{"id":"https://openalex.org/W4401306540","doi":"https://doi.org/10.1145/3664647.3680700","title":"On-the-fly Point Feature Representation for Point Clouds Analysis","display_name":"On-the-fly Point Feature Representation for Point Clouds Analysis","publication_year":2024,"publication_date":"2024-10-26","ids":{"openalex":"https://openalex.org/W4401306540","doi":"https://doi.org/10.1145/3664647.3680700"},"language":"en","primary_location":{"id":"doi:10.1145/3664647.3680700","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3664647.3680700","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":"conference-paper","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2407.21335","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5050820675","display_name":"Jiangyi Wang","orcid":"https://orcid.org/0009-0007-3452-6034"},"institutions":[{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]},{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Jiangyi Wang","raw_affiliation_strings":["Singapore University of Technology and Design (SUTD), Singapore, Singapore","R), A","Institute for Infocomm Research (I"],"raw_orcid":"https://orcid.org/0009-0007-3452-6034","affiliations":[{"raw_affiliation_string":"Singapore University of Technology and Design (SUTD), Singapore, Singapore","institution_ids":["https://openalex.org/I152815399"]},{"raw_affiliation_string":"R), A","institution_ids":[]},{"raw_affiliation_string":"Institute for Infocomm Research (I","institution_ids":["https://openalex.org/I3005327000"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089026231","display_name":"Zhongyao Cheng","orcid":"https://orcid.org/0009-0006-2363-450X"},"institutions":[{"id":"https://openalex.org/I115228651","display_name":"Agency for Science, Technology and Research","ror":"https://ror.org/036wvzt09","country_code":"SG","type":"government","lineage":["https://openalex.org/I115228651"]},{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]},{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Zhongyao Cheng","raw_affiliation_strings":["Institute for Infocomm Research (Iup2R), A*STAR, Singapore, Singapore","R), A","Singapore University of Technology and Design (SUTD) Singapore, Singapore"],"raw_orcid":"https://orcid.org/0009-0006-2363-450X","affiliations":[{"raw_affiliation_string":"Institute for Infocomm Research (Iup2R), A*STAR, Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000","https://openalex.org/I115228651"]},{"raw_affiliation_string":"R), A","institution_ids":[]},{"raw_affiliation_string":"Singapore University of Technology and Design (SUTD) Singapore, Singapore","institution_ids":["https://openalex.org/I152815399"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101887026","display_name":"Na Zhao","orcid":"https://orcid.org/0000-0003-2329-7014"},"institutions":[{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]},{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Na Zhao","raw_affiliation_strings":["Singapore University of Technology and Design (SUTD), Singapore, Singapore","Institute for Infocomm Research (I"],"raw_orcid":"https://orcid.org/0000-0003-2329-7014","affiliations":[{"raw_affiliation_string":"Singapore University of Technology and Design (SUTD), Singapore, Singapore","institution_ids":["https://openalex.org/I152815399"]},{"raw_affiliation_string":"Institute for Infocomm Research (I","institution_ids":["https://openalex.org/I3005327000"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044959745","display_name":"Jun Cheng","orcid":"https://orcid.org/0000-0003-1786-6188"},"institutions":[{"id":"https://openalex.org/I115228651","display_name":"Agency for Science, Technology and Research","ror":"https://ror.org/036wvzt09","country_code":"SG","type":"government","lineage":["https://openalex.org/I115228651"]},{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]},{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Jun Cheng","raw_affiliation_strings":["Institute for Infocomm Research (I2R), A*STAR, Singapore, Singapore","R), A","Singapore University of Technology and Design (SUTD) Singapore, Singapore"],"raw_orcid":"https://orcid.org/0000-0003-1786-6188","affiliations":[{"raw_affiliation_string":"Institute for Infocomm Research (I2R), A*STAR, Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000","https://openalex.org/I115228651"]},{"raw_affiliation_string":"R), A","institution_ids":[]},{"raw_affiliation_string":"Singapore University of Technology and Design (SUTD) Singapore, Singapore","institution_ids":["https://openalex.org/I152815399"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029757365","display_name":"Xulei Yang","orcid":"https://orcid.org/0000-0002-7002-4564"},"institutions":[{"id":"https://openalex.org/I115228651","display_name":"Agency for Science, Technology and