{"id":"https://openalex.org/W2047647992","doi":"https://doi.org/10.1253/jcj.51.1157","title":"A simple quantitative analysis system for coronary cineangiograms using a personal computer.","display_name":"A simple quantitative analysis system for coronary cineangiograms using a personal computer.","publication_year":1987,"publication_date":"1987-01-01","ids":{"openalex":"https://openalex.org/W2047647992","doi":"https://doi.org/10.1253/jcj.51.1157","mag":"2047647992","pmid":"https://pubmed.ncbi.nlm.nih.gov/3123740"},"language":"en","primary_location":{"id":"doi:10.1253/jcj.51.1157","doi":"https://doi.org/10.1253/jcj.51.1157","is_oa":true,"landing_page_url":"https://doi.org/10.1253/jcj.51.1157","pdf_url":"https://www.jstage.jst.go.jp/article/circj1960/51/10/51_10_1157/_pdf","source":{"id":"https://openalex.org/S150042853","display_name":"Japanese Circulation Journal-english Edition","issn_l":"0047-1828","issn":["0047-1828","1347-4839"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":"https://openalex.org/P4310313287","host_organization_name":"Japanese Circulation Society","host_organization_lineage":["https://openalex.org/P4310313287"],"host_organization_lineage_names":["Japanese Circulation Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Japanese Circulation Journal","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.jstage.jst.go.jp/article/circj1960/51/10/51_10_1157/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5019308515","display_name":"Yorinobu Sonoda","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I96036126","display_name":"Kumamoto University","ror":"https://ror.org/02cgss904","country_code":"JP","type":"education","lineage":["https://openalex.org/I96036126"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"YORINOBU SONODA","raw_affiliation_strings":["Department of Electronics, Faculty of Engineering, Kumamoto University, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronics, Faculty of Engineering, Kumamoto University, Japan","institution_ids":["https://openalex.org/I96036126"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068106156","display_name":"Keisuke Mori","orcid":"https://orcid.org/0000-0003-0072-5741","observed_orcids":["https://orcid.org/0000-0003-0072-5741"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"KEISUKE MORI","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091430660","display_name":"Hirofumi Yasue","orcid":"https://orcid.org/0000-0002-9952-9638","observed_orcids":["https://orcid.org/0000-0002-9952-9638"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"HIROFUMI YASUE","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5113968308","display_name":"Yutaka Horio","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"YUTAKA HORIO","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.5144,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.66071644,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"51","issue":"10","first_page":"1157","last_page":"1162"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10372","display_name":"Cardiac Imaging and Diagnostics","score":0.9599999785423279,"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":0.9599999785423279,"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/T10193","display_name":"Coronary Interventions and Diagnostics","score":0.02590000070631504,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"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/T10052","display_name":"Medical Image Segmentation Techniques","score":0.003700000001117587,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/coronary-angiography","display_name":"coronary angiography","score":0.9049999713897705},{"id":"https://openalex.org/keywords/quantitative-image-analysis","display_name":"quantitative image analysis","score":0.703000009059906},{"id":"https://openalex.org/keywords/personal-computers","display_name":"personal computers","score":0.5059999823570251},{"id":"https://openalex.org/keywords/image-smoothing","display_name":"image smoothing","score":0.44699999690055847},{"id":"https://openalex.org/keywords/median-filtering","display_name":"median filter","score":0.7229999899864197},{"id":"https://openalex.org/keywords/moving-average-filter","display_name":"moving average filter","score":0.7699999809265137},{"id":"https://openalex.org/keywords/gray-level-thresholding","display_name":"gray-level