{"id":"https://openalex.org/W2099312083","doi":"https://doi.org/10.1109/isbi.2008.4541151","title":"Regularization of diffusion tensor images","display_name":"Regularization of diffusion tensor images","publication_year":2008,"publication_date":"2008-05-01","ids":{"openalex":"https://openalex.org/W2099312083","doi":"https://doi.org/10.1109/isbi.2008.4541151","mag":"2099312083"},"language":"en","primary_location":{"id":"doi:10.1109/isbi.2008.4541151","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isbi.2008.4541151","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 5th IEEE International Symposium on Biomedical Imaging: From Nano to Macro","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/A5029825229","display_name":"Jaime Cisternas","orcid":"https://orcid.org/0000-0002-2955-1821"},"institutions":[{"id":"https://openalex.org/I4210143738","display_name":"Universidad de Los Andes","ror":"https://ror.org/04pqpvr75","country_code":"BO","type":"education","lineage":["https://openalex.org/I4210143738"]},{"id":"https://openalex.org/I189977406","display_name":"Universidad de Los Andes, Chile","ror":"https://ror.org/03v0qd864","country_code":"CL","type":"education","lineage":["https://openalex.org/I189977406"]}],"countries":["BO","CL"],"is_corresponding":true,"raw_author_name":"J. Cisternas","raw_affiliation_strings":["Facultad deIngenieria, Universidad de Los Andes, Santiago, Chile","Fac. de Ing., Univ. de los Andes, Los Andes"],"affiliations":[{"raw_affiliation_string":"Facultad deIngenieria, Universidad de Los Andes, Santiago, Chile","institution_ids":["https://openalex.org/I189977406"]},{"raw_affiliation_string":"Fac. de Ing., Univ. de los Andes, Los Andes","institution_ids":["https://openalex.org/I4210143738"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113725172","display_name":"Takeshi Asahi","orcid":null},"institutions":[{"id":"https://openalex.org/I69737025","display_name":"University of Chile","ror":"https://ror.org/047gc3g35","country_code":"CL","type":"education","lineage":["https://openalex.org/I69737025"]}],"countries":["CL"],"is_corresponding":false,"raw_author_name":"T. Asahi","raw_affiliation_strings":["Centrode Modelamiento Matematico, Universidad de Chile, Santiago, Chile","Centro de Modelamiento Matem\u00e1tico, Universidad de Chile, Av. Blanco Encalada 2120, Santiago, Chile"],"affiliations":[{"raw_affiliation_string":"Centrode Modelamiento Matematico, Universidad de Chile, Santiago, Chile","institution_ids":["https://openalex.org/I69737025"]},{"raw_affiliation_string":"Centro de Modelamiento Matem\u00e1tico, Universidad de Chile, Av. Blanco Encalada 2120, Santiago, Chile","institution_ids":["https://openalex.org/I69737025"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036023331","display_name":"Marcelo G\u00e1lvez","orcid":"https://orcid.org/0000-0002-8638-5268"},"institutions":[{"id":"https://openalex.org/I69737025","display_name":"University of Chile","ror":"https://ror.org/047gc3g35","country_code":"CL","type":"education","lineage":["https://openalex.org/I69737025"]},{"id":"https://openalex.org/I4210134609","display_name":"Instituto de Neurociencia Biom\u00e9dica","ror":"https://ror.org/03vp7ry06","country_code":"CL","type":"facility","lineage":["https://openalex.org/I4210134609"]}],"countries":["CL"],"is_corresponding":false,"raw_author_name":"M. Galvez","raw_affiliation_strings":["Instituto deNeurocirugia Dr. Asenjo, Universidad de Chile, Santiago, Chile","Instituto de Neurocirug\u00eda Dr. Asenjo, Universidad de Chile, Av. Jos\u00e9 Manuel Infante 553 Santiago, Chile"],"affiliations":[{"raw_affiliation_string":"Instituto deNeurocirugia Dr. Asenjo, Universidad de Chile, Santiago, Chile","institution_ids":["https://openalex.org/I4210134609","https://openalex.org/I69737025"]},{"raw_affiliation_string":"Instituto de Neurocirug\u00eda Dr. Asenjo, Universidad de Chile, Av. Jos\u00e9 Manuel Infante 553 Santiago, Chile","institution_ids":["https://openalex.org/I69737025"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082248868","display_name":"Gonzalo Rojas","orcid":"https://orcid.org/0000-0002-6228-2678"},"institutions":[{"id":"https://openalex.org/I69737025","display_name":"University of Chile","ror":"https://ror.org/047gc3g35","country_code":"CL","type":"education","lineage":["https://openalex.org/I69737025"]},{"id":"https://openalex.org/I4210134609","display_name":"Instituto de Neurociencia Biom\u00e9dica","ror":"https://ror.org/03vp7ry06","country_code":"CL","type":"facility","lineage":["https://openalex.org/I4210134609"]}],"countries":["CL"],"is_corresponding":false,"raw_author_name":"G. Rojas","raw_affiliation_strings":["Instituto