{"id":"https://openalex.org/W2032969600","doi":"https://doi.org/10.1002/ett.4460030611","title":"An Optical Flow Algorithm Preserving Motion Boundaries and its Parallel Implementation","display_name":"An Optical Flow Algorithm Preserving Motion Boundaries and its Parallel Implementation","publication_year":1992,"publication_date":"1992-11-01","ids":{"openalex":"https://openalex.org/W2032969600","doi":"https://doi.org/10.1002/ett.4460030611","mag":"2032969600"},"language":"en","primary_location":{"id":"doi:10.1002/ett.4460030611","is_oa":false,"landing_page_url":"https://doi.org/10.1002/ett.4460030611","pdf_url":null,"source":{"id":"https://openalex.org/S4393917101","display_name":"European Transactions on Telecommunications","issn_l":"1124-318X","issn":["1124-318X","1541-8251"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"European Transactions on Telecommunications","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/A5110014313","display_name":"F. Bartolini","orcid":null},"institutions":[{"id":"https://openalex.org/I45084792","display_name":"University of Florence","ror":"https://ror.org/04jr1s763","country_code":"IT","type":"education","lineage":["https://openalex.org/I45084792"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Franco Bartolini","raw_affiliation_strings":["Dipartimento di Ingegneria Elettronica Universita\u0301 di Firenze Via S. Marta 3, 50139 Firenze - Italy","Dipartimento di Ingegneria Elettronica, Universit\u00e0 di Firenze Via S. Marta 3, 50139 Firenze- Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Ingegneria Elettronica Universita\u0301 di Firenze Via S. Marta 3, 50139 Firenze - Italy","institution_ids":["https://openalex.org/I45084792"]},{"raw_affiliation_string":"Dipartimento di Ingegneria Elettronica, Universit\u00e0 di Firenze Via S. Marta 3, 50139 Firenze- Italy","institution_ids":["https://openalex.org/I45084792"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014857454","display_name":"V. Cappellini","orcid":null},"institutions":[{"id":"https://openalex.org/I45084792","display_name":"University of Florence","ror":"https://ror.org/04jr1s763","country_code":"IT","type":"education","lineage":["https://openalex.org/I45084792"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Vito Cappellini","raw_affiliation_strings":["Dipartimento di Ingegneria Elettronica Universita\u0301 di Firenze Via S. Marta 3, 50139 Firenze - Italy","Dipartimento di Ingegneria Elettronica, Universit\u00e0 di Firenze Via S. Marta 3, 50139 Firenze- Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Ingegneria Elettronica Universita\u0301 di Firenze Via S. Marta 3, 50139 Firenze - Italy","institution_ids":["https://openalex.org/I45084792"]},{"raw_affiliation_string":"Dipartimento di Ingegneria Elettronica, Universit\u00e0 di Firenze Via S. Marta 3, 50139 Firenze- Italy","institution_ids":["https://openalex.org/I45084792"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110300012","display_name":"A. Mecocci","orcid":null},"institutions":[{"id":"https://openalex.org/I25217355","display_name":"University of Pavia","ror":"https://ror.org/00s6t1f81","country_code":"IT","type":"education","lineage":["https://openalex.org/I25217355"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Alessandro Mecocci","raw_affiliation_strings":["Dipartimento di Elettronica Universita\u0301 di Pavia Via Abbiategrasso 209, 27100 Pavia - Italy","Dipartimento di Elettronica, Universit\u00e0 di Pavia, Via Abbiategrasso 209, 27100 Pavia - Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Elettronica Universita\u0301 di Pavia Via Abbiategrasso 209, 27100 Pavia - Italy","institution_ids":["https://openalex.org/I25217355"]},{"raw_affiliation_string":"Dipartimento di Elettronica, Universit\u00e0 di Pavia, Via Abbiategrasso 209, 27100 Pavia - Italy","institution_ids":["https://openalex.org/I25217355"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5110014313"],"corresponding_institution_ids":["https://openalex.org/I45084792"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.17206768,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"3","issue":"6","first_page":"583","last_page":"591"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":1.0,"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/T10531","display_name":"Advanced Vision and Imaging","score":1.0,"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/T11105","display_name":"Advanced Image Processing Techniques","score":0.9951000213623047,"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/T13579","display_name":"Image and Video Stabilization","score":0.9926000237464905,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/optical-flow","display_name":"Optical flow","score":0.8330919742584229},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6836742162704468},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6722071170806885},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.6130635142326355},{"id":"https://openalex.org/keywords/motion-field","display_name":"Motion field","score":0.5408904552459717},{"id":"https://openalex.org/keywords/vector-field","display_name":"Vector field","score":0.5267362594604492},{"id":"https://openalex.org/keywords/motion-vector","display_name":"Motion vector","score":0.525324821472168},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5174282193183899},{"id":"https://openalex.org/keywords/inter-frame","display_name":"Inter frame","score":0.49527063965797424},{"id":"https://openalex.org/keywords/flow","display_name":"Flow (mathematics)","score":0.49153122305870056},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.4908450245857239},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.47456032037734985},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4576299786567688},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.45727092027664185},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.4260023236274719},{"id":"https://openalex.org/keywords/parallel-algorithm","display_name":"Parallel algorithm","score":0.419432669878006},{"id":"https://openalex.org/keywords/motion-estimation","display_name":"Motion