thresholding","score":0.6890000104904175},{"id":"https://openalex.org/keywords/image-intensifier","display_name":"image intensifier","score":0.8330000042915344},{"id":"https://openalex.org/keywords/contour-detection","display_name":"contour detection","score":0.777999997138977},{"id":"https://openalex.org/keywords/phantom-validation","display_name":"phantom validation","score":0.5270000100135803},{"id":"https://openalex.org/keywords/acetylcholine","display_name":"acetylcholine","score":0.9259999990463257},{"id":"https://openalex.org/keywords/nitroglycerin","display_name":"nitroglycerin","score":0.9879999756813049},{"id":"https://openalex.org/keywords/coronary-vasodilation","display_name":"coronary vasodilation","score":0.8619999885559082}],"concepts":[{"id":"https://openalex.org/C2776865275","wikidata":"https://www.wikidata.org/wiki/Q311666","display_name":"Projector","level":2,"score":0.6055874228477478},{"id":"https://openalex.org/C2988821698","wikidata":"https://www.wikidata.org/wiki/Q16338","display_name":"Personal computer","level":2,"score":0.6038684248924255},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5619349479675293},{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.555549681186676},{"id":"https://openalex.org/C3770464","wikidata":"https://www.wikidata.org/wiki/Q775963","display_name":"Smoothing","level":2,"score":0.48378536105155945},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4722140431404114},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4708661139011383},{"id":"https://openalex.org/C2781281974","wikidata":"https://www.wikidata.org/wiki/Q324634","display_name":"Digital mammography","level":5,"score":0.41625893115997314},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.35290515422821045},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.18334975838661194},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.17063510417938232},{"id":"https://openalex.org/C2780472235","wikidata":"https://www.wikidata.org/wiki/Q324634","display_name":"Mammography","level":4,"score":0.15928620100021362},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.08677533268928528},{"id":"https://openalex.org/C121608353","wikidata":"https://www.wikidata.org/wiki/Q12078","display_name":"Cancer","level":2,"score":0.0},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.0},{"id":"https://openalex.org/C530470458","wikidata":"https://www.wikidata.org/wiki/Q128581","display_name":"Breast cancer","level":3,"score":0.0}],"mesh":[{"descriptor_ui":"D000109","descriptor_name":"Acetylcholine","qualifier_ui":"Q000494","qualifier_name":"pharmacology","is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D002932","descriptor_name":"Cineangiography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D003201","descriptor_name":"Computers","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D003331","descriptor_name":"Coronary Vessels","qualifier_ui":"Q000187","qualifier_name":"drug effects","is_major_topic":true},{"descriptor_ui":"D005069","descriptor_name":"Evaluation Studies as Topic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005996","descriptor_name":"Nitroglycerin","qualifier_ui":"Q000494","qualifier_name":"pharmacology","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008838","descriptor_name":"Microcomputers","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1253/jcj.51.1157","doi":"https://doi.org/10.1253/jcj.51.1157","is_oa":true,"landing_page_url":"https://doi.org/10.1253/jcj.51.1157","pdf_url":"https://www.jstage.jst.go.jp/article/circj1960/51/10/51_10_1157/_pdf","source":{"id":"https://openalex.org/S150042853","display_name":"Japanese Circulation Journal-english Edition","issn_l":"0047-1828","issn":["0047-1828","1347-4839"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":"https://openalex.org/P4310313287","host_organization_name":"Japanese Circulation Society","host_organization_lineage":["https://openalex.org/P4310313287"],"host_organization_lineage_names":["Japanese Circulation Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Japanese Circulation Journal","raw_type":"journal-article"},{"id":"pmid:3123740","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/3123740","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,"listed_in":[],"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":"Japanese