{"id":"https://openalex.org/W4416343256","doi":"https://doi.org/10.1109/isbi61048.2026.11516068","title":"SplineSplat: 3D Ray Tracing for Higher-Quality Tomography","display_name":"SplineSplat: 3D Ray Tracing for Higher-Quality Tomography","publication_year":2026,"publication_date":"2026-04-08","ids":{"openalex":"https://openalex.org/W4416343256","doi":"https://doi.org/10.1109/isbi61048.2026.11516068"},"language":null,"primary_location":{"id":"doi:10.1109/isbi61048.2026.11516068","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isbi61048.2026.11516068","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 IEEE 23rd International Symposium on Biomedical Imaging (ISBI)","raw_type":"proceedings-article"},"type":"article","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2511.11078","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5106662248","display_name":"Youssef Haouchat","orcid":null},"institutions":[{"id":"https://openalex.org/I4210118047","display_name":"Laboratoire d\u2019Imagerie Biom\u00e9dicale","ror":"https://ror.org/02b9znm90","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I39804081","https://openalex.org/I4210096427","https://openalex.org/I4210118047"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"Youssef Haouchat","raw_affiliation_strings":["Biomedical Imaging Group"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Biomedical Imaging Group","institution_ids":["https://openalex.org/I4210118047"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011012105","display_name":"Sepand Kashani","orcid":"https://orcid.org/0000-0002-0735-371X"},"institutions":[{"id":"https://openalex.org/I4210133377","display_name":"Centre d'Imagerie BioMedicale","ror":"https://ror.org/03fw2bn12","country_code":"CH","type":"facility","lineage":["https://openalex.org/I4210133377"]},{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Sepand Kashani","raw_affiliation_strings":["EPFL,Center for Imaging,Lausanne,Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"EPFL,Center for Imaging,Lausanne,Switzerland","institution_ids":["https://openalex.org/I4210133377","https://openalex.org/I5124864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006812754","display_name":"Aleix Boquet-Pujadas","orcid":"https://orcid.org/0000-0002-3300-8004"},"institutions":[{"id":"https://openalex.org/I2802229908","display_name":"Paul Scherrer Institute","ror":"https://ror.org/03eh3y714","country_code":"CH","type":"facility","lineage":["https://openalex.org/I2799323385","https://openalex.org/I2802229908"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Aleix Boquet-Pujadas","raw_affiliation_strings":["Paul Scherrer Institute (PSI),Swiss Data Science Center,Villigen,Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Paul Scherrer Institute (PSI),Swiss Data Science Center,Villigen,Switzerland","institution_ids":["https://openalex.org/I2802229908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113663605","display_name":"P. Th\u00e9venaz","orcid":null},"institutions":[{"id":"https://openalex.org/I4210118047","display_name":"Laboratoire d\u2019Imagerie Biom\u00e9dicale","ror":"https://ror.org/02b9znm90","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I39804081","https://openalex.org/I4210096427","https://openalex.org/I4210118047"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Philippe Th\u00e9venaz","raw_affiliation_strings":["Biomedical Imaging Group"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Biomedical Imaging Group","institution_ids":["https://openalex.org/I4210118047"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027830035","display_name":"Micha\u00ebl Unser","orcid":"https://orcid.org/0000-0003-1248-2513"},"institutions":[{"id":"https://openalex.org/I4210118047","display_name":"Laboratoire d\u2019Imagerie Biom\u00e9dicale","ror":"https://ror.org/02b9znm90","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I39804081","https://openalex.org/I4210096427","https://openalex.org/I4210118047"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Michael Unser","raw_affiliation_strings":["Biomedical Imaging Group"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Biomedical Imaging Group","institution_ids":["https://openalex.org/I4210118047"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5106662248"],"corresponding_institution_ids":["https://openalex.org/I4210118047"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.00988668,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12923","display_name":"Digital Image Processing Techniques","score":0.28940001130104065,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12923","display_name":"Digital Image Processing Techniques","score":0.28940001130104065,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.2522999942302704,"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/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.12399999797344208,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/tomography","display_name":"Tomography","score":0.5864999890327454},{"id":"https://openalex.org/keywords/projection","display_name":"Projection (relational algebra)","score":0.5598000288009644},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.5246999859809875},{"id":"https://openalex.org/keywords/basis","display_name":"Basis (linear algebra)","score":0.4912000000476837},{"id":"https://openalex.org/keywords/basis-function","display_name":"Basis function","score":0.475600004196167},{"id":"https://openalex.org/keywords/tomographic-reconstruction","display_name":"Tomographic