Research","ror":"https://ror.org/036wvzt09","country_code":"SG","type":"government","lineage":["https://openalex.org/I115228651"]},{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]},{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Xulei Yang","raw_affiliation_strings":["Institute for Infocomm Research (I2R), A*STAR, Singapore, Singapore","R), A","Singapore University of Technology and Design (SUTD) Singapore, Singapore"],"raw_orcid":"https://orcid.org/0000-0002-7002-4564","affiliations":[{"raw_affiliation_string":"Institute for Infocomm Research (I2R), A*STAR, Singapore, Singapore","institution_ids":["https://openalex.org/I3005327000","https://openalex.org/I115228651"]},{"raw_affiliation_string":"R), A","institution_ids":[]},{"raw_affiliation_string":"Singapore University of Technology and Design (SUTD) Singapore, Singapore","institution_ids":["https://openalex.org/I152815399"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5029757365","https://openalex.org/A5044959745","https://openalex.org/A5089026231"],"corresponding_institution_ids":["https://openalex.org/I115228651","https://openalex.org/I152815399","https://openalex.org/I3005327000"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":8,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"9204","last_page":"9213"},"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/T11211","display_name":"3D Surveying and Cultural Heritage","score":0.9947999715805054,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14339","display_name":"Image Processing and 3D Reconstruction","score":0.9887999892234802,"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/point-cloud","display_name":"Point cloud","score":0.7378548979759216},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6993873715400696},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5490843653678894},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.547271728515625},{"id":"https://openalex.org/keywords/histogram","display_name":"Histogram","score":0.5315788984298706},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.5032209753990173},{"id":"https://openalex.org/keywords/segmentation","display_name":"Segmentation","score":0.47166502475738525},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.4559020698070526},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4353730380535126},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.41123417019844055}],"concepts":[{"id":"https://openalex.org/C131979681","wikidata":"https://www.wikidata.org/wiki/Q1899648","display_name":"Point cloud","level":2,"score":0.7378548979759216},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6993873715400696},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5490843653678894},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.547271728515625},{"id":"https://openalex.org/C53533937","wikidata":"https://www.wikidata.org/wiki/Q185020","display_name":"Histogram","level":3,"score":0.5315788984298706},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.5032209753990173},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.47166502475738525},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.4559020698070526},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4353730380535126},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.41123417019844055},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3664647.3680700","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3664647.3680700","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"},{"id":"pmh:oai:arXiv.org:2407.21335","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2407.21335","pdf_url":"https://arxiv.org/pdf/2407.21335","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2407.21335","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2407.21335","pdf_url":"https://arxiv.org/pdf/2407.21335","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.4099999964237213,"id":"https://metadata.un.org/sdg/11"}],"awards":[{"id":"https://openalex.org/G1972214355","display_name":null,"funder_award_id":"M23L7b0021","funder_id":"https://openalex.org/F4320320696","funder_display_name":"Agency for Science, Technology and Research"}],"funders":[{"id":"https://openalex.org/F4320320696","display_name":"Agency for Science, Technology and Research","ror":"https://ror.org/036wvzt09"}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4401306540.pdf"},"referenced_works_count":54,"referenced_works":["https://openalex.org/W2030129920","https://openalex.org/W2052974536","https://openalex.org/W2098764590","https://openalex.org/W2100816864","https://openalex.org/W2108333036","https://openalex.org/W2114326338","https://openalex.org/W2160821342","https://openalex.org/W2183341477","https://openalex.org/W2194775991","https://openalex.org/W2209115262","https://openalex.org/W2460657278","https://openalex.org/W2516518124","https://openalex.org/W2563408008","https://openalex.org/W2566160165","https://openalex.org/W2796426482","https://openalex.org/W2948178948","https://openalex.