{"id":"https://openalex.org/W3011658837","doi":"https://doi.org/10.1117/12.2549710","title":"Multi-slot extended view imaging on the O-Arm: image quality and application to intraoperative assessment of spinal morphology","display_name":"Multi-slot extended view imaging on the O-Arm: image quality and application to intraoperative assessment of spinal morphology","publication_year":2020,"publication_date":"2020-03-16","ids":{"openalex":"https://openalex.org/W3011658837","doi":"https://doi.org/10.1117/12.2549710","mag":"3011658837"},"language":"en","primary_location":{"id":"doi:10.1117/12.2549710","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2549710","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Medical Imaging 2020: Image-Guided Procedures, Robotic Interventions, and Modeling","raw_type":"proceedings-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/A5100712575","display_name":"Xiaoxuan Zhang","orcid":"https://orcid.org/0000-0003-0365-6833"},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Xiaoxuan Zhang","raw_affiliation_strings":["Johns Hopkins Univ. (United States)"],"affiliations":[{"raw_affiliation_string":"Johns Hopkins Univ. (United States)","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089623752","display_name":"Ali Uneri","orcid":"https://orcid.org/0000-0003-3419-1805"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ali Uneri","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058183994","display_name":"Pengwei Wu","orcid":"https://orcid.org/0000-0002-2412-3043"},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Pengwei Wu","raw_affiliation_strings":["Johns Hopkins Univ. (United States)"],"affiliations":[{"raw_affiliation_string":"Johns Hopkins Univ. (United States)","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044627248","display_name":"Michael D. Ketcha","orcid":"https://orcid.org/0000-0003-0621-183X"},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Michael D. Ketcha","raw_affiliation_strings":["Johns Hopkins Univ. (United States)"],"affiliations":[{"raw_affiliation_string":"Johns Hopkins Univ. (United States)","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007463972","display_name":"Sophia A. Doerr","orcid":"https://orcid.org/0000-0003-0278-8439"},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sophia A. Doerr","raw_affiliation_strings":["Johns Hopkins Univ. (United States)"],"affiliations":[{"raw_affiliation_string":"Johns Hopkins Univ. (United States)","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018714925","display_name":"Craig Jones","orcid":"https://orcid.org/0000-0002-0629-3006"},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Craig K. Jones","raw_affiliation_strings":["Johns Hopkins Univ. (United States)"],"affiliations":[{"raw_affiliation_string":"Johns Hopkins Univ. (United States)","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081877123","display_name":"Patrick A. Helm","orcid":"https://orcid.org/0009-0009-3734-4951"},"institutions":[{"id":"https://openalex.org/I4210091810","display_name":"Medtronic (United States)","ror":"https://ror.org/00grd1h17","country_code":"US","type":"company","lineage":["https://openalex.org/I4210091810"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Patrick A. Helm","raw_affiliation_strings":["Medtronic, Inc. (United States)"],"affiliations":[{"raw_affiliation_string":"Medtronic, Inc. (United States)","institution_ids":["https://openalex.org/I4210091810"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068070550","display_name":"Jeffrey H. Siewerdsen","orcid":"https://orcid.org/0000-0001-6644-1317"},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jeffrey H. Siewerdsen","raw_affiliation_strings":["Johns Hopkins Medical Institute (United States)","Johns Hopkins Univ. (United States)"],"affiliations":[{"raw_affiliation_string":"Johns Hopkins Medical Institute (United States)","institution_ids":[]},{"raw_affiliation_string":"Johns Hopkins Univ. (United States)","institution_ids":["https://openalex.org/I145311948"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5100712575"],"corresponding_institution_ids":["https://openalex.org/I145311948"],"apc_list":null,"apc_paid":null,"fwci":0.3433,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.53364635,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"76","last_page":"76"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T14510","display_name":"Medical