{"id":"https://openalex.org/W2068840873","doi":"https://doi.org/10.1109/tmi.2012.2225441","title":"Correction for Collimator-Detector Response in SPECT Using Point Spread Function Template","display_name":"Correction for Collimator-Detector Response in SPECT Using Point Spread Function Template","publication_year":2012,"publication_date":"2012-10-18","ids":{"openalex":"https://openalex.org/W2068840873","doi":"https://doi.org/10.1109/tmi.2012.2225441","mag":"2068840873","pmid":"https://pubmed.ncbi.nlm.nih.gov/23086521"},"language":"en","primary_location":{"id":"doi:10.1109/tmi.2012.2225441","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmi.2012.2225441","pdf_url":null,"source":{"id":"https://openalex.org/S58069681","display_name":"IEEE Transactions on Medical Imaging","issn_l":"0278-0062","issn":["0278-0062","1558-254X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Medical Imaging","raw_type":"journal-article"},"type":"erratum","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/3619230","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5052523460","display_name":"Se Young Chun","orcid":"https://orcid.org/0000-0001-8739-8960"},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]},{"id":"https://openalex.org/I4210114445","display_name":"Michigan Medicine","ror":"https://ror.org/01zcpa714","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Se Young Chun","raw_affiliation_strings":["Department of Electrical Engineering and Computer Science and Radiology, University of Michigan, Ann Arbor, MI 48109, USA. delight@umich.edu","[Dept. of EECS, Univ. of Michigan, Ann Arbor, MI, USA]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Computer Science and Radiology, University of Michigan, Ann Arbor, MI 48109, USA. delight@umich.edu","institution_ids":["https://openalex.org/I27837315","https://openalex.org/I4210114445"]},{"raw_affiliation_string":"[Dept. of EECS, Univ. of Michigan, Ann Arbor, MI, USA]","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027207271","display_name":"Jeffrey A. Fessler","orcid":"https://orcid.org/0000-0001-9998-3315"},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jeffrey A. Fessler","raw_affiliation_strings":["Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, MI, USA","[Dept. of EECS, Univ. of Michigan, Ann Arbor, MI, USA]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, MI, USA","institution_ids":["https://openalex.org/I27837315"]},{"raw_affiliation_string":"[Dept. of EECS, Univ. of Michigan, Ann Arbor, MI, USA]","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5065982764","display_name":"Yuni K. Dewaraja","orcid":"https://orcid.org/0000-0002-3920-6925"},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yuni K. Dewaraja","raw_affiliation_strings":["Department of Radiology, University of Michigan, Ann Arbor, MI, USA","Dept. of Radiol., Univ. of Michigan, Ann Arbor, MI, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology, University of Michigan, Ann Arbor, MI, USA","institution_ids":["https://openalex.org/I27837315"]},{"raw_affiliation_string":"Dept. of Radiol., Univ. of Michigan, Ann Arbor, MI, USA","institution_ids":["https://openalex.org/I27837315"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":56,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"32","issue":"2","first_page":"295","last_page":"305"},"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/T10378","display_name":"Advanced MRI Techniques and Applications","score":0.998199999332428,"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/T12386","display_name":"Advanced X-ray and CT Imaging","score":0.9979000091552734,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"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/collimator","display_name":"Collimator","score":0.8770551681518555},{"id":"https://openalex.org/keywords/point-spread-function","display_name":"Point spread function","score":0.6871287226676941},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.6363442540168762},{"id":"https://openalex.org/keywords/parametric-statistics","display_name":"Parametric statistics","score":0.5681565403938293},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.5413783192634583},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.5279399752616882},{"id":"https://openalex.org/keywords/monte-carlo-method","display_name":"Monte Carlo method","score":0.49943113327026367},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.49042245745658875},{"id":"https://openalex.org/keywords/point-source","display_name":"Point source","score":0.4164610207080841},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.39042091369628906},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.38349902629852295},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.23657462000846863},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.08254215121269226}],"concepts":[{"id":"https://openalex.org/C2779200277","wikidata":"https://www.wikidata.org/wiki/Q1164658","display_name":"Collimator","level":2,"score":0.8770551681518555},{"id":"https://openalex.org/C69179731","wikidata":"https://www.wikidata.org/wiki/Q510427","display_name":"Point spread