{"id":"https://openalex.org/W3183963759","doi":"https://doi.org/10.1109/lra.2021.3097081","title":"Graph-Guided Deformation for Point Cloud Completion","display_name":"Graph-Guided Deformation for Point Cloud Completion","publication_year":2021,"publication_date":"2021-07-28","ids":{"openalex":"https://openalex.org/W3183963759","doi":"https://doi.org/10.1109/lra.2021.3097081","mag":"3183963759"},"language":"en","primary_location":{"id":"doi:10.1109/lra.2021.3097081","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lra.2021.3097081","pdf_url":null,"source":{"id":"https://openalex.org/S4210169774","display_name":"IEEE Robotics and Automation Letters","issn_l":"2377-3766","issn":["2377-3766"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Robotics and Automation Letters","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://repository.hkust.edu.hk/ir/bitstream/1783.1-112023/1/037492_1.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5061924094","display_name":"Jieqi Shi","orcid":"https://orcid.org/0000-0002-1223-191X"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Jieqi Shi","raw_affiliation_strings":["Department of Electronic and Computer Engineering, Hong Kong University of Science and Technology, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0002-1223-191X","affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100659458","display_name":"Lingyun Xu","orcid":"https://orcid.org/0000-0002-6173-8610"},"institutions":[{"id":"https://openalex.org/I4210148944","display_name":"D\u00e0-Ji\u0101ng Innovations Science and Technology (China)","ror":"https://ror.org/04fmkfb67","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210148944"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lingyun Xu","raw_affiliation_strings":["Dji Co., Shenyang, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dji Co., Shenyang, China","institution_ids":["https://openalex.org/I4210148944"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111485490","display_name":"Liang Heng","orcid":null},"institutions":[{"id":"https://openalex.org/I4210148944","display_name":"D\u00e0-Ji\u0101ng Innovations Science and Technology (China)","ror":"https://ror.org/04fmkfb67","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210148944"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liang Heng","raw_affiliation_strings":["Dji Co., Shenyang, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dji Co., Shenyang, China","institution_ids":["https://openalex.org/I4210148944"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001947944","display_name":"Shaojie Shen","orcid":"https://orcid.org/0000-0002-5573-2909"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Shaojie Shen","raw_affiliation_strings":["Department of Electronic and Computer Engineering, Hong Kong University of Science and Technology, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0002-5573-2909","affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.4519,"has_fulltext":true,"cited_by_count":24,"citation_normalized_percentile":{"value":0.9332797,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"6","issue":"4","first_page":"7081","last_page":"7088"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10719","display_name":"3D Shape Modeling and Analysis","score":0.9998999834060669,"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":0.9998999834060669,"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/T11245","display_name":"Advanced Numerical Analysis Techniques","score":0.9987999796867371,"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/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/point-cloud","display_name":"Point cloud","score":0.8292998671531677},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8021871447563171},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.6287491917610168},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.5439517498016357},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.4646984934806824},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.4447482228279114},{"id":"https://openalex.org/keywords/graphics","display_name":"Graphics","score":0.43661242723464966},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4349307119846344},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.430218905210495},{"id":"https://openalex.org/keywords/deformation","display_name":"Deformation (meteorology)","score":0.4128928482532501},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.37909752130508423},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3286864161491394},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.20076143741607666},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.17975136637687683},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.09054118394851685}],"concepts":[{"id":"https://openalex.org/C131979681","wikidata":"https://www.wikidata.org/wiki/Q1899648","display_name":"Point cloud","level":2,"score":0.8292998671531677},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8021871447563171},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.6287491917610168},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.5439517498016357},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.4646984934806824},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.4447482228279114},{"id":"https://openalex.org/C21442007","wikidata":"https://www.wikidata.org/wiki/Q1027879","display_name":"Graphics","level":2,"score":0.43661242723464966},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4349307119846344},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.430218905210495},{"id":"https://openalex.org/C204366326","wikidata":"https://www.wikidata.org/wiki/Q3027650","display_name":"Deformation (meteorology)","level":2,"score":0.4128928482532501},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.37909752130508423},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3286864161491394},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.20076143741607666},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.17975136637687683},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09054118394851685},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/lra.2021.3097081","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lra.2021.3097081","pdf_url":null,"source":{"id":"https://openalex.org/S4210169774","display_name":"IEEE