{"id":"https://openalex.org/W2810893237","doi":"https://doi.org/10.1145/3197768.3201533","title":"Multidimensional Trajectory Similarity Estimation via Spatial-Temporal Keyframe Selection and Signal Correlation Analysis","display_name":"Multidimensional Trajectory Similarity Estimation via Spatial-Temporal Keyframe Selection and Signal Correlation Analysis","publication_year":2018,"publication_date":"2018-06-26","ids":{"openalex":"https://openalex.org/W2810893237","doi":"https://doi.org/10.1145/3197768.3201533","mag":"2810893237"},"language":"en","primary_location":{"id":"doi:10.1145/3197768.3201533","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3197768.3201533","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 11th PErvasive Technologies Related to Assistive Environments Conference","raw_type":"proceedings-article"},"type":"conference-paper","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/A5039837405","display_name":"Eftychios Protopapadakis","orcid":"https://orcid.org/0000-0003-3876-0024"},"institutions":[{"id":"https://openalex.org/I174458059","display_name":"National Technical University of Athens","ror":"https://ror.org/03cx6bg69","country_code":"GR","type":"education","lineage":["https://openalex.org/I174458059"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Eftychios Protopapadakis","raw_affiliation_strings":["National Technical University of Athens, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Technical University of Athens, Greece","institution_ids":["https://openalex.org/I174458059"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062640206","display_name":"Athanasios Voulodimos","orcid":"https://orcid.org/0000-0002-0632-9769"},"institutions":[{"id":"https://openalex.org/I4210094138","display_name":"University of West Attica","ror":"https://ror.org/00r2r5k05","country_code":"GR","type":"education","lineage":["https://openalex.org/I4210094138"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Athanasios Voulodimos","raw_affiliation_strings":["University of West Attica, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of West Attica, Greece","institution_ids":["https://openalex.org/I4210094138"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033117805","display_name":"Nikolaos Doulamis","orcid":null},"institutions":[{"id":"https://openalex.org/I174458059","display_name":"National Technical University of Athens","ror":"https://ror.org/03cx6bg69","country_code":"GR","type":"education","lineage":["https://openalex.org/I174458059"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Nikolaos Doulamis","raw_affiliation_strings":["National Technical University of Athens, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Technical University of Athens, Greece","institution_ids":["https://openalex.org/I174458059"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7216,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.67885084,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"91","last_page":"97"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12205","display_name":"Time Series Analysis and Forecasting","score":0.9926999807357788,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T12205","display_name":"Time Series Analysis and Forecasting","score":0.9926999807357788,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10812","display_name":"Human Pose and Action Recognition","score":0.9904000163078308,"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/T11309","display_name":"Music and Audio Processing","score":0.9837999939918518,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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":0.7484033107757568},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.7354989647865295},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.7313318252563477},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6780295372009277},{"id":"https://openalex.org/keywords/frame","display_name":"Frame (networking)","score":0.6417173147201538},{"id":"https://openalex.org/keywords/asynchronous-communication","display_name":"Asynchronous communication","score":0.5898372530937195},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.5514472723007202},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.5499632954597473},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5344921946525574},{"id":"https://openalex.org/keywords/sequence","display_name":"Sequence (biology)","score":0.4852259159088135},{"id":"https://openalex.org/keywords/dimension","display_name":"Dimension (graph theory)","score":0.48451298475265503},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.483737975358963},{"id":"https://openalex.org/keywords/orientation","display_name":"Orientation (vector space)","score":0.46630799770355225},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.462190717458725},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2120603621006012},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.09014526009559631},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.07963928580284119}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7484033107757568},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.7354989647865295},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.7313318252563477},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6780295372009277},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.6417173147201538},{"id":"https://openalex.org/C151319957","wikidata":"https://www.wikidata.org/wiki/Q752739","display_name":"Asynchronous communication","level":2,"score":0.5898372530937195},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.5514472723007202},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.5499632954597473},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5344921946525574},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.4852259159088135},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.48451298475265503},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.483737975358963},{"id":"https://openalex.org/C16345878","wikidata":"https://www.wikidata.org/wiki/Q107472979","display_name":"Orientation (vector space)","level":2,"score":0.46630799770355225},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.462190717458725},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2120603621006012},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.09014526009559631},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.07963928580284119},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"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/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","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},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"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/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3197768.3201533","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3197768.3201533","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 11th PErvasive Technologies Related to Assistive Environments Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320332999","display_name":"Horizon 2020 Framework Programme","ror":"https://ror.org/00k4n6c32"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W75471992","https://openalex.org/W568228339","https://openalex.org/W1892020937","https://openalex.org/W1914479743","https://openalex.org/W1918904102","https://openalex.org/W1998486418","https://openalex.org/W2025155536","https://openalex.org/W2092927559","https://openalex.org/W2148340063","https://openalex.org/W2156779366","https://openalex.org/W2216654070","https://openalex.org/W2402693118","https://openalex.org/W2402907786","https://openalex.org/W2554962499","https://openalex.org/W2558341544","https://openalex.org/W2660404554","https://openalex.org/W2761741804","https://openalex.org/W2764142667","https://openalex.org/W2766574478","https://openalex.org/W2790335308"],"related_works":["https://openalex.org/W2116677773","https://openalex.org/W2155261584","https://openalex.org/W2584231425","https://openalex.org/W2150611273","https://openalex.org/W4207086172","https://openalex.org/W2042919702","https://openalex.org/W4225981436","https://openalex.org/W2156185805","https://openalex.org/W2770353918","https://openalex.org/W2122502560"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"present":[4],"a":[5,50,73],"framework":[6],"for":[7],"trajectory":[8],"matching":[9],"in":[10],"asynchronous":[11],"time":[12],"sequences.":[13],"The":[14,46,67,78],"proposed":[15],"methodology":[16,48],"is":[17,70,81],"applied":[18],"on":[19],"sequences":[20],"of":[21],"traditional":[22],"Greek":[23],"dances":[24],"to":[25,93,97],"quantify":[26],"the":[27,41,54,85],"choreographic":[28],"similarity":[29,99],"between":[30],"them,":[31],"using":[32,72],"body":[33,56],"joints'":[34,57],"position":[35],"and":[36,63],"orientation,":[37],"as":[38,40,44],"well":[39],"temporal":[42],"dimension":[43],"inputs.":[45],"adopted":[47],"uses":[49],"two-step":[51],"approach":[52],"over":[53],"provided":[55],"trajectories:":[58],"a)":[59],"representative":[60],"frame":[61],"selection":[62],"b)":[64],"keyframe":[65],"comparison.":[66],"dance":[68],"act":[69],"captured":[71],"single,":[74],"markerless,":[75],"low-cost":[76],"sensor.":[77],"recorded":[79],"sequence":[80],"summarized":[82],"by":[83],"selecting":[84],"most":[86],"descriptive":[87],"frames,":[88],"which":[89],"are":[90],"then":[91],"compared":[92],"other":[94],"dances'":[95],"keyframes":[96],"calculate":[98],"scores.":[100]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