org/W2949167316","https://openalex.org/W2953823434","https://openalex.org/W2960986959","https://openalex.org/W2962701877","https://openalex.org/W2963226018","https://openalex.org/W2963231572","https://openalex.org/W2963312728","https://openalex.org/W2963509914","https://openalex.org/W2981440248","https://openalex.org/W2982210492","https://openalex.org/W2990613095","https://openalex.org/W2999905431","https://openalex.org/W3009072206","https://openalex.org/W3034664537","https://openalex.org/W3035002114","https://openalex.org/W3109646990","https://openalex.org/W3111535274","https://openalex.org/W3153465022","https://openalex.org/W3158405343","https://openalex.org/W3168377947","https://openalex.org/W3204568647","https://openalex.org/W4200630932","https://openalex.org/W4214644223","https://openalex.org/W4214755140","https://openalex.org/W4242177601","https://openalex.org/W4281732104","https://openalex.org/W4285102223","https://openalex.org/W4306175953","https://openalex.org/W4312270234","https://openalex.org/W4312410080","https://openalex.org/W4312903973","https://openalex.org/W4376607884","https://openalex.org/W4382457953","https://openalex.org/W4386075508","https://openalex.org/W4386598267","https://openalex.org/W4393149594","https://openalex.org/W4401416584","https://openalex.org/W4402702986"],"related_works":["https://openalex.org/W4389574804","https://openalex.org/W2107628111","https://openalex.org/W3016928466","https://openalex.org/W2936725271","https://openalex.org/W2394004323","https://openalex.org/W3150655618","https://openalex.org/W3108295644","https://openalex.org/W4399442168","https://openalex.org/W2114282491","https://openalex.org/W1996690921"],"abstract_inverted_index":{"Point":[0,55,74,229],"cloud":[1],"analysis":[2],"is":[3,71],"challenging":[4],"due":[5],"to":[6,18,39,93,128,203,215],"its":[7],"unique":[8],"characteristics":[9],"of":[10,85,181,187],"unorderness,":[11],"sparsity":[12],"and":[13,47,96,143,147,161,208,243],"irregularity.":[14],"Prior":[15],"works":[16],"attempt":[17],"capture":[19],"local":[20,43,120],"relationships":[21],"by":[22,73],"convolution":[23],"operations":[24],"or":[25],"attention":[26],"mechanisms,":[27],"exploiting":[28],"geometric":[29,62,190],"information":[30,63],"from":[31,78,201,213],"coordinates":[32],"implicitly.":[33],"These":[34],"methods,":[35],"however,":[36],"are":[37],"insufficient":[38],"describe":[40],"the":[41,83,112,119,171,179,188],"explicit":[42],"geometry,":[44],"e.g.,":[45],"curvature":[46],"orientation.":[48],"In":[49,108],"this":[50,166],"paper,":[51],"we":[52,110,169,232],"propose":[53],"On-the-fly":[54],"Feature":[56,67,75],"Representation":[57],"(OPFR),":[58],"which":[59,117],"captures":[60],"abundant":[61],"explicitly":[64],"through":[65],"Curve":[66],"Generator":[68],"module.":[69],"This":[70],"inspired":[72],"Histogram":[76],"(PFH)":[77],"computer":[79],"vision":[80],"community.":[81],"However,":[82],"utilization":[84],"vanilla":[86,141],"PFH":[87],"encounters":[88],"great":[89],"difficulties":[90],"when":[91],"applied":[92],"large":[94],"datasets":[95],"dense":[97],"point":[98],"clouds,":[99],"as":[100,151],"it":[101,148],"demands":[102],"considerable":[103],"time":[104],"for":[105,136,156,206,218],"feature":[106],"generation.":[107],"contrast,":[109],"introduce":[111,170],"Local":[113],"Reference":[114],"Constructor":[115],"module,":[116],"approximates":[118],"coordinate":[121],"systems":[122],"based":[123],"on":[124,199,210,236,241,246],"triangle":[125,182],"sets.":[126],"Owing":[127],"this,":[129],"our":[130],"OPFR":[131],"only":[132],"requires":[133],"extra":[134],"1.56ms":[135],"inference":[137],"(65X":[138],"faster":[139],"than":[140],"PFH)":[142],"0.012M":[144],"more":[145],"parameters,":[146],"can":[149],"serve":[150],"a":[152],"versatile":[153],"plug-and-play":[154],"module":[155,175],"various":[157],"backbones,":[158],"particularly":[159],"MLP-based":[160],"Transformer-based":[162],"backbones":[163],"examined":[164],"in":[165],"study.":[167],"Additionally,":[168],"novel":[172],"Hierarchical":[173],"Sampling":[174],"aimed":[176],"at":[177],"enhancing":[178],"quality":[180],"sets,":[183],"thereby":[184],"ensuring":[185],"robustness":[186],"obtained":[189],"features.":[191],"Our":[192],"proposed":[193],"method":[194],"improves":[195],"overall":[196],"accuracy":[197],"(OA)":[198],"ModelNet40":[200,242],"90.7%":[202],"94.5%":[204],"(+3.8%)":[205],"classification,":[207],"OA":[209,240,245],"S3DIS":[211,247],"Area-5":[212],"86.4%":[214],"90.0%":[216],"(+3.6%)":[217],"semantic":[219],"segmentation,":[220],"respectively,":[221],"building":[222],"upon":[223],"PointNet++":[224],"backbone.":[225],"When":[226],"integrated":[227],"with":[228],"Transformer":[230],"backbone,":[231],"achieve":[233],"state-of-the-art":[234],"results":[235],"both":[237],"tasks:":[238],"94.8%":[239],"91.7%":[244],"Area-5.":[248]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
