{"id":"https://openalex.org/W1966693797","doi":"https://doi.org/10.1007/s11604-007-0129-3","title":"Novel noise reduction filter for improving visibility of early computed tomography signs of hyperacute stroke: evaluation of the filter's performance\u2014preliminary clinical experience","display_name":"Novel noise reduction filter for improving visibility of early computed tomography signs of hyperacute stroke: evaluation of the filter's performance\u2014preliminary clinical experience","publication_year":2007,"publication_date":"2007-06-01","ids":{"openalex":"https://openalex.org/W1966693797","doi":"https://doi.org/10.1007/s11604-007-0129-3","mag":"1966693797","pmid":"https://pubmed.ncbi.nlm.nih.gov/17581716"},"language":"en","primary_location":{"id":"doi:10.1007/s11604-007-0129-3","doi":"https://doi.org/10.1007/s11604-007-0129-3","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11604-007-0129-3","pdf_url":null,"source":{"id":"https://openalex.org/S73317305","display_name":"Radiation Medicine","issn_l":"0288-2043","issn":["0288-2043","1862-5274"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Radiation Medicine","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://niigata-u.repo.nii.ac.jp/records/2562","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5022430625","display_name":"Noriyuki Takahashi","orcid":"https://orcid.org/0000-0001-8448-4919","observed_orcids":["https://orcid.org/0000-0001-8448-4919"]},"institutions":[{"id":"https://openalex.org/I4210139476","display_name":"Sendai City Hospital","ror":"https://ror.org/042ser453","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210139476"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Noriyuki Takahashi","raw_affiliation_strings":["Department of Radiology, Sendai City Hospital, 3-1 Shimizukouji, Wakabayashi-ku, Sendai, 984-0075, Japan. norizaemon@pop02.odn.ne.jp","Sendai City Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology, Sendai City Hospital, 3-1 Shimizukouji, Wakabayashi-ku, Sendai, 984-0075, Japan. norizaemon@pop02.odn.ne.jp","institution_ids":["https://openalex.org/I4210139476"]},{"raw_affiliation_string":"Sendai City Hospital","institution_ids":["https://openalex.org/I4210139476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109289903","display_name":"Yongbum Lee","orcid":"https://orcid.org/0000-0003-1242-7725","observed_orcids":["https://orcid.org/0000-0003-1242-7725"]},"institutions":[{"id":"https://openalex.org/I71395657","display_name":"Niigata University","ror":"https://ror.org/04ww21r56","country_code":"JP","type":"education","lineage":["https://openalex.org/I71395657"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yongbum Lee","raw_affiliation_strings":["Department of Radiological Technology, School of Health Sciences, Niigata University, Niigata, Japan","Niigata Univ"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiological Technology, School of Health Sciences, Niigata University, Niigata, Japan","institution_ids":["https://openalex.org/I71395657"]},{"raw_affiliation_string":"Niigata Univ","institution_ids":["https://openalex.org/I71395657"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059487136","display_name":"Du\u2010Yih Tsai","orcid":"https://orcid.org/0000-0003-1371-5497","observed_orcids":["https://orcid.org/0000-0003-1371-5497"]},"institutions":[{"id":"https://openalex.org/I71395657","display_name":"Niigata University","ror":"https://ror.org/04ww21r56","country_code":"JP","type":"education","lineage":["https://openalex.org/I71395657"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Du-Yih Tsai","raw_affiliation_strings":["Department of Radiological Technology, School of Health Sciences, Niigata University, Niigata, Japan","Niigata Univ"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiological Technology, School of Health Sciences, Niigata University, Niigata, Japan","institution_ids":["https://openalex.org/I71395657"]},{"raw_affiliation_string":"Niigata Univ","institution_ids":["https://openalex.org/I71395657"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109470126","display_name":"Kiyoshi Ishii","orcid":"https://orcid.org/0000-0001-7117-3361","observed_orcids":["https://orcid.org/0000-0001-7117-3361"]},"institutions":[{"id":"https://openalex.org/I4210139476","display_name":"Sendai City Hospital","ror":"https://ror.org/042ser453","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210139476"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kiyoshi Ishii","raw_affiliation_strings":["Department of Radiology, Sendai City Hospital, 3-1 Shimizukouji, Wakabayashi-ku, Sendai, 984-0075, Japan","Sendai City Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radiology, Sendai City Hospital, 3-1 Shimizukouji, Wakabayashi-ku, Sendai, 984-0075, Japan","institution_ids":["https://openalex.org/I4210139476"]},{"raw_affiliation_string":"Sendai City Hospital","institution_ids":["https://openalex.org/I4210139476"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5022430625"],"corresponding_institution_ids":["https://openalex.org/I4210139476"],"apc_list":null,"apc_paid":null,"fwci":1.8926,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.87225198,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":93},"biblio":{"volume":"25","issue":"5","first_page":"247","last_page":"254"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9390000104904175,"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"}},"topics":[{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9390000104904175,"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"}},{"id":"https://openalex.org/T11019","display_name":"Image