Robotics and Automation Letters","issn_l":"2377-3766","issn":["2377-3766"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Robotics and Automation Letters","raw_type":"journal-article"},{"id":"pmh:oai:repository.ust.hk:1783.1-112023","is_oa":true,"landing_page_url":"http://repository.ust.hk/ir/Record/1783.1-112023","pdf_url":"https://repository.hkust.edu.hk/ir/bitstream/1783.1-112023/1/037492_1.pdf","source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-112023","is_oa":false,"landing_page_url":"https://repository.hkust.edu.hk/ir/Record/1783.1-112023","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"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":"Article"}],"best_oa_location":{"id":"pmh:oai:repository.ust.hk:1783.1-112023","is_oa":true,"landing_page_url":"http://repository.ust.hk/ir/Record/1783.1-112023","pdf_url":"https://repository.hkust.edu.hk/ir/bitstream/1783.1-112023/1/037492_1.pdf","source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320323537","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3183963759.pdf","grobid_xml":"https://content.openalex.org/works/W3183963759.grobid-xml"},"referenced_works_count":58,"referenced_works":["https://openalex.org/W612478963","https://openalex.org/W1901129140","https://openalex.org/W1971169262","https://openalex.org/W1974879594","https://openalex.org/W2079017595","https://openalex.org/W2115579991","https://openalex.org/W2121669559","https://openalex.org/W2139910390","https://openalex.org/W2150066425","https://openalex.org/W2190691619","https://openalex.org/W2267893120","https://openalex.org/W2559882727","https://openalex.org/W2560609797","https://openalex.org/W2784996692","https://openalex.org/W2794816985","https://openalex.org/W2796426482","https://openalex.org/W2798314605","https://openalex.org/W2886499109","https://openalex.org/W2904332125","https://openalex.org/W2905288042","https://openalex.org/W2910128236","https://openalex.org/W2940600945","https://openalex.org/W2949671016","https://openalex.org/W2953668091","https://openalex.org/W2962778872","https://openalex.org/W2963121255","https://openalex.org/W2963627347","https://openalex.org/W2963648573","https://openalex.org/W2963926543","https://openalex.org/W2985683375","https://openalex.org/W2990578762","https://openalex.org/W3034259269","https://openalex.org/W3034469502","https://openalex.org/W3034493208","https://openalex.org/W3034584726","https://openalex.org/W3035014292","https://openalex.org/W3093244227","https://openalex.org/W3094669937","https://openalex.org/W3098903961","https://openalex.org/W3100484988","https://openalex.org/W3106148219","https://openalex.org/W3109195449","https://openalex.org/W3109518641","https://openalex.org/W3170469318","https://openalex.org/W3175010717","https://openalex.org/W4238542604","https://openalex.org/W4394671432","https://openalex.org/W6618872416","https://openalex.org/W6639824700","https://openalex.org/W6687484953","https://openalex.org/W6739778489","https://openalex.org/W6748208425","https://openalex.org/W6758246929","https://openalex.org/W6763422710","https://openalex.org/W6784780333","https://openalex.org/W6785162694","https://openalex.org/W6787052639","https://openalex.org/W6787195558"],"related_works":["https://openalex.org/W4244478748","https://openalex.org/W4223488648","https://openalex.org/W2134969820","https://openalex.org/W2251605416","https://openalex.org/W4389340727","https://openalex.org/W4205786897","https://openalex.org/W3150465815","https://openalex.org/W2802581102","https://openalex.org/W1997222214","https://openalex.org/W2385965307"],"abstract_inverted_index":{"For":[0],"a":[1,13,26,62,86],"long":[2],"time,":[3],"the":[4,19,24,33,38,69,82,91,102,127,130,134,145,149,169,191,196],"point":[5,28,92,150,198],"cloud":[6,29,93,151,199],"completion":[7,94,131,152,200],"task":[8,132,153],"has":[9],"been":[10],"regarded":[11],"as":[12,75,140],"pure":[14],"generation":[15,74],"task.":[16,95,201],"After":[17],"obtaining":[18],"global":[20],"shape":[21,34],"code":[22],"through":[23],"encoder,":[25],"complete":[27],"is":[30,99],"generated":[31],"using":[32],"priorly":[35],"learnt":[36],"by":[37,85,154],"networks.":[39],"However,":[40],"such":[41],"models":[42,81],"are":[43,144],"undesirably":[44],"biased":[45],"towards":[46],"prior":[47],"average":[48],"objects":[49],"and":[50,72,77,80,133,177],"inherently":[51],"limited":[52],"to":[53,100,147],"fit":[54],"geometry":[55,119],"details.":[56,120],"In":[57],"this":[58,122],"letter,":[59],"we":[60,124,141,143],"propose":[61],"Graph-Guided":[63],"Deformation":[64],"Network,":[65],"which":[66,112],"respectively":[67],"regards":[68],"input":[70],"data":[71],"intermediate":[73],"controlling":[76],"supporting":[78],"points,":[79],"optimization":[83],"guided":[84],"graph":[87],"convolutional":[88],"network(GCN)":[89],"for":[90,115],"Our":[96],"key":[97],"insight":[98],"simulate":[101],"least":[103],"square":[104],"Laplacian":[105],"deformation":[106,110,136],"process":[107],"via":[108],"mesh":[109,135],"methods,":[111],"brings":[113],"adaptivity":[114],"modeling":[116],"variation":[117],"in":[118,195],"By":[121],"means,":[123],"also":[125],"reduce":[126],"gap":[128],"between":[129],"algorithms.":[137],"As":[138],"far":[139],"know,":[142],"first":[146],"refine":[148],"mimicing":[155],"traditional":[156],"graphics":[157],"algorithms":[158,194],"with":[159],"GCN-guided":[160],"deformation.":[161],"We":[162],"have":[163],"conducted":[164],"extensive":[165],"experiments":[166],"on":[167],"both":[168],"simulated":[170],"indoor":[171],"dataset":[172,175,182],"ShapeNet,":[173],"outdoor":[174],"KITTI,":[176],"our":[178,188],"self-collected":[179],"autonomous":[180],"driving":[181],"Pandar40.":[183],"The":[184],"results":[185],"show":[186],"that":[187],"method":[189],"outperforms":[190],"existing":[192],"state-of-the-art":[193],"3D":[197]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":10},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":3}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
