{"id":"https://openalex.org/W4316660744","doi":"https://doi.org/10.1109/tcsvt.2023.3237328","title":"SACF-Net: Skip-Attention Based Correspondence Filtering Network for Point Cloud Registration","display_name":"SACF-Net: Skip-Attention Based Correspondence Filtering Network for Point Cloud Registration","publication_year":2023,"publication_date":"2023-01-16","ids":{"openalex":"https://openalex.org/W4316660744","doi":"https://doi.org/10.1109/tcsvt.2023.3237328"},"language":"en","primary_location":{"id":"doi:10.1109/tcsvt.2023.3237328","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsvt.2023.3237328","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/A5009576623","display_name":"Yue Wu","orcid":"https://orcid.org/0000-0002-3459-5079"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yue Wu","raw_affiliation_strings":["School of Computer Science and Technology, Xidian University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0002-3459-5079","affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031946745","display_name":"Xidao Hu","orcid":null},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xidao Hu","raw_affiliation_strings":["School of Computer Science and Technology, Xidian University, Xi’an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100333739","display_name":"Yue Zhang","orcid":"https://orcid.org/0000-0002-6563-5168"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yue Zhang","raw_affiliation_strings":["Key Laboratory of Intelligent Perception and Image Understanding of Ministry of Education, School of Artificial Intelligence, Xidian University, Xi’an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Intelligent Perception and Image Understanding of Ministry of Education, School of Artificial Intelligence, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091227928","display_name":"Maoguo Gong","orcid":"https://orcid.org/0000-0002-0415-8556"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Maoguo Gong","raw_affiliation_strings":["School of Electronic Engineering, Key Laboratory of Intelligent Perception and Image Understanding of Ministry of Education, Xidian University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0002-0415-8556","affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, Key Laboratory of Intelligent Perception and Image Understanding of Ministry of Education, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065027008","display_name":"Wenping Ma","orcid":"https://orcid.org/0000-0001-8872-2195"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenping Ma","raw_affiliation_strings":["Key Laboratory of Intelligent Perception and Image Understanding of Ministry of Education, School of Artificial Intelligence, Xidian University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0001-8872-2195","affiliations":[{"raw_affiliation_string":"Key Laboratory of Intelligent Perception and Image Understanding of Ministry of Education, School of Artificial Intelligence, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":null,"display_name":"Qiguang Miao","orcid":"https://orcid.org/0000-0001-6766-8310"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiguang Miao","raw_affiliation_strings":["School of Computer Science and Technology, Xidian University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0001-6766-8310","affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":null,"apc_paid":null,"fwci":87.3838,"has_fulltext":false,"cited_by_count":120,"citation_normalized_percentile":{"value":0.99957628,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"33","issue":"8","first_page":"3585","last_page":"3595"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9995999932289124,"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"}},"topics":[{"id":"https://openalex.org/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9995999932289124,"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/T11211","display_name":"3D Surveying and Cultural Heritage","score":0.9995999932289124,"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":0.9991000294685364,"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/point-cloud","display_name":"Point cloud","score":0.7984017133712769},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7715927958488464},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6089429259300232},{"id":"https://openalex.org/keywords/encoder","display_name":"Encoder","score":0.6032383441925049},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5157666206359863},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.4241347908973694},{"id":"https://openalex.org/keywords/transformation","display_name":"Transformation (genetics)","score":0.4160543382167816},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.34605857729911804}],"concepts":[{"id":"https://openalex.org/C131979681","wikidata":"https://www.wikidata.org/wiki/Q1899648","display_name":"Point cloud","level":2,"score":0.7984017133712769},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7715927958488464},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6089429259300232},{"id":"https://openalex.org/C118505674","wikidata":"https://www.wikidata.org/wiki/Q42586063","display_name":"Encoder","level":2,"score":0.6032383441925049},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5157666206359863},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.4241347908973694},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.4160543382167816},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.34605857729911804},{"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/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"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/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcsvt.2023.3237328","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsvt.2023.3237328","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":[],"awards":[{"id":"https://openalex.org/G1797847628","display_name":null,"funder_award_id":"2022JM-327","funder_id":"https://openalex.org/F4320336567","funder_display_name":"Natural