function","level":2,"score":0.6871287226676941},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.6363442540168762},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.5681565403938293},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.5413783192634583},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5279399752616882},{"id":"https://openalex.org/C19499675","wikidata":"https://www.wikidata.org/wiki/Q232207","display_name":"Monte Carlo method","level":2,"score":0.49943113327026367},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.49042245745658875},{"id":"https://openalex.org/C103783831","wikidata":"https://www.wikidata.org/wiki/Q2552709","display_name":"Point source","level":2,"score":0.4164610207080841},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.39042091369628906},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.38349902629852295},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.23657462000846863},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.08254215121269226},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D004867","descriptor_name":"Equipment Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004867","descriptor_name":"Equipment Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004867","descriptor_name":"Equipment Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007089","descriptor_name":"Image Enhancement","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007089","descriptor_name":"Image Enhancement","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007089","descriptor_name":"Image Enhancement","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007090","descriptor_name":"Image Interpretation, Computer-Assisted","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D007090","descriptor_name":"Image Interpretation, Computer-Assisted","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D007090","descriptor_name":"Image Interpretation, Computer-Assisted","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D007090","descriptor_name":"Image Interpretation, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007090","descriptor_name":"Image Interpretation, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007090","descriptor_name":"Image Interpretation, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012680","descriptor_name":"Sensitivity and Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014159","descriptor_name":"Transducers","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D014159","descriptor_name":"Transducers","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D014159","descriptor_name":"Transducers","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015899","descriptor_name":"Tomography, Emission-Computed, Single-Photon","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D015899","descriptor_name":"Tomography, Emission-Computed, Single-Photon","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D015899","descriptor_name":"Tomography, Emission-Computed, Single-Photon","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D016477","descriptor_name":"Artifacts","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D016477","descriptor_name":"Artifacts","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D016477","descriptor_name":"Artifacts","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D019544","descriptor_name":"Equipment Failure Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019544","descriptor_name":"Equipment Failure Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019544","descriptor_name":"Equipment Failure Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":5,"locations":[{"id":"doi:10.1109/tmi.2012.2225441","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmi.2012.2225441","pdf_url":null,"source":{"id":"https://openalex.org/S58069681","display_name":"IEEE Transactions on Medical Imaging","issn_l":"0278-0062","issn":["0278-0062","1558-254X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Medical Imaging","raw_type":"journal-article"},{"id":"pmid:23086521","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/23086521","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE transactions on medical imaging","raw_type":null},{"id":"pmh:oai:europepmc.org:2620452","is_oa":false,"landing_page_url":"http://europepmc.org/articles/PMC3619230","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:3619230","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/3619230","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Trans Med Imaging","raw_type":"Text"},{"id":"pmh:oai:scholarworks.unist.ac.kr:201301/7983","is_oa":false,"landing_page_url":"http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84873291125","pdf_url":null,"source":{"id":"https://openalex.org/S4306401118","display_name":"Scholarworks@UNIST (Ulsan National Institute of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I48566637","host_organization_name":"Ulsan National Institute of Science and Technology","host_organization_lineage":["https://openalex.org/I48566637"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"ARTICLE"}],"best_oa_location":{"id":"pmh:oai:pubmedcentral.nih.gov:3619230","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/3619230","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Trans Med Imaging","raw_type":"Text"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.7200000286102295}],"awards":[{"id":"https://openalex.org/G3536824902","display_name":null,"funder_award_id":"R01 