{"id":"https://openalex.org/W4200131983","doi":"https://doi.org/10.1145/3460619","title":"Instant Basketball Defensive Trajectory Generation","display_name":"Instant Basketball Defensive Trajectory Generation","publication_year":2021,"publication_date":"2021-12-23","ids":{"openalex":"https://openalex.org/W4200131983","doi":"https://doi.org/10.1145/3460619"},"language":"en","primary_location":{"id":"doi:10.1145/3460619","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3460619","pdf_url":null,"source":{"id":"https://openalex.org/S2492086750","display_name":"ACM Transactions on Intelligent Systems and Technology","issn_l":"2157-6904","issn":["2157-6904","2157-6912"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Intelligent Systems and 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/A5101536450","display_name":"Wen\u2010Cheng Chen","orcid":"https://orcid.org/0000-0002-5581-9991"},"institutions":[{"id":"https://openalex.org/I91807558","display_name":"National Cheng Kung University","ror":"https://ror.org/01b8kcc49","country_code":"TW","type":"education","lineage":["https://openalex.org/I91807558"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Wen-Cheng Chen","raw_affiliation_strings":["National Cheng Kung University, Tainan City, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Cheng Kung University, Tainan City, Taiwan","institution_ids":["https://openalex.org/I91807558"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112317602","display_name":"Wan-Lun Tsai","orcid":null},"institutions":[{"id":"https://openalex.org/I91807558","display_name":"National Cheng Kung University","ror":"https://ror.org/01b8kcc49","country_code":"TW","type":"education","lineage":["https://openalex.org/I91807558"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Wan-Lun Tsai","raw_affiliation_strings":["National Cheng Kung University, Tainan City, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Cheng Kung University, Tainan City, Taiwan","institution_ids":["https://openalex.org/I91807558"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023252035","display_name":"Huan-Hua Chang","orcid":null},"institutions":[{"id":"https://openalex.org/I91807558","display_name":"National Cheng Kung University","ror":"https://ror.org/01b8kcc49","country_code":"TW","type":"education","lineage":["https://openalex.org/I91807558"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Huan-Hua Chang","raw_affiliation_strings":["National Cheng Kung University, Tainan City, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Cheng Kung University, Tainan City, Taiwan","institution_ids":["https://openalex.org/I91807558"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029298215","display_name":"Min\u2010Chun Hu","orcid":"https://orcid.org/0000-0003-1917-2155"},"institutions":[{"id":"https://openalex.org/I25846049","display_name":"National Tsing Hua University","ror":"https://ror.org/00zdnkx70","country_code":"TW","type":"education","lineage":["https://openalex.org/I25846049"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Min-Chun Hu","raw_affiliation_strings":["National Tsing Hua University, Hsinchu, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Tsing Hua University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I25846049"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034946345","display_name":"Wei-Ta Chu","orcid":"https://orcid.org/0000-0001-5722-7239"},"institutions":[{"id":"https://openalex.org/I91807558","display_name":"National Cheng Kung University","ror":"https://ror.org/01b8kcc49","country_code":"TW","type":"education","lineage":["https://openalex.org/I91807558"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Wei-Ta Chu","raw_affiliation_strings":["National Cheng Kung University, Tainan City, Taiwan"],"affiliations":[{"raw_affiliation_string":"National Cheng Kung University, Tainan City, Taiwan","institution_ids":["https://openalex.org/I91807558"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5101536450"],"corresponding_institution_ids":["https://openalex.org/I91807558"],"apc_list":null,"apc_paid":null,"fwci":0.0961,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.42196078,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":"13","issue":"1","first_page":"1","last_page":"20"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10812","display_name":"Human Pose and Action Recognition","score":0.9994999766349792,"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"}},"topics":[{"id":"https://openalex.org/T10812","display_name":"Human Pose and Action Recognition","score":0.9994999766349792,"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":0.9990000128746033,"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/T12290","display_name":"Human Motion and