{"id":"https://openalex.org/W2166820490","doi":"https://doi.org/10.1109/isbi.2008.4541244","title":"Analytic system matrix resolution modeling in PET: An application to Rb-82 cardiac imaging","display_name":"Analytic system matrix resolution modeling in PET: An application to Rb-82 cardiac imaging","publication_year":2008,"publication_date":"2008-05-01","ids":{"openalex":"https://openalex.org/W2166820490","doi":"https://doi.org/10.1109/isbi.2008.4541244","mag":"2166820490"},"language":"en","primary_location":{"id":"doi:10.1109/isbi.2008.4541244","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isbi.2008.4541244","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/A5021438906","display_name":"Arman Rahmim","orcid":"https://orcid.org/0000-0002-9980-2403"},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"A. Rahmim","raw_affiliation_strings":["Department of Radiology, Johns Hopkins University, Baltimore, MD, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology, Johns Hopkins University, Baltimore, MD, USA","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000474863","display_name":"Martin A. Lodge","orcid":"https://orcid.org/0000-0003-0922-6519"},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"M. A. Lodge","raw_affiliation_strings":["Department of Radiology, Johns Hopkins University, Baltimore, MD, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology, Johns Hopkins University, Baltimore, MD, USA","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101927628","display_name":"Jing Tang","orcid":"https://orcid.org/0000-0002-8961-138X"},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J. Tang","raw_affiliation_strings":["Department of Radiology, Johns Hopkins University, Baltimore, MD, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology, Johns Hopkins University, Baltimore, MD, USA","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109966423","display_name":"S. Lashkari","orcid":null},"institutions":[{"id":"https://openalex.org/I23946033","display_name":"University of Tehran","ror":"https://ror.org/05vf56z40","country_code":"IR","type":"education","lineage":["https://openalex.org/I23946033"]},{"id":"https://openalex.org/I70640408","display_name":"Tehran University of Medical Sciences","ror":"https://ror.org/01c4pz451","country_code":"IR","type":"education","lineage":["https://openalex.org/I70640408"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"S. Lashkari","raw_affiliation_strings":["Department of Medical Physics and Biomedical Engineering, Medical Sciences, University of Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Medical Physics and Biomedical Engineering, Medical Sciences, University of Tehran, Iran","institution_ids":["https://openalex.org/I70640408","https://openalex.org/I23946033"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027306056","display_name":"Mustafa Ay","orcid":"https://orcid.org/0000-0002-9056-9975"},"institutions":[{"id":"https://openalex.org/I23946033","display_name":"University of Tehran","ror":"https://ror.org/05vf56z40","country_code":"IR","type":"education","lineage":["https://openalex.org/I23946033"]},{"id":"https://openalex.org/I70640408","display_name":"Tehran University of Medical Sciences","ror":"https://ror.org/01c4pz451","country_code":"IR","type":"education","lineage":["https://openalex.org/I70640408"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"M. R. Ay","raw_affiliation_strings":["Department of Medical Physics and Biomedical Engineering, Medical Sciences, University of Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Medical Physics and Biomedical Engineering, Medical Sciences, University of Tehran, Iran","institution_ids":["https://openalex.org/I70640408","https://openalex.org/I23946033"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.24219503,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"47","issue":null,"first_page":"1307","last_page":"1310"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10522","display_name":"Medical Imaging 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/T10522","display_name":"Medical Imaging 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/T11216","display_name":"Radiation Detection and Scintillator Technologies","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10378","display_name":"Advanced MRI Techniques and Applications","score":0.9991999864578247,"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/imaging-phantom","display_name":"Imaging phantom","score":0.6784151792526245},{"id":"https://openalex.org/keywords/image-quality","display_name":"Image quality","score":0.6475958228111267},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.6180798411369324},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5920699238777161},{"id":"https://openalex.org/keywords/positron-emission-tomography","display_name":"Positron emission tomography","score":0.5218426585197449},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.49443888664245605},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4906422197818756},{"id":"https://openalex.org/keywords/collinearity","display_name":"Collinearity","score":0.4606587290763855},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.45004332065582275},{"id":"https://openalex.org/keywords/field-of-view","display_name":"Field of view","score":0.4360086917877197},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.4155963361263275},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.35048696398735046},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3310878872871399},{"id":"https://openalex.org/keywords/nuclear-medicine","display_name":"Nuclear