{"id":"https://openalex.org/W4413945062","doi":"https://doi.org/10.1109/icra55743.2025.11127947","title":"Nonlinear Motion-Guided and Spatio-Temporal Aware Network for Unsupervised Event-Based Optical Flow","display_name":"Nonlinear Motion-Guided and Spatio-Temporal Aware Network for Unsupervised Event-Based Optical Flow","publication_year":2025,"publication_date":"2025-05-19","ids":{"openalex":"https://openalex.org/W4413945062","doi":"https://doi.org/10.1109/icra55743.2025.11127947"},"language":"en","primary_location":{"id":"doi:10.1109/icra55743.2025.11127947","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icra55743.2025.11127947","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Conference on Robotics and Automation (ICRA)","raw_type":"proceedings-article"},"type":"article","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2505.05089","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5103147123","display_name":"Z. Liu","orcid":"https://orcid.org/0009-0002-8122-2141"},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zuntao Liu","raw_affiliation_strings":["Northeastern University,Faculty of Robot Science and Engineering,Shenyang,China"],"affiliations":[{"raw_affiliation_string":"Northeastern University,Faculty of Robot Science and Engineering,Shenyang,China","institution_ids":["https://openalex.org/I9224756"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100613968","display_name":"Hao Zhuang","orcid":"https://orcid.org/0000-0002-3731-7162"},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hao Zhuang","raw_affiliation_strings":["Northeastern University,Faculty of Robot Science and Engineering,Shenyang,China"],"affiliations":[{"raw_affiliation_string":"Northeastern University,Faculty of Robot Science and Engineering,Shenyang,China","institution_ids":["https://openalex.org/I9224756"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101993413","display_name":"Junjie Jiang","orcid":"https://orcid.org/0000-0002-6820-8487"},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Junjie Jiang","raw_affiliation_strings":["Northeastern University,Faculty of Robot Science and Engineering,Shenyang,China"],"affiliations":[{"raw_affiliation_string":"Northeastern University,Faculty of Robot Science and Engineering,Shenyang,China","institution_ids":["https://openalex.org/I9224756"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000849272","display_name":"Yuhang Song","orcid":"https://orcid.org/0000-0003-4990-2964"},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuhang Song","raw_affiliation_strings":["Northeastern University,Faculty of Robot Science and Engineering,Shenyang,China"],"affiliations":[{"raw_affiliation_string":"Northeastern University,Faculty of Robot Science and Engineering,Shenyang,China","institution_ids":["https://openalex.org/I9224756"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064687463","display_name":"Zheng Fang","orcid":"https://orcid.org/0000-0003-3887-3141"},"institutions":[{"id":"https://openalex.org/I9224756","display_name":"Northeastern University","ror":"https://ror.org/03awzbc87","country_code":"CN","type":"education","lineage":["https://openalex.org/I9224756"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zheng Fang","raw_affiliation_strings":["Northeastern University,Faculty of Robot Science and Engineering,Shenyang,China"],"affiliations":[{"raw_affiliation_string":"Northeastern University,Faculty of Robot Science and Engineering,Shenyang,China","institution_ids":["https://openalex.org/I9224756"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5103147123"],"corresponding_institution_ids":["https://openalex.org/I9224756"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.11806487,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"8774","last_page":"8780"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12611","display_name":"Neural Networks and Reservoir Computing","score":0.9873999953269958,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12611","display_name":"Neural Networks and Reservoir Computing","score":0.9873999953269958,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11438","display_name":"Retinal Imaging and Analysis","score":0.9609000086784363,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9433000087738037,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/optical-flow","display_name":"Optical flow","score":0.8025615215301514},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7133393287658691},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.5491852164268494},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.5169162750244141},{"id":"https://openalex.org/keywords/event","display_name":"Event (particle physics)","score":0.49885106086730957},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4511069059371948},{"id":"https://openalex.org/keywords/flow","display_name":"Flow (mathematics)","score":0.4121848940849304},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.13858386874198914},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.11455276608467102},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10977312922477722}],"concepts":[{"id":"https://openalex.org/C155542232","wikidata":"https://www.wikidata.org/wiki/Q736111","display_name":"Optical flow","level":3,"score":0.8025615215301514},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7133393287658691},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.5491852164268494},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.5169162750244141},{"id":"https://openalex.org/C2779662365","wikidata":"https://www.wikidata.org/wiki/Q5416694","display_name":"Event (particle