{"id":"https://openalex.org/W2149696322","doi":"https://doi.org/10.1109/icpr.2002.1044753","title":"Real-time gesture recognition system based on contour signatures","display_name":"Real-time gesture recognition system based on contour signatures","publication_year":2003,"publication_date":"2003-06-25","ids":{"openalex":"https://openalex.org/W2149696322","doi":"https://doi.org/10.1109/icpr.2002.1044753","mag":"2149696322"},"language":"en","primary_location":{"id":"doi:10.1109/icpr.2002.1044753","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icpr.2002.1044753","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Object recognition supported by user interaction for service robots","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/A5059744952","display_name":"Paulo Peixoto","orcid":"https://orcid.org/0000-0002-3680-564X"},"institutions":[{"id":"https://openalex.org/I76903346","display_name":"University of Coimbra","ror":"https://ror.org/04z8k9a98","country_code":"PT","type":"education","lineage":["https://openalex.org/I76903346"]},{"id":"https://openalex.org/I4210125590","display_name":"Institute for Systems Engineering and Computers","ror":"https://ror.org/033wn8m60","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590"]}],"countries":["PT"],"is_corresponding":true,"raw_author_name":"P. Peixoto","raw_affiliation_strings":["ISR-Institute of Systems and Robotics, Department of Electrical Engineering, University of Coimbra, Coimbra, Portugal"],"affiliations":[{"raw_affiliation_string":"ISR-Institute of Systems and Robotics, Department of Electrical Engineering, University of Coimbra, Coimbra, Portugal","institution_ids":["https://openalex.org/I4210125590","https://openalex.org/I76903346"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074484305","display_name":"Jo\u00e3o Gon\u00e7alves","orcid":"https://orcid.org/0000-0002-1245-3715"},"institutions":[{"id":"https://openalex.org/I76903346","display_name":"University of Coimbra","ror":"https://ror.org/04z8k9a98","country_code":"PT","type":"education","lineage":["https://openalex.org/I76903346"]},{"id":"https://openalex.org/I4210125590","display_name":"Institute for Systems Engineering and Computers","ror":"https://ror.org/033wn8m60","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"J. Goncalves","raw_affiliation_strings":["ISR-Institute of Systems and Robotics, Department of Electrical Engineering, University of Coimbra, Coimbra, Portugal"],"affiliations":[{"raw_affiliation_string":"ISR-Institute of Systems and Robotics, Department of Electrical Engineering, University of Coimbra, Coimbra, Portugal","institution_ids":["https://openalex.org/I4210125590","https://openalex.org/I76903346"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023181397","display_name":"H\u00e9lder Ara\u00fajo","orcid":"https://orcid.org/0000-0002-9544-424X"},"institutions":[{"id":"https://openalex.org/I4210125590","display_name":"Institute for Systems Engineering and Computers","ror":"https://ror.org/033wn8m60","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590"]},{"id":"https://openalex.org/I76903346","display_name":"University of Coimbra","ror":"https://ror.org/04z8k9a98","country_code":"PT","type":"education","lineage":["https://openalex.org/I76903346"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"H. Araujo","raw_affiliation_strings":["ISR-Institute of Systems and Robotics, Department of Electrical Engineering, University of Coimbra, Coimbra, Portugal"],"affiliations":[{"raw_affiliation_string":"ISR-Institute of Systems and Robotics, Department of Electrical Engineering, University of Coimbra, Coimbra, Portugal","institution_ids":["https://openalex.org/I4210125590","https://openalex.org/I76903346"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5059744952"],"corresponding_institution_ids":["https://openalex.org/I4210125590","https://openalex.org/I76903346"],"apc_list":null,"apc_paid":null,"fwci":1.286,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.80648536,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"1","issue":null,"first_page":"447","last_page":"450"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11398","display_name":"Hand Gesture Recognition Systems","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"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/T11398","display_name":"Hand Gesture Recognition Systems","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"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":0.9957000017166138,"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/T12740","display_name":"Gait Recognition and Analysis","score":0.987500011920929,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/gesture-recognition","display_name":"Gesture