Science Basic Research Program of Shaanxi Province"},{"id":"https://openalex.org/G1949608614","display_name":null,"funder_award_id":"62036006","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G731801172","display_name":null,"funder_award_id":"62276200","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/F4320336567","display_name":"Natural Science Basic Research Program of Shaanxi Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":61,"referenced_works":["https://openalex.org/W1901129140","https://openalex.org/W1920022804","https://openalex.org/W1972485825","https://openalex.org/W1988874269","https://openalex.org/W2083624955","https://openalex.org/W2085261163","https://openalex.org/W2119851068","https://openalex.org/W2150066425","https://openalex.org/W2160821342","https://openalex.org/W2344109021","https://openalex.org/W2519911873","https://openalex.org/W2566265240","https://openalex.org/W2740578684","https://openalex.org/W2908510526","https://openalex.org/W2962828767","https://openalex.org/W2963182550","https://openalex.org/W2963264709","https://openalex.org/W2963847924","https://openalex.org/W2964014140","https://openalex.org/W2966894097","https://openalex.org/W2981685844","https://openalex.org/W2981995220","https://openalex.org/W2986382673","https://openalex.org/W2987087879","https://openalex.org/W2987672160","https://openalex.org/W2990613095","https://openalex.org/W3013243617","https://openalex.org/W3034675048","https://openalex.org/W3035030518","https://openalex.org/W3035338950","https://openalex.org/W3035490780","https://openalex.org/W3037859578","https://openalex.org/W3047057232","https://openalex.org/W3047504807","https://openalex.org/W3108059345","https://openalex.org/W3119816767","https://openalex.org/W3133797311","https://openalex.org/W3172602550","https://openalex.org/W3176124701","https://openalex.org/W3176247000","https://openalex.org/W3177280664","https://openalex.org/W3190318906","https://openalex.org/W3190803734","https://openalex.org/W3201832277","https://openalex.org/W3203699830","https://openalex.org/W3204811697","https://openalex.org/W4205842536","https://openalex.org/W4285803058","https://openalex.org/W4288258040","https://openalex.org/W4290710960","https://openalex.org/W4296913583","https://openalex.org/W4312516208","https://openalex.org/W4312685343","https://openalex.org/W6639824700","https://openalex.org/W6640300118","https://openalex.org/W6757817989","https://openalex.org/W6767019538","https://openalex.org/W6767284090","https://openalex.org/W6780045877","https://openalex.org/W6839939879","https://openalex.org/W6848304741"],"related_works":["https://openalex.org/W3016928466","https://openalex.org/W4389574804","https://openalex.org/W4390516098","https://openalex.org/W2936725271","https://openalex.org/W2181948922","https://openalex.org/W3150655618","https://openalex.org/W2295788148","https://openalex.org/W1578717197","https://openalex.org/W2384362569","https://openalex.org/W3108295644"],"abstract_inverted_index":{"Rigid":[0],"registration":[1,40],"is":[2,98,124],"a":[3,44,82,118],"transformation":[4],"estimation":[5],"problem":[6],"between":[7,50],"two":[8,12],"point":[9,13,90],"clouds.":[10],"The":[11],"clouds":[14],"captured":[15],"may":[16,61],"partially":[17],"overlap":[18],"owing":[19],"to":[20,36,47,100,110,126,139],"different":[21,134],"viewpoints":[22],"and":[23,42,53,66,106,152,156],"acquisition":[24],"times.":[25],"Some":[26],"previous":[27],"correspondence":[28,85,121],"matching":[29,115],"based":[30,84,120],"methods":[31],"utilize":[32,101],"an":[33],"encoder-decoder":[34],"network":[35,87],"carry":[37],"out":[38],"partial-to-partial":[39],"task":[41],"adopt":[43],"skip-connection":[45,60],"structure":[46],"convey":[48],"information":[49,64,105,109],"the":[51,63,68,73,112,131,137,157,161],"encoder":[52,132],"decoder.":[54],"However,":[55],"equally":[56],"revisiting":[57],"them":[58],"with":[59],"introduce":[62],"redundancy,":[65],"limit":[67],"feature":[69,95],"learning":[70],"ability":[71],"of":[72],"entire":[74],"network.":[75],"To":[76],"address":[77],"these":[78],"problems,":[79],"we":[80],"propose":[81],"skip-attention":[83,119],"filtering":[86,122],"(SACF-Net)":[88],"for":[89],"cloud":[91],"registration.":[92],"A":[93],"novel":[94],"interaction":[96],"mechanism":[97],"designed":[99],"both":[102],"low-level":[103],"geometric":[104],"high-level":[107],"context-aware":[108],"enhance":[111],"original":[113],"pointwise":[114],"map.":[116],"Additionally,":[117],"method":[123],"proposed":[125,162],"selectively":[127],"revisits":[128],"features":[129],"in":[130],"at":[133],"resolutions,":[135],"allowing":[136],"decoder":[138],"extract":[140],"high-quality":[141],"correspondences":[142],"within":[143],"overlapping":[144],"regions.":[145],"We":[146],"conduct":[147],"comprehensive":[148],"experiments":[149],"on":[150],"indoor":[151],"outdoor":[153],"scene":[154],"datasets,":[155],"results":[158],"show":[159],"that":[160],"SACF-Net":[163],"yields":[164],"unprecedented":[165],"performance":[166],"improvements.":[167]},"counts_by_year":[{"year":2026,"cited_by_count":8},{"year":2025,"cited_by_count":22},{"year":2024,"cited_by_count":65},{"year":2023,"cited_by_count":25}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}