{"id":"https://openalex.org/W4409564928","doi":"https://doi.org/10.1111/cgf.70068","title":"BlendSim: Simulation on Parametric Blendshapes using Spacetime Projective Dynamics","display_name":"BlendSim: Simulation on Parametric Blendshapes using Spacetime Projective Dynamics","publication_year":2025,"publication_date":"2025-04-18","ids":{"openalex":"https://openalex.org/W4409564928","doi":"https://doi.org/10.1111/cgf.70068"},"language":"en","primary_location":{"id":"doi:10.1111/cgf.70068","is_oa":true,"landing_page_url":"https://doi.org/10.1111/cgf.70068","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1111/cgf.70068","source":{"id":"https://openalex.org/S67831204","display_name":"Computer Graphics Forum","issn_l":"0167-7055","issn":["0167-7055","1467-8659"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer Graphics Forum","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1111/cgf.70068","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102800314","display_name":"Yuhan Wu","orcid":"https://orcid.org/0009-0009-5358-5579"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yuhan Wu","raw_affiliation_strings":["The University of Tokyo  Japan"],"raw_orcid":"https://orcid.org/0009-0009-5358-5579","affiliations":[{"raw_affiliation_string":"The University of Tokyo  Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085087441","display_name":"Nobuyuki Umetani","orcid":"https://orcid.org/0000-0003-1251-970X"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Nobuyuki Umetani","raw_affiliation_strings":["The University of Tokyo  Japan"],"raw_orcid":"https://orcid.org/0000-0003-1251-970X","affiliations":[{"raw_affiliation_string":"The University of Tokyo  Japan","institution_ids":["https://openalex.org/I74801974"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I74801974"],"apc_list":{"value":3710,"currency":"USD","value_usd":3710},"apc_paid":{"value":3710,"currency":"USD","value_usd":3710},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.07152861,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"44","issue":"2","first_page":null,"last_page":null},"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/T10719","display_name":"3D Shape Modeling and Analysis","score":0.9990000128746033,"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"}},{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/computer-science","display_name":"Computer science","score":0.7625874280929565},{"id":"https://openalex.org/keywords/animation","display_name":"Animation","score":0.6807553172111511},{"id":"https://openalex.org/keywords/computer-animation","display_name":"Computer animation","score":0.5176806449890137},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.4879714846611023},{"id":"https://openalex.org/keywords/spacetime","display_name":"Spacetime","score":0.42601585388183594},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.33068686723709106},{"id":"https://openalex.org/keywords/computational-science","display_name":"Computational science","score":0.3267825245857239}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7625874280929565},{"id":"https://openalex.org/C502989409","wikidata":"https://www.wikidata.org/wiki/Q11425","display_name":"Animation","level":2,"score":0.6807553172111511},{"id":"https://openalex.org/C69369342","wikidata":"https://www.wikidata.org/wiki/Q1401416","display_name":"Computer animation","level":3,"score":0.5176806449890137},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.4879714846611023},{"id":"https://openalex.org/C130187892","wikidata":"https://www.wikidata.org/wiki/Q133327","display_name":"Spacetime","level":2,"score":0.42601585388183594},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.33068686723709106},{"id":"https://openalex.org/C459310","wikidata":"https://www.wikidata.org/wiki/Q117801","display_name":"Computational science","level":1,"score":0.3267825245857239},{"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1111/cgf.70068","is_oa":true,"landing_page_url":"https://doi.org/10.1111/cgf.70068","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1111/cgf.70068","source":{"id":"https://openalex.org/S67831204","display_name":"Computer Graphics Forum","issn_l":"0167-7055","issn":["0167-7055","1467-8659"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer Graphics