{"id":"https://openalex.org/W2046813104","doi":"https://doi.org/10.1109/clei.2014.6965101","title":"Mutual information extremal optimization for multimodal medical image registration","display_name":"Mutual information extremal optimization for multimodal medical image registration","publication_year":2014,"publication_date":"2014-09-01","ids":{"openalex":"https://openalex.org/W2046813104","doi":"https://doi.org/10.1109/clei.2014.6965101","mag":"2046813104"},"language":"en","primary_location":{"id":"doi:10.1109/clei.2014.6965101","is_oa":false,"landing_page_url":"https://doi.org/10.1109/clei.2014.6965101","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 XL Latin American Computing Conference (CLEI)","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/A5062890162","display_name":"Pedro Pablo Cespedes Sanchez","orcid":"https://orcid.org/0000-0002-7381-7148"},"institutions":[{"id":"https://openalex.org/I8379220","display_name":"Universidad Nacional de Asunci\u00f3n","ror":"https://ror.org/03f27y887","country_code":"PY","type":"education","lineage":["https://openalex.org/I8379220"]}],"countries":["PY"],"is_corresponding":false,"raw_author_name":"Pedro Pablo Cespedes Sanchez","raw_affiliation_strings":["Polytechnic School - National University of Asuncion, University Campus, San Lorenzo, Paraguay. P.O. Box: 2111 SL"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Polytechnic School - National University of Asuncion, University Campus, San Lorenzo, Paraguay. P.O. Box: 2111 SL","institution_ids":["https://openalex.org/I8379220"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001157444","display_name":"Horacio Legal-Ayala","orcid":"https://orcid.org/0000-0002-1790-2559"},"institutions":[{"id":"https://openalex.org/I8379220","display_name":"Universidad Nacional de Asunci\u00f3n","ror":"https://ror.org/03f27y887","country_code":"PY","type":"education","lineage":["https://openalex.org/I8379220"]}],"countries":["PY"],"is_corresponding":false,"raw_author_name":"Horacio Legal Ayala","raw_affiliation_strings":["Polytechnic School-National University of Asuncion University Campus, San Lorenzo, Paraguay"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Polytechnic School-National University of Asuncion University Campus, San Lorenzo, Paraguay","institution_ids":["https://openalex.org/I8379220"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5043172751","display_name":"Christian E. Schaerer","orcid":"https://orcid.org/0000-0002-0587-7704"},"institutions":[{"id":"https://openalex.org/I8379220","display_name":"Universidad Nacional de Asunci\u00f3n","ror":"https://ror.org/03f27y887","country_code":"PY","type":"education","lineage":["https://openalex.org/I8379220"]}],"countries":["PY"],"is_corresponding":false,"raw_author_name":"Christian E. Schaerer","raw_affiliation_strings":["Polytechnic School-National University of Asuncion University Campus, San Lorenzo, Paraguay"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Polytechnic School-National University of Asuncion University Campus, San Lorenzo, Paraguay","institution_ids":["https://openalex.org/I8379220"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I8379220"],"apc_list":null,"apc_paid":null,"fwci":0.2472,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.59445416,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"35","issue":null,"first_page":"1","last_page":"12"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10052","display_name":"Medical Image Segmentation Techniques","score":0.9995999932289124,"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/T10052","display_name":"Medical Image Segmentation Techniques","score":0.9995999932289124,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9970999956130981,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.9966999888420105,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/mutual-information","display_name":"Mutual information","score":0.701850175857544},{"id":"https://openalex.org/keywords/metric","display_name":"Metric (unit)","score":0.6771713495254517},{"id":"https://openalex.org/keywords/image-registration","display_name":"Image registration","score":0.5927013754844666},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5654793977737427},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.5384924411773682},{"id":"https://openalex.org/keywords/medical-imaging","display_name":"Medical imaging","score":0.5288363695144653},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.5198148488998413},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.5085510015487671},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.49901580810546875},{"id":"https://openalex.org/keywords/evolutionary-algorithm","display_name":"Evolutionary algorithm","score":0.43810731172561646},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4101311266422272},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.38974660634994507},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3880576193332672},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2972734868526459}],"concepts":[{"id":"https://openalex.org/C152139883","wikidata":"https://www.wikidata.org/wiki/Q252973","display_name":"Mutual