{"id":"https://openalex.org/W4391936054","doi":"https://doi.org/10.1109/tcsvt.2024.3367529","title":"GTINet: Global Topology-Aware Interactions for Unsupervised Point Cloud Registration","display_name":"GTINet: Global Topology-Aware Interactions for Unsupervised Point Cloud Registration","publication_year":2024,"publication_date":"2024-02-19","ids":{"openalex":"https://openalex.org/W4391936054","doi":"https://doi.org/10.1109/tcsvt.2024.3367529"},"language":"en","primary_location":{"id":"doi:10.1109/tcsvt.2024.3367529","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsvt.2024.3367529","pdf_url":null,"source":{"id":"https://openalex.org/S115173108","display_name":"IEEE Transactions on Circuits and Systems for Video Technology","issn_l":"1051-8215","issn":["1051-8215","1558-2205"],"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 Transactions on Circuits and Systems for Video Technology","raw_type":"journal-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/A5049402483","display_name":"Yinuo Jiang","orcid":"https://orcid.org/0009-0009-5658-3413"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yinuo Jiang","raw_affiliation_strings":["School of Artificial Intelligence and Automation and the MOE Key Laboratory of Image Processing and Intelligent Control, Huazhong University of Science and Technology, Wuhan, China","School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"School of Artificial Intelligence and Automation and the MOE Key Laboratory of Image Processing and Intelligent Control, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]},{"raw_affiliation_string":"School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109479866","display_name":"Beitong Zhou","orcid":null},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Beitong Zhou","raw_affiliation_strings":["School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100455531","display_name":"Xiaoyu Liu","orcid":"https://orcid.org/0009-0005-6402-3855"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoyu Liu","raw_affiliation_strings":["School of Artificial Intelligence and Automation and the MOE Key Laboratory of Image Processing and Intelligent Control, Huazhong University of Science and Technology, Wuhan, China","School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"School of Artificial Intelligence and Automation and the MOE Key Laboratory of Image Processing and Intelligent Control, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]},{"raw_affiliation_string":"School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025332292","display_name":"Qingyi Li","orcid":"https://orcid.org/0000-0001-9664-7316"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qingyi Li","raw_affiliation_strings":["School of Artificial Intelligence and Automation and the MOE Key Laboratory of Image Processing and Intelligent Control, Huazhong University of Science and Technology, Wuhan, China","School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"School of Artificial Intelligence and Automation and the MOE Key Laboratory of Image Processing and Intelligent Control, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]},{"raw_affiliation_string":"School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100349415","display_name":"Cheng Cheng","orcid":"https://orcid.org/0000-0002-9053-0237"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Cheng Cheng","raw_affiliation_strings":["School of Artificial Intelligence and Automation and the MOE Key Laboratory of Image Processing and Intelligent Control, Huazhong University of Science and Technology, Wuhan, China","School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"School of Artificial Intelligence and Automation and the MOE Key Laboratory of Image Processing and Intelligent Control, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]},{"raw_affiliation_string":"School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5049402483"],"corresponding_institution_ids":["https://openalex.org/I47720641"],"apc_list":null,"apc_paid":null,"fwci":2.0613,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.84911265,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"34","issue":"7","first_page":"6363","last_page":"6375"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9955000281333923,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9955000281333923,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11211","display_name":"3D Surveying and Cultural Heritage","score":0.995199978351593,"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/T10719","display_name":"3D Shape Modeling and Analysis","score":0.9937000274658203,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6331560015678406},{"id":"https://openalex.org/keywords/point-cloud","display_name":"Point cloud","score":0.5757925510406494},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.5292023420333862},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.4645058810710907},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.43046438694000244},{"id":"https://openalex.org/keywords/image-registration","display_name":"Image registration","score":0.4251987040042877},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3850363492965698},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3303190767765045},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20945435762405396},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.12334737181663513},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.08890259265899658}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6331560015678406},{"id":"https://openalex.org/C131979681","wikidata":"https://www.wikidata.org/wiki/Q1899648","display_name":"Point cloud","level":2,"score":0.5757925510406494},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.5292023420333862},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.4645058810710907},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.43046438694000244},{"id":"https://openalex.org/C166704113","wikidata":"https://www.wikidata.org/wiki/Q861092","display_name":"Image