estimation","score":0.33150026202201843},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.32210561633110046},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.22355961799621582},{"id":"https://openalex.org/keywords/frame","display_name":"Frame (networking)","score":0.15803229808807373},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.12212184071540833},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10181009769439697},{"id":"https://openalex.org/keywords/reference-frame","display_name":"Reference frame","score":0.07913312315940857}],"concepts":[{"id":"https://openalex.org/C155542232","wikidata":"https://www.wikidata.org/wiki/Q736111","display_name":"Optical flow","level":3,"score":0.8330919742584229},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6836742162704468},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6722071170806885},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.6130635142326355},{"id":"https://openalex.org/C124774092","wikidata":"https://www.wikidata.org/wiki/Q6917782","display_name":"Motion field","level":3,"score":0.5408904552459717},{"id":"https://openalex.org/C91188154","wikidata":"https://www.wikidata.org/wiki/Q186247","display_name":"Vector field","level":2,"score":0.5267362594604492},{"id":"https://openalex.org/C2779020251","wikidata":"https://www.wikidata.org/wiki/Q3555171","display_name":"Motion vector","level":3,"score":0.525324821472168},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5174282193183899},{"id":"https://openalex.org/C39394851","wikidata":"https://www.wikidata.org/wiki/Q921594","display_name":"Inter frame","level":4,"score":0.49527063965797424},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.49153122305870056},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.4908450245857239},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.47456032037734985},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4576299786567688},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.45727092027664185},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.4260023236274719},{"id":"https://openalex.org/C120373497","wikidata":"https://www.wikidata.org/wiki/Q1087987","display_name":"Parallel algorithm","level":2,"score":0.419432669878006},{"id":"https://openalex.org/C10161872","wikidata":"https://www.wikidata.org/wiki/Q557891","display_name":"Motion estimation","level":2,"score":0.33150026202201843},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.32210561633110046},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22355961799621582},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.15803229808807373},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.12212184071540833},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10181009769439697},{"id":"https://openalex.org/C172849965","wikidata":"https://www.wikidata.org/wiki/Q3148875","display_name":"Reference frame","level":3,"score":0.07913312315940857},{"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/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/ett.4460030611","is_oa":false,"landing_page_url":"https://doi.org/10.1002/ett.4460030611","pdf_url":null,"source":{"id":"https://openalex.org/S4393917101","display_name":"European Transactions on Telecommunications","issn_l":"1124-318X","issn":["1124-318X","1541-8251"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"European Transactions on Telecommunications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W112287601","https://openalex.org/W1578285471","https://openalex.org/W1980225033","https://openalex.org/W2010942916","https://openalex.org/W2031879798","https://openalex.org/W2033104631","https://openalex.org/W2103504761","https://openalex.org/W2139828242","https://openalex.org/W2141228894","https://openalex.org/W2751023760","https://openalex.org/W6634713522","https://openalex.org/W6658111725"],"related_works":["https://openalex.org/W2354637046","https://openalex.org/W339348637","https://openalex.org/W4286646204","https://openalex.org/W2093488518","https://openalex.org/W2035871094","https://openalex.org/W2605450561","https://openalex.org/W2116975878","https://openalex.org/W1971668557","https://openalex.org/W2950315505","https://openalex.org/W2390401564"],"abstract_inverted_index":{"Abstract":[0],"One":[1],"of":[2,9,31,35,55,72,82,92,122,140,148,151],"the":[3,7,13,25,29,32,36,39,48,60,73,109,120,127,131,149,152,161],"main":[4,70],"techniques":[5],"for":[6],"analysis":[8,147],"image":[10],"sequences":[11],"is":[12,20,58,76,88,116,155,164],"optical":[14,18,49],"flow":[15,19],"computation.":[16],"The":[17,69],"a":[21,64,93,104,113,134,138,145],"vector":[22,110],"field":[23],"representing":[24],"apparent":[26],"motion,":[27],"on":[28,137],"image,":[30],"projected":[33],"points":[34],"objects":[37],"in":[38,80],"scene.":[40],"Many":[41],"algorithms":[42,57],"have":[43],"been":[44,143],"developed":[45],"to":[46,107,118],"compute":[47],"flow.":[50],"In":[51],"this":[52,87],"paper":[53],"one":[54],"these":[56],"reviewed,":[59],"performance":[61,133],"enhanced":[62],"and":[63,101,157],"possible":[65],"parallel":[66,135],"implementation":[67,136],"presented.":[68],"advantage":[71],"resulting":[74],"algorithm":[75],"its":[77,158],"good":[78],"behavior":[79],"presence":[81],"noise":[83],"or":[84],"motion":[85],"boundaries;":[86],"obtained":[89],"by":[90,102,126],"means":[91],"local":[94],"technique":[95],"which":[96],"doesn't":[97],"require":[98],"global":[99],"optimization":[100],"applying":[103],"median":[105],"filter":[106],"restore":[108],"field.":[111],"Furthermore":[112],"pyramidal":[114],"approach":[115],"used":[117],"increase":[119],"range":[121],"interframe":[123],"displacements":[124],"computable":[125],"algorithm.":[128],"To":[129],"enhance":[130],"time":[132],"network":[139],"transputers":[141],"has":[142],"studied;":[144],"theoretical":[146],"efficiency":[150],"implemented":[153],"architecture":[154],"discussed":[156],"agreement":[159],"with":[160],"experimental":[162],"results":[163],"reported.":[165]},"counts_by_year":[],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}
