{"id":"https://openalex.org/W2119832366","doi":"https://doi.org/10.1109/tmi.2008.2008961","title":"Optimized Reconstruction Algorithm for Helical CT With Fractional Pitch Between 1PI and 3PI","display_name":"Optimized Reconstruction Algorithm for Helical CT With Fractional Pitch Between 1PI and 3PI","publication_year":2009,"publication_date":"2009-02-13","ids":{"openalex":"https://openalex.org/W2119832366","doi":"https://doi.org/10.1109/tmi.2008.2008961","mag":"2119832366","pmid":"https://pubmed.ncbi.nlm.nih.gov/19211349"},"language":"en","primary_location":{"id":"doi:10.1109/tmi.2008.2008961","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmi.2008.2008961","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":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://stars.library.ucf.edu/facultybib2000/1705","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5034138273","display_name":"Alexander Katsevich","orcid":"https://orcid.org/0000-0002-6586-1210"},"institutions":[{"id":"https://openalex.org/I106165777","display_name":"University of Central Florida","ror":"https://ror.org/036nfer12","country_code":"US","type":"education","lineage":["https://openalex.org/I106165777"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"A. Katsevich","raw_affiliation_strings":["Department of Mathematics, University of Central Florida, Orlando, FL 32816 USA. akatsevi@mail.ucf.edu","Department of Mathematics, University of Central Florida, Orlando, FL, USA"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, University of Central Florida, Orlando, FL 32816 USA. akatsevi@mail.ucf.edu","institution_ids":["https://openalex.org/I106165777"]},{"raw_affiliation_string":"Department of Mathematics, University of Central Florida, Orlando, FL, USA","institution_ids":["https://openalex.org/I106165777"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015547980","display_name":"Alexander A. Zamyatin","orcid":"https://orcid.org/0000-0001-7686-7426"},"institutions":[{"id":"https://openalex.org/I4210150981","display_name":"Toshiba (United States)","ror":"https://ror.org/051vpgk97","country_code":"US","type":"company","lineage":["https://openalex.org/I1292669757","https://openalex.org/I4210150981"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"A.A. Zamyatin","raw_affiliation_strings":["Toshiba Medical Research Institute USA, Inc., Vernon Hills, IL, USA"],"affiliations":[{"raw_affiliation_string":"Toshiba Medical Research Institute USA, Inc., Vernon Hills, IL, USA","institution_ids":["https://openalex.org/I4210150981"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109254349","display_name":"Michael Silver","orcid":null},"institutions":[{"id":"https://openalex.org/I4210150981","display_name":"Toshiba (United States)","ror":"https://ror.org/051vpgk97","country_code":"US","type":"company","lineage":["https://openalex.org/I1292669757","https://openalex.org/I4210150981"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"M.D. Silver","raw_affiliation_strings":["Toshiba Medical Research Institute USA, Inc., Vernon Hills, IL, USA"],"affiliations":[{"raw_affiliation_string":"Toshiba Medical Research Institute USA, Inc., Vernon Hills, IL, USA","institution_ids":["https://openalex.org/I4210150981"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5034138273"],"corresponding_institution_ids":["https://openalex.org/I106165777"],"apc_list":null,"apc_paid":null,"fwci":0.5056,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.71723489,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"28","issue":"7","first_page":"982","last_page":"990"},"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/T11183","display_name":"Advanced X-ray Imaging Techniques","score":0.9991000294685364,"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/T12386","display_name":"Advanced X-ray and CT Imaging","score":0.9990000128746033,"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/algorithm","display_name":"Algorithm","score":0.7132941484451294},{"id":"https://openalex.org/keywords/convolution","display_name":"Convolution (computer science)","score":0.6075562834739685},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.5663220882415771},{"id":"https://openalex.org/keywords/radon-transform","display_name":"Radon transform","score":0.540717601776123},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.46120163798332214},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.456554114818573},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4441812038421631},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.41804391145706177},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.27599674463272095},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.19068926572799683}],"concepts":[{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.7132941484451294},{"id":"https://openalex.org/C45347329","wikidata":"https://www.wikidata.org/wiki/Q5166604","display_name":"Convolution (computer science)","level":3,"score":0.6075562834739685},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.5663220882415771},{"id":"https://openalex.org/C197231052","wikidata":"https://www.wikidata.org/wiki/Q979829","display_name":"Radon