{"id":"https://openalex.org/W3173380495","doi":"https://doi.org/10.1137/20m1379113","title":"Variational Densification and Refinement of Registration Maps","display_name":"Variational Densification and Refinement of Registration Maps","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3173380495","doi":"https://doi.org/10.1137/20m1379113","mag":"3173380495"},"language":"en","primary_location":{"id":"doi:10.1137/20m1379113","is_oa":false,"landing_page_url":"https://doi.org/10.1137/20m1379113","pdf_url":null,"source":{"id":"https://openalex.org/S152600803","display_name":"SIAM Journal on Imaging Sciences","issn_l":"1936-4954","issn":["1936-4954"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320508","host_organization_name":"Society for Industrial and Applied Mathematics","host_organization_lineage":["https://openalex.org/P4310320508"],"host_organization_lineage_names":["Society for Industrial and Applied Mathematics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIAM Journal on Imaging Sciences","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/A5028696478","display_name":"Joan Duran","orcid":"https://orcid.org/0000-0003-0043-1663"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Joan Duran","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-0043-1663","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101770162","display_name":"Julia Navarro","orcid":"https://orcid.org/0000-0003-3667-7008"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Julia Navarro","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5010434823","display_name":"Antoni Buades","orcid":"https://orcid.org/0000-0001-9832-3358"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Antoni Buades","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.097,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.37726811,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"14","issue":"3","first_page":"879","last_page":"912"},"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":0.9991999864578247,"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/T13114","display_name":"Image Processing Techniques and Applications","score":0.9983000159263611,"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/upsampling","display_name":"Upsampling","score":0.7489756941795349},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6484537124633789},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6067267060279846},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5911747813224792},{"id":"https://openalex.org/keywords/discriminative-model","display_name":"Discriminative model","score":0.521243155002594},{"id":"https://openalex.org/keywords/image-registration","display_name":"Image registration","score":0.5165728330612183},{"id":"https://openalex.org/keywords/regularization","display_name":"Regularization (linguistics)","score":0.5078492760658264},{"id":"https://openalex.org/keywords/interpolation","display_name":"Interpolation (computer graphics)","score":0.5014431476593018},{"id":"https://openalex.org/keywords/discretization","display_name":"Discretization","score":0.4729452133178711},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.4404897093772888},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4389477074146271},{"id":"https://openalex.org/keywords/optical-flow","display_name":"Optical flow","score":0.41843441128730774},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.36480939388275146},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3131491541862488}],"concepts":[{"id":"https://openalex.org/C110384440","wikidata":"https://www.wikidata.org/wiki/Q1143270","display_name":"Upsampling","level":3,"score":0.7489756941795349},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6484537124633789},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6067267060279846},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5911747813224792},{"id":"https://openalex.org/C97931131","wikidata":"https://www.wikidata.org/wiki/Q5282087","display_name":"Discriminative model","level":2,"score":0.521243155002594},{"id":"https://openalex.org/C166704113","wikidata":"https://www.wikidata.org/wiki/Q861092","display_name":"Image registration","level":3,"score":0.5165728330612183},{"id":"https://openalex.org/C2776135515","wikidata":"https://www.wikidata.org/wiki/Q17143721","display_name":"Regularization (linguistics)","level":2,"score":0.5078492760658264},{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.5014431476593018},{"id":"https://openalex.org/C73000952","wikidata":"https://www.wikidata.org/wiki/Q17007827","display_name":"Discretization","level":2,"score":0.4729452133178711},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.4404897093772888},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4389477074146271},{"id":"https://openalex.org/C155542232","wikidata":"https://www.wikidata.org/wiki/Q736111","display_name":"Optical