{"id":"https://openalex.org/W7165625755","doi":"https://doi.org/10.48550/arxiv.2606.23028","title":"Physics-Guided Spatiotemporal State Space Modeling for Lookahead Molten Pool Segmentation in Laser Wire-Feed Welding","display_name":"Physics-Guided Spatiotemporal State Space Modeling for Lookahead Molten Pool Segmentation in Laser Wire-Feed Welding","publication_year":2026,"publication_date":"2026-06-22","ids":{"openalex":"https://openalex.org/W7165625755","doi":"https://doi.org/10.48550/arxiv.2606.23028"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2606.23028","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.23028","pdf_url":null,"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":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2606.23028","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5139149405","display_name":"Sen Li","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li, Sen","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5139137368","display_name":"Haichao Cui","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Cui, Haichao","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102675028","display_name":"Changhao Yin","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yin, Changhao","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5139169345","display_name":"Chendong Shao","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shao, Chendong","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5139170860","display_name":"Yaqi Wang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wang, Yaqi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004010230","display_name":"X W Tang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tang, Xinhua","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5139135456","display_name":"Fenggui Lu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lu, Fenggui","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10834","display_name":"Welding Techniques and Residual Stresses","score":0.986299991607666,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T10834","display_name":"Welding Techniques and Residual Stresses","score":0.986299991607666,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T10723","display_name":"Advanced Welding Techniques Analysis","score":0.002300000051036477,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T10705","display_name":"Additive Manufacturing Materials and Processes","score":0.0012000000569969416,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"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/keyhole","display_name":"Keyhole","score":0.824400007724762},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.6365000009536743},{"id":"https://openalex.org/keywords/welding","display_name":"Welding","score":0.5497000217437744},{"id":"https://openalex.org/keywords/segmentation","display_name":"Segmentation","score":0.5400000214576721},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.512499988079071},{"id":"https://openalex.org/keywords/laser","display_name":"Laser","score":0.4523000121116638},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.44359999895095825},{"id":"https://openalex.org/keywords/laser-beam-welding","display_name":"Laser beam welding","score":0.4343999922275543},{"id":"https://openalex.org/keywords/actuator","display_name":"Actuator","score":0.4318999946117401}],"concepts":[{"id":"https://openalex.org/C2776139624","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Keyhole","level":3,"score":0.824400007724762},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.6365000009536743},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6050000190734863},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5831999778747559},{"id":"https://openalex.org/C19474535","wikidata":"https://www.wikidata.org/wiki/Q131172","display_name":"Welding","level":2,"score":0.5497000217437744},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.54830002784729},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.5400000214576721},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.512499988079071},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.4523000121116638},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.44359999895095825},{"id":"https://openalex.org/C89344249","wikidata":"https://www.wikidata.org/wiki/Q937468","display_name":"Laser beam welding","level":3,"score":0.4343999922275543},{"id":"https://openalex.org/C172707124","wikidata":"https://www.wikidata.org/wiki/Q423488","display_name":"Actuator","level":2,"score":0.4318999946117401},{"id":"https://openalex.org/C72434380","wikidata":"https://www.wikidata.org/wiki/Q230930","display_name":"State space","level":2,"score":0.40389999747276306},{"id":"https://openalex.org/C83665646","wikidata":"https://www.wikidata.org/wiki/Q42139305","display_name":"Feature vector","level":2,"score":0.40049999952316284},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.3456999957561493},{"id":"https://openalex.org/C51221625","wikidata":"https://www.wikidata.org/wiki/Q1751466","display_name":"Coaxial","level":2,"score":0.3407000005245209},{"id":"https://openalex.org/C2779304628","wikidata":"https://www.wikidata.org/wiki/Q3503480","display_name":"Face (sociological concept)","level":2,"score":0.33180001378059387},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.328000009059906},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.3224000036716461},{"id":"https://openalex.org/C2776143536","wikidata":"https://www.wikidata.org/wiki/Q7980866","display_name":"Weld pool","level":5,"score":0.3156999945640564},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.3084000051021576},{"id":"https://openalex.org/C141353440","wikidata":"https://www.wikidata.org/wiki/Q182221","display_name":"Fuse (electrical)","level":2,"score":0.3012000024318695},{"id":"https://openalex.org/C78201319","wikidata":"https://www.wikidata.org/wiki/Q685727","display_name":"Grayscale","level":3,"score":0.296999990940094},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.27869999408721924},{"id":"https://openalex.org/C62354387","wikidata":"https://www.wikidata.org/wiki/Q875399","display_name":"Boundary (topology)","level":2,"score":0.2653000056743622},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2590999901294708},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.257999986410141}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2606.23028","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.23028","pdf_url":null,"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":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2606.23028","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.23028","pdf_url":null,"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":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Real-time":[0],"weld-pool":[1,32],"perception":[2],"is":[3],"critical":[4],"for":[5,30],"closed-loop":[6],"control":[7],"in":[8],"laser":[9,115],"wire-feed":[10],"welding,":[11],"where":[12],"sensing,":[13],"computation,":[14],"and":[15,44,62,71,87,99,108,142],"actuator":[16],"response":[17],"introduce":[18],"unavoidable":[19],"delay.":[20],"This":[21],"paper":[22],"presents":[23],"a":[24,67,88,113,127],"physics-guided":[25],"spatiotemporal":[26],"state":[27,77,139],"space":[28,78,140],"network":[29],"lookahead":[31],"segmentation.":[33,153],"The":[34],"model":[35],"uses":[36],"historical":[37],"coaxial":[38],"grayscale":[39],"images,":[40],"welding":[41,116],"process":[42],"parameters,":[43],"aligned":[45],"wire-state":[46],"electrical":[47],"signals":[48],"to":[49,150],"predict":[50],"the":[51,105,120,147],"future":[52,84,152],"semantic":[53],"layout":[54],"of":[55],"three":[56],"physically":[57],"meaningful":[58],"regions:":[59],"keyhole,":[60],"wire,":[61],"molten":[63],"pool.":[64],"It":[65],"combines":[66],"visual":[68],"encoder,":[69],"process-":[70],"sensor-conditioned":[72],"feature":[73,85,97],"normalization,":[74],"patch-level":[75,138],"temporal":[76,95,136],"modeling,":[79,141],"horizon-conditioned":[80],"latent":[81],"prediction,":[82,86],"dense":[83],"motion-aware":[89],"mask":[90],"decoder.":[91],"Auxiliary":[92],"signed-distance-function":[93],"supervision,":[94],"consistency,":[96],"distillation,":[98],"fine-grained":[100],"keyhole":[101,143],"losses":[102],"further":[103,133],"constrain":[104],"predicted":[106],"geometry":[107],"local":[109],"motion.":[110],"Experiments":[111],"on":[112],"43-sequence":[114],"dataset":[117],"show":[118,134],"that":[119,135],"proposed":[121],"WeldMamba":[122],"reaches":[123],"74.63\\%":[124],"mIoU":[125],"at":[126],"500":[128],"ms":[129],"lookahead.":[130],"Ablation":[131],"studies":[132],"history,":[137],"motion":[144],"awareness":[145],"are":[146],"main":[148],"contributors":[149],"robust":[151]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-06-24T00:00:00"}