalex.org/W4293811845","https://openalex.org/W4310078553","https://openalex.org/W4312322669","https://openalex.org/W4312437143","https://openalex.org/W4312707458","https://openalex.org/W4312934050","https://openalex.org/W4312976258","https://openalex.org/W4313149358","https://openalex.org/W4322706885","https://openalex.org/W4382240183","https://openalex.org/W4384159702","https://openalex.org/W4386075590","https://openalex.org/W4386075636","https://openalex.org/W4386076066","https://openalex.org/W4386076370","https://openalex.org/W4386083121","https://openalex.org/W4387682331","https://openalex.org/W4390817445","https://openalex.org/W4390872845","https://openalex.org/W4402716222"],"related_works":["https://openalex.org/W2772917594","https://openalex.org/W2036807459","https://openalex.org/W2058170566","https://openalex.org/W2755342338","https://openalex.org/W2166024367","https://openalex.org/W3116076068","https://openalex.org/W2229312674","https://openalex.org/W2951359407","https://openalex.org/W2079911747","https://openalex.org/W1969923398"],"abstract_inverted_index":{"Current":[0],"LiDAR-only":[1],"3D":[2,142],"detection":[3,69,174],"methods":[4],"are":[5],"limited":[6],"by":[7,20],"the":[8,25,30,38,48,53,65,88,107,114,120,130,140,167,180],"sparsity":[9],"of":[10,40,50,68,102,122,136,169],"point":[11,27],"clouds.":[12],"The":[13,163],"previous":[14],"method":[15],"used":[16],"pseudo":[17,31,41,54,104,137,161],"points":[18,32,42,55,105,124],"generated":[19],"depth":[21,51,109],"completion":[22],"to":[23,47,79,128,146],"supplement":[24],"LiDAR":[26,123],"cloud,":[28],"but":[29],"sampling":[33,101],"process":[34],"was":[35,43],"complex,":[36],"and":[37,59,133,155,171],"distribution":[39,132],"uneven.":[44],"Meanwhile,":[45,139],"due":[46],"imprecision":[49],"completion,":[52],"suffer":[56],"from":[57],"noise":[58,134],"local":[60,157],"structural":[61,158],"ambiguity,":[62],"which":[63,90],"limit":[64],"further":[66],"improvement":[67],"accuracy.":[70],"This":[71],"paper":[72],"presents":[73],"SQDNet,":[74],"a":[75],"novel":[76],"framework":[77],"designed":[78,145],"address":[80],"these":[81,126],"challenges.":[82],"SQDNet":[83],"incorporates":[84],"two":[85],"key":[86],"components:":[87],"SQD,":[89],"achieves":[91],"sparse-to-dense":[92],"matching":[93],"via":[94],"grid":[95],"position":[96],"indices,":[97],"allowing":[98],"for":[99,176],"rapid":[100],"large-scale":[103],"on":[106,179],"dense":[108],"map":[110],"directly,":[111],"thus":[112],"streamlining":[113],"data":[115],"preprocessing":[116],"pipeline.":[117],"And":[118],"use":[119],"density":[121],"within":[125],"grids":[127],"alleviate":[129],"uneven":[131],"problems":[135],"points.":[138,162],"sparse":[141],"Backbone":[143],"is":[144],"capture":[147],"long-distance":[148],"dependencies,":[149],"thereby":[150],"improving":[151],"voxel":[152],"feature":[153],"extraction":[154],"mitigating":[156],"blur":[159],"in":[160],"experimental":[164],"results":[165],"validate":[166],"effectiveness":[168],"SQD":[170],"achieve":[172],"considerable":[173],"performance":[175],"difficult-to-detect":[177],"instances":[178],"KITTI":[181],"test.":[182]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":13}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
