{"id":"https://openalex.org/W2100584801","doi":"https://doi.org/10.1109/isbi.2011.5872524","title":"Spatial priors for perfusion and transit time estimation in PASL-MRI","display_name":"Spatial priors for perfusion and transit time estimation in PASL-MRI","publication_year":2011,"publication_date":"2011-03-01","ids":{"openalex":"https://openalex.org/W2100584801","doi":"https://doi.org/10.1109/isbi.2011.5872524","mag":"2100584801"},"language":"en","primary_location":{"id":"doi:10.1109/isbi.2011.5872524","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isbi.2011.5872524","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 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/A5073332770","display_name":"N. C. Santos","orcid":"https://orcid.org/0000-0003-4422-2919"},"institutions":[{"id":"https://openalex.org/I4210166615","display_name":"INESC TEC","ror":"https://ror.org/05fa8ka61","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590","https://openalex.org/I4210166615"]},{"id":"https://openalex.org/I4387152517","display_name":"Instituto Superior T\u00e9cnico","ror":"https://ror.org/03db2by73","country_code":"PT","type":"education","lineage":["https://openalex.org/I141596103","https://openalex.org/I4387152517"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Nuno Santos","raw_affiliation_strings":["Institute for Systems and Robotics, Instituto Superior T\u00e9cnico, Portugal","Institute for Systems and Robotics, Instituto Superior Tecnico, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Systems and Robotics, Instituto Superior T\u00e9cnico, Portugal","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I4387152517"]},{"raw_affiliation_string":"Institute for Systems and Robotics, Instituto Superior Tecnico, Portugal","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I4387152517"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053559436","display_name":"Jo\u00e3o Sanches","orcid":"https://orcid.org/0000-0001-9089-2740"},"institutions":[{"id":"https://openalex.org/I4210166615","display_name":"INESC TEC","ror":"https://ror.org/05fa8ka61","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590","https://openalex.org/I4210166615"]},{"id":"https://openalex.org/I4387152517","display_name":"Instituto Superior T\u00e9cnico","ror":"https://ror.org/03db2by73","country_code":"PT","type":"education","lineage":["https://openalex.org/I141596103","https://openalex.org/I4387152517"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Joao Sanches","raw_affiliation_strings":["Institute for Systems and Robotics, Instituto Superior T\u00e9cnico, Portugal","Institute for Systems and Robotics, Instituto Superior Tecnico, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Systems and Robotics, Instituto Superior T\u00e9cnico, Portugal","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I4387152517"]},{"raw_affiliation_string":"Institute for Systems and Robotics, Instituto Superior Tecnico, Portugal","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I4387152517"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070022937","display_name":"Patr\u00edcia Figueiredo","orcid":"https://orcid.org/0000-0002-0743-0869"},"institutions":[{"id":"https://openalex.org/I4210166615","display_name":"INESC TEC","ror":"https://ror.org/05fa8ka61","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590","https://openalex.org/I4210166615"]},{"id":"https://openalex.org/I4387152517","display_name":"Instituto Superior T\u00e9cnico","ror":"https://ror.org/03db2by73","country_code":"PT","type":"education","lineage":["https://openalex.org/I141596103","https://openalex.org/I4387152517"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Patricia Figueiredo","raw_affiliation_strings":["Institute for Systems and Robotics, Instituto Superior T\u00e9cnico, Portugal","Institute for Systems and Robotics, Instituto Superior Tecnico, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Systems and Robotics, Instituto Superior T\u00e9cnico, Portugal","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I4387152517"]},{"raw_affiliation_string":"Institute for Systems and Robotics, Instituto Superior Tecnico, Portugal","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I4387152517"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2685,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.65016495,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"791","last_page":"794"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10378","display_name":"Advanced MRI 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/T10378","display_name":"Advanced MRI 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/T11885","display_name":"MRI in cancer diagnosis","score":0.9995999932289124,"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/T11304","display_name":"Advanced Neuroimaging Techniques and Applications","score":0.9990000128746033,"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/prior-probability","display_name":"Prior