{"id":"https://openalex.org/W4364321243","doi":"https://doi.org/10.1109/tmi.2023.3265874","title":"Characterization and Assessment of Projection Probability Density Function and Enhanced Sampling in Self-Collimation SPECT","display_name":"Characterization and Assessment of Projection Probability Density Function and Enhanced Sampling in Self-Collimation SPECT","publication_year":2023,"publication_date":"2023-04-10","ids":{"openalex":"https://openalex.org/W4364321243","doi":"https://doi.org/10.1109/tmi.2023.3265874","pmid":"https://pubmed.ncbi.nlm.nih.gov/37037258"},"language":"en","primary_location":{"id":"doi:10.1109/tmi.2023.3265874","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tmi.2023.3265874","pdf_url":"https://ieeexplore.ieee.org/ielx7/42/4359023/10097752.pdf","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":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://ieeexplore.ieee.org/ielx7/42/4359023/10097752.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5052813958","display_name":"Debin Zhang","orcid":"https://orcid.org/0000-0002-5069-5184"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Debin Zhang","raw_affiliation_strings":["Department of Engineering Physics, Tsinghua University, Beijing, China","Institute for Precision Medicine, Tsinghua University (TUPM), Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-5069-5184","affiliations":[{"raw_affiliation_string":"Department of Engineering Physics, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]},{"raw_affiliation_string":"Institute for Precision Medicine, Tsinghua University (TUPM), Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043456017","display_name":"Zhenlei Lyu","orcid":"https://orcid.org/0009-0001-3487-3745"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhenlei Lyu","raw_affiliation_strings":["Department of Engineering Physics, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0009-0001-3487-3745","affiliations":[{"raw_affiliation_string":"Department of Engineering Physics, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006184812","display_name":"Yaqiang Liu","orcid":"https://orcid.org/0000-0003-1409-7352"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yaqiang Liu","raw_affiliation_strings":["Department of Engineering Physics, Tsinghua University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Engineering Physics, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110342009","display_name":"Zuo\u2010Xiang He","orcid":null},"institutions":[{"id":"https://openalex.org/I4210153550","display_name":"Beijing Tsinghua Chang Gung Hospital","ror":"https://ror.org/050nfgr37","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210153550"]},{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zuo-Xiang He","raw_affiliation_strings":["Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I4210153550","https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040012191","display_name":"Rutao Yao","orcid":"https://orcid.org/0000-0002-5326-7644"},"institutions":[{"id":"https://openalex.org/I63190737","display_name":"University at Buffalo, State University of New York","ror":"https://ror.org/01y64my43","country_code":"US","type":"education","lineage":["https://openalex.org/I63190737"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Rutao Yao","raw_affiliation_strings":["Department of Nuclear Medicine, University at Buffalo, The State University of New York, Buffalo, NY, USA"],"raw_orcid":"https://orcid.org/0000-0002-5326-7644","affiliations":[{"raw_affiliation_string":"Department of Nuclear Medicine, University at Buffalo, The State University of New York, Buffalo, NY, USA","institution_ids":["https://openalex.org/I63190737"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070211309","display_name":"Tianyu Ma","orcid":"https://orcid.org/0000-0002-2326-5760"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianyu Ma","raw_affiliation_strings":["Department of Engineering Physics, Tsinghua University, Beijing, China","Institute for Precision Medicine, Tsinghua University (TUPM), Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-2326-5760","affiliations":[{"raw_affiliation_string":"Department of Engineering Physics, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]},{"raw_affiliation_string":"Institute for Precision Medicine, Tsinghua University (TUPM), Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.2868,"has_fulltext":true,"cited_by_count":11,"citation_normalized_percentile":{"value":0.88149242,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":98},"biblio":{"volume":"42","issue":"9","first_page":"2787","last_page":"2801"},"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":0.9980999827384949,"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":0.9944000244140625,"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":0.7332364320755005},{"id":"https://openalex.org/keywords/spect-imaging","display_name":"Spect imaging","score":0.6324907541275024},{"id":"https://openalex.org/keywords/collimated-light","display_name":"Collimated light","score":0.6190924048423767},{"id":"https://openalex.org/keywords/pinhole","display_name":"Pinhole (optics)","score":0.5931831002235413},{"id":"https://openalex.org/keywords/monte-carlo-method","display_name":"Monte Carlo method","score":0.5793769359588623},{"id":"https://openalex.org/keywords/single-photon-emission-computed-tomography","display_name":"Single-photon emission computed