transform","level":2,"score":0.540717601776123},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.46120163798332214},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.456554114818573},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4441812038421631},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.41804391145706177},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.27599674463272095},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.19068926572799683},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"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":"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":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D016477","descriptor_name":"Artifacts","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016477","descriptor_name":"Artifacts","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016477","descriptor_name":"Artifacts","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},{"descriptor_ui":"D019047","descriptor_name":"Phantoms, Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D054894","descriptor_name":"Spiral Cone-Beam Computed Tomography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D054894","descriptor_name":"Spiral Cone-Beam Computed Tomography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D054894","descriptor_name":"Spiral Cone-Beam Computed Tomography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false}],"locations_count":4,"locations":[{"id":"doi:10.1109/tmi.2008.2008961","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmi.2008.2008961","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:19211349","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/19211349","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:stars.library.ucf.edu:facultybib2000-2704","is_oa":true,"landing_page_url":"https://stars.library.ucf.edu/facultybib2000/1705","pdf_url":null,"source":{"id":"https://openalex.org/S4210172555","display_name":"Journal of International Crisis and Risk Communication Research","issn_l":"2576-0017","issn":["2576-0017","2576-0025"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Faculty Bibliography 2000s","raw_type":"text"},{"id":"pmh:oai:stars.library.ucf.edu:scopus2000-12795","is_oa":true,"landing_page_url":"https://stars.library.ucf.edu/scopus2000/11796","pdf_url":null,"source":{"id":"https://openalex.org/S4210172555","display_name":"Journal of International Crisis and Risk Communication Research","issn_l":"2576-0017","issn":["2576-0017","2576-0025"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Scopus Export 2000s","raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:stars.library.ucf.edu:facultybib2000-2704","is_oa":true,"landing_page_url":"https://stars.library.ucf.edu/facultybib2000/1705","pdf_url":null,"source":{"id":"https://openalex.org/S4210172555","display_name":"Journal of International Crisis and Risk Communication Research","issn_l":"2576-0017","issn":["2576-0017","2576-0025"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Faculty Bibliography 2000s","raw_type":"text"},"sustainable_development_goals":[{"score":0.4699999988079071,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1984049242","https://openalex.org/W2001721432","https://openalex.org/W2006461826","https://openalex.org/W2022147895","https://openalex.org/W2023749508","https://openalex.org/W2042455373","https://openalex.org/W2065720709","https://openalex.org/W2070187752","https://openalex.org/W2125162525","https://openalex.org/W2166070173"],"related_works":["https://openalex.org/W4231936369","https://openalex.org/W967573802","https://openalex.org/W3103782609","https://openalex.org/W2466075600","https://openalex.org/W2811038336","https://openalex.org/W4367628250","https://openalex.org/W3034789145","https://openalex.org/W4388819787","https://openalex.org/W383418545","https://openalex.org/W2079352884"],"abstract_inverted_index":{"We":[0],"propose":[1],"an":[2,39],"approximate":[3],"approach":[4],"to":[5,80,94],"use":[6],"redundant":[7],"data":[8],"outside":[9],"the":[10,14,27,42,56,70,107],"1PI":[11],"window":[12],"within":[13],"exact":[15,64],"Katsevich":[16,65],"reconstruction":[17],"framework.":[18],"The":[19],"proposed":[20,44,108],"algorithm":[21],"allows":[22],"a":[23,89],"flexible":[24],"selection":[25],"of":[26,41,59,73,106],"helical":[28],"pitch,":[29],"which":[30],"is":[31,38,52,77,85],"useful":[32],"for":[33],"clinical":[34],"applications.":[35],"Our":[36],"idea":[37],"extension":[40],"one":[43],"by":[45],"KOhler,":[46],"Bontus,":[47],"and":[48,102],"Koken":[49],"(2006).":[50],"It":[51],"based":[53,86],"on":[54,87],"optimizing":[55],"contribution":[57],"weights":[58],"convolution":[60],"families":[61],"used":[62],"in":[63],"3PI":[66],"algorithms,":[67],"so":[68],"that":[69],"total":[71],"weight":[72],"each":[74],"Radon":[75],"plane":[76],"as":[78,82],"close":[79],"1":[81],"possible.":[83],"Optimization":[84],"solving":[88],"least":[90],"squares":[91],"problem":[92],"subject":[93],"linear":[95],"constrains.":[96],"Numerical":[97],"evaluation":[98],"shows":[99],"good":[100],"noise":[101],"artifact":[103],"reduction":[104],"properties":[105],"algorithm.":[109]},"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