medicine","score":0.21690163016319275},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.20062986016273499},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.19665738940238953},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.15766388177871704},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.08822992444038391}],"concepts":[{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.6784151792526245},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.6475958228111267},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.6180798411369324},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5920699238777161},{"id":"https://openalex.org/C2775842073","wikidata":"https://www.wikidata.org/wiki/Q208376","display_name":"Positron emission tomography","level":2,"score":0.5218426585197449},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.49443888664245605},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4906422197818756},{"id":"https://openalex.org/C106192678","wikidata":"https://www.wikidata.org/wiki/Q1419761","display_name":"Collinearity","level":2,"score":0.4606587290763855},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.45004332065582275},{"id":"https://openalex.org/C150627866","wikidata":"https://www.wikidata.org/wiki/Q1076893","display_name":"Field of view","level":2,"score":0.4360086917877197},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.4155963361263275},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.35048696398735046},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3310878872871399},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.21690163016319275},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.20062986016273499},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.19665738940238953},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.15766388177871704},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.08822992444038391},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isbi.2008.4541244","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isbi.2008.4541244","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":[{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.4000000059604645}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W1912212332","https://openalex.org/W1981425552","https://openalex.org/W1987262264","https://openalex.org/W1993388378","https://openalex.org/W2002907367","https://openalex.org/W2004960073","https://openalex.org/W2008121884","https://openalex.org/W2014568892","https://openalex.org/W2031368339","https://openalex.org/W2038920648","https://openalex.org/W2041070093","https://openalex.org/W2054316076","https://openalex.org/W2057770669","https://openalex.org/W2060489945","https://openalex.org/W2096557320","https://openalex.org/W2103707010","https://openalex.org/W2105282068","https://openalex.org/W2120499980","https://openalex.org/W2124296712","https://openalex.org/W2124929590","https://openalex.org/W2132652047","https://openalex.org/W2134534296","https://openalex.org/W2136959059","https://openalex.org/W2139267944","https://openalex.org/W2141265232","https://openalex.org/W2142002356","https://openalex.org/W2144353897","https://openalex.org/W2147712886","https://openalex.org/W2148235779","https://openalex.org/W2151342077","https://openalex.org/W2151379095","https://openalex.org/W2152806627","https://openalex.org/W2153923567","https://openalex.org/W2159435956","https://openalex.org/W2162337565","https://openalex.org/W2162978906","https://openalex.org/W2167040277","https://openalex.org/W2167308698","https://openalex.org/W2169683146","https://openalex.org/W2171537401","https://openalex.org/W2176853188","https://openalex.org/W2565960298","https://openalex.org/W6681698553","https://openalex.org/W6684813937"],"related_works":["https://openalex.org/W2015071354","https://openalex.org/W2047952491","https://openalex.org/W2062195871","https://openalex.org/W2073031339","https://openalex.org/W4391915433","https://openalex.org/W2061271245","https://openalex.org/W2365285804","https://openalex.org/W2604710047","https://openalex.org/W2620851791","https://openalex.org/W2144778520"],"abstract_inverted_index":{"An":[0],"area":[1],"of":[2,11,27,34,116],"growing":[3],"interest":[4],"in":[5,48,76],"PET":[6,49],"imaging":[7],"has":[8],"been":[9],"that":[10],"incorporating":[12],"increasingly":[13],"more":[14],"accurate":[15],"system":[16],"matrix":[17],"elements":[18],"into":[19],"the":[20,43,89,97,113],"reconstruction":[21],"task,":[22],"thus":[23],"arriving":[24],"at":[25],"images":[26],"higher":[28],"quality.":[29,78],"This":[30],"work":[31],"explores":[32],"application":[33],"an":[35],"analytic":[36],"approach":[37,69],"which":[38],"individually":[39],"models":[40],"and":[41,56,59],"combines":[42],"various":[44],"resolution":[45,81],"degrading":[46],"phenomenon":[47],"(inter-crystal":[50],"scattering,":[51],"inter-crystal":[52],"penetration,":[53],"photon":[54],"non-collinearity":[55],"positron":[57],"range),":[58],"does":[60],"not":[61],"require":[62],"extensive":[63],"experimental":[64],"measurements":[65],"and/or":[66],"simulations.":[67],"The":[68,79],"is":[70,82],"able":[71],"to":[72,84,92],"produce":[73],"considerable":[74],"enhancements":[75],"image":[77],"reconstructed":[80],"seen":[83,111],"improve":[85],"from":[86],"5.1mm-7.7mm":[87],"across":[88,96],"field-of-view":[90],"(FoV)":[91],"ap3.5mm":[93],"nearly":[94],"uniformly":[95],"FoV.":[98],"Furthermore,":[99],"phantom":[100],"studies":[101],"indicate":[102],"clearly":[103],"improved":[104],"images,":[105],"while":[106],"similar":[107],"significant":[108],"improvements":[109],"are":[110],"for":[112],"particular":[114],"task":[115],"Rb-82":[117],"cardiac":[118],"imaging.":[119]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}