Forum","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1111/cgf.70068","is_oa":true,"landing_page_url":"https://doi.org/10.1111/cgf.70068","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1111/cgf.70068","source":{"id":"https://openalex.org/S67831204","display_name":"Computer Graphics Forum","issn_l":"0167-7055","issn":["0167-7055","1467-8659"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer Graphics Forum","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.5,"id":"https://metadata.un.org/sdg/14","display_name":"Life below water"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4409564928.pdf"},"referenced_works_count":38,"referenced_works":["https://openalex.org/W1827769268","https://openalex.org/W1970552420","https://openalex.org/W1978760451","https://openalex.org/W1987706689","https://openalex.org/W1991683736","https://openalex.org/W2025412867","https://openalex.org/W2051567001","https://openalex.org/W2064772105","https://openalex.org/W2075347672","https://openalex.org/W2076897996","https://openalex.org/W2099824239","https://openalex.org/W2109991971","https://openalex.org/W2125298102","https://openalex.org/W2132836675","https://openalex.org/W2139093517","https://openalex.org/W2153961306","https://openalex.org/W2168933799","https://openalex.org/W2293545866","https://openalex.org/W2295357537","https://openalex.org/W2401751489","https://openalex.org/W2883574771","https://openalex.org/W2964315391","https://openalex.org/W2965639322","https://openalex.org/W2987667998","https://openalex.org/W3034192160","https://openalex.org/W3138581055","https://openalex.org/W3214811308","https://openalex.org/W4226300883","https://openalex.org/W4246308730","https://openalex.org/W4248591199","https://openalex.org/W4252718184","https://openalex.org/W4385275470","https://openalex.org/W4385489947","https://openalex.org/W4386136985","https://openalex.org/W4386141917","https://openalex.org/W6796721163","https://openalex.org/W6811631718","https://openalex.org/W6856596400"],"related_works":["https://openalex.org/W2121378366","https://openalex.org/W3112102641","https://openalex.org/W2013184069","https://openalex.org/W2989004599","https://openalex.org/W1976926596","https://openalex.org/W126583968","https://openalex.org/W2535923857","https://openalex.org/W2532377291","https://openalex.org/W2359575859","https://openalex.org/W2999276620"],"abstract_inverted_index":{"Abstract":[0],"We":[1],"propose":[2],"BlendSim,":[3],"a":[4,24,134],"novel":[5],"framework":[6],"for":[7,102,159],"editable":[8],"simulation":[9],"using":[10,53],"spacetime":[11,19],"optimization":[12,125],"on":[13],"the":[14,40,43,47,80,119,124,153],"lightweight":[15],"animation":[16,65,146],"representation.":[17],"Traditional":[18],"control":[20],"methods":[21],"suffer":[22],"from":[23],"high":[25],"computational":[26,120],"complexity,":[27],"which":[28],"limits":[29],"their":[30],"use":[31],"in":[32],"interactive":[33],"animation.":[34,164],"The":[35,87],"proposed":[36,88],"approach":[37],"effectively":[38],"reduces":[39],"dimensionality":[41],"of":[42,50,82],"problem":[44],"by":[45,122],"representing":[46],"motion":[48],"trajectories":[49],"each":[51],"vertex":[52],"continuous":[54,68],"parametric":[55],"B\u00e9zier":[56],"splines":[57],"with":[58,144],"variable":[59],"keyframe":[60],"times.":[61],"Because":[62],"this":[63],"mesh":[64,163],"representation":[66],"is":[67,142],"and":[69,96,108,129,136,148,161],"fully":[70],"differentiable,":[71],"it":[72,78,100,156],"can":[73],"be":[74],"optimized":[75],"such":[76,93,151],"that":[77],"follows":[79],"laws":[81],"physics":[83],"under":[84],"various":[85],"constraints.":[86],"method":[89],"also":[90],"integrates":[91],"constraints,":[92],"as":[94,152],"collisions":[95],"cyclic":[97],"motion,":[98],"making":[99,155],"suitable":[101],"real\u2010world":[103],"applications":[104],"where":[105],"seamless":[106],"looping":[107],"physical":[109],"interactions":[110],"are":[111],"required.":[112],"Leveraging":[113],"projective":[114],"dynamics,":[115],"we":[116],"further":[117],"enhance":[118],"efficiency":[121],"decoupling":[123],"into":[126],"local":[127],"parallelizable":[128],"global":[130],"quadratic":[131],"steps,":[132],"enabling":[133],"fast":[135],"stable":[137],"simulation.":[138],"In":[139],"addition,":[140],"BlendSim":[141],"compatible":[143],"modern":[145],"workflows":[147],"file":[149],"formats,":[150],"glTF,":[154],"practical":[157],"way":[158],"authoring":[160],"transferring":[162]},"counts_by_year":[],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}