tomography","score":0.5767240524291992},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.5415172576904297},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.5072926878929138},{"id":"https://openalex.org/keywords/sampling","display_name":"Sampling (signal processing)","score":0.5025839805603027},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.44702601432800293},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.4416621923446655},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.43309569358825684},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4011545777320862},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.3762909471988678},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.36919695138931274},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3559471666812897},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3099524676799774},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.30819249153137207},{"id":"https://openalex.org/keywords/nuclear-medicine","display_name":"Nuclear medicine","score":0.26640626788139343},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.10549584031105042}],"concepts":[{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.7332364320755005},{"id":"https://openalex.org/C2984398910","wikidata":"https://www.wikidata.org/wiki/Q849737","display_name":"Spect imaging","level":2,"score":0.6324907541275024},{"id":"https://openalex.org/C34445779","wikidata":"https://www.wikidata.org/wiki/Q1571347","display_name":"Collimated light","level":3,"score":0.6190924048423767},{"id":"https://openalex.org/C2776700484","wikidata":"https://www.wikidata.org/wiki/Q15832623","display_name":"Pinhole (optics)","level":2,"score":0.5931831002235413},{"id":"https://openalex.org/C19499675","wikidata":"https://www.wikidata.org/wiki/Q232207","display_name":"Monte Carlo method","level":2,"score":0.5793769359588623},{"id":"https://openalex.org/C2780441642","wikidata":"https://www.wikidata.org/wiki/Q849737","display_name":"Single-photon emission computed tomography","level":2,"score":0.5767240524291992},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.5415172576904297},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.5072926878929138},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.5025839805603027},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.44702601432800293},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.4416621923446655},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.43309569358825684},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4011545777320862},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3762909471988678},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.36919695138931274},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3559471666812897},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3099524676799774},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.30819249153137207},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.26640626788139343},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.10549584031105042},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D003198","descriptor_name":"Computer Simulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003198","descriptor_name":"Computer Simulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003198","descriptor_name":"Computer Simulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009010","descriptor_name":"Monte Carlo Method","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009010","descriptor_name":"Monte Carlo Method","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009010","descriptor_name":"Monte Carlo Method","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011336","descriptor_name":"Probability","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011336","descriptor_name":"Probability","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011336","descriptor_name":"Probability","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015899","descriptor_name":"Tomography, Emission-Computed, Single-Photon","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D015899","descriptor_name":"Tomography, Emission-Computed, Single-Photon","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D015899","descriptor_name":"Tomography, Emission-Computed, Single-Photon","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D019047","descriptor_name":"Phantoms, Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019047","descriptor_name":"Phantoms, Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019047","descriptor_name":"Phantoms, Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.1109/tmi.2023.3265874","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tmi.2023.3265874","pdf_url":"https://ieeexplore.ieee.org/ielx7/42/4359023/10097752.pdf","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:37037258","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/37037258","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:pubmedcentral.nih.gov:10597595","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/10597595","pdf_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC10597595/pdf/nihms-1928730.pdf","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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Trans Med