deNeurocirugia Dr. Asenjo, Universidad de Chile, Santiago, Chile","Instituto de Neurocirug\u00eda Dr. Asenjo, Universidad de Chile, Av. Jos\u00e9 Manuel Infante 553 Santiago, Chile"],"affiliations":[{"raw_affiliation_string":"Instituto deNeurocirugia Dr. Asenjo, Universidad de Chile, Santiago, Chile","institution_ids":["https://openalex.org/I4210134609","https://openalex.org/I69737025"]},{"raw_affiliation_string":"Instituto de Neurocirug\u00eda Dr. Asenjo, Universidad de Chile, Av. Jos\u00e9 Manuel Infante 553 Santiago, Chile","institution_ids":["https://openalex.org/I69737025"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5029825229"],"corresponding_institution_ids":["https://openalex.org/I189977406","https://openalex.org/I4210143738"],"apc_list":null,"apc_paid":null,"fwci":0.4816,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.71321934,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"96","issue":null,"first_page":"935","last_page":"938"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11304","display_name":"Advanced Neuroimaging Techniques and Applications","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T11304","display_name":"Advanced Neuroimaging Techniques and Applications","score":1.0,"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"}},{"id":"https://openalex.org/T12552","display_name":"Fetal and Pediatric Neurological Disorders","score":0.9769999980926514,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10378","display_name":"Advanced MRI Techniques and Applications","score":0.9764000177383423,"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/regularization","display_name":"Regularization (linguistics)","score":0.7892475128173828},{"id":"https://openalex.org/keywords/ellipsoid","display_name":"Ellipsoid","score":0.7321516275405884},{"id":"https://openalex.org/keywords/diffusion-mri","display_name":"Diffusion MRI","score":0.6803750991821289},{"id":"https://openalex.org/keywords/tensor","display_name":"Tensor (intrinsic definition)","score":0.6042552590370178},{"id":"https://openalex.org/keywords/imaging-phantom","display_name":"Imaging phantom","score":0.5923110842704773},{"id":"https://openalex.org/keywords/tensor-field","display_name":"Tensor field","score":0.5808046460151672},{"id":"https://openalex.org/keywords/balanced-flow","display_name":"Balanced flow","score":0.5469898581504822},{"id":"https://openalex.org/keywords/structure-tensor","display_name":"Structure tensor","score":0.5226554870605469},{"id":"https://openalex.org/keywords/anisotropy","display_name":"Anisotropy","score":0.5041486024856567},{"id":"https://openalex.org/keywords/anisotropic-diffusion","display_name":"Anisotropic diffusion","score":0.4712669849395752},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4653613865375519},{"id":"https://openalex.org/keywords/vector-field","display_name":"Vector field","score":0.4593522846698761},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.42595499753952026},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.33961671590805054},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.33845648169517517},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.3087940812110901},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.26851847767829895},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.26708415150642395},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2400341033935547},{"id":"https://openalex.org/keywords/exact-solutions-in-general-relativity","display_name":"Exact solutions in general relativity","score":0.16489365696907043},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.14555683732032776},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.08340257406234741}],"concepts":[{"id":"https://openalex.org/C2776135515","wikidata":"https://www.wikidata.org/wiki/Q17143721","display_name":"Regularization (linguistics)","level":2,"score":0.7892475128173828},{"id":"https://openalex.org/C57489055","wikidata":"https://www.wikidata.org/wiki/Q190046","display_name":"Ellipsoid","level":2,"score":0.7321516275405884},{"id":"https://openalex.org/C149550507","wikidata":"https://www.wikidata.org/wiki/Q899360","display_name":"Diffusion MRI","level":3,"score":0.6803750991821289},{"id":"https://openalex.org/C155281189","wikidata":"https://www.wikidata.org/wiki/Q3518150","display_name":"Tensor (intrinsic