Imaging and Analysis","score":0.9991000294685364,"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"}},"topics":[{"id":"https://openalex.org/T14510","display_name":"Medical Imaging and Analysis","score":0.9991000294685364,"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/T10776","display_name":"Spinal Fractures and Fixation Techniques","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T10238","display_name":"Spine and Intervertebral Disc Pathology","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/2734","display_name":"Pathology and Forensic Medicine"},"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/imaging-phantom","display_name":"Imaging phantom","score":0.7750409841537476},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6180681586265564},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5940796732902527},{"id":"https://openalex.org/keywords/image-quality","display_name":"Image quality","score":0.5872569680213928},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5140150785446167},{"id":"https://openalex.org/keywords/translation","display_name":"Translation (biology)","score":0.5095308423042297},{"id":"https://openalex.org/keywords/distortion","display_name":"Distortion (music)","score":0.5071282386779785},{"id":"https://openalex.org/keywords/field-of-view","display_name":"Field of view","score":0.4924639165401459},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.4919717013835907},{"id":"https://openalex.org/keywords/curvature","display_name":"Curvature","score":0.4768867790699005},{"id":"https://openalex.org/keywords/visualization","display_name":"Visualization","score":0.4469816982746124},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.28018128871917725},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.2793866991996765},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20442208647727966},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.1631372570991516},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.10240784287452698}],"concepts":[{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.7750409841537476},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6180681586265564},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5940796732902527},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.5872569680213928},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5140150785446167},{"id":"https://openalex.org/C149364088","wikidata":"https://www.wikidata.org/wiki/Q185917","display_name":"Translation (biology)","level":4,"score":0.5095308423042297},{"id":"https://openalex.org/C126780896","wikidata":"https://www.wikidata.org/wiki/Q899871","display_name":"Distortion (music)","level":4,"score":0.5071282386779785},{"id":"https://openalex.org/C150627866","wikidata":"https://www.wikidata.org/wiki/Q1076893","display_name":"Field of view","level":2,"score":0.4924639165401459},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.4919717013835907},{"id":"https://openalex.org/C195065555","wikidata":"https://www.wikidata.org/wiki/Q214881","display_name":"Curvature","level":2,"score":0.4768867790699005},{"id":"https://openalex.org/C36464697","wikidata":"https://www.wikidata.org/wiki/Q451553","display_name":"Visualization","level":2,"score":0.4469816982746124},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.28018128871917725},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2793866991996765},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20442208647727966},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.1631372570991516},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.10240784287452698},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.0},{"id":"https://openalex.org/C105580179","wikidata":"https://www.wikidata.org/wiki/Q188928","display_name":"Messenger RNA","level":3,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1117/12.2549710","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.2549710","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Medical Imaging 2020: Image-Guided Procedures, Robotic Interventions, and Modeling","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2015071354","https://openalex.org/W2047952491","https://openalex.org/W2062195871","https://openalex.org/W2073031339","https://openalex.org/W4391915433","https://openalex.org/W2061271245","https://openalex.org/W2365285804","https://openalex.org/W2604710047","https://openalex.org/W2620851791","https://openalex.org/W2144778520"],"abstract_inverted_index":{"<strong>Purpose.