{"id":"https://openalex.org/W2148266258","doi":"https://doi.org/10.1109/ca.2002.1017549","title":"Spacetime sweeping: an interactive dynamic constraints solver","display_name":"Spacetime sweeping: an interactive dynamic constraints solver","publication_year":2002,"publication_date":"2002-01-01","ids":{"openalex":"https://openalex.org/W2148266258","doi":"https://doi.org/10.1109/ca.2002.1017549","mag":"2148266258"},"language":"en","primary_location":{"id":"doi:10.1109/ca.2002.1017549","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ca.2002.1017549","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of Computer Animation 2002 (CA 2002)","raw_type":"proceedings-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/A5080256823","display_name":"Seyoon Tak","orcid":null},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]},{"id":"https://openalex.org/I4210164379","display_name":"Seoul Media Institute of Technology","ror":"https://ror.org/04ywg4h07","country_code":"KR","type":"education","lineage":["https://openalex.org/I4210164379"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Seyoon Tak","raw_affiliation_strings":["Graphics & Media Lab., Seoul Nat. Univ., South Korea","Graphics & Media Laboratory, Seoul National University, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graphics & Media Lab., Seoul Nat. Univ., South Korea","institution_ids":["https://openalex.org/I4210164379"]},{"raw_affiliation_string":"Graphics & Media Laboratory, Seoul National University, South Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051310667","display_name":"Oh-Young Song","orcid":"https://orcid.org/0000-0002-7142-5976"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]},{"id":"https://openalex.org/I4210164379","display_name":"Seoul Media Institute of Technology","ror":"https://ror.org/04ywg4h07","country_code":"KR","type":"education","lineage":["https://openalex.org/I4210164379"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Oh-young Song","raw_affiliation_strings":["Graphics & Media Lab., Seoul Nat. Univ., South Korea","Graphics & Media Laboratory, Seoul National University, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graphics & Media Lab., Seoul Nat. Univ., South Korea","institution_ids":["https://openalex.org/I4210164379"]},{"raw_affiliation_string":"Graphics & Media Laboratory, Seoul National University, South Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111574136","display_name":"Hyeong\u2010Seok Ko","orcid":"https://orcid.org/0009-0008-8068-5244"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]},{"id":"https://openalex.org/I4210164379","display_name":"Seoul Media Institute of Technology","ror":"https://ror.org/04ywg4h07","country_code":"KR","type":"education","lineage":["https://openalex.org/I4210164379"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyeong-Seok Ko","raw_affiliation_strings":["Graphics & Media Lab., Seoul Nat. Univ., South Korea","Graphics & Media Laboratory, Seoul National University, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graphics & Media Lab., Seoul Nat. Univ., South Korea","institution_ids":["https://openalex.org/I4210164379"]},{"raw_affiliation_string":"Graphics & Media Laboratory, Seoul National University, South Korea","institution_ids":["https://openalex.org/I139264467"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5080256823"],"corresponding_institution_ids":["https://openalex.org/I139264467","https://openalex.org/I4210164379"],"apc_list":null,"apc_paid":null,"fwci":7.6639,"has_fulltext":false,"cited_by_count":28,"citation_normalized_percentile":{"value":0.97543376,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"1","issue":null,"first_page":"261","last_page":"270"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12290","display_name":"Human Motion and Animation","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T12290","display_name":"Human Motion and Animation","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T10812","display_name":"Human Pose and Action Recognition","score":0.9962000250816345,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T11439","display_name":"Video Analysis and Summarization","score":0.9746000170707703,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/kinematics","display_name":"Kinematics","score":0.7098770141601562},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6925452947616577},{"id":"https://openalex.org/keywords/kalman-filter","display_name":"Kalman filter","score":0.6798049211502075},{"id":"https://openalex.org/keywords/solver","display_name":"Solver","score":0.5763258934020996},{"id":"https://openalex.org/keywords/acceleration","display_name":"Acceleration","score":0.5625525116920471},{"id":"https://openalex.org/keywords/frame","display_name":"Frame (networking)","score":0.5405035018920898},{"id":"https://openalex.org/keywords/soundness","display_name":"Soundness","score":0.5096428394317627},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.49309274554252625},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.45517873764038086},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.43661969900131226},{"id":"https://openalex.org/keywords/extended-kalman-filter","display_name":"Extended Kalman filter","score":0.41928520798683167},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.39328649640083313},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.37444597482681274},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.25230705738067627}],"concepts":[{"id":"https://openalex.org/C39920418","wikidata":"https://www.wikidata.org/wiki/Q11476","display_name":"Kinematics","level":2,"score":0.7098770141601562},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6925452947616577},{"id":"https://openalex.org/C157286648","wikidata":"https://www.wikidata.org/wiki/Q846780","display_name":"Kalman