{"id":"https://openalex.org/W2888546305","doi":"https://doi.org/10.1109/tsp.2018.8441293","title":"Fractional Derivatives of Online Handwriting: A New Approach of Parkinsonic Dysgraphia Analysis","display_name":"Fractional Derivatives of Online Handwriting: A New Approach of Parkinsonic Dysgraphia Analysis","publication_year":2018,"publication_date":"2018-07-01","ids":{"openalex":"https://openalex.org/W2888546305","doi":"https://doi.org/10.1109/tsp.2018.8441293","mag":"2888546305"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2018.8441293","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2018.8441293","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 41st International Conference on Telecommunications and Signal Processing (TSP)","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/A5019914308","display_name":"J\u00e1n Mucha","orcid":"https://orcid.org/0000-0001-5126-440X"},"institutions":[{"id":"https://openalex.org/I60587646","display_name":"Brno University of Technology","ror":"https://ror.org/03613d656","country_code":"CZ","type":"education","lineage":["https://openalex.org/I60587646"]}],"countries":["CZ"],"is_corresponding":true,"raw_author_name":"Jan Mucha","raw_affiliation_strings":["Department of Telecommunications and SIX Research Centre, Brno University of Technology, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Department of Telecommunications and SIX Research Centre, Brno University of Technology, Brno, Czech Republic","institution_ids":["https://openalex.org/I60587646"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058192487","display_name":"Vojt\u011bch Zvon\u010d\u00e1k","orcid":"https://orcid.org/0000-0002-1948-4653"},"institutions":[{"id":"https://openalex.org/I60587646","display_name":"Brno University of Technology","ror":"https://ror.org/03613d656","country_code":"CZ","type":"education","lineage":["https://openalex.org/I60587646"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Vojtech Zvoncak","raw_affiliation_strings":["Department of Telecommunications and SIX Research Centre, Brno University of Technology, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Department of Telecommunications and SIX Research Centre, Brno University of Technology, Brno, Czech Republic","institution_ids":["https://openalex.org/I60587646"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022568636","display_name":"Zolt\u00e1n Gal\u00e1\u017e","orcid":"https://orcid.org/0000-0002-8978-351X"},"institutions":[{"id":"https://openalex.org/I21449261","display_name":"Masaryk University","ror":"https://ror.org/02j46qs45","country_code":"CZ","type":"education","lineage":["https://openalex.org/I21449261"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Zoltan Galaz","raw_affiliation_strings":["Applied Neuroscience Research Group, Masaryk University, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Applied Neuroscience Research Group, Masaryk University, Brno, Czech Republic","institution_ids":["https://openalex.org/I21449261"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056214167","display_name":"Marcos Fa\u00fandez-Zanuy","orcid":"https://orcid.org/0000-0003-0605-1282"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Marcos Faundez-Zanuy","raw_affiliation_strings":["Escola Superior Politecnica, Mataro, Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Escola Superior Politecnica, Mataro, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023865827","display_name":"Ji\u0159\u00ed Mekyska","orcid":"https://orcid.org/0000-0002-6195-193X"},"institutions":[{"id":"https://openalex.org/I60587646","display_name":"Brno University of Technology","ror":"https://ror.org/03613d656","country_code":"CZ","type":"education","lineage":["https://openalex.org/I60587646"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Jiri Mekyska","raw_affiliation_strings":["Department of Telecommunications and SIX Research Centre, Brno University of Technology, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Department of Telecommunications and SIX Research Centre, Brno University of Technology, Brno, Czech Republic","institution_ids":["https://openalex.org/I60587646"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058681617","display_name":"Tom\u00e1\u0161 Kiska","orcid":"https://orcid.org/0000-0001-7773-1096"},"institutions":[{"id":"https://openalex.org/I60587646","display_name":"Brno University of Technology","ror":"https://ror.org/03613d656","country_code":"CZ","type":"education","lineage":["https://openalex.org/I60587646"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Tomas Kiska","raw_affiliation_strings":["Department of Telecommunications and SIX Research Centre, Brno University of Technology, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Department of Telecommunications and SIX Research Centre, Brno University of Technology, Brno, Czech Republic","institution_ids":["https://openalex.org/I60587646"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027414361","display_name":"Zden\u011bk Sm\u00e9kal","orcid":"https://orcid.org/0000-0002-8483-5448"},"institutions":[{"id":"https://openalex.org/I60587646","display_name":"Brno University of Technology","ror":"https://ror.org/03613d656","country_code":"CZ","type":"education","lineage":["https://openalex.org/I60587646"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Zdenek