recognition","score":0.7520655393600464},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7283648252487183},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7159477472305298},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6806522607803345},{"id":"https://openalex.org/keywords/gesture","display_name":"Gesture","score":0.6682164669036865},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.6512270569801331},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5630800127983093},{"id":"https://openalex.org/keywords/signature","display_name":"Signature (topology)","score":0.46334442496299744},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4275962710380554},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.18431946635246277}],"concepts":[{"id":"https://openalex.org/C159437735","wikidata":"https://www.wikidata.org/wiki/Q1519524","display_name":"Gesture recognition","level":3,"score":0.7520655393600464},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7283648252487183},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7159477472305298},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6806522607803345},{"id":"https://openalex.org/C207347870","wikidata":"https://www.wikidata.org/wiki/Q371174","display_name":"Gesture","level":2,"score":0.6682164669036865},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.6512270569801331},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5630800127983093},{"id":"https://openalex.org/C2779696439","wikidata":"https://www.wikidata.org/wiki/Q7512811","display_name":"Signature (topology)","level":2,"score":0.46334442496299744},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4275962710380554},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.18431946635246277},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"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/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icpr.2002.1044753","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icpr.2002.1044753","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Object recognition supported by user interaction for service robots","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.103.6974","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.103.6974","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://labvis.isr.uc.pt/pub-2002/icpr2002-px.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1593511620","https://openalex.org/W1595932190","https://openalex.org/W1979566449","https://openalex.org/W2004495586","https://openalex.org/W2017234462","https://openalex.org/W2123977795","https://openalex.org/W2135346934","https://openalex.org/W2146221819","https://openalex.org/W6635511732","https://openalex.org/W6635674116"],"related_works":["https://openalex.org/W2902873204","https://openalex.org/W2185750513","https://openalex.org/W4312416068","https://openalex.org/W3147379364","https://openalex.org/W2010878661","https://openalex.org/W2026258298","https://openalex.org/W3204639664","https://openalex.org/W2970836791","https://openalex.org/W2911691005","https://openalex.org/W2805039731"],"abstract_inverted_index":{"In":[0],"this":[1],"paper":[2],"we":[3],"describe":[4],"a":[5,18,70,82,94],"real-time":[6,167],"gesture":[7,55,152],"recognition":[8,56,98,107],"algorithm":[9,146],"based":[10],"on":[11],"contour":[12,21,26,43,53,66,76],"signature":[13,27,67],"images,":[14],"generated":[15,29],"by":[16,33,115,142],"collecting":[17],"set":[19,71,89],"of":[20,38,41,49,51,62,72,90,108,137,169],"signatures":[22],"over":[23],"time.":[24,160],"Each":[25],"is":[28,57,79,102,123,147],"in":[30,44],"each":[31,39],"frame":[32],"computing":[34],"the":[35,42,47,60,64,88,106,125,158,170],"polar":[36],"coordinates":[37],"point":[40],"relation":[45],"to":[46,59,93,132,149],"center":[48],"mass":[50],"that":[52,86,110],"The":[54,144],"reduced":[58],"problem":[61],"finding":[63],"correspondent":[65],"image":[68,75],"from":[69],"previously":[73],"learned":[74],"signatures.":[77],"This":[78,100],"achieved":[80],"using":[81],"Karhunen-Loeve":[83],"(KL)":[84],"transform":[85],"reduces":[87],"trained":[91],"images":[92],"low-dimensional":[95],"eigenspace,":[96],"making":[97],"easier":[99],"method":[101,127],"particularly":[103],"suitable":[104],"for":[105],"gestures":[109,138],"can":[111,128],"be":[112,130],"perfectly":[113],"described":[114],"silhouettes.":[116],"Since":[117],"no":[118],"shape":[119],"or":[120],"3D":[121],"model":[122],"required":[124],"proposed":[126,145,171],"easily":[129],"adapted":[131],"recognize":[133],"several":[134],"other":[135],"types":[136],"not":[139],"necessarily":[140],"performed":[141],"humans.":[143],"able":[148],"extract":[150],"target":[151],"motions":[153],"and":[154,166],"classify":[155],"them":[156],"at":[157],"same":[159],"Preliminary":[161],"experimental":[162],"results":[163],"demonstrate":[164],"robustness":[165],"performance":[168],"algorithm.":[172]},"counts_by_year":[{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
