{"id":"https://openalex.org/W4412488131","doi":"https://doi.org/10.1109/tmi.2025.3589946","title":"Ray-Bundle-Based X-Ray Representation and Reconstruction: An Alternative to Classic Tomography on Voxelized Volumes","display_name":"Ray-Bundle-Based X-Ray Representation and Reconstruction: An Alternative to Classic Tomography on Voxelized Volumes","publication_year":2025,"publication_date":"2025-07-16","ids":{"openalex":"https://openalex.org/W4412488131","doi":"https://doi.org/10.1109/tmi.2025.3589946","pmid":"https://pubmed.ncbi.nlm.nih.gov/40668706"},"language":"en","primary_location":{"id":"doi:10.1109/tmi.2025.3589946","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmi.2025.3589946","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://escholarship.org/content/qt5fw4b44x/qt5fw4b44x.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5046558419","display_name":"Yuanwei He","orcid":"https://orcid.org/0000-0003-2147-9973"},"institutions":[{"id":"https://openalex.org/I161318765","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Yuanwei He","raw_affiliation_strings":["Department of Radiation Oncology, University of California, Los Angeles, CA, USA"],"raw_orcid":"https://orcid.org/0000-0003-2147-9973","affiliations":[{"raw_affiliation_string":"Department of Radiation Oncology, University of California, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I161318765"]}]},{"author_position":"last","author":{"id":null,"display_name":"Dan Ruan","orcid":"https://orcid.org/0000-0003-3400-7684"},"institutions":[{"id":"https://openalex.org/I161318765","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Dan Ruan","raw_affiliation_strings":["Department of Radiation Oncology, University of California, Los Angeles, CA, USA"],"raw_orcid":"https://orcid.org/0000-0003-3400-7684","affiliations":[{"raw_affiliation_string":"Department of Radiation Oncology, University of California, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I161318765"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5046558419"],"corresponding_institution_ids":["https://openalex.org/I161318765"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.24745175,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"44","issue":"12","first_page":"5128","last_page":"5141"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9976000189781189,"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/T11361","display_name":"Digital Radiography and Breast Imaging","score":0.9972000122070312,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory 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/projection","display_name":"Projection (relational algebra)","score":0.6394308805465698},{"id":"https://openalex.org/keywords/intersection","display_name":"Intersection (aeronautics)","score":0.5491981506347656},{"id":"https://openalex.org/keywords/interpolation","display_name":"Interpolation (computer graphics)","score":0.5431763529777527},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5122372508049011},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.49023133516311646},{"id":"https://openalex.org/keywords/cartesian-coordinate-system","display_name":"Cartesian coordinate system","score":0.4838106036186218},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4785221815109253},{"id":"https://openalex.org/keywords/discretization","display_name":"Discretization","score":0.46303117275238037},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.4565013349056244},{"id":"https://openalex.org/keywords/tomography","display_name":"Tomography","score":0.4346192479133606},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.40122148394584656},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.3466458320617676},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3448367714881897},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3181201219558716},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.21513906121253967},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.1757873296737671},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1644836664199829},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.1446886658668518}],"concepts":[{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.6394308805465698},{"id":"https://openalex.org/C64543145","wikidata":"https://www.wikidata.org/wiki/Q162942","display_name":"Intersection (aeronautics)","level":2,"score":0.5491981506347656},{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.5431763529777527},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5122372508049011},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.49023133516311646},{"id":"https://openalex.org/C16038011","wikidata":"https://www.wikidata.org/wiki/Q62912","display_name":"Cartesian coordinate system","level":2,"score":0.4838106036186218},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4785221815109253},{"id":"https://openalex.org/C73000952","wikidata":"https://www.wikidata.org/wiki/Q17007827","display_name":"Discretization","level":2,"score":0.46303117275238037},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.4565013349056244},{"id":"https://openalex.org/C163716698","wikidata":"https://www.wikidata.org/wiki/Q841267","display_name":"Tomography","level":2,"score":0.4346192479133606},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.40122148394584656},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.3466458320617676},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3448367714881897},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3181201219558716},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.21513906121253967},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.1757873296737671},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1644836664199829},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.1446886658668518},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","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":"D006801","descriptor_name":"Humans","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":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"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":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D014057","descriptor_name":"Tomography, X-Ray