</strong>":[0],"Surgical":[1],"treatment":[2],"of":[3,47,80,101,134,146,156,186,218,262,282,287,314,328,339,350],"spinal":[4,14,31,158,315],"deformity":[5,316],"often":[6],"seeks":[7],"to":[8,26,74,125,142,172,177,252,274],"achieve":[9],"a":[10,44,52,94,183,260,275,306,322],"given":[11],"change":[12],"in":[13,30,33,120,148,161,199,204,269,353],"curvature":[15,32],"for":[16,69,109,154,224,285,309,332],"the":[17,34,60,81,91,102,128,144,152,162,211,227,233,243,254,293],"desired":[18],"surgical":[19,85,351,355],"outcome.":[20],"However,":[21],"it":[22],"can":[23],"be":[24],"difficult":[25],"reliably":[27],"evaluate":[28],"changes":[29],"operating":[35,163],"room":[36],"based":[37,241],"on":[38,59,90,242],"qualitative":[39],"evaluation":[40,286],"or":[41],"radiographs":[42],"covering":[43],"limited":[45],"field":[46],"view":[48,71],"(FOV).":[49],"We":[50],"report":[51],"prototype":[53],"beam":[54],"filtration":[55],"hardware":[56],"configuration":[57],"constructed":[58],"O-arm":[61,92],"imaging":[62,73,89,167,303,341],"system":[63,245],"and":[64,83,98,115,122,131,151,189,230,247,278,296,312,325,330,348],"an":[65],"image":[66,111,180,220,271],"reconstruction":[67,181],"algorithm":[68,106],"extended":[70],"(EV)":[72],"enable":[75],"such":[76],"clear,":[77],"long-length":[78],"visualization":[79,147,281,311,320],"spine":[82],"long":[84,323,354],"constructs.":[86,356],"<strong>Methods.</strong>":[87],"EV":[88,110,149,166,179,219,264,302,340],"involves":[93,337],"novel":[95],"multi-slot":[96,301],"collimator":[97],"longitudinal":[99],"translation":[100],"gantry.":[103],"A":[104,137],"weighted-backprojection":[105],"was":[107,118,140,222,236],"developed":[108],"reconstruction.":[112],"Image":[113],"quality":[114,145,272],"geometric":[116,135,216],"accuracy":[117,217],"evaluated":[119],"simulation":[121],"phantom":[123,194],"studies":[124],"quantitatively":[126],"characterize":[127],"depth":[129,187],"resolution":[130,188],"potential":[132,153],"sources":[133],"distortion.":[136],"cadaver":[138],"study":[139,195],"conducted":[141],"verify":[143],"images":[150,169,265],"measurement":[155,327],"global":[157],"alignment":[159],"(GSA)":[160],"room.":[164],"<strong>Results.</strong>":[165],"provided":[168,279],"spanning":[170],"up":[171],"65":[173],"cm":[174,209],"length.":[175],"Analogous":[176],"tomosynthesis,":[178],"provides":[182],"modest":[184],"degree":[185],"out-of-plane":[190],"clutter":[191],"rejection.":[192],"The":[193,215,300],"presenting":[196],"highcontrast":[197],"spheres":[198],"foam-core":[200],"exhibited":[201],"~11%":[202],"reduction":[203],"signal":[205],"magnitude":[206],"at":[207,226,292],"60":[208],"from":[210],"specified":[212],"focal":[213,228,234],"plane.":[214],"reconstructions":[221],"high":[223],"objects":[225],"plane,":[229],"distortion":[231],"outside":[232],"plane":[235],"accurately":[237],"described":[238],"by":[239,257],"predictions":[240],"known":[244],"geometry":[246],"object":[248],"location.":[249],"In":[250],"addition":[251],"extending":[253],"FOV":[255,324],"length":[256],"more":[258],"than":[259],"factor":[261],"3,":[263],"demonstrated":[266],"strong":[267],"improvement":[268],"visual":[270],"compared":[273],"plain":[276],"radiograph,":[277],"clear":[280],"structures":[283],"necessary":[284],"GSA\u2013":[288],"e.g.,":[289],"vertebral":[290,344],"endplates":[291],"cervical-thoracic,":[294],"thoraco-lumbar,":[295],"lumbar-sacral":[297],"junctions.":[298],"<strong>Conclusions.</strong>":[299],"technique":[304],"offers":[305],"promising":[307],"means":[308],"intraoperative":[310],"assessment":[313],"correction":[317],"through":[318],"improved":[319],"over":[321],"accurate":[326],"distance":[329],"angles":[331],"GSA":[333,346],"analysis.":[334],"Future":[335],"work":[336],"integration":[338],"with":[342],"automated":[343],"labeling,":[345],"analysis,":[347],"registration":[349],"instrumentation":[352]},"counts_by_year":[{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}