probability","score":0.7596635818481445},{"id":"https://openalex.org/keywords/maximum-a-posteriori-estimation","display_name":"Maximum a posteriori estimation","score":0.6803385615348816},{"id":"https://openalex.org/keywords/a-priori-and-a-posteriori","display_name":"A priori and a posteriori","score":0.5967413783073425},{"id":"https://openalex.org/keywords/monte-carlo-method","display_name":"Monte Carlo method","score":0.578652560710907},{"id":"https://openalex.org/keywords/bayesian-probability","display_name":"Bayesian probability","score":0.5784316658973694},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.541456937789917},{"id":"https://openalex.org/keywords/bayes-estimator","display_name":"Bayes estimator","score":0.44262591004371643},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.42258933186531067},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3392145037651062},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3292767405509949},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3115732967853546},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.2904139757156372},{"id":"https://openalex.org/keywords/maximum-likelihood","display_name":"Maximum likelihood","score":0.13053548336029053}],"concepts":[{"id":"https://openalex.org/C177769412","wikidata":"https://www.wikidata.org/wiki/Q278090","display_name":"Prior probability","level":3,"score":0.7596635818481445},{"id":"https://openalex.org/C9810830","wikidata":"https://www.wikidata.org/wiki/Q635384","display_name":"Maximum a posteriori estimation","level":3,"score":0.6803385615348816},{"id":"https://openalex.org/C75553542","wikidata":"https://www.wikidata.org/wiki/Q178161","display_name":"A priori and a posteriori","level":2,"score":0.5967413783073425},{"id":"https://openalex.org/C19499675","wikidata":"https://www.wikidata.org/wiki/Q232207","display_name":"Monte Carlo method","level":2,"score":0.578652560710907},{"id":"https://openalex.org/C107673813","wikidata":"https://www.wikidata.org/wiki/Q812534","display_name":"Bayesian probability","level":2,"score":0.5784316658973694},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.541456937789917},{"id":"https://openalex.org/C68022304","wikidata":"https://www.wikidata.org/wiki/Q842217","display_name":"Bayes estimator","level":3,"score":0.44262591004371643},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.42258933186531067},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3392145037651062},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3292767405509949},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3115732967853546},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.2904139757156372},{"id":"https://openalex.org/C49781872","wikidata":"https://www.wikidata.org/wiki/Q1045555","display_name":"Maximum likelihood","level":2,"score":0.13053548336029053},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isbi.2011.5872524","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isbi.2011.5872524","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1971563238","https://openalex.org/W1983675419","https://openalex.org/W2019007817","https://openalex.org/W2070949043","https://openalex.org/W2080015684","https://openalex.org/W2125587122","https://openalex.org/W2135695442","https://openalex.org/W2157652825"],"related_works":["https://openalex.org/W1839961359","https://openalex.org/W1935326023","https://openalex.org/W2075146114","https://openalex.org/W2015518264","https://openalex.org/W2562263695","https://openalex.org/W2150865841","https://openalex.org/W3160546271","https://openalex.org/W2147201983","https://openalex.org/W2795035211","https://openalex.org/W2135187896"],"abstract_inverted_index":{"Maps":[0],"of":[1,71,96],"perfusion":[2],"and":[3],"Arterial":[4,15],"Transit":[5],"Time":[6],"(ATT)":[7],"can":[8,21],"be":[9,22],"measured":[10],"quantitatively":[11],"using":[12,88],"non-invasive":[13],"Pulsed":[14],"Spin":[16],"Labeling":[17],"(PASL)":[18],"techniques.":[19],"This":[20],"achieved":[23],"by":[24],"fitting":[25],"a":[26,46,52,54,61,89],"kinetic":[27],"model":[28,66],"to":[29,106],"magnetization":[30],"difference":[31],"data":[32],"images":[33],"acquired":[34],"at":[35],"multiple":[36],"inversion":[37],"times":[38],"(TI).":[39],"Here,":[40],"spatial":[41,72,86],"information":[42,87],"is":[43],"incorporated":[44],"into":[45],"Bayesian":[47],"estimation":[48,82],"method,":[49],"based":[50],"on":[51],"maximum":[53],"posteriori":[55],"(MAP)":[56],"criterion,":[57],"which":[58],"also":[59],"incorporates":[60],"priori":[62],"knowledge":[63],"regarding":[64],"the":[65,94,97,104],"physiological":[67],"parameters.":[68],"Two":[69],"types":[70],"priors":[73],"were":[74],"tested.":[75],"Monte":[76],"Carlo":[77],"simulations":[78],"showed":[79],"reduced":[80],"parameter":[81],"errors":[83],"when":[84],"including":[85],"Total":[90],"Variation":[91],"prior.":[92],"Furthermore,":[93],"feasibility":[95],"method":[98],"proposed":[99],"here":[100],"was":[101],"demonstrated":[102],"through":[103],"application":[105],"empirical":[107],"data.":[108]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}