filter","level":2,"score":0.6798049211502075},{"id":"https://openalex.org/C2778770139","wikidata":"https://www.wikidata.org/wiki/Q1966904","display_name":"Solver","level":2,"score":0.5763258934020996},{"id":"https://openalex.org/C117896860","wikidata":"https://www.wikidata.org/wiki/Q11376","display_name":"Acceleration","level":2,"score":0.5625525116920471},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.5405035018920898},{"id":"https://openalex.org/C39920170","wikidata":"https://www.wikidata.org/wiki/Q693083","display_name":"Soundness","level":2,"score":0.5096428394317627},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.49309274554252625},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.45517873764038086},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.43661969900131226},{"id":"https://openalex.org/C206833254","wikidata":"https://www.wikidata.org/wiki/Q5421817","display_name":"Extended Kalman filter","level":3,"score":0.41928520798683167},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.39328649640083313},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.37444597482681274},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.25230705738067627},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","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/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ca.2002.1017549","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ca.2002.1017549","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of Computer Animation 2002 (CA 2002)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321292","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":41,"referenced_works":["https://openalex.org/W585670370","https://openalex.org/W1555601014","https://openalex.org/W1559393815","https://openalex.org/W1559536185","https://openalex.org/W1600187668","https://openalex.org/W1749494163","https://openalex.org/W1915949830","https://openalex.org/W1977259876","https://openalex.org/W1987706689","https://openalex.org/W2017913224","https://openalex.org/W2020934227","https://openalex.org/W2045682702","https://openalex.org/W2066715990","https://openalex.org/W2083382040","https://openalex.org/W2087441489","https://openalex.org/W2101938294","https://openalex.org/W2105934661","https://openalex.org/W2111643867","https://openalex.org/W2125298102","https://openalex.org/W2128128307","https://openalex.org/W2137267908","https://openalex.org/W2147774191","https://openalex.org/W2162812919","https://openalex.org/W2168933799","https://openalex.org/W2169488500","https://openalex.org/W2170918662","https://openalex.org/W2293431122","https://openalex.org/W2293545866","https://openalex.org/W2914508454","https://openalex.org/W2975461012","https://openalex.org/W3022404379","https://openalex.org/W4210244361","https://openalex.org/W4213187341","https://openalex.org/W4236267573","https://openalex.org/W4237331437","https://openalex.org/W4246555273","https://openalex.org/W4298563212","https://openalex.org/W6635674635","https://openalex.org/W6639976000","https://openalex.org/W6655473528","https://openalex.org/W6681158678"],"related_works":["https://openalex.org/W1511249877","https://openalex.org/W1578828174","https://openalex.org/W2950376466","https://openalex.org/W2000943029","https://openalex.org/W2621980927","https://openalex.org/W4302559785","https://openalex.org/W2140496290","https://openalex.org/W2949331520","https://openalex.org/W2103062922","https://openalex.org/W2162299404"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,13,39,61,66,141],"new":[4,67],"method":[5],"for":[6,90],"editing":[7,36,146],"an":[8,87],"existing":[9],"motion":[10,35,148],"to":[11,96,104,123],"satisfy":[12],"set":[14],"of":[15,28,55,127,136,147],"user-specified":[16],"constraints,":[17,99,152],"and":[18,25,57,100,131],"in":[19,60],"doing":[20],"so":[21],"guaranteeing":[22],"the":[23,29,34,46,75,91,97,102,105,110,114,119,124,128,137],"kinematic":[24,56],"dynamic":[26,58,151,155],"soundness":[27],"transformed":[30],"motion.":[31],"We":[32],"cast":[33],"problem":[37,43],"as":[38,154],"constrained":[40],"state":[41],"estimation":[42],"based":[44],"on":[45],"per-frame":[47,134],"Kalman":[48,83],"filter":[49,85,112,121],"framework.":[50],"To":[51],"handle":[52],"various":[53],"kinds":[54],"constraints":[59],"scalable":[62],"fashion,":[63],"we":[64],"develop":[65],"algorithm,":[68],"called":[69],"spacetime":[70],"sweeping,":[71],"which":[72],"sweeps":[73],"through":[74],"frames":[76],"with":[77],"two":[78],"consecutive":[79],"filters.":[80],"The":[81,133],"unscented":[82],"(UK)":[84],"estimates":[86],"optimal":[88],"pose":[89],"current":[92],"frame":[93],"that":[94,149],"conforms":[95],"given":[98],"feeds":[101],"result":[103],"least-squares":[106],"(LS)":[107],"filter.":[108],"Then,":[109],"LS":[111],"resolves":[113],"inter-frame":[115],"inconsistencies":[116],"introduced":[117],"by":[118],"UK":[120],"due":[122],"independent":[125],"handling":[126],"position,":[129],"velocity":[130],"acceleration.":[132],"approach":[135],"space-time":[138],"sweeping":[139],"provides":[140],"surprising":[142],"performance":[143],"gain.":[144],"Thus":[145],"involves":[150],"such":[153],"balancing,":[156],"can":[157],"be":[158],"done":[159],"interactively.":[160]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-05-22T06:13:13.366637","created_date":"2025-10-10T00:00:00"}
