{"id":"https://openalex.org/W2793467789","doi":"https://doi.org/10.1109/camsap.2017.8313079","title":"Optical flow estimation in ultrasound images using a sparse representation","display_name":"Optical flow estimation in ultrasound images using a sparse representation","publication_year":2017,"publication_date":"2017-12-01","ids":{"openalex":"https://openalex.org/W2793467789","doi":"https://doi.org/10.1109/camsap.2017.8313079","mag":"2793467789"},"language":"en","primary_location":{"id":"doi:10.1109/camsap.2017.8313079","is_oa":false,"landing_page_url":"https://doi.org/10.1109/camsap.2017.8313079","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE 7th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)","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/A5015653572","display_name":"Nora Ouzir","orcid":"https://orcid.org/0000-0003-2282-3422"},"institutions":[{"id":"https://openalex.org/I134560555","display_name":"Universit\u00e9 Toulouse III - Paul Sabatier","ror":"https://ror.org/02v6kpv12","country_code":"FR","type":"education","lineage":["https://openalex.org/I134560555"]},{"id":"https://openalex.org/I205747304","display_name":"Institut National Polytechnique de Toulouse","ror":"https://ror.org/033p9g875","country_code":"FR","type":"education","lineage":["https://openalex.org/I205747304"]},{"id":"https://openalex.org/I280199911","display_name":"Bouygues (France)","ror":"https://ror.org/056185y51","country_code":"FR","type":"company","lineage":["https://openalex.org/I280199911"]},{"id":"https://openalex.org/I3131550300","display_name":"Universit\u00e9 Toulouse-I-Capitole","ror":"https://ror.org/0443n9e75","country_code":"FR","type":"education","lineage":["https://openalex.org/I3131550300"]},{"id":"https://openalex.org/I4210107720","display_name":"CentraleSup\u00e9lec","ror":"https://ror.org/019tcpt25","country_code":"FR","type":"facility","lineage":["https://openalex.org/I277688954","https://openalex.org/I4210107720"]},{"id":"https://openalex.org/I4210119061","display_name":"Institut de Recherche en Informatique de Toulouse","ror":"https://ror.org/01rx4qw44","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I205747304","https://openalex.org/I4210119061","https://openalex.org/I4210152422","https://openalex.org/I4405258862","https://openalex.org/I4405259414"]},{"id":"https://openalex.org/I4210152422","display_name":"Universit\u00e9 Toulouse - Jean Jaur\u00e8s","ror":"https://ror.org/04ezk3x31","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210152422"]},{"id":"https://openalex.org/I4210160189","display_name":"Institut Polytechnique de Bordeaux","ror":"https://ror.org/054qv7y42","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210160189"]},{"id":"https://openalex.org/I4387153255","display_name":"\u00c9cole Nationale Sup\u00e9rieure d'\u00c9lectrotechnique, d'\u00c9lectronique, d'Informatique, d'Hydraulique et des T\u00e9l\u00e9communications","ror":"https://ror.org/05wfw4946","country_code":"FR","type":"education","lineage":["https://openalex.org/I205747304","https://openalex.org/I4387153255"]},{"id":"https://openalex.org/I4396570610","display_name":"T\u00e9SA","ror":"https://ror.org/01zgcd031","country_code":"FR","type":"nonprofit","lineage":["https://openalex.org/I4396570610"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"N. Ouzir","raw_affiliation_strings":["University of Toulouse, INP-ENSEEIHT/IRIT/TeSA, 2 rue Camichel, 31071 Toulouse Cedex 7, France","CVN - Centre de vision num\u00e9rique (CentraleSup\u00e9lec - B\u00e2timent Bouygues - 3 rue Joliot Curie - 91190 GIF-SUR-YVETTE - France)","IRIT - Institut de recherche en informatique de Toulouse (118 Route de Narbonne, F-31062 Toulouse Cedex 9 - France)","OPIS - OPtimisation Imagerie et Sant\u00e9 (France)","T\u00e9SA - T\u00e9l\u00e9communications Spatiales et A\u00e9ronautiques - Telecommunications for Space ant Aeronautics (14-16, Port Saint-Etienne 31000 Toulouse - France)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Toulouse, INP-ENSEEIHT/IRIT/TeSA, 2 rue Camichel, 31071 Toulouse Cedex 7, France","institution_ids":["https://openalex.org/I134560555","https://openalex.org/I205747304","https://openalex.org/I3131550300","https://openalex.org/I4210119061","https://openalex.org/I4210152422","https://openalex.org/I4210160189","https://openalex.org/I4387153255"]},{"raw_affiliation_string":"CVN - Centre de vision num\u00e9rique (CentraleSup\u00e9lec - B\u00e2timent Bouygues - 3 rue Joliot Curie - 91190 GIF-SUR-YVETTE - France)","institution_ids":["https://openalex.org/I280199911","https://openalex.org/I4210107720"]},{"raw_affiliation_string":"IRIT - Institut de recherche en informatique de Toulouse (118 Route de Narbonne, F-31062 Toulouse Cedex 9 - France)","institution_ids":["https://openalex.org/I134560555","https://openalex.org/I3131550300","https://openalex.org/I4210119061","https://openalex.org/I4210152422","https://openalex.org/I4210160189"]},{"raw_affiliation_string":"OPIS - OPtimisation Imagerie et Sant\u00e9 (France)","institution_ids":[]},{"raw_affiliation_string":"T\u00e9SA - T\u00e9l\u00e9communications Spatiales et A\u00e9ronautiques - Telecommunications for Space ant Aeronautics (14-16, Port Saint-Etienne 31000 Toulouse - France)","institution_ids":["https://openalex.org/I4396570610"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018816346","display_name":"Jean\u2010Yves Tourneret","orcid":"https://orcid.org/0000-0001-5219-3455"},"institutions":[{"id":"https://openalex.org/I134560555","display_name":"Universit\u00e9 Toulouse III - Paul Sabatier","ror":"https://ror.org/02v6kpv12","country_code":"FR","type":"education","lineage":["https://openalex.org/I134560555"]},{"id":"https://openalex.org/I205747304","display_name":"Institut National Polytechnique de Toulouse","ror":"https://ror.org/033p9g875","country_code":"FR","type":"education","lineage":["https://openalex.org/I205747304"]},{"id":"https://openalex.org/I3131550300","display_name":"Universit\u00e9 Toulouse-I-Capitole","ror":"https://ror.org/0443n9e75","country_code":"FR","type":"education","lineage":["https://openalex.org/I3131550300"]},{"id":"https://openalex.org/I4210119061","display_name":"Institut de Recherche en Informatique de Toulouse","ror":"https://ror.org/01rx4qw44","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I205747304","https://openalex.org/I4210119061","https://openalex.org/I4210152422","https://openalex.org/I4405258862","https://openalex.org/I4405259414"]},{"id":"https://openalex.org/I4210152422","display_name":"Universit\u00e9 Toulouse - Jean Jaur\u00e8s","ror":"https://ror.org/04ezk3x31","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210152422"]},{"id":"https://openalex.org/I4210160189","display_name":"Institut Polytechnique de Bordeaux","ror":"https://ror.org/054qv7y42","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210160189"]},{"id":"https://openalex.org/I4387153255","display_name":"\u00c9cole Nationale Sup\u00e9rieure d'\u00c9lectrotechnique, d'\u00c9lectronique, d'Informatique, d'Hydraulique et des T\u00e9l\u00e9communications","ror":"https://ror.org/05wfw4946","country_code":"FR","type":"education","lineage":["https://openalex.org/I205747304","https://openalex.org/I4387153255"]},{"id":"https://openalex.org/I4396570610","display_name":"T\u00e9SA","ror":"https://ror.org/01zgcd031","country_code":"FR","type":"nonprofit","lineage":["https://openalex.org/I4396570610"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"J.-Y. Tourneret","raw_affiliation_strings":["University of Toulouse, INP-ENSEEIHT/IRIT/TeSA, 2 rue Camichel, 31071 Toulouse Cedex 7, France","IRIT - Institut de recherche en informatique de Toulouse (118 Route de Narbonne, F-31062 Toulouse Cedex 9 - France)","IRIT-MINDS - CoMputational imagINg anD viSion (IRIT\r\n118 Route de Narbonne\r\n31062 Toulouse Cedex 9 - France)","Toulouse INP - Institut National Polytechnique (Toulouse) (France)","T\u00e9SA - T\u00e9l\u00e9communications Spatiales et A\u00e9ronautiques - Telecommunications for Space ant Aeronautics (14-16, Port Saint-Etienne 31000 Toulouse - France)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Toulouse, INP-ENSEEIHT/IRIT/TeSA, 2 rue Camichel, 31071 Toulouse Cedex 7, France","institution_ids":["https://openalex.org/I134560555","https://openalex.org/I205747304","https://openalex.org/I3131550300","https://openalex.org/I4210119061","https://openalex.org/I4210152422","https://openalex.org/I4210160189","https://openalex.org/I4387153255"]},{"raw_affiliation_string":"IRIT - Institut de recherche en informatique de Toulouse (118 Route de Narbonne, F-31062 Toulouse Cedex 9 - France)","institution_ids":["https://openalex.org/I134560555","https://openalex.org/I3131550300","https://openalex.org/I4210119061","https://openalex.org/I4210152422","https://openalex.org/I4210160189"]},{"raw_affiliation_string":"IRIT-MINDS - CoMputational imagINg anD viSion (IRIT\r\n118 Route de Narbonne\r\n31062 Toulouse Cedex 9 - France)","institution_ids":["https://openalex.org/I134560555","https://openalex.org/I3131550300","https://openalex.org/I4210119061","https://openalex.org/I4210152422","https://openalex.org/I4210160189"]},{"raw_affiliation_string":"Toulouse INP - Institut National Polytechnique (Toulouse) (France)","institution_ids":["https://openalex.org/I205747304"]},{"raw_affiliation_string":"T\u00e9SA - T\u00e9l\u00e9communications Spatiales et A\u00e9ronautiques - Telecommunications for Space ant Aeronautics (14-16, Port Saint-Etienne 31000 Toulouse - France)","institution_ids":["https://openalex.org/I4396570610"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039493086","display_name":"Adrian Basarab","orcid":"https://orcid.org/0000-0002-5642-7244"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I134560555","display_name":"Universit\u00e9 Toulouse III - Paul Sabatier","ror":"https://ror.org/02v6kpv12","country_code":"FR","type":"education","lineage":["https://openalex.org/I134560555"]},{"id":"https://openalex.org/I17866349","display_name":"Universit\u00e9 F\u00e9d\u00e9rale de Toulouse Midi-Pyr\u00e9n\u00e9es","ror":"https://ror.org/004raaa70","country_code":"FR","type":"education","lineage":["https://openalex.org/I17866349"]},{"id":"https://openalex.org/I3131550300","display_name":"Universit\u00e9 Toulouse-I-Capitole","ror":"https://ror.org/0443n9e75","country_code":"FR","type":"education","lineage":["https://openalex.org/I3131550300"]},{"id":"https://openalex.org/I4210119061","display_name":"Institut de Recherche en Informatique de Toulouse","ror":"https://ror.org/01rx4qw44","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I205747304","https://openalex.org/I4210119061","https://openalex.org/I4210152422","https://openalex.org/I4405258862","https://openalex.org/I4405259414"]},{"id":"https://openalex.org/I4210152422","display_name":"Universit\u00e9 Toulouse - Jean Jaur\u00e8s","ror":"https://ror.org/04ezk3x31","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210152422"]},{"id":"https://openalex.org/I4210160189","display_name":"Institut Polytechnique de Bordeaux","ror":"https://ror.org/054qv7y42","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210160189"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"A. Basarab","raw_affiliation_strings":["University of Toulouse, IRIT, CNRS UMR 5505, 118 Route de Narbonne, 31062 Toulouse Cedex 9, France","IRIT - Institut de recherche en informatique de Toulouse (118 Route de Narbonne, F-31062 Toulouse Cedex 9 - France)","IRIT-MINDS - CoMputational imagINg anD viSion (IRIT\r\n118 Route de Narbonne\r\n31062 Toulouse Cedex 9 - France)","Imagerie Ultrasonore (France)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Toulouse, IRIT, CNRS UMR 5505, 118 Route de Narbonne, 31062 Toulouse Cedex 9, France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I134560555","https://openalex.org/I17866349","https://openalex.org/I3131550300","https://openalex.org/I4210119061","https://openalex.org/I4210152422","https://openalex.org/I4210160189"]},{"raw_affiliation_string":"IRIT - Institut de recherche en informatique de Toulouse (118 Route de Narbonne, F-31062 Toulouse Cedex 9 - France)","institution_ids":["https://openalex.org/I134560555","https://openalex.org/I3131550300","https://openalex.org/I4210119061","https://openalex.org/I4210152422","https://openalex.org/I4210160189"]},{"raw_affiliation_string":"IRIT-MINDS - CoMputational imagINg anD viSion (IRIT\r\n118 Route de Narbonne\r\n31062 Toulouse Cedex 9 - France)","institution_ids":["https://openalex.org/I134560555","https://openalex.org/I3131550300","https://openalex.org/I4210119061","https://openalex.org/I4210152422","https://openalex.org/I4210160189"]},{"raw_affiliation_string":"Imagerie Ultrasonore (France)","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":12,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.5047,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.6631102,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"2","issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12015","display_name":"Photoacoustic and Ultrasonic Imaging","score":0.9976000189781189,"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"}},"topics":[{"id":"https://openalex.org/T12015","display_name":"Photoacoustic and Ultrasonic Imaging","score":0.9976000189781189,"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"}},{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9972000122070312,"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":0.9957000017166138,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/optical-flow","display_name":"Optical flow","score":0.8426783084869385},{"id":"https://openalex.org/keywords/sparse-approximation","display_name":"Sparse approximation","score":0.7781134843826294},{"id":"https://openalex.org/keywords/regularization","display_name":"Regularization (linguistics)","score":0.7371195554733276},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6438589096069336},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.5692858695983887},{"id":"https://openalex.org/keywords/smoothness","display_name":"Smoothness","score":0.554976224899292},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.508272111415863},{"id":"https://openalex.org/keywords/flow","display_name":"Flow (mathematics)","score":0.48055246472358704},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.426778107881546},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.41176050901412964},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3626559376716614},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.32568496465682983},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.27951282262802124}],"concepts":[{"id":"https://openalex.org/C155542232","wikidata":"https://www.wikidata.org/wiki/Q736111","display_name":"Optical flow","level":3,"score":0.8426783084869385},{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.7781134843826294},{"id":"https://openalex.org/C2776135515","wikidata":"https://www.wikidata.org/wiki/Q17143721","display_name":"Regularization (linguistics)","level":2,"score":0.7371195554733276},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6438589096069336},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5692858695983887},{"id":"https://openalex.org/C102634674","wikidata":"https://www.wikidata.org/wiki/Q868473","display_name":"Smoothness","level":2,"score":0.554976224899292},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.508272111415863},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.48055246472358704},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.426778107881546},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.41176050901412964},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3626559376716614},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.32568496465682983},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.27951282262802124},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"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/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/camsap.2017.8313079","is_oa":false,"landing_page_url":"https://doi.org/10.1109/camsap.2017.8313079","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE 7th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)","raw_type":"proceedings-article"},{"id":"pmh:oai:HAL:hal-03656602v1","is_oa":false,"landing_page_url":"https://hal.science/hal-03656602","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"https://ieeexplore.ieee.org/abstract/document/8313079","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W103765976","https://openalex.org/W155485488","https://openalex.org/W167933998","https://openalex.org/W1484388325","https://openalex.org/W1578285471","https://openalex.org/W1867429401","https://openalex.org/W1970296336","https://openalex.org/W2005876975","https://openalex.org/W2033959528","https://openalex.org/W2041772080","https://openalex.org/W2100467058","https://openalex.org/W2103751473","https://openalex.org/W2104121925","https://openalex.org/W2114122776","https://openalex.org/W2119248338","https://openalex.org/W2128659236","https://openalex.org/W2145708361","https://openalex.org/W2147253850","https://openalex.org/W2153663612","https://openalex.org/W2160547390","https://openalex.org/W2172275395","https://openalex.org/W2296106907","https://openalex.org/W2751023760","https://openalex.org/W2754372145","https://openalex.org/W2790228886","https://openalex.org/W6606383491","https://openalex.org/W6743559237"],"related_works":["https://openalex.org/W2393022482","https://openalex.org/W2377346130","https://openalex.org/W2361092061","https://openalex.org/W2319775965","https://openalex.org/W2357314690","https://openalex.org/W2191886813","https://openalex.org/W2163394011","https://openalex.org/W2795976185","https://openalex.org/W2353606679","https://openalex.org/W2793467789"],"abstract_inverted_index":{"This":[0],"paper":[1],"introduces":[2],"a":[3,15,25,32,38],"2D":[4],"optical":[5,19,59],"flow":[6,20,41,60],"estimation":[7,61,81],"method":[8,77],"for":[9,78],"cardiac":[10,40,79],"ultrasound":[11,83],"imaging":[12],"based":[13],"on":[14,48,57],"sparse":[16,55],"representation.":[17],"The":[18],"problem":[21],"is":[22,46],"regularized":[23],"using":[24,68],"classical":[26],"gradient-based":[27],"smoothness":[28],"term":[29],"combined":[30],"with":[31,65],"sparsity":[33],"inducing":[34],"regularization":[35],"that":[36],"uses":[37],"learned":[39],"dictionary.":[42],"A":[43,63],"particular":[44],"emphasis":[45],"put":[47],"the":[49,52,58,72,75],"influence":[50],"of":[51,74],"spatial":[53],"and":[54],"regularizations":[56],"problem.":[62],"comparison":[64],"state-of-the-art":[66],"methods":[67],"realistic":[69],"simulations":[70],"shows":[71],"competitiveness":[73],"proposed":[76],"motion":[80],"in":[82],"images.":[84]},"counts_by_year":[{"year":2024,"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"}