Computed","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"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}],"locations_count":4,"locations":[{"id":"doi:10.1109/tmi.2025.3589946","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmi.2025.3589946","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:40668706","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/40668706","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:escholarship.org:ark:/13030/qt5fw4b44x","is_oa":true,"landing_page_url":"https://escholarship.org/uc/item/5fw4b44x","pdf_url":"https://escholarship.org/content/qt5fw4b44x/qt5fw4b44x.pdf","source":{"id":"https://openalex.org/S4306400115","display_name":"eScholarship (California Digital Library)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2801248553","host_organization_name":"California Digital Library","host_organization_lineage":["https://openalex.org/I2801248553"],"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":null,"raw_type":"article"},{"id":"pmh:ark:/13030/qt5fw4b44x","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:escholarship.org:ark:/13030/qt5fw4b44x","is_oa":true,"landing_page_url":"https://escholarship.org/uc/item/5fw4b44x","pdf_url":"https://escholarship.org/content/qt5fw4b44x/qt5fw4b44x.pdf","source":{"id":"https://openalex.org/S4306400115","display_name":"eScholarship (California Digital Library)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2801248553","host_organization_name":"California Digital Library","host_organization_lineage":["https://openalex.org/I2801248553"],"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":null,"raw_type":"article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4412488131.pdf","grobid_xml":"https://content.openalex.org/works/W4412488131.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2006251942","https://openalex.org/W2364741597","https://openalex.org/W1492103595","https://openalex.org/W1864774435","https://openalex.org/W946352265","https://openalex.org/W3020787026","https://openalex.org/W2334479858","https://openalex.org/W2793786119","https://openalex.org/W1507702947","https://openalex.org/W2022062253"],"abstract_inverted_index":{"Tomography":[0],"recovers":[1],"internal":[2],"volume":[3,56,69,101,127],"from":[4,68],"projection":[5,38,62],"measurements.":[6],"Formulated":[7],"as":[8,57,63,84,92,128],"inverse":[9],"problems,":[10],"classic":[11],"computed":[12],"tomography":[13],"generally":[14],"reconstructs":[15],"attenuation":[16,135],"property":[17],"in":[18,98,238],"a":[19,49,64,129],"preset":[20],"cartesian":[21],"grid":[22],"coordinate.":[23,88],"While":[24],"this":[25,142,189],"is":[26,115,163],"intuitive":[27],"and":[28,40,44,59,103,137,147,185,221,223],"convenient":[29],"for":[30,151,197],"digital":[31,43],"display,":[32],"such":[33],"discretization":[34],"leads":[35],"to":[36,70,134,166,178,182,192],"forward-backward":[37],"inconsistency,":[39],"discrepancy":[41],"between":[42],"effective":[45],"resolution.":[46],"We":[47,187,200],"take":[48],"different":[50],"perspective":[51],"by":[52,105],"considering":[53],"the":[54,99,126,149,171,234],"image":[55],"continuous":[58,100],"modelling":[60],"forward":[61],"hybrid":[65],"continuous-to-discrete":[66],"mapping":[67,131],"detector":[71],"elements,":[72],"which":[73],"we":[74],"call":[75,188],"\"ray":[76],"bundles\".":[77],"The":[78],"ray":[79,96,139,172],"bundle":[80,140],"can":[81],"be":[82],"regarded":[83],"an":[85,119,224],"unconventional":[86],"heterogenous":[87,183],"Projections":[89],"are":[90],"modeled":[91],"line":[93],"integrations":[94],"along":[95,170],"bundles":[97,196],"space":[102],"approximated":[104],"numerical":[106],"integration":[107],"using":[108],"customized":[109],"sample":[110],"points.":[111],"This":[112],"modeling":[113],"approach":[114,143],"conveniently":[116],"supported":[117],"with":[118,212,218,227],"implicit":[120],"neural":[121],"representation":[122],"approach.":[123],"By":[124],"representing":[125],"function":[130],"spatial":[132],"coordinates":[133],"properties":[136],"leveraging":[138],"projection,":[141],"reflects":[144],"transmission":[145],"physics":[146],"eliminates":[148],"need":[150],"explicit":[152],"interpolation,":[153],"intersection":[154],"calculations,":[155],"or":[156],"matrix":[157],"inversions.":[158],"A":[159],"novel":[160],"sampling":[161],"strategy":[162],"further":[164],"developed":[165],"adaptively":[167],"distribute":[168],"points":[169],"bundles,":[173],"emphasizing":[174],"high":[175],"gradient":[176],"regions":[177],"allocate":[179],"computational":[180],"resources":[181],"structures":[184],"details.":[186],"system":[190],"T-ReX":[191,202,237],"indicate":[193],"Transmission":[194],"Ray":[195],"X-ray":[198,241],"geometry.":[199],"validate":[201],"through":[203],"comprehensive":[204],"experiments":[205],"across":[206],"three":[207],"scenarios:":[208],"simulated":[209,219],"full-fan":[210],"projections":[211],"primary":[213],"signal":[214],"only,":[215],"half-fan":[216],"setups":[217],"scatter":[220],"noise,":[222],"in-house":[225],"dataset":[226],"realistic":[228],"acquisition":[229],"conditions.":[230],"These":[231],"results":[232],"highlight":[233],"effectiveness":[235],"of":[236],"sparse":[239],"view":[240],"tomography.":[242]},"counts_by_year":[],"updated_date":"2025-12-22T23:10:17.713674","created_date":"2025-10-10T00:00:00"}