information","level":2,"score":0.701850175857544},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.6771713495254517},{"id":"https://openalex.org/C166704113","wikidata":"https://www.wikidata.org/wiki/Q861092","display_name":"Image registration","level":3,"score":0.5927013754844666},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5654793977737427},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.5384924411773682},{"id":"https://openalex.org/C31601959","wikidata":"https://www.wikidata.org/wiki/Q931309","display_name":"Medical imaging","level":2,"score":0.5288363695144653},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.5198148488998413},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.5085510015487671},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.49901580810546875},{"id":"https://openalex.org/C159149176","wikidata":"https://www.wikidata.org/wiki/Q14489129","display_name":"Evolutionary algorithm","level":2,"score":0.43810731172561646},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4101311266422272},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.38974660634994507},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3880576193332672},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2972734868526459},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/clei.2014.6965101","is_oa":false,"landing_page_url":"https://doi.org/10.1109/clei.2014.6965101","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 XL Latin American Computing Conference (CLEI)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W1533971260","https://openalex.org/W1545136637","https://openalex.org/W1584362236","https://openalex.org/W1614338317","https://openalex.org/W1837018367","https://openalex.org/W1921053982","https://openalex.org/W1947097685","https://openalex.org/W1966011527","https://openalex.org/W1966151890","https://openalex.org/W1974369017","https://openalex.org/W1995875735","https://openalex.org/W2004537679","https://openalex.org/W2008536278","https://openalex.org/W2034432063","https://openalex.org/W2044719420","https://openalex.org/W2079655528","https://openalex.org/W2080293194","https://openalex.org/W2105456967","https://openalex.org/W2115167851","https://openalex.org/W2131895977","https://openalex.org/W2133327288","https://openalex.org/W2133584444","https://openalex.org/W2134834581","https://openalex.org/W2136503713","https://openalex.org/W2140139548","https://openalex.org/W2152312926","https://openalex.org/W2154172350","https://openalex.org/W2156875677","https://openalex.org/W2157380596","https://openalex.org/W2168293194","https://openalex.org/W2170123469","https://openalex.org/W2963332217","https://openalex.org/W2974695417","https://openalex.org/W3216194616","https://openalex.org/W4238292215","https://openalex.org/W4238449418","https://openalex.org/W4252713891","https://openalex.org/W6631863904","https://openalex.org/W6636560504","https://openalex.org/W6640326172","https://openalex.org/W6677203653","https://openalex.org/W7049123017"],"related_works":["https://openalex.org/W2426195296","https://openalex.org/W1970834875","https://openalex.org/W2542788974","https://openalex.org/W2367847708","https://openalex.org/W2135643201","https://openalex.org/W2370810807","https://openalex.org/W2368895820","https://openalex.org/W2156531368","https://openalex.org/W2548524143","https://openalex.org/W1837349379"],"abstract_inverted_index":{"In":[0],"this":[1,64],"paper":[2],"it":[3],"is":[4,33,45,76,128],"considered":[5],"the":[6,22,48,59,79,86,105,126],"image":[7],"registration":[8],"(IR)":[9],"between":[10],"medical":[11],"images":[12],"of":[13,58,66,102,112,116],"computed":[14],"tomography":[15],"and":[16,71,84],"magnetic":[17],"resonance.":[18],"Our":[19,74],"approach":[20,75],"formulates":[21],"IR":[23],"as":[24,35,47],"an":[25,109],"optimization":[26,61],"problem":[27],"where":[28],"mutual":[29],"information":[30],"cost":[31],"function":[32],"used":[34],"a":[36,99],"similarity":[37],"metric":[38],"(cost":[39],"function).":[40],"The":[41,50,92,122],"Extremal":[42],"Optimization":[43],"algorithm":[44,81],"implemented":[46],"optimizer.":[49],"numerical":[51],"results":[52,94,107,123],"are":[53,95],"contrasted":[54],"against":[55],"two":[56],"state":[57],"art":[60],"algorithms":[62,88],"for":[63,130],"kind":[65],"problems":[67],"(being":[68],"one":[69],"deterministic":[70,80],"another":[72],"evolutionary).":[73],"competitive":[77],"with":[78,85,98,114,118],"in":[82,89],"accuracy":[83],"evolutionary":[87],"computational":[90],"cost.":[91],"qualitative":[93],"quite":[96],"satisfactory":[97],"83":[100],"%":[101],"success,":[103],"whilst":[104],"quantitative":[106],"present":[108],"average":[110],"error":[111],"0.36mm":[113],"registrations":[115],"CT":[117],"proton":[119],"density":[120],"MR.":[121],"show":[124],"that":[125],"proposal":[127],"useful":[129],"multimodal":[131],"registrations.":[132]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}