Animation","score":0.994700014591217,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8609736561775208},{"id":"https://openalex.org/keywords/basketball","display_name":"Basketball","score":0.757205605506897},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.6073406934738159},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.4573279619216919},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.45476678013801575},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.4106701910495758}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8609736561775208},{"id":"https://openalex.org/C103189561","wikidata":"https://www.wikidata.org/wiki/Q5372","display_name":"Basketball","level":2,"score":0.757205605506897},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.6073406934738159},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.4573279619216919},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.45476678013801575},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.4106701910495758},{"id":"https://openalex.org/C95457728","wikidata":"https://www.wikidata.org/wiki/Q309","display_name":"History","level":0,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","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:10.1145/3460619","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3460619","pdf_url":null,"source":{"id":"https://openalex.org/S2492086750","display_name":"ACM Transactions on Intelligent Systems and Technology","issn_l":"2157-6904","issn":["2157-6904","2157-6912"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Intelligent Systems and Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.5899999737739563}],"awards":[{"id":"https://openalex.org/G5005170098","display_name":null,"funder_award_id":"107-2811-E-006-541, 108-2218-E-007-055, 108-2221-E-007-106-MY3, 109-2218-E-006-019, 109-2221-E-007-095-MY3","funder_id":"https://openalex.org/F4320322795","funder_display_name":"Ministry of Science and Technology, Taiwan"}],"funders":[{"id":"https://openalex.org/F4320322795","display_name":"Ministry of Science and Technology, Taiwan","ror":"https://ror.org/02kv4zf79"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W21857574","https://openalex.org/W1522301498","https://openalex.org/W1563395941","https://openalex.org/W1810943226","https://openalex.org/W1992491006","https://openalex.org/W2008060244","https://openalex.org/W2105594594","https://openalex.org/W2107130092","https://openalex.org/W2135691157","https://openalex.org/W2172159524","https://openalex.org/W2519091744","https://openalex.org/W2573579225","https://openalex.org/W2885316569","https://openalex.org/W2896332777","https://openalex.org/W2982202190","https://openalex.org/W3159145983","https://openalex.org/W4249736682","https://openalex.org/W4311415873"],"related_works":["https://openalex.org/W2369330680","https://openalex.org/W2387007275","https://openalex.org/W2389047293","https://openalex.org/W2348951541","https://openalex.org/W2363923555","https://openalex.org/W2379277877","https://openalex.org/W2359223739","https://openalex.org/W2377467184","https://openalex.org/W2375049945","https://openalex.org/W2356570223"],"abstract_inverted_index":{"Tactic":[0],"learning":[1],"in":[2,23,118,130,187,227],"virtual":[3,21,31],"reality":[4],"(VR)":[5],"has":[6],"been":[7],"proven":[8],"to":[9,27,87,110,157],"be":[10],"effective":[11],"for":[12,49,59,174,192],"basketball":[13,39,62,107,119,222],"training.":[14],"Endowed":[15],"with":[16,126,153],"the":[17,28,35,50,71,75,78,89,103,112,123,127,142,149,154,159,162,171,177,181,188,193,200,213],"ability":[18],"of":[19,30,73,77,93,106,132,148,161,180,229],"generating":[20],"defenders":[22],"real":[24,116,155],"time":[25],"according":[26],"movement":[29],"offenders":[32],"controlled":[33],"by":[34],"user,":[36],"a":[37],"VR":[38],"training":[40],"system":[41],"can":[42,216],"bring":[43],"more":[44,166],"immersive":[45],"and":[46,135,146,176,202],"realistic":[47],"experiences":[48],"trainee.":[51],"In":[52,164],"this":[53],"article,":[54],"an":[55],"autoregressive":[56],"generative":[57],"model":[58],"instantly":[60],"producing":[61],"defensive":[63,151,178,223],"trajectory":[64,183,224],"is":[65,85],"introduced.":[66],"We":[67,121],"further":[68],"focus":[69],"on":[70,102,199],"issue":[72],"preserving":[74],"diversity":[76],"generated":[79,113,150,182],"trajectories.":[80],"A":[81],"differentiable":[82],"sampling":[83],"mechanism":[84],"adopted":[86],"learn":[88],"continuous":[90],"Gaussian":[91],"distribution":[92],"player":[94],"position.":[95],"Moreover,":[96],"several":[97],"heuristic":[98],"loss":[99],"functions":[100],"based":[101],"domain":[104],"knowledge":[105],"are":[108,184,205],"designed":[109],"make":[111],"trajectories":[114,152],"assemble":[115],"situations":[117],"games.":[120],"compare":[122],"proposed":[124,201,214],"method":[125,215],"state-of-the-art":[128],"works":[129,226],"terms":[131,228],"both":[133],"objective":[134,139,189],"subjective":[136,194],"manners.":[137],"The":[138,208],"manner":[140],"compares":[141],"average":[143],"position,":[144],"velocity,":[145],"acceleration":[147],"ones":[156],"evaluate":[158],"fidelity":[160],"results.":[163],"addition,":[165],"high-level":[167],"aspects":[168],"such":[169],"as":[170],"empty":[172],"space":[173],"offender":[175],"pressure":[179],"also":[185],"considered":[186],"evaluation.":[190],"As":[191],"manner,":[195],"visual":[196],"comparison":[197],"questionnaires":[198],"other":[203],"methods":[204],"thoroughly":[206],"conducted.":[207],"experimental":[209],"results":[210],"show":[211],"that":[212],"achieve":[217],"better":[218],"performance":[219],"than":[220],"previous":[221],"generation":[225],"different":[230],"evaluation":[231],"metrics.":[232]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}