Smekal","raw_affiliation_strings":["Department of Telecommunications and SIX Research Centre, Brno University of Technology, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Department of Telecommunications and SIX Research Centre, Brno University of Technology, Brno, Czech Republic","institution_ids":["https://openalex.org/I60587646"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083013455","display_name":"Lubo\u0161 Brabenec","orcid":"https://orcid.org/0000-0002-8348-5757"},"institutions":[{"id":"https://openalex.org/I21449261","display_name":"Masaryk University","ror":"https://ror.org/02j46qs45","country_code":"CZ","type":"education","lineage":["https://openalex.org/I21449261"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Lubos Brabenec","raw_affiliation_strings":["Applied Neuroscience Research Group, Masaryk University, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"Applied Neuroscience Research Group, Masaryk University, Brno, Czech Republic","institution_ids":["https://openalex.org/I21449261"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010046435","display_name":"Irena Rektorov\u00e1","orcid":"https://orcid.org/0000-0002-5455-4573"},"institutions":[{"id":"https://openalex.org/I4210102302","display_name":"University Hospital Brno","ror":"https://ror.org/00qq1fp34","country_code":"CZ","type":"healthcare","lineage":["https://openalex.org/I4210102302"]},{"id":"https://openalex.org/I4210136987","display_name":"St. Anne's University Hospital Brno","ror":"https://ror.org/049bjee35","country_code":"CZ","type":"healthcare","lineage":["https://openalex.org/I4210136987"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Irena Rektorova","raw_affiliation_strings":["First Department of Neurology, St. Anne's University Hospital, Brno, Czech Republic"],"affiliations":[{"raw_affiliation_string":"First Department of Neurology, St. Anne's University Hospital, Brno, Czech Republic","institution_ids":["https://openalex.org/I4210136987","https://openalex.org/I4210102302"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054662528","display_name":"Karmele L\u00f3pez de Ipi\u00f1a","orcid":"https://orcid.org/0000-0002-2135-2393"},"institutions":[{"id":"https://openalex.org/I169108374","display_name":"University of the Basque Country","ror":"https://ror.org/000xsnr85","country_code":"ES","type":"education","lineage":["https://openalex.org/I169108374"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Karmele Lopez-de-Ipina","raw_affiliation_strings":["Department of Systems Engineering and Automation, University of the Basque Country UPV/EHU, Donostia, Spain"],"affiliations":[{"raw_affiliation_string":"Department of Systems Engineering and Automation, University of the Basque Country UPV/EHU, Donostia, Spain","institution_ids":["https://openalex.org/I169108374"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":10,"corresponding_author_ids":["https://openalex.org/A5019914308"],"corresponding_institution_ids":["https://openalex.org/I60587646"],"apc_list":null,"apc_paid":null,"fwci":2.7219,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":{"value":0.89838459,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10085","display_name":"Parkinson's Disease Mechanisms and Treatments","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10085","display_name":"Parkinson's Disease Mechanisms and Treatments","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10919","display_name":"Neurological disorders and treatments","score":0.9897000193595886,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10106","display_name":"Autism Spectrum Disorder Research","score":0.9861999750137329,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/dysgraphia","display_name":"Dysgraphia","score":0.9309654235839844},{"id":"https://openalex.org/keywords/handwriting","display_name":"Handwriting","score":0.8745467662811279},{"id":"https://openalex.org/keywords/jerk","display_name":"Jerk","score":0.7233983874320984},{"id":"https://openalex.org/keywords/support-vector-machine","display_name":"Support vector machine","score":0.6732680201530457},{"id":"https://openalex.org/keywords/univariate","display_name":"Univariate","score":0.6405847072601318},{"id":"https://openalex.org/keywords/random-forest","display_name":"Random forest","score":0.6074268817901611},{"id":"https://openalex.org/keywords/kinematics","display_name":"Kinematics","score":0.5517591238021851},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5337608456611633},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4952618181705475},{"id":"https://openalex.org/keywords/acceleration","display_name":"Acceleration","score":0.4430461525917053},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.40156611800193787},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.38626277446746826},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.32747024297714233},{"id":"https://openalex.org/keywords/multivariate-statistics","display_name":"Multivariate