Enhancement Techniques","score":0.019500000402331352,"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"}},{"id":"https://openalex.org/T10227","display_name":"Acute Ischemic Stroke Management","score":0.01140000019222498,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/noise-reduction-filters","display_name":"noise reduction filters","score":0.9929999709129333},{"id":"https://openalex.org/keywords/hyperacute-stroke","display_name":"hyperacute stroke","score":0.8859999775886536},{"id":"https://openalex.org/keywords/non-enhanced-ct","display_name":"unenhanced CT","score":0.7459999918937683},{"id":"https://openalex.org/keywords/middle-cerebral-artery-occlusion","display_name":"middle cerebral artery occlusion","score":0.847000002861023},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"signal-to-noise ratio","score":0.9449999928474426},{"id":"https://openalex.org/keywords/image-processing","display_name":"image processing","score":0.628000020980835},{"id":"https://openalex.org/keywords/ischemic-stroke-detection","display_name":"ischemic stroke detection","score":0.5090000033378601}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8385088443756104},{"id":"https://openalex.org/C123403432","wikidata":"https://www.wikidata.org/wiki/Q654068","display_name":"Visibility","level":2,"score":0.7503809928894043},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.4663827419281006},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.4652614891529083},{"id":"https://openalex.org/C2989005","wikidata":"https://www.wikidata.org/wiki/Q214963","display_name":"Nuclear medicine","level":1,"score":0.44866666197776794},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.4442313313484192},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.4307982921600342},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.33525925874710083},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.2743973135948181},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.15135273337364197},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.12976974248886108},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.06774687767028809},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000369","descriptor_name":"Aged, 80 and over","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004560","descriptor_name":"Electricity","qualifier_ui":"Q000009","qualifier_name":"adverse effects","is_major_topic":true},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011857","descriptor_name":"Radiographic Image Interpretation, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014057","descriptor_name":"Tomography, X-Ray Computed","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D014057","descriptor_name":"Tomography, X-Ray Computed","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D014057","descriptor_name":"Tomography, X-Ray Computed","qualifier_ui":"Q000592","qualifier_name":"standards","is_major_topic":true},{"descriptor_ui":"D020244","descriptor_name":"Infarction, Middle Cerebral Artery","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":true},{"descriptor_ui":"D020521","descriptor_name":"Stroke","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":true}],"locations_count":3,"locations":[{"id":"doi:10.1007/s11604-007-0129-3","doi":"https://doi.org/10.1007/s11604-007-0129-3","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11604-007-0129-3","pdf_url":null,"source":{"id":"https://openalex.org/S73317305","display_name":"Radiation Medicine","issn_l":"0288-2043","issn":["0288-2043","1862-5274"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Radiation Medicine","raw_type":"journal-article"},{"id":"pmid:17581716","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/17581716","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":"Radiation medicine","raw_type":"Comparative Study"},{"id":"pmh:oai:irdb.nii.ac.jp:01100:0003319101","doi":null,"is_oa":true,"landing_page_url":"https://niigata-u.repo.nii.ac.jp/records/2562","pdf_url":null,"source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"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":"Radiation Medicine","raw_type":"journal article"}],"best_oa_location":{"id":"pmh:oai:irdb.nii.ac.jp:01100:0003319101","doi":null,"is_oa":true,"landing_page_url":"https://niigata-u.repo.nii.ac.jp/records/2562","pdf_url":null,"source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"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":"Radiation Medicine","raw_type":"journal article"},"sustainable_development_goals":[{"score":0.9789000153541565,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1646848978","https://openalex.org/W2016010242","https://openalex.org/W2020303089","https://openalex.org/W2028223809","https://openalex.org/W2076283520","https://openalex.org/W2103291754","https://openalex.org/W2130234373","https://openalex.org/W2131182553","https://openalex.org/W2133479680","https://openalex.org/W2146840539","https://openalex.org/W2148656951","https://openalex.org/W2151968079","https://openalex.org/W2159758152","https://openalex.org/W2165910023","https://openalex.org/W2338462914","https://openalex.org/W2413703661"],"related_works":["https://openalex.org/W7208652081","https://openalex.org/W2417782115","https://openalex.org/W2413703661","https://openalex.org/W4385680876","https://openalex.org/W2003901638","https://openalex.org/W7146204975","https://openalex.org/W2050029736","https://openalex.org/W3043174630","https://openalex.org/W2593560847","https://openalex.org/W2110232630"],"abstract_inverted_index":null,"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
