{"id":"https://openalex.org/W1998901732","doi":"https://doi.org/10.1109/tns.1979.4330523","title":"A Proposed Dynamic Cardiac 3-D Densitometer for Early Detection and Evaluation of Heart Disease","display_name":"A Proposed Dynamic Cardiac 3-D Densitometer for Early Detection and Evaluation of Heart Disease","publication_year":1979,"publication_date":"1979-04-01","ids":{"openalex":"https://openalex.org/W1998901732","doi":"https://doi.org/10.1109/tns.1979.4330523","mag":"1998901732"},"language":"en","primary_location":{"id":"doi:10.1109/tns.1979.4330523","doi":"https://doi.org/10.1109/tns.1979.4330523","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tns.1979.4330523","pdf_url":null,"source":{"id":"https://openalex.org/S14279044","display_name":"IEEE Transactions on Nuclear Science","issn_l":"0018-9499","issn":["0018-9499","1558-1578"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-1","norway-1","poland-70","russia-white-list-1"],"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 Nuclear Science","raw_type":"journal-article"},"volume":null,"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/A5108559121","display_name":"D. P. Boyd","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I180670191","display_name":"University of California, San Francisco","ror":"https://ror.org/043mz5j54","country_code":"US","type":"education","lineage":["https://openalex.org/I180670191"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"D. P. Boyd","raw_affiliation_strings":["Department of Radiology, University of California, San Francisco, CA, USA","Department of Radiology, University of California, San Francisco, CA 94143"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology, University of California, San Francisco, CA, USA","institution_ids":["https://openalex.org/I180670191"]},{"raw_affiliation_string":"Department of Radiology, University of California, San Francisco, CA 94143","institution_ids":["https://openalex.org/I180670191"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110250478","display_name":"Robert G. Gould","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I180670191","display_name":"University of California, San Francisco","ror":"https://ror.org/043mz5j54","country_code":"US","type":"education","lineage":["https://openalex.org/I180670191"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. G. Gould","raw_affiliation_strings":["Department of Radiology, University of California, San Francisco, CA, USA","Department of Radiology, University of California, San Francisco, CA 94143"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology, University of California, San Francisco, CA, USA","institution_ids":["https://openalex.org/I180670191"]},{"raw_affiliation_string":"Department of Radiology, University of California, San Francisco, CA 94143","institution_ids":["https://openalex.org/I180670191"]}]},{"author_position":"middle","author":{"id":null,"display_name":"J. R. Quinn","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J. R. Quinn","raw_affiliation_strings":["Advanced Research and Application Corporation, Sunnyvale, CA, USA","Advanced Research and Application Corporation, 1223 E. Arques Ave., Sunnyvale, CA 94086"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Advanced Research and Application Corporation, Sunnyvale, CA, USA","institution_ids":[]},{"raw_affiliation_string":"Advanced Research and Application Corporation, 1223 E. Arques Ave., Sunnyvale, CA 94086","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113556135","display_name":"R. Sparks","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. Sparks","raw_affiliation_strings":["California Scientific Software, Sunnyvale, CA, USA","California Scientific Systems, P. O. Box 2053, Sunnyvale, CA 94807"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"California Scientific Software, Sunnyvale, CA, USA","institution_ids":[]},{"raw_affiliation_string":"California Scientific Systems, P. O. Box 2053, Sunnyvale, CA 94807","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109475171","display_name":"James H. Stanley","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I180670191","display_name":"University of California, San Francisco","ror":"https://ror.org/043mz5j54","country_code":"US","type":"education","lineage":["https://openalex.org/I180670191"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J. H. Stanley","raw_affiliation_strings":["Department of Radiation Oncology, University of California, San Francisco, CA, USA","Department of Radiation Oncology, University of California, San Francisco, CA 94143"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiation Oncology, University of California, San Francisco, CA, USA","institution_ids":["https://openalex.org/I180670191"]},{"raw_affiliation_string":"Department of Radiation Oncology, University of California, San Francisco, CA 94143","institution_ids":["https://openalex.org/I180670191"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090101810","display_name":"W. B. Herrmmannsfeldt","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2801935854","display_name":"SLAC National Accelerator Laboratory","ror":"https://ror.org/05gzmn429","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I2801935854","https://openalex.org/I39565521","https://openalex.org/I97018004"]},{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"W. B. Herrmmannsfeldt","raw_affiliation_strings":["Stanford Linear Accelerator Center, Stanford, CA 94105"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Stanford Linear Accelerator Center, Stanford, CA 94105","institution_ids":["https://openalex.org/I2801935854","https://openalex.org/I97018004"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":null,"fwci":6.0709,"has_fulltext":false,"cited_by_count":116,"citation_normalized_percentile":{"value":0.96093485,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"26","issue":"2","first_page":"2724","last_page":"2727"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10372","display_name":"Cardiac