flow","level":3,"score":0.41843441128730774},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.36480939388275146},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3131491541862488},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1137/20m1379113","is_oa":false,"landing_page_url":"https://doi.org/10.1137/20m1379113","pdf_url":null,"source":{"id":"https://openalex.org/S152600803","display_name":"SIAM Journal on Imaging Sciences","issn_l":"1936-4954","issn":["1936-4954"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320508","host_organization_name":"Society for Industrial and Applied Mathematics","host_organization_lineage":["https://openalex.org/P4310320508"],"host_organization_lineage_names":["Society for Industrial and Applied Mathematics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIAM Journal on Imaging Sciences","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","score":0.75,"display_name":"Reduced inequalities"}],"awards":[{"id":"https://openalex.org/G1056537529","display_name":null,"funder_award_id":"TIN2017-85572-P","funder_id":"https://openalex.org/F4320321837","funder_display_name":"Ministerio de Econom\u00eda y Competitividad"}],"funders":[{"id":"https://openalex.org/F4320321837","display_name":"Ministerio de Econom\u00eda y Competitividad","ror":"https://ror.org/034900433"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W1578285471","https://openalex.org/W1960698473","https://openalex.org/W1979331265","https://openalex.org/W1993516682","https://openalex.org/W1994184495","https://openalex.org/W2014427104","https://openalex.org/W2019248995","https://openalex.org/W2020198739","https://openalex.org/W2033603511","https://openalex.org/W2038649727","https://openalex.org/W2039247168","https://openalex.org/W2051794382","https://openalex.org/W2054536235","https://openalex.org/W2060945009","https://openalex.org/W2090949637","https://openalex.org/W2091494211","https://openalex.org/W2092663520","https://openalex.org/W2100315781","https://openalex.org/W2103559027","https://openalex.org/W2104030095","https://openalex.org/W2120963736","https://openalex.org/W2123782500","https://openalex.org/W2125637308","https://openalex.org/W2131747574","https://openalex.org/W2136396015","https://openalex.org/W2141128914","https://openalex.org/W2144476963","https://openalex.org/W2147555557","https://openalex.org/W2151103935","https://openalex.org/W2156177012","https://openalex.org/W2168874984","https://openalex.org/W2326336313","https://openalex.org/W2405803404","https://openalex.org/W2529469682","https://openalex.org/W2623012778","https://openalex.org/W2777750897","https://openalex.org/W2921650294","https://openalex.org/W2965181109","https://openalex.org/W2965340459","https://openalex.org/W3037300403","https://openalex.org/W3103375600","https://openalex.org/W4236965008","https://openalex.org/W4301409532"],"related_works":["https://openalex.org/W2062399876","https://openalex.org/W2607795551","https://openalex.org/W3155117723","https://openalex.org/W1991429770","https://openalex.org/W1983892167","https://openalex.org/W2965546495","https://openalex.org/W2281134365","https://openalex.org/W4389116644","https://openalex.org/W4310746709","https://openalex.org/W2153315159"],"abstract_inverted_index":{"Local":[0],"patch-based":[1],"algorithms":[2],"for":[3,43],"image":[4,50,56,75],"registration":[5],"fail":[6],"to":[7,68,87],"accurately":[8],"match":[9],"points":[10],"in":[11],"areas":[12],"not":[13],"discriminative":[14],"enough,":[15],"mainly":[16],"textureless":[17],"regions.":[18],"These":[19],"methods":[20],"normally":[21],"involve":[22],"a":[23,28,37,60,65,70],"validation":[24],"process":[25],"and":[26,40,83,89,94,101,129,137],"provide":[27,69],"non-completely":[29],"dense":[30],"solution.":[31],"In":[32],"this":[33],"paper,":[34],"we":[35,116],"propose":[36],"novel":[38],"refinement":[39],"completion":[41],"approach":[42],"registration.":[44,57],"The":[45],"proposed":[46],"model":[47],"combines":[48],"single":[49],"nonlocal":[51,66],"densification":[52,105],"with":[53,64,123],"classical":[54],"variational":[55],"We":[58,77],"associate":[59],"total":[61],"variation":[62],"regularization":[63],"term":[67],"smooth":[71],"solution":[72],"leveraging":[73],"the":[74,108,112],"geometry.":[76],"show":[78],"experiments":[79],"on":[80],"public":[81],"stereo":[82],"optical":[84],"flow":[85],"datasets":[86],"filter":[88],"densify":[90],"incomplete":[91],"depth":[92,132,138],"maps":[93,133],"motion":[95],"fields.":[96],"Extensive":[97],"comparisons":[98],"against":[99],"existing":[100],"state-of-the-art":[102],"depth/motion":[103],"fields":[104],"approaches":[106],"demonstrate":[107],"competitive":[109],"performance":[110],"of":[111,131],"introduced":[113],"method.":[114],"Additionally,":[115],"illustrate":[117],"how":[118],"our":[119],"method":[120],"can":[121],"deal":[122],"other":[124],"tasks,":[125],"such":[126],"as":[127],"filtering":[128],"interpolation":[130],"from":[134],"RGBD":[135],"data":[136],"upsampling.":[139]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}