statistics","score":0.31608861684799194},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.2792885899543762}],"concepts":[{"id":"https://openalex.org/C2775946201","wikidata":"https://www.wikidata.org/wiki/Q584560","display_name":"Dysgraphia","level":4,"score":0.9309654235839844},{"id":"https://openalex.org/C2779386606","wikidata":"https://www.wikidata.org/wiki/Q2393642","display_name":"Handwriting","level":2,"score":0.8745467662811279},{"id":"https://openalex.org/C181605269","wikidata":"https://www.wikidata.org/wiki/Q497332","display_name":"Jerk","level":3,"score":0.7233983874320984},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.6732680201530457},{"id":"https://openalex.org/C199163554","wikidata":"https://www.wikidata.org/wiki/Q1681619","display_name":"Univariate","level":3,"score":0.6405847072601318},{"id":"https://openalex.org/C169258074","wikidata":"https://www.wikidata.org/wiki/Q245748","display_name":"Random forest","level":2,"score":0.6074268817901611},{"id":"https://openalex.org/C39920418","wikidata":"https://www.wikidata.org/wiki/Q11476","display_name":"Kinematics","level":2,"score":0.5517591238021851},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5337608456611633},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4952618181705475},{"id":"https://openalex.org/C117896860","wikidata":"https://www.wikidata.org/wiki/Q11376","display_name":"Acceleration","level":2,"score":0.4430461525917053},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.40156611800193787},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.38626277446746826},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.32747024297714233},{"id":"https://openalex.org/C161584116","wikidata":"https://www.wikidata.org/wiki/Q1952580","display_name":"Multivariate statistics","level":2,"score":0.31608861684799194},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.2792885899543762},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C506058694","wikidata":"https://www.wikidata.org/wiki/Q132971","display_name":"Dyslexia","level":3,"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/C554936623","wikidata":"https://www.wikidata.org/wiki/Q199657","display_name":"Reading (process)","level":2,"score":0.0},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tsp.2018.8441293","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2018.8441293","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 41st International Conference on Telecommunications and Signal Processing (TSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.5}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1206235977","https://openalex.org/W1534508355","https://openalex.org/W1850975044","https://openalex.org/W1975590567","https://openalex.org/W1983221878","https://openalex.org/W1993165460","https://openalex.org/W1996497954","https://openalex.org/W2047140957","https://openalex.org/W2068100950","https://openalex.org/W2080508823","https://openalex.org/W2083023219","https://openalex.org/W2109553965","https://openalex.org/W2112648950","https://openalex.org/W2156909104","https://openalex.org/W2157594323","https://openalex.org/W2159543062","https://openalex.org/W2180836370","https://openalex.org/W2183223758","https://openalex.org/W2259227674","https://openalex.org/W2265145536","https://openalex.org/W2341918961","https://openalex.org/W2573056035","https://openalex.org/W2739225137","https://openalex.org/W2766173963","https://openalex.org/W2777736689","https://openalex.org/W2911964244","https://openalex.org/W4247654853","https://openalex.org/W6683955356"],"related_works":["https://openalex.org/W2049013879","https://openalex.org/W96736117","https://openalex.org/W3085294374","https://openalex.org/W4320801473","https://openalex.org/W4317039755","https://openalex.org/W2559216876","https://openalex.org/W2889437371","https://openalex.org/W2760329053","https://openalex.org/W3112395621","https://openalex.org/W2972859123"],"abstract_inverted_index":{"Parkinson's":[0],"disease":[1],"(PD)":[2],"is":[3,15],"the":[4,84,107],"second":[5],"most":[6],"frequent":[7],"neurodegenerative":[8],"disorder.":[9],"One":[10],"typical":[11],"hallmark":[12],"of":[13,19,31,45,115,122],"PD":[14,41,68],"disruption":[16],"in":[17,81,98,120],"execution":[18],"practised":[20],"skills":[21],"such":[22],"as":[23],"handwriting.":[24,42],"This":[25,110],"paper":[26],"introduces":[27],"a":[28],"new":[29],"methodology":[30],"kinematic":[32,47],"features":[33,48,87,119],"calculation":[34],"based":[35,88,118],"on":[36,40,89],"fractional":[37,90,116],"derivatives":[38,91,117],"applied":[39],"Discrimination":[43],"power":[44],"basic":[46],"(velocity,":[49],"acceleration,":[50],"jerk)":[51],"was":[52],"evaluated":[53],"by":[54,95,102],"classification":[55,93],"analysis":[56,100,121],"(using":[57],"support":[58],"vector":[59],"machines":[60],"and":[61,70,101],"random":[62],"forests).":[63],"For":[64],"this":[65],"purpose,":[66],"30":[67],"patients":[69],"36":[71],"healthy":[72],"controls":[73],"were":[74],"enrolled.":[75],"In":[76],"comparison":[77],"with":[78],"results":[79],"reported":[80],"other":[82],"works,":[83],"newly":[85],"designed":[86],"increased":[92],"accuracy":[94],"8":[96],"%":[97,104],"univariate":[99],"10":[103],"when":[105],"employing":[106],"multivariate":[108],"one.":[109],"study":[111],"reveals":[112],"an":[113],"impact":[114],"Parkinsonic":[123],"dysgraphia.":[124]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":8},{"year":2018,"cited_by_count":2}],"updated_date":"2026-04-17T18:11:37.981687","created_date":"2025-10-10T00:00:00"}