EB001994","funder_id":"https://openalex.org/F4320337363","funder_display_name":"National Institute of Biomedical Imaging and Bioengineering"},{"id":"https://openalex.org/G7506596770","display_name":null,"funder_award_id":"2R01 EB001994","funder_id":"https://openalex.org/F4320337363","funder_display_name":"National Institute of Biomedical Imaging and Bioengineering"}],"funders":[{"id":"https://openalex.org/F4320337363","display_name":"National Institute of Biomedical Imaging and Bioengineering","ror":"https://ror.org/00372qc85"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W68926936","https://openalex.org/W1874082095","https://openalex.org/W1947354684","https://openalex.org/W1957571310","https://openalex.org/W1973675464","https://openalex.org/W1988194805","https://openalex.org/W2009088142","https://openalex.org/W2030791018","https://openalex.org/W2032969884","https://openalex.org/W2038251310","https://openalex.org/W2044813020","https://openalex.org/W2046701563","https://openalex.org/W2046703017","https://openalex.org/W2050921210","https://openalex.org/W2051434435","https://openalex.org/W2053958583","https://openalex.org/W2071467620","https://openalex.org/W2083958474","https://openalex.org/W2097155730","https://openalex.org/W2109383480","https://openalex.org/W2121570028","https://openalex.org/W2125824059","https://openalex.org/W2128701709","https://openalex.org/W2140015134","https://openalex.org/W2142054411","https://openalex.org/W2144053895","https://openalex.org/W2162007813","https://openalex.org/W2165610094","https://openalex.org/W2170039958","https://openalex.org/W2179595152","https://openalex.org/W2544235388","https://openalex.org/W2988564852","https://openalex.org/W6639282363","https://openalex.org/W6640687883","https://openalex.org/W6641182283","https://openalex.org/W6729051848"],"related_works":["https://openalex.org/W3155365101","https://openalex.org/W4310064730","https://openalex.org/W2533099911","https://openalex.org/W2008666279","https://openalex.org/W2043466302","https://openalex.org/W2052665584","https://openalex.org/W2092921541","https://openalex.org/W3020947780","https://openalex.org/W2379107372","https://openalex.org/W1999862828"],"abstract_inverted_index":{"Compensating":[0],"for":[1,10,40,51,80,88,161,187],"the":[2,42,46,62,75,90,98,102,123,139,155,173,190,220,240,243,249,252,258,285,303,306,311],"collimator-detector":[3],"response":[4,20,31,48,68,100,127],"(CDR)":[5],"in":[6,74,144,194],"SPECT":[7,174,192,269],"is":[8,37,69,78,110,119,147,236,265],"important":[9,79],"accurate":[11,81,181],"quantification.":[12,82],"The":[13,29,232,262,288],"CDR":[14,44,76,92,205,256],"consists":[15],"of":[16,172,189,224,242,260,271],"both":[17,97],"a":[18,22,113,133,209,213,275,279,294],"geometric":[19,30,47,99],"and":[21,25,36,65,71,101,105,180,218,247,254,278,296,310],"septal":[23,63,103,141,244],"penetration":[24,64,104,142,245],"collimator":[26,66,106],"scatter":[27,67,107],"response.":[28,108],"can":[32,177],"be":[33,178,185],"modeled":[34],"analytically":[35],"often":[38],"used":[39],"modeling":[41,73,89,171],"whole":[43],"if":[45],"dominates.":[49],"However,":[50,132,165],"radionuclides":[52],"that":[53,118],"emit":[54],"medium":[55],"or":[56],"high-energy":[57],"photons":[58],"such":[59],"as":[60,94],"I-131,":[61],"significant":[70],"its":[72],"correction":[77],"There":[83],"are":[84],"two":[85],"main":[86],"methods":[87],"depth-dependent":[91,156],"so":[93],"to":[95,111,122,148,153,204,222,267,293,302],"include":[96],"One":[109],"fit":[112,219],"Gaussian":[114,210,308,312],"plus":[115,212,313],"exponential":[116,135,314],"function":[117,136,211],"rotationally":[120],"invariant":[121],"measured":[124,255],"point":[125,157,227],"source":[126,228],"at":[128,229,257],"several":[129,230],"source-detector":[130],"distances.":[131,164,231],"rotationally-invariant":[134],"cannot":[137],"represent":[138],"star-shaped":[140],"tails":[143],"detail.":[145],"Another":[146],"perform":[149],"Monte-Carlo":[150],"(MC)":[151],"simulations":[152],"generate":[154],"spread":[158],"functions":[159],"(PSFs)":[160],"all":[162,188],"necessary":[163],"MC":[166,280],"simulations,":[167],"which":[168],"require":[169],"careful":[170],"detector":[175],"components,":[176],"challenging":[179],"results":[182,304],"may":[183],"not":[184],"available":[186],"different":[191],"scanners":[193],"clinics.":[195],"In":[196],"this":[197],"paper,":[198],"we":[199],"propose":[200],"an":[201,225],"alternative":[202],"approach":[203,235],"modeling.":[206],"We":[207],"use":[208],"2-D":[214],"B-spline":[215],"PSF":[216],"template":[217],"model":[221,264,290,309],"measurements":[223],"I-131":[226,268],"proposed":[233,289],"PSF-template-based":[234],"nearly":[237],"non-parametric,":[238],"captures":[239],"characteristics":[241],"tails,":[246],"minimizes":[248],"difference":[250],"between":[251],"fitted":[253],"distances":[259],"interest.":[261],"new":[263],"applied":[266],"reconstructions":[270],"experimental":[272],"phantom":[273],"measurements,":[274],"patient":[276,281],"study,":[277],"simulation":[282],"study":[283],"employing":[284],"XCAT":[286],"phantom.":[287],"yields":[291],"up":[292],"16.5":[295],"10.8%":[297],"higher":[298],"recovery":[299],"coefficient":[300],"compared":[301],"with":[305],"conventional":[307],"model,":[315],"respectively.":[316]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
