{"id":"https://openalex.org/W4365790492","doi":"https://doi.org/10.1109/access.2023.3266989","title":"Projection Matrix Based Iterative Reconstruction Algorithm for Robotic CT","display_name":"Projection Matrix Based Iterative Reconstruction Algorithm for Robotic CT","publication_year":2023,"publication_date":"2023-01-01","ids":{"openalex":"https://openalex.org/W4365790492","doi":"https://doi.org/10.1109/access.2023.3266989"},"language":"en","primary_location":{"id":"doi:10.1109/access.2023.3266989","is_oa":true,"landing_page_url":"http://dx.doi.org/10.1109/access.2023.3266989","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/10101782.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/10101782.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5060531217","display_name":"Xuan Zhou","orcid":"https://orcid.org/0000-0003-3679-4933"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137180","display_name":"Institute of High Energy Physics","ror":"https://ror.org/03v8tnc06","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137180"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xuan Zhou","raw_affiliation_strings":["Beijing Engineering Research Center of Radiographic Techniques and Equipment, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China","School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing, China","Institute of High Energy Physics, Beijing Engineering Research Center of Radiographic Techniques and Equipment, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-3679-4933","affiliations":[{"raw_affiliation_string":"Beijing Engineering Research Center of Radiographic Techniques and Equipment, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137180"]},{"raw_affiliation_string":"School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Institute of High Energy Physics, Beijing Engineering Research Center of Radiographic Techniques and Equipment, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137180"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101953100","display_name":"Qiong Xu","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137180","display_name":"Institute of High Energy Physics","ror":"https://ror.org/03v8tnc06","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137180"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiong Xu","raw_affiliation_strings":["Beijing Engineering Research Center of Radiographic Techniques and Equipment, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China","Jinan Laboratory of Applied Nuclear Science, Jinan, China","Institute of High Energy Physics, Beijing Engineering Research Center of Radiographic Techniques and Equipment, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-8525-1700","affiliations":[{"raw_affiliation_string":"Beijing Engineering Research Center of Radiographic Techniques and Equipment, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137180"]},{"raw_affiliation_string":"Jinan Laboratory of Applied Nuclear Science, Jinan, China","institution_ids":[]},{"raw_affiliation_string":"Institute of High Energy Physics, Beijing Engineering Research Center of Radiographic Techniques and Equipment, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137180"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071230176","display_name":"Cunfeng Wei","orcid":"https://orcid.org/0000-0001-7686-9587"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210137180","display_name":"Institute of High Energy Physics","ror":"https://ror.org/03v8tnc06","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137180"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Cunfeng Wei","raw_affiliation_strings":["Beijing Engineering Research Center of Radiographic Techniques and Equipment, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China","School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing, China","Jinan Laboratory of Applied Nuclear Science, Jinan, China","Institute of High Energy Physics, Beijing Engineering Research Center of Radiographic Techniques and Equipment, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Engineering Research Center of Radiographic Techniques and Equipment, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137180"]},{"raw_affiliation_string":"School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Jinan Laboratory of Applied Nuclear Science, Jinan, China","institution_ids":[]},{"raw_affiliation_string":"Institute of High Energy Physics, Beijing Engineering Research Center of Radiographic Techniques and Equipment, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137180"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5060531217"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137180","https://openalex.org/I4210165038"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.14634324,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"11","issue":null,"first_page":"37525","last_page":"37534"},"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":0.9997000098228455,"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/T10358","display_name":"Advanced Radiotherapy Techniques","score":0.9973999857902527,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.665160596370697},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6071034669876099},{"id":"https://openalex.org/keywords/essential-matrix","display_name":"Essential matrix","score":0.5941171646118164},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5808104276657104},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.549115777015686},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.5424490571022034},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.4930972754955292},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.4868139922618866},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.47523191571235657},{"id":"https://openalex.org/keywords/transformation-matrix","display_name":"Transformation matrix","score":0.4625647962093353},{"id":"https://openalex.org/keywords/rotation","display_name":"Rotation (mathematics)","score":0.4550533890724182},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3998333811759949},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3779504597187042},{"id":"https://openalex.org/keywords/state-transition-matrix","display_name":"State-transition matrix","score":0.2852236032485962},{"id":"https://openalex.org/keywords/kinematics","display_name":"Kinematics","score":0.27382785081863403},{"id":"https://openalex.org/keywords/symmetric-matrix","display_name":"Symmetric