registration","level":3,"score":0.4251987040042877},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3850363492965698},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3303190767765045},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20945435762405396},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.12334737181663513},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.08890259265899658},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcsvt.2024.3367529","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsvt.2024.3367529","pdf_url":null,"source":{"id":"https://openalex.org/S115173108","display_name":"IEEE Transactions on Circuits and Systems for Video Technology","issn_l":"1051-8215","issn":["1051-8215","1558-2205"],"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 Transactions on Circuits and Systems for Video Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5699999928474426,"display_name":"Climate action","id":"https://metadata.un.org/sdg/13"}],"awards":[{"id":"https://openalex.org/G1881845707","display_name":null,"funder_award_id":"52205520","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3337000588","display_name":null,"funder_award_id":"62373160","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6354507983","display_name":null,"funder_award_id":"92167201","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"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":64,"referenced_works":["https://openalex.org/W1522301498","https://openalex.org/W1548836129","https://openalex.org/W1920022804","https://openalex.org/W1970930214","https://openalex.org/W1989476314","https://openalex.org/W2034950486","https://openalex.org/W2049981393","https://openalex.org/W2063549868","https://openalex.org/W2085261163","https://openalex.org/W2097832352","https://openalex.org/W2150066425","https://openalex.org/W2519911873","https://openalex.org/W2905288042","https://openalex.org/W2923270926","https://openalex.org/W2931335216","https://openalex.org/W2962941647","https://openalex.org/W2979750740","https://openalex.org/W2983178467","https://openalex.org/W2986382673","https://openalex.org/W3013243617","https://openalex.org/W3034295752","https://openalex.org/W3035156386","https://openalex.org/W3035338950","https://openalex.org/W3040318838","https://openalex.org/W3108059345","https://openalex.org/W3111535274","https://openalex.org/W3133797311","https://openalex.org/W3134233478","https://openalex.org/W3138367801","https://openalex.org/W3153465022","https://openalex.org/W3161378645","https://openalex.org/W3166855724","https://openalex.org/W3168920280","https://openalex.org/W3172602550","https://openalex.org/W3201832277","https://openalex.org/W3203473225","https://openalex.org/W3216353509","https://openalex.org/W4205274304","https://openalex.org/W4205842536","https://openalex.org/W4221153074","https://openalex.org/W4221160556","https://openalex.org/W4226200864","https://openalex.org/W4229624061","https://openalex.org/W4237162356","https://openalex.org/W4249866455","https://openalex.org/W4289536297","https://openalex.org/W4297094536","https://openalex.org/W4312541757","https://openalex.org/W4312685343","https://openalex.org/W4312878643","https://openalex.org/W4312950653","https://openalex.org/W4313014889","https://openalex.org/W4313042042","https://openalex.org/W4313168566","https://openalex.org/W4316660744","https://openalex.org/W4367835377","https://openalex.org/W4385245566","https://openalex.org/W4386065549","https://openalex.org/W4387693309","https://openalex.org/W6610243042","https://openalex.org/W6631190155","https://openalex.org/W6767019538","https://openalex.org/W6779573026","https://openalex.org/W6810999300"],"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/W3150465815","https://openalex.org/W1997222214","https://openalex.org/W2802581102","https://openalex.org/W4205786897","https://openalex.org/W2070395303"],"abstract_inverted_index":{"Point":[0],"cloud":[1,27,60,180],"registration":[2,28,61,161],"is":[3],"a":[4,32,71,78,173],"critical":[5],"task":[6],"in":[7],"various":[8],"3D":[9],"applications.":[10],"Supervised":[11],"approaches":[12],"are":[13],"restricted":[14],"by":[15,148],"the":[16,41,99,103,116,136,143,164],"difficulty":[17],"and":[18,77,110,118,167],"cost":[19],"of":[20,43,138],"acquiring":[21],"ground-truth":[22],"annotations.":[23],"Thus,":[24],"unsupervised":[25,37,58,160,178],"point":[26,59,120,179],"has":[29],"emerged":[30],"as":[31],"promising":[33],"alternative.":[34],"However,":[35],"existing":[36],"methods":[38],"often":[39],"overlook":[40],"importance":[42],"feature":[44,48,108,128,144],"interactions,":[45],"leading":[46],"to":[47],"matching":[49,145],"ambiguity.":[50],"To":[51],"address":[52],"these":[53],"challenges,":[54],"we":[55],"propose":[56],"an":[57],"framework":[62],"termed":[63],"Global":[64],"Topology-aware":[65],"Interactions":[66],"Network":[67],"(GTINet),":[68],"which":[69],"contains":[70],"global":[72,91,94,101],"structural":[73,150],"relations":[74],"(GSR)":[75],"module":[76,86,105,124],"contextual":[79,127],"topological":[80],"interactions":[81,129],"(CTI)":[82],"module.":[83],"The":[84,122],"GSR":[85],"transforms":[87],"local":[88,149],"features":[89,92],"into":[90],"through":[93,130],"graph":[95],"convolutions.":[96],"Based":[97],"on":[98,163],"obtained":[100],"features,":[102,139],"CTI":[104,123],"learns":[106,126],"geometric":[107],"similarities":[109],"relative":[111],"positional":[112],"knowledge":[113],"for":[114,176,187],"both":[115],"source":[117],"target":[119],"clouds.":[121],"further":[125],"topology-aware":[131],"attention":[132],"layers.":[133],"By":[134],"improving":[135],"discriminativeness":[137],"our":[140,156,185],"GTINet":[141],"reduces":[142],"ambiguity":[146],"caused":[147],"similarity.":[151],"Extensive":[152],"experiments":[153],"demonstrate":[154],"that":[155],"method":[157],"achieves":[158],"state-of-the-art":[159],"performance":[162],"ModelNet40,":[165],"7Scene,":[166],"KITTI":[168],"datasets.":[169],"Our":[170],"work":[171],"provides":[172],"novel":[174],"perspective":[175],"conducting":[177],"registration.":[181],"We":[182],"will":[183],"release":[184],"code":[186],"future":[188],"research.":[189]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":3}],"updated_date":"2026-03-28T08:17:26.163206","created_date":"2025-10-10T00:00:00"}