Imaging and Diagnostics","score":0.9926999807357788,"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/T10372","display_name":"Cardiac Imaging and Diagnostics","score":0.9926999807357788,"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":0.0027000000700354576,"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"}},{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.002300000051036477,"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/cardiac-ct","display_name":"cardiac CT","score":0.8149999976158142},{"id":"https://openalex.org/keywords/dynamic-cardiac-imaging","display_name":"dynamic cardiac imaging","score":0.5870000123977661},{"id":"https://openalex.org/keywords/myocardial-perfusion","display_name":"myocardial perfusion","score":0.8090000152587891},{"id":"https://openalex.org/keywords/myocardial-ischemia","display_name":"myocardial ischemia","score":0.7260000109672546},{"id":"https://openalex.org/keywords/myocardial-infarction","display_name":"myocardial infarction","score":0.8709999918937683},{"id":"https://openalex.org/keywords/intravenous-contrast","display_name":"intravenous contrast media","score":0.7269999980926514},{"id":"https://openalex.org/keywords/early-detection-of-heart-disease","display_name":"early detection of heart disease","score":0.6570000052452087},{"id":"https://openalex.org/keywords/image-quality","display_name":"image quality","score":0.3059999942779541}],"concepts":[{"id":"https://openalex.org/C2779751349","wikidata":"https://www.wikidata.org/wiki/Q1474480","display_name":"Scanner","level":2,"score":0.8562930822372437},{"id":"https://openalex.org/C45586990","wikidata":"https://www.wikidata.org/wiki/Q1189804","display_name":"Densitometer","level":2,"score":0.8439543843269348},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.5925362706184387},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.5174544453620911},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.4502406418323517},{"id":"https://openalex.org/C97742081","wikidata":"https://www.wikidata.org/wiki/Q7820109","display_name":"Tomographic reconstruction","level":3,"score":0.4455554485321045},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.43640226125717163},{"id":"https://openalex.org/C163985040","wikidata":"https://www.wikidata.org/wiki/Q1172399","display_name":"Data acquisition","level":2,"score":0.4351646304130554},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.4130192995071411},{"id":"https://openalex.org/C136229726","wikidata":"https://www.wikidata.org/wiki/Q327092","display_name":"Biomedical engineering","level":1,"score":0.36795157194137573},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.36020416021347046},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.3484916090965271},{"id":"https://openalex.org/C163716698","wikidata":"https://www.wikidata.org/wiki/Q841267","display_name":"Tomography","level":2,"score":0.34104734659194946},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.29408371448516846},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.19765537977218628},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.1787417232990265},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0986098051071167},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tns.1979.4330523","doi":"https://doi.org/10.1109/tns.1979.4330523","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tns.1979.4330523","pdf_url":null,"source":{"id":"https://openalex.org/S14279044","display_name":"IEEE Transactions on Nuclear Science","issn_l":"0018-9499","issn":["0018-9499","1558-1578"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-1","norway-1","poland-70","russia-white-list-1"],"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 Nuclear Science","raw_type":"journal-article"},{"id":"mag:2186238003","doi":null,"is_oa":false,"landing_page_url":"http://ieeexplore.ieee.org/iel5/23/4330502/04330523.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8048999905586243,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"sustainable_development_goals_aurora":[{"score":0.8399999737739563,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2072722233","https://openalex.org/W2073552373","https://openalex.org/W2074123176","https://openalex.org/W2106801417","https://openalex.org/W2328613378"],"related_works":["https://openalex.org/W7124796538","https://openalex.org/W1964891255","https://openalex.org/W2030855644","https://openalex.org/W2036356534","https://openalex.org/W1997979245","https://openalex.org/W2123207610","https://openalex.org/W2090894001","https://openalex.org/W2417098721","https://openalex.org/W35227176","https://openalex.org/W2065946352"],"abstract_inverted_index":{"An":[0],"inexpensive,":[1],"high-speed":[2],"multiple":[3],"section":[4],"computed-tomographic":[5],"X-ray":[6,19],"transmission":[7],"scanner":[8,13],"has":[9],"been":[10],"designed.":[11],"This":[12],"utilizes":[14],"a":[15,59],"novel":[16],"multipleanode,":[17],"scanning-electron-beam,":[18],"source":[20],"to":[21,34,67,80,86,98],"obtain":[22],"scan":[23],"times":[24],"of":[25,61,90],"50":[26],"msec":[27],"for":[28,63],"two":[29],"adjacent":[30],"tomographic":[31],"sections.":[32],"Up":[33],"8":[35],"sections":[36],"may":[37],"be":[38,78],"scanned":[39],"in":[40,42,70],"sequence":[41],"200":[43],"msec.":[44],"A":[45],"conventional":[46,99],"stationary":[47],"detector":[48],"array":[49],"and":[50,85,92],"data":[51],"processing":[52],"system":[53],"is":[54,102],"used.":[55],"Dynamic":[56],"scanning":[57],"at":[58],"rate":[60],"1/sec":[62],"20":[64],"seconds":[65],"(up":[66],"160":[68],"images)":[69],"combination":[71],"with":[72],"intravenous":[73],"contrast":[74],"media":[75],"injections":[76],"will":[77],"used":[79],"determine":[81],"regional":[82],"myocardial":[83],"perfusion":[84],"quantify":[87],"the":[88],"volume":[89],"ischemic":[91],"infarcted":[93],"tissue.":[94],"Image":[95],"quality":[96],"comparable":[97],"body":[100],"scanners":[101],"expected.":[103]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}