circulation journal","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1253/jcj.51.1157","doi":"https://doi.org/10.1253/jcj.51.1157","is_oa":true,"landing_page_url":"https://doi.org/10.1253/jcj.51.1157","pdf_url":"https://www.jstage.jst.go.jp/article/circj1960/51/10/51_10_1157/_pdf","source":{"id":"https://openalex.org/S150042853","display_name":"Japanese Circulation Journal-english Edition","issn_l":"0047-1828","issn":["0047-1828","1347-4839"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":"https://openalex.org/P4310313287","host_organization_name":"Japanese Circulation Society","host_organization_lineage":["https://openalex.org/P4310313287"],"host_organization_lineage_names":["Japanese Circulation Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Japanese Circulation Journal","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.46810001134872437,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2047647992.pdf","grobid_xml":"https://content.openalex.org/works/W2047647992.grobid-xml"},"referenced_works_count":15,"referenced_works":["https://openalex.org/W1622620102","https://openalex.org/W1965440677","https://openalex.org/W1971634997","https://openalex.org/W1989456091","https://openalex.org/W2012065906","https://openalex.org/W2015250017","https://openalex.org/W2024866658","https://openalex.org/W2039532481","https://openalex.org/W2063565820","https://openalex.org/W2084896990","https://openalex.org/W2087201131","https://openalex.org/W2092394380","https://openalex.org/W2109737438","https://openalex.org/W2153259204","https://openalex.org/W2239977758"],"related_works":["https://openalex.org/W2124242086","https://openalex.org/W2060214921","https://openalex.org/W20197791","https://openalex.org/W2416303366","https://openalex.org/W2062128472","https://openalex.org/W2056432529","https://openalex.org/W2114659829","https://openalex.org/W2409334079","https://openalex.org/W2045331913","https://openalex.org/W2248499964"],"abstract_inverted_index":{"We":[0],"have":[1],"developed":[2],"a":[3,12,16,33,53,58,93,96,136,161],"simple":[4],"quantitative":[5],"analysis":[6],"system":[7,174],"for":[8],"coronary":[9,188],"cineangiograms":[10],"using":[11,115],"personal":[13],"computer":[14],"and":[15,57,169,185],"standard":[17],"projector-video":[18],"camera":[19],"system.":[20],"The":[21,119],"selected":[22],"frame":[23],"of":[24,32,81,95,106,121,131,143,164,179,183],"cinefilm":[25,94],"was":[26,100,126,154],"projected":[27],"onto":[28],"the":[29,45,62,65,78,87,103,107,112,122,129,140,151,181],"target":[30],"area":[31],"CCD":[34],"video":[35],"camera.":[36],"To":[37,85],"decrease":[38],"spatial":[39],"fluctuations":[40],"due":[41],"to":[42,73,110,156],"quantum":[43],"noise,":[44],"digital":[46,66],"data":[47,67,75],"were":[48,71],"smoothed":[49],"spatially":[50],"by":[51,76,114],"applying":[52],"moving":[54],"averaged":[55],"filter":[56],"median":[59],"filter.":[60],"Following":[61],"smoothing":[63],"process,":[64],"with":[68,135],"gray":[69,83],"level":[70],"transformed":[72],"binary":[74],"quantifying":[77],"threshold":[79],"property":[80],"their":[82],"level.":[84],"minimize":[86],"geometric":[88],"influence,":[89],"mainly":[90],"pincushion":[91],"effect,":[92],"1":[97],"cm":[98],"grid":[99],"placed":[101],"against":[102],"input":[104],"screen":[105],"image":[108],"intensifier":[109],"correct":[111],"distortion":[113],"3rd":[116],"degree":[117],"polynomials.":[118],"accuracy":[120,153],"contour":[123],"detection":[124],"procedure":[125],"validated":[127],"on":[128,147,187],"basis":[130],"phantom":[132],"models":[133],"filled":[134],"contrast":[137],"medium.":[138],"Despite":[139],"potential":[141],"influence":[142],"many":[144],"radiographic":[145,170],"variables":[146],"computerized":[148],"diameter":[149,190],"measurements,":[150],"overall":[152],"found":[155],"be":[157],"0.26-0.33":[158],"mm":[159],"over":[160],"wide":[162],"range":[163],"clinically":[165],"relevant":[166],"artery":[167,189],"diameters":[168],"conditions.":[171],"Using":[172],"this":[173],"we":[175],"demonstrated":[176],"one":[177],"method":[178],"examining":[180],"effects":[182],"acetylcholine":[184],"nitroglycerin":[186],"in":[191],"adult":[192],"humans.":[193]},"counts_by_year":[],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