matrix","score":0.1786346733570099}],"concepts":[{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.665160596370697},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6071034669876099},{"id":"https://openalex.org/C49996920","wikidata":"https://www.wikidata.org/wiki/Q17089185","display_name":"Essential matrix","level":5,"score":0.5941171646118164},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5808104276657104},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.549115777015686},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.5424490571022034},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.4930972754955292},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.4868139922618866},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.47523191571235657},{"id":"https://openalex.org/C165443888","wikidata":"https://www.wikidata.org/wiki/Q1482183","display_name":"Transformation matrix","level":3,"score":0.4625647962093353},{"id":"https://openalex.org/C74050887","wikidata":"https://www.wikidata.org/wiki/Q848368","display_name":"Rotation (mathematics)","level":2,"score":0.4550533890724182},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3998333811759949},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3779504597187042},{"id":"https://openalex.org/C22629506","wikidata":"https://www.wikidata.org/wiki/Q7602993","display_name":"State-transition matrix","level":4,"score":0.2852236032485962},{"id":"https://openalex.org/C39920418","wikidata":"https://www.wikidata.org/wiki/Q11476","display_name":"Kinematics","level":2,"score":0.27382785081863403},{"id":"https://openalex.org/C54848796","wikidata":"https://www.wikidata.org/wiki/Q339011","display_name":"Symmetric matrix","level":3,"score":0.1786346733570099},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","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/access.2023.3266989","is_oa":true,"landing_page_url":"http://dx.doi.org/10.1109/access.2023.3266989","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/10101782.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:478314a85c404959aca079a3a47a43d8","is_oa":true,"landing_page_url":"https://doaj.org/article/478314a85c404959aca079a3a47a43d8","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 11, Pp 37525-37534 (2023)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2023.3266989","is_oa":true,"landing_page_url":"http://dx.doi.org/10.1109/access.2023.3266989","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/10101782.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1298747770","display_name":null,"funder_award_id":"12175267","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4354898466","display_name":null,"funder_award_id":"11975250","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8158224282","display_name":null,"funder_award_id":"No. 11975250","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4365790492.pdf","grobid_xml":"https://content.openalex.org/works/W4365790492.grobid-xml"},"referenced_works_count":21,"referenced_works":["https://openalex.org/W319611471","https://openalex.org/W1963659938","https://openalex.org/W2019233646","https://openalex.org/W2052562004","https://openalex.org/W2053476906","https://openalex.org/W2059047366","https://openalex.org/W2064950471","https://openalex.org/W2074878672","https://openalex.org/W2105019148","https://openalex.org/W2152378099","https://openalex.org/W2159015910","https://openalex.org/W2167851738","https://openalex.org/W2320289332","https://openalex.org/W2543957864","https://openalex.org/W2743351583","https://openalex.org/W2789832316","https://openalex.org/W2807018616","https://openalex.org/W2900388973","https://openalex.org/W3184053746","https://openalex.org/W4306247397","https://openalex.org/W4306659141"],"related_works":["https://openalex.org/W2004988775","https://openalex.org/W2107386309","https://openalex.org/W2545869789","https://openalex.org/W2141090006","https://openalex.org/W1964555484","https://openalex.org/W3048932468","https://openalex.org/W4390725214","https://openalex.org/W2148504016","https://openalex.org/W2122928074","https://openalex.org/W2105065326"],"abstract_inverted_index":{"Robotic":[0],"computed":[1],"tomography":[2],"(CT)":[3],"consists":[4],"of":[5,24,32,59,84,116,158],"two":[6],"separate":[7],"manipulators":[8],"which":[9,27,62,99],"carry":[10],"the":[11,56,67,114,121],"source":[12],"and":[13,69,133,136,150,154,163,173],"detector,":[14],"respectively.":[15],"Various":[16],"errors":[17],"occur":[18],"in":[19,66,161],"motion":[20,162,165,200],"due":[21],"to":[22,119,195],"lack":[23],"rigid":[25],"connection,":[26],"may":[28],"change":[29],"scanning":[30,51,97,104],"trajectory":[31],"this":[33,107,124,204],"system.":[34],"Some":[35],"methods":[36,46],"aimed":[37],"at":[38],"recovering":[39],"geometry":[40,60,71],"relation":[41],"have":[42],"occurred.":[43],"However,":[44],"these":[45],"are":[47],"relied":[48],"on":[49,96],"circular":[50],"trajectory.":[52],"Projection":[53,141],"matrix":[54,57,68,75,118,132,142,189],"is":[55,78,100],"form":[58],"definition,":[61],"contains":[63],"geometric":[64],"parameters":[65],"transforms":[70],"calculation":[72],"into":[73],"homogeneous":[74],"calculation.":[76],"It":[77],"suitable":[79,101],"for":[80,102,211],"robotic":[81,212],"CT":[82],"because":[83],"its":[85],"irrelevance":[86],"between":[87,130],"angles.":[88],"Besides,":[89],"iteration":[90,110],"reconstruction":[91,111,145,192,209],"algorithm":[92,112,146],"makes":[93],"no":[94],"assumptions":[95],"trajectories,":[98],"arbitrary":[103],"trajectories.":[105],"Hence,":[106],"study":[108,205],"combines":[109],"with":[113],"concept":[115],"projection":[117,131,139,170,174,188],"fill":[120],"gap.":[122],"In":[123,202],"study,":[125],"we":[126],"established":[127],"a":[128,207],"transformation":[129],"ray":[134],"function,":[135],"construct":[137],"corresponding":[138],"model.":[140],"based":[143,190],"iterative":[144,176,191],"was":[147],"then":[148],"developed":[149],"validated":[151],"by":[152],"simulation":[153],"experiment.":[155],"Uncooperative":[156],"rotation":[157],"manipulators,":[159],"jitter":[160],"non-circular":[164],"trajectories":[166],"were":[167,178,182],"simulated.":[168],"FDK,":[169],"matrix-based":[171,175],"FDK":[172],"method":[177],"compared.":[179],"Real":[180],"experiments":[181],"also":[183],"conducted.":[184],"The":[185],"results":[186],"showed":[187],"could":[193],"lead":[194],"better":[196],"image":[197],"quality":[198],"against":[199],"error.":[201],"summary,":[203],"provided":[206],"high-precision":[208],"approach":[210],"CT.":[213]},"counts_by_year":[],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}