Imaging","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.1109/tmi.2023.3265874","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tmi.2023.3265874","pdf_url":"https://ieeexplore.ieee.org/ielx7/42/4359023/10097752.pdf","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"},"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.5899999737739563,"id":"https://metadata.un.org/sdg/11"}],"awards":[{"id":"https://openalex.org/G3079472137","display_name":null,"funder_award_id":"R21EB032993","funder_id":"https://openalex.org/F4320337363","funder_display_name":"National Institute of Biomedical Imaging and Bioengineering"},{"id":"https://openalex.org/G6286289734","display_name":null,"funder_award_id":"Z220010","funder_id":"https://openalex.org/F4320322919","funder_display_name":"Natural Science Foundation of Beijing Municipality"},{"id":"https://openalex.org/G633567436","display_name":null,"funder_award_id":"81727807","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8283927466","display_name":null,"funder_award_id":"R21 EB032993","funder_id":"https://openalex.org/F4320337363","funder_display_name":"National Institute of Biomedical Imaging and Bioengineering"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322392","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549"},{"id":"https://openalex.org/F4320322624","display_name":"Tsinghua National Laboratory for Information Science and Technology","ror":"https://ror.org/03cve4549"},{"id":"https://openalex.org/F4320322919","display_name":"Natural Science Foundation of Beijing Municipality","ror":null},{"id":"https://openalex.org/F4320337363","display_name":"National Institute of Biomedical Imaging and Bioengineering","ror":"https://ror.org/00372qc85"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4364321243.pdf","grobid_xml":"https://content.openalex.org/works/W4364321243.grobid-xml"},"referenced_works_count":42,"referenced_works":["https://openalex.org/W656739280","https://openalex.org/W1572185781","https://openalex.org/W1964193034","https://openalex.org/W1970991589","https://openalex.org/W1983233366","https://openalex.org/W1984061252","https://openalex.org/W2009620901","https://openalex.org/W2015801659","https://openalex.org/W2017162022","https://openalex.org/W2029303086","https://openalex.org/W2029910520","https://openalex.org/W2035240801","https://openalex.org/W2042900363","https://openalex.org/W2055483062","https://openalex.org/W2056612255","https://openalex.org/W2073826265","https://openalex.org/W2075344979","https://openalex.org/W2080411675","https://openalex.org/W2086290879","https://openalex.org/W2089367003","https://openalex.org/W2109024306","https://openalex.org/W2111249617","https://openalex.org/W2111445764","https://openalex.org/W2113891902","https://openalex.org/W2118451930","https://openalex.org/W2121570028","https://openalex.org/W2122383607","https://openalex.org/W2138340539","https://openalex.org/W2138884296","https://openalex.org/W2162007813","https://openalex.org/W2176413962","https://openalex.org/W2188609850","https://openalex.org/W3092867306","https://openalex.org/W3096669264","https://openalex.org/W3103568104","https://openalex.org/W3119055524","https://openalex.org/W3139183992","https://openalex.org/W3154479898","https://openalex.org/W3166012261","https://openalex.org/W3193976506","https://openalex.org/W4225410905","https://openalex.org/W6621867580"],"related_works":["https://openalex.org/W3026107022","https://openalex.org/W2032735868","https://openalex.org/W2116521529","https://openalex.org/W2090363052","https://openalex.org/W2539728032","https://openalex.org/W2553353535","https://openalex.org/W2421592622","https://openalex.org/W2079582529","https://openalex.org/W1970980137","https://openalex.org/W1762867498"],"abstract_inverted_index":{"We":[0,66,115],"have":[1,122],"recently":[2],"reported":[3],"a":[4,15,86,126],"self-collimation":[5],"SPECT":[6,90,121],"(SC-SPECT)":[7],"design":[8,41],"concept":[9,42],"that":[10],"constructs":[11],"sensitive":[12],"detectors":[13],"in":[14],"multi-ring":[16],"interspaced":[17],"mosaic":[18],"architecture":[19],"to":[20,136],"simultaneously":[21],"improve":[22],"system":[23],"spatial":[24],"resolution":[25],"and":[26,33,51,60,74,85,93,110,125,131],"sensitivity.":[27],"In":[28],"this":[29,39],"work,":[30],"through":[31,112],"numerical":[32],"Monte-Carlo":[34],"simulation":[35],"studies,":[36],"we":[37,78],"investigate":[38],"new":[40],"by":[43,71],"analyzing":[44],"its":[45],"projection":[46],"probability":[47],"density":[48],"functions":[49],"(PPDF)":[50],"the":[52,80,95,117],"effects":[53],"of":[54,82,88,97,119,129],"enhanced":[55,102],"sampling,":[56],"i.e.":[57],"having":[58],"rotational":[59],"translational":[61],"object":[62],"movements":[63],"during":[64],"imaging.":[65],"first":[67],"quantitatively":[68],"characterize":[69],"PPDFs":[70,81,98,118],"their":[72],"widths":[73],"edge":[75],"slopes.":[76],"Then":[77],"compare":[79],"an":[83],"SC-SPECT":[84,135],"series":[87],"multiple-pinhole":[89],"(MPH-SPECT)":[91],"systems":[92],"assess":[94],"impact":[96],"-":[99,104],"combined":[100],"with":[101],"sampling":[103],"on":[105],"image":[106],"contrast":[107],"recovery":[108],"coefficient":[109],"variance":[111],"phantom":[113],"studies.":[114],"show":[116],"SC-":[120],"steeper":[123],"edges":[124],"wider":[127],"range":[128],"width,":[130],"these":[132],"attributes":[133],"enable":[134],"achieve":[137],"better":[138],"performance.":[139]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":5},{"year":2023,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}