physics)","level":2,"score":0.49885106086730957},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4511069059371948},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.4121848940849304},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.13858386874198914},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.11455276608467102},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10977312922477722},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icra55743.2025.11127947","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icra55743.2025.11127947","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Conference on Robotics and Automation (ICRA)","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:2505.05089","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2505.05089","pdf_url":"https://arxiv.org/pdf/2505.05089","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:2505.05089","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2505.05089","pdf_url":"https://arxiv.org/pdf/2505.05089","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":[],"awards":[{"id":"https://openalex.org/G1231421488","display_name":null,"funder_award_id":"under","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1474490597","display_name":null,"funder_award_id":"111 Project","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2311391187","display_name":null,"funder_award_id":"B16009","funder_id":"https://openalex.org/F4320327912","funder_display_name":"Higher Education Discipline Innovation Project"},{"id":"https://openalex.org/G2871798451","display_name":null,"funder_award_id":"N2226001","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G391238517","display_name":null,"funder_award_id":", and","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4020255992","display_name":null,"funder_award_id":"Project","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6509363187","display_name":null,"funder_award_id":"62073066","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7033253288","display_name":null,"funder_award_id":"Grants","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G969350000","display_name":null,"funder_award_id":"B16009","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/F4320327912","display_name":"Higher Education Discipline Innovation Project","ror":null},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4413945062.pdf","grobid_xml":"https://content.openalex.org/works/W4413945062.grobid-xml"},"referenced_works_count":33,"referenced_works":["https://openalex.org/W1901129140","https://openalex.org/W2027661541","https://openalex.org/W2041992727","https://openalex.org/W2150066425","https://openalex.org/W2745859992","https://openalex.org/W2783185291","https://openalex.org/W2788172931","https://openalex.org/W2789435382","https://openalex.org/W2796402180","https://openalex.org/W2904275768","https://openalex.org/W2968243907","https://openalex.org/W3040838455","https://openalex.org/W3091146474","https://openalex.org/W3092083701","https://openalex.org/W3138915575","https://openalex.org/W3139658937","https://openalex.org/W3151130473","https://openalex.org/W3177222833","https://openalex.org/W3200334356","https://openalex.org/W3205306227","https://openalex.org/W4205982568","https://openalex.org/W4206212670","https://openalex.org/W4285043186","https://openalex.org/W4312852806","https://openalex.org/W4313029475","https://openalex.org/W4313482706","https://openalex.org/W4366503954","https://openalex.org/W4383108925","https://openalex.org/W4383109119","https://openalex.org/W4387010759","https://openalex.org/W4390873605","https://openalex.org/W4391741850","https://openalex.org/W4401415889"],"related_works":["https://openalex.org/W2023355163","https://openalex.org/W4386083130","https://openalex.org/W3111737715","https://openalex.org/W2069571255","https://openalex.org/W2117442182","https://openalex.org/W2081707527","https://openalex.org/W1975907365","https://openalex.org/W4286646204","https://openalex.org/W2564375980","https://openalex.org/W3092720353"],"abstract_inverted_index":{"Event":[0],"cameras":[1],"have":[2],"the":[3,34,49,137,145,154,171],"potential":[4],"to":[5,122,143],"capture":[6],"continuous":[7],"motion":[8,44,73,132,140],"information":[9,69,121],"over":[10],"time":[11,51],"and":[12,70,107,156,173],"space,":[13],"making":[14],"them":[15],"well-suited":[16],"for":[17,26,78],"optical":[18,28,55,80,91],"flow":[19,29,56,81,92],"estimation.":[20,82],"However,":[21],"most":[22],"existing":[23],"learning-based":[24],"methods":[25,41,169],"event-based":[27,79,90],"adopt":[30],"frame-based":[31],"techniques,":[32],"ignoring":[33],"spatio-temporal":[35,68,120,124],"characteristics":[36],"of":[37,116,148,158],"events.":[38],"Additionally,":[39],"these":[40],"assume":[42],"linear":[43],"between":[45,74,141],"consecutive":[46],"events":[47,75,142],"within":[48],"loss":[50,134],"window,":[52],"which":[53,117],"increases":[54],"errors":[57],"in":[58],"long-time":[59,96],"sequences.":[60,97],"In":[61],"this":[62],"work,":[63],"we":[64,84,128],"observe":[65],"that":[66,135],"rich":[67,119],"accurate":[71,138],"nonlinear":[72,131,139],"are":[76],"crucial":[77],"Therefore,":[83],"propose":[85,99,129],"E-NMSTFlow,":[86],"a":[87,100,130],"novel":[88],"unsupervised":[89,146,167],"network":[93],"focusing":[94],"on":[95,170],"We":[98],"Spatio-Temporal":[101],"Motion":[102,110],"Feature":[103,111],"Aware":[104],"(STMFA)":[105],"module":[106],"an":[108],"Adaptive":[109],"Enhancement":[112],"(AMFE)":[113],"module,":[114],"both":[115],"utilize":[118],"learn":[123],"data":[125],"associations.":[126],"Meanwhile,":[127],"compensation":[133],"utilizes":[136],"improve":[144],"learning":[147,168],"our":[149,159,162],"network.":[150],"Extensive":[151],"experiments":[152],"demonstrate":[153],"effectiveness":[155],"superiority":[157],"method.":[160],"Remarkably,":[161],"method":[163],"ranks":[164],"first":[165],"among":[166],"MVSEC":[172],"DSEC-Flow":[174],"datasets.":[175]},"counts_by_year":[],"updated_date":"2026-04-15T08:11:43.952461","created_date":"2025-10-10T00:00:00"}
