{"id":"https://openalex.org/W2043533129","doi":"https://doi.org/10.1137/s0036139902417001","title":"Exploiting Symmetry in Fan Beam CT: Overcoming Third Generation Undersampling","display_name":"Exploiting Symmetry in Fan Beam CT: Overcoming Third Generation Undersampling","publication_year":2005,"publication_date":"2005-01-01","ids":{"openalex":"https://openalex.org/W2043533129","doi":"https://doi.org/10.1137/s0036139902417001","mag":"2043533129"},"language":"en","primary_location":{"id":"doi:10.1137/s0036139902417001","is_oa":false,"landing_page_url":"https://doi.org/10.1137/s0036139902417001","pdf_url":null,"source":{"id":"https://openalex.org/S77200987","display_name":"SIAM Journal on Applied Mathematics","issn_l":"0036-1399","issn":["0036-1399","1095-712X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320508","host_organization_name":"Society for Industrial and Applied Mathematics","host_organization_lineage":["https://openalex.org/P4310320508"],"host_organization_lineage_names":["Society for Industrial and Applied Mathematics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIAM Journal on Applied Mathematics","raw_type":"journal-article"},"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/A5072057057","display_name":"Steven H. Izen","orcid":"https://orcid.org/0000-0001-8293-6707"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Steven H. Izen","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062527090","display_name":"David P. Rohler","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"David P. Rohler","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5111735039","display_name":"Skorlupkin D.A.","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sastry KL A.","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5072057057"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7362,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.73686727,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"65","issue":"3","first_page":"1027","last_page":"1052"},"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/T12386","display_name":"Advanced X-ray and CT Imaging","score":0.9987000226974487,"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/T10844","display_name":"Radiation Dose and Imaging","score":0.9965000152587891,"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/undersampling","display_name":"Undersampling","score":0.9367166757583618},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.7308730483055115},{"id":"https://openalex.org/keywords/sample","display_name":"Sample (material)","score":0.5934339761734009},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5533299446105957},{"id":"https://openalex.org/keywords/beam","display_name":"Beam (structure)","score":0.532970666885376},{"id":"https://openalex.org/keywords/scanner","display_name":"Scanner","score":0.5250853300094604},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.5204389691352844},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.5161836743354797},{"id":"https://openalex.org/keywords/tomographic-reconstruction","display_name":"Tomographic reconstruction","score":0.5105858445167542},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.4839482605457306},{"id":"https://openalex.org/keywords/resolution","display_name":"Resolution (logic)","score":0.4767916202545166},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.46236684918403625},{"id":"https://openalex.org/keywords/reconstruction-algorithm","display_name":"Reconstruction algorithm","score":0.42980772256851196},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.4255518615245819},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.41307294368743896},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4008256494998932},{"id":"https://openalex.org/keywords/tomography","display_name":"Tomography","score":0.3854270577430725},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3130531907081604},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.25484710931777954},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.23246240615844727}],"concepts":[{"id":"https://openalex.org/C136536468","wikidata":"https://www.wikidata.org/wiki/Q1225894","display_name":"Undersampling","level":2,"score":0.9367166757583618},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.7308730483055115},{"id":"https://openalex.org/C198531522","wikidata":"https://www.wikidata.org/wiki/Q485146","display_name":"Sample (material)","level":2,"score":0.5934339761734009},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5533299446105957},{"id":"https://openalex.org/C168834538","wikidata":"https://www.wikidata.org/wiki/Q3705329","display_name":"Beam (structure)","level":2,"score":0.532970666885376},{"id":"https://openalex.org/C2779751349","wikidata":"https://www.wikidata.org/wiki/Q1474480","display_name":"Scanner","level":2,"score":0.5250853300094604},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5204389691352844},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.5161836743354797},{"id":"https://openalex.org/C97742081","wikidata":"https://www.wikidata.org/wiki/Q7820109","display_name":"Tomographic reconstruction","level":3,"score":0.5105858445167542},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.4839482605457306},{"id":"https://openalex.org/C138268822","wikidata":"https://www.wikidata.org/wiki/Q1051925","display_name":"Resolution (logic)","level":2,"score":0.4767916202545166},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.46236684918403625},{"id":"https://openalex.org/C2779898584","wikidata":"https://www.wikidata.org/wiki/Q7820109","display_name":"Reconstruction algorithm","level":3,"score":0.42980772256851196},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.4255518615245819},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41307294368743896},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4008256494998932},{"id":"https://openalex.org/C163716698","wikidata":"https://www.wikidata.org/wiki/Q841267","display_name":"Tomography","level":2,"score":0.3854270577430725},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3130531907081604},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.25484710931777954},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.23246240615844727},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1137/s0036139902417001","is_oa":false,"landing_page_url":"https://doi.org/10.1137/s0036139902417001","pdf_url":null,"source":{"id":"https://openalex.org/S77200987","display_name":"SIAM Journal on Applied Mathematics","issn_l":"0036-1399","issn":["0036-1399","1095-712X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320508","host_organization_name":"Society for Industrial and Applied Mathematics","host_organization_lineage":["https://openalex.org/P4310320508"],"host_organization_lineage_names":["Society for Industrial and Applied Mathematics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIAM Journal on Applied Mathematics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8199999928474426,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W183074132","https://openalex.org/W1512604557","https://openalex.org/W1963678586","https://openalex.org/W1988588397","https://openalex.org/W1992584674","https://openalex.org/W2002422940","https://openalex.org/W2058583833","https://openalex.org/W2065390928","https://openalex.org/W2068840292","https://openalex.org/W2075416285","https://openalex.org/W2078547733","https://openalex.org/W2125494265","https://openalex.org/W2152624551","https://openalex.org/W2169497732","https://openalex.org/W4241890468","https://openalex.org/W4299416517"],"related_works":["https://openalex.org/W3011226087","https://openalex.org/W2212041357","https://openalex.org/W2895530314","https://openalex.org/W3214931932","https://openalex.org/W1959447026","https://openalex.org/W2052082011","https://openalex.org/W2903019797","https://openalex.org/W2218273114","https://openalex.org/W2561482134","https://openalex.org/W4285251805"],"abstract_inverted_index":{"A":[0,43],"new":[1],"reconstruction":[2,8,47],"algorithm":[3,20,65],"is":[4,49],"presented":[5],"for":[6],"tomographic":[7],"from":[9,72],"fan":[10],"beam":[11,28],"data":[12],"acquired":[13],"with":[14,83],"a":[15,38,73],"quarter":[16],"detector":[17,61],"shift.":[18],"This":[19],"exploits":[21],"the":[22,26,32,46,53,60,79,84,88],"reflection":[23],"property":[24],"of":[25,45,55,87],"divergent":[27],"transform":[29],"by":[30,51],"representing":[31],"sample":[33,41,62],"and":[34],"reflected":[35],"points":[36],"as":[37],"discrete,":[39],"multichannel":[40],"set.":[42],"doubling":[44],"resolution":[48,81],"achieved":[50],"increasing":[52],"number":[54],"source":[56],"locations":[57],"without":[58],"changing":[59],"density.":[63],"The":[64],"can":[66],"be":[67],"used":[68],"to":[69],"reconstruct":[70],"images":[71],"third":[74],"generation":[75],"CT":[76],"scanner":[77],"at":[78],"maximum":[80],"consistent":[82],"frequency":[85],"characteristics":[86],"detector.":[89]},"counts_by_year":[{"year":2016,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
