{"id":"https://openalex.org/W2037385361","doi":"https://doi.org/10.1109/mwscas.2012.6292190","title":"Improved optical flow estimation methods using Atomic Functions","display_name":"Improved optical flow estimation methods using Atomic Functions","publication_year":2012,"publication_date":"2012-08-01","ids":{"openalex":"https://openalex.org/W2037385361","doi":"https://doi.org/10.1109/mwscas.2012.6292190","mag":"2037385361"},"language":"en","primary_location":{"id":"doi:10.1109/mwscas.2012.6292190","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mwscas.2012.6292190","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE 55th International Midwest Symposium on Circuits and Systems (MWSCAS)","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/A5060698397","display_name":"Martha Cejudo-Torres","orcid":null},"institutions":[{"id":"https://openalex.org/I4210090124","display_name":"Tecnol\u00f3gico Nacional de M\u00e9xico","ror":"https://ror.org/00davry38","country_code":"MX","type":"government","lineage":["https://openalex.org/I1302736544","https://openalex.org/I4210090124","https://openalex.org/I4405258672"]},{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Martha Cejudo-Torres","raw_affiliation_strings":["Mechanical and Electrical Engineering School, National Polytechnic Institute, Mexicali, Mexico","Mechanical and Electrical Engineering School, National Polytechnic Institute of Mexico, Mexico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Mechanical and Electrical Engineering School, National Polytechnic Institute, Mexicali, Mexico","institution_ids":["https://openalex.org/I4210090124","https://openalex.org/I59361560"]},{"raw_affiliation_string":"Mechanical and Electrical Engineering School, National Polytechnic Institute of Mexico, Mexico","institution_ids":["https://openalex.org/I4210090124","https://openalex.org/I59361560"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009941035","display_name":"Enrique Escamilla-Hern\u00e1ndez","orcid":"https://orcid.org/0000-0002-4832-8270"},"institutions":[{"id":"https://openalex.org/I4210090124","display_name":"Tecnol\u00f3gico Nacional de M\u00e9xico","ror":"https://ror.org/00davry38","country_code":"MX","type":"government","lineage":["https://openalex.org/I1302736544","https://openalex.org/I4210090124","https://openalex.org/I4405258672"]},{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Enrique Escamilla-Hernandez","raw_affiliation_strings":["Mechanical and Electrical Engineering School, National Polytechnic Institute, Mexicali, Mexico","Mechanical and Electrical Engineering School, National Polytechnic Institute of Mexico, Mexico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Mechanical and Electrical Engineering School, National Polytechnic Institute, Mexicali, Mexico","institution_ids":["https://openalex.org/I4210090124","https://openalex.org/I59361560"]},{"raw_affiliation_string":"Mechanical and Electrical Engineering School, National Polytechnic Institute of Mexico, Mexico","institution_ids":["https://openalex.org/I4210090124","https://openalex.org/I59361560"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077444714","display_name":"Mariko Nakano-Miyatake","orcid":"https://orcid.org/0000-0003-1346-7825"},"institutions":[{"id":"https://openalex.org/I4210090124","display_name":"Tecnol\u00f3gico Nacional de M\u00e9xico","ror":"https://ror.org/00davry38","country_code":"MX","type":"government","lineage":["https://openalex.org/I1302736544","https://openalex.org/I4210090124","https://openalex.org/I4405258672"]},{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Mariko Nakano-Miyatake","raw_affiliation_strings":["Mechanical and Electrical Engineering School, National Polytechnic Institute, Mexicali, Mexico","Mechanical and Electrical Engineering School, National Polytechnic Institute of Mexico, Mexico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Mechanical and Electrical Engineering School, National Polytechnic Institute, Mexicali, Mexico","institution_ids":["https://openalex.org/I4210090124","https://openalex.org/I59361560"]},{"raw_affiliation_string":"Mechanical and Electrical Engineering School, National Polytechnic Institute of Mexico, Mexico","institution_ids":["https://openalex.org/I4210090124","https://openalex.org/I59361560"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090699326","display_name":"H\u00e9ctor P\u00e9rez Meana","orcid":null},"institutions":[{"id":"https://openalex.org/I4210090124","display_name":"Tecnol\u00f3gico Nacional de M\u00e9xico","ror":"https://ror.org/00davry38","country_code":"MX","type":"government","lineage":["https://openalex.org/I1302736544","https://openalex.org/I4210090124","https://openalex.org/I4405258672"]},{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Hector Perez Meana","raw_affiliation_strings":["Mechanical and Electrical Engineering School, National Polytechnic Institute, Mexicali, Mexico","Mechanical and Electrical Engineering School, National Polytechnic Institute of Mexico, Mexico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Mechanical and Electrical Engineering School, National Polytechnic Institute, Mexicali, Mexico","institution_ids":["https://openalex.org/I4210090124","https://openalex.org/I59361560"]},{"raw_affiliation_string":"Mechanical and Electrical Engineering School, National Polytechnic Institute of Mexico, Mexico","institution_ids":["https://openalex.org/I4210090124","https://openalex.org/I59361560"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.13950729,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"55","issue":null,"first_page":"996","last_page":"999"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9998999834060669,"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":0.9998999834060669,"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/T11992","display_name":"CCD and CMOS Imaging Sensors","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13114","display_name":"Image Processing Techniques and Applications","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/optical-flow","display_name":"Optical