definition)","level":2,"score":0.6042552590370178},{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.5923110842704773},{"id":"https://openalex.org/C166077713","wikidata":"https://www.wikidata.org/wiki/Q1758924","display_name":"Tensor field","level":3,"score":0.5808046460151672},{"id":"https://openalex.org/C167879884","wikidata":"https://www.wikidata.org/wiki/Q727568","display_name":"Balanced flow","level":2,"score":0.5469898581504822},{"id":"https://openalex.org/C113315163","wikidata":"https://www.wikidata.org/wiki/Q7625159","display_name":"Structure tensor","level":3,"score":0.5226554870605469},{"id":"https://openalex.org/C85725439","wikidata":"https://www.wikidata.org/wiki/Q466686","display_name":"Anisotropy","level":2,"score":0.5041486024856567},{"id":"https://openalex.org/C203504353","wikidata":"https://www.wikidata.org/wiki/Q4765461","display_name":"Anisotropic diffusion","level":3,"score":0.4712669849395752},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4653613865375519},{"id":"https://openalex.org/C91188154","wikidata":"https://www.wikidata.org/wiki/Q186247","display_name":"Vector field","level":2,"score":0.4593522846698761},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.42595499753952026},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.33961671590805054},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.33845648169517517},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.3087940812110901},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.26851847767829895},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.26708415150642395},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2400341033935547},{"id":"https://openalex.org/C520416788","wikidata":"https://www.wikidata.org/wiki/Q5419229","display_name":"Exact solutions in general relativity","level":2,"score":0.16489365696907043},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.14555683732032776},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.08340257406234741},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.0},{"id":"https://openalex.org/C143409427","wikidata":"https://www.wikidata.org/wiki/Q161238","display_name":"Magnetic resonance imaging","level":2,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isbi.2008.4541151","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isbi.2008.4541151","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 5th IEEE International Symposium on Biomedical Imaging: From Nano to Macro","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":11,"referenced_works":["https://openalex.org/W2017492739","https://openalex.org/W2022530159","https://openalex.org/W2027401313","https://openalex.org/W2060773902","https://openalex.org/W2063001897","https://openalex.org/W2084761689","https://openalex.org/W2103559027","https://openalex.org/W2122661899","https://openalex.org/W2170596158","https://openalex.org/W3038054700","https://openalex.org/W3144437085"],"related_works":["https://openalex.org/W2262332166","https://openalex.org/W2373529328","https://openalex.org/W2319782925","https://openalex.org/W2386523173","https://openalex.org/W1966786995","https://openalex.org/W2154534640","https://openalex.org/W2046976899","https://openalex.org/W2157622201","https://openalex.org/W2581436517","https://openalex.org/W2382072476"],"abstract_inverted_index":{"We":[0],"present":[1],"a":[2,32,40,50,96,101,105],"regularization":[3,91],"scheme":[4],"for":[5],"diffusion":[6,15,106],"tensor":[7,98,121],"images,":[8],"that":[9,55],"respects":[10],"the":[11,47,71,111,117,120],"geometrical":[12],"structure":[13],"of":[14,39,49,73,80],"ellipsoids":[16,54,75],"and":[17,35,76,87,100],"does":[18],"not":[19],"introduce":[20],"artifacts":[21],"such":[22,84],"as":[23,31,60,62,85],"anisotropy":[24],"drops.":[25],"The":[26,43,66,90],"method":[27,67],"can":[28],"be":[29],"stated":[30],"variational":[33],"problem":[34],"solved":[36],"by":[37],"means":[38],"gradient":[41],"flow.":[42],"main":[44],"ingredient":[45],"is":[46,68,93],"notion":[48],"distance":[51],"between":[52],"two":[53],"considers":[56],"differences":[57,63],"in":[58,64,78],"shape":[59],"well":[61],"orientation.":[65],"specialized":[69],"to":[70,115],"case":[72],"cylindrically-symmetric":[74],"implemented":[77],"terms":[79],"ordinary":[81],"vector":[82],"manipulations":[83],"cross":[86],"dot":[88],"products.":[89],"algorithm":[92,112],"tested":[94],"using":[95],"synthetic":[97],"field":[99],"dataset":[102],"acquired":[103],"from":[104,119],"phantom.":[107],"In":[108],"both":[109],"cases":[110],"was":[113],"able":[114],"reduce":[116],"noise":[118],"field.":[122]},"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}