flow","score":0.7672710418701172},{"id":"https://openalex.org/keywords/smoothing","display_name":"Smoothing","score":0.6224207878112793},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6102533936500549},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.5724371075630188},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.5512356758117676},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5357382297515869},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.49487870931625366},{"id":"https://openalex.org/keywords/attenuation","display_name":"Attenuation","score":0.4840475916862488},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.471975177526474},{"id":"https://openalex.org/keywords/image-plane","display_name":"Image plane","score":0.4669080376625061},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4495585262775421},{"id":"https://openalex.org/keywords/plane","display_name":"Plane (geometry)","score":0.43549519777297974},{"id":"https://openalex.org/keywords/flow","display_name":"Flow (mathematics)","score":0.4343300759792328},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.43019598722457886},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.4289349913597107},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.3565153479576111},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2747703790664673},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.22602465748786926},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.12305226922035217},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.10889625549316406}],"concepts":[{"id":"https://openalex.org/C155542232","wikidata":"https://www.wikidata.org/wiki/Q736111","display_name":"Optical flow","level":3,"score":0.7672710418701172},{"id":"https://openalex.org/C3770464","wikidata":"https://www.wikidata.org/wiki/Q775963","display_name":"Smoothing","level":2,"score":0.6224207878112793},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6102533936500549},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.5724371075630188},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.5512356758117676},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5357382297515869},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.49487870931625366},{"id":"https://openalex.org/C184652730","wikidata":"https://www.wikidata.org/wiki/Q2357982","display_name":"Attenuation","level":2,"score":0.4840475916862488},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.471975177526474},{"id":"https://openalex.org/C120515352","wikidata":"https://www.wikidata.org/wiki/Q2564580","display_name":"Image plane","level":3,"score":0.4669080376625061},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4495585262775421},{"id":"https://openalex.org/C17825722","wikidata":"https://www.wikidata.org/wiki/Q17285","display_name":"Plane (geometry)","level":2,"score":0.43549519777297974},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.4343300759792328},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.43019598722457886},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.4289349913597107},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.3565153479576111},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2747703790664673},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.22602465748786926},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12305226922035217},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.10889625549316406},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/mwscas.2012.6292190","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mwscas.2012.6292190","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE 55th International Midwest Symposium on Circuits and Systems (MWSCAS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321040","display_name":"National Science Council","ror":"https://ror.org/02kv4zf79"},{"id":"https://openalex.org/F4320331164","display_name":"National Science and Technology Council","ror":"https://ror.org/00wnb9798"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1578285471","https://openalex.org/W1579839914","https://openalex.org/W1693160501","https://openalex.org/W2031694262","https://openalex.org/W2084891210","https://openalex.org/W2118877769","https://openalex.org/W2751023760","https://openalex.org/W3003662786","https://openalex.org/W6677548441"],"related_works":["https://openalex.org/W2062605435","https://openalex.org/W1978572805","https://openalex.org/W2383807498","https://openalex.org/W1997992934","https://openalex.org/W1987225439","https://openalex.org/W4238188170","https://openalex.org/W2273182195","https://openalex.org/W2129639887","https://openalex.org/W2555479170","https://openalex.org/W1580766852"],"abstract_inverted_index":{"The":[0,131],"problem":[1],"of":[2,10,27,41,48,56,83,95,105,115,127,133,144],"recognizing":[3],"the":[4,24,36,42,46,49,54,72,84,93,103,109,141,145,151],"objects":[5],"movement":[6,51],"in":[7],"a":[8,62,96,113],"sequence":[9],"video":[11],"images":[12,148],"has":[13],"been":[14],"addressed":[15],"using":[16,150],"different":[17],"models.":[18],"Such":[19],"models":[20],"attempt":[21],"to":[22,69],"describe":[23],"general":[25],"characteristics":[26],"such":[28],"movements,":[29],"which":[30],"require":[31],"an":[32],"accurate":[33],"estimation":[34,75],"or":[35,39],"optical":[37,73,146],"flow":[38,74,147],"velocity":[40],"images.":[43],"That":[44],"is":[45,138],"approach":[47],"object":[50],"defined":[52],"as":[53],"projection":[55],"3D":[57],"surfaces":[58],"point":[59],"speeds":[60],"on":[61,92],"2D":[63],"plane.":[64],"Among":[65],"several":[66],"approaches":[67],"proposed":[68,136],"this":[70],"end,":[71],"methods":[76,89,107],"from":[77],"Horn-Schunck":[78],"and":[79,135],"Lucas-Kanade":[80],"are":[81],"some":[82],"most":[85],"widely":[86],"used.":[87],"These":[88],"strongly":[90],"depend":[91],"use":[94],"smoothing":[97],"Gaussian":[98,110],"function.":[99],"This":[100],"paper":[101],"improves":[102],"performance":[104,132],"both":[106],"replacing":[108],"function":[111],"by":[112],"set":[114],"functions":[116],"called":[117],"Atomic":[118],"Functions,":[119],"that":[120],"present":[121],"frequency":[122],"responses":[123],"with":[124],"higher":[125],"attenuation":[126],"its":[128],"side":[129],"lobes.":[130],"conventional":[134],"modifications":[137],"evaluated":[139],"comparing":[140],"disparity":[142],"map":[143],"obtained,":[149],"Structural":[152],"Similarity":[153],"method.":[154]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