reconstruction","score":0.4729999899864197},{"id":"https://openalex.org/keywords/line","display_name":"Line (geometry)","score":0.4618000090122223},{"id":"https://openalex.org/keywords/volume","display_name":"Volume (thermodynamics)","score":0.4131999909877777}],"concepts":[{"id":"https://openalex.org/C163716698","wikidata":"https://www.wikidata.org/wiki/Q841267","display_name":"Tomography","level":2,"score":0.5864999890327454},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.5598000288009644},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5315999984741211},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.5246999859809875},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5024999976158142},{"id":"https://openalex.org/C12426560","wikidata":"https://www.wikidata.org/wiki/Q189569","display_name":"Basis (linear algebra)","level":2,"score":0.4912000000476837},{"id":"https://openalex.org/C5917680","wikidata":"https://www.wikidata.org/wiki/Q2621825","display_name":"Basis function","level":2,"score":0.475600004196167},{"id":"https://openalex.org/C97742081","wikidata":"https://www.wikidata.org/wiki/Q7820109","display_name":"Tomographic reconstruction","level":3,"score":0.4729999899864197},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4715000092983246},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.4618000090122223},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.45879998803138733},{"id":"https://openalex.org/C20556612","wikidata":"https://www.wikidata.org/wiki/Q4469374","display_name":"Volume (thermodynamics)","level":2,"score":0.4131999909877777},{"id":"https://openalex.org/C138673069","wikidata":"https://www.wikidata.org/wiki/Q322229","display_name":"Tracing","level":2,"score":0.35839998722076416},{"id":"https://openalex.org/C121483023","wikidata":"https://www.wikidata.org/wiki/Q7298343","display_name":"Ray tracing (physics)","level":2,"score":0.35740000009536743},{"id":"https://openalex.org/C135252773","wikidata":"https://www.wikidata.org/wiki/Q1567213","display_name":"Inverse problem","level":2,"score":0.34860000014305115},{"id":"https://openalex.org/C2779898584","wikidata":"https://www.wikidata.org/wiki/Q7820109","display_name":"Reconstruction algorithm","level":3,"score":0.34700000286102295},{"id":"https://openalex.org/C75023562","wikidata":"https://www.wikidata.org/wiki/Q467699","display_name":"Line integral","level":3,"score":0.3449999988079071},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3379000127315521},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.3319999873638153},{"id":"https://openalex.org/C2987509899","wikidata":"https://www.wikidata.org/wiki/Q768292","display_name":"Back projection","level":2,"score":0.32749998569488525},{"id":"https://openalex.org/C116321358","wikidata":"https://www.wikidata.org/wiki/Q1662063","display_name":"Industrial computed tomography","level":3,"score":0.26989999413490295},{"id":"https://openalex.org/C98856871","wikidata":"https://www.wikidata.org/wiki/Q1588488","display_name":"Radial basis function","level":3,"score":0.2590000033378601},{"id":"https://openalex.org/C160920958","wikidata":"https://www.wikidata.org/wiki/Q7662746","display_name":"Synthetic data","level":2,"score":0.2578999996185303},{"id":"https://openalex.org/C544519230","wikidata":"https://www.wikidata.org/wiki/Q32566","display_name":"Computed tomography","level":2,"score":0.25589999556541443}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/isbi61048.2026.11516068","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isbi61048.2026.11516068","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 IEEE 23rd International Symposium on Biomedical Imaging (ISBI)","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:2511.11078","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2511.11078","pdf_url":"https://arxiv.org/pdf/2511.11078","source":{"id":"https://openalex.org/S4393918464","display_name":"ArXiv.org","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2511.11078","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2511.11078","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2511.11078","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2511.11078","pdf_url":"https://arxiv.org/pdf/2511.11078","source":{"id":"https://openalex.org/S4393918464","display_name":"ArXiv.org","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5667051659","display_name":null,"funder_award_id":"ERC-2020-AdG FunLearn-101020573","funder_id":"https://openalex.org/F4320334678","funder_display_name":"European Research Council"},{"id":"https://openalex.org/G5997863950","display_name":null,"funder_award_id":"CRSII5_198569","funder_id":"https://openalex.org/F4320320924","funder_display_name":"Schweizerischer Nationalfonds zur F\u00f6rderung der Wissenschaftlichen Forschung"}],"funders":[{"id":"https://openalex.org/F4320320924","display_name":"Schweizerischer Nationalfonds zur F\u00f6rderung der Wissenschaftlichen Forschung","ror":"https://ror.org/00yjd3n13"},{"id":"https://openalex.org/F4320334678","display_name":"European Research Council","ror":"https://ror.org/0472cxd90"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"We":[0,78],"propose":[1,25],"a":[2,10,15,26,46],"method":[3],"to":[4],"efficiently":[5],"compute":[6],"tomographic":[7],"projections":[8],"of":[9,18,39,42,53],"3D":[11,31],"volume":[12],"represented":[13],"by":[14],"linear":[16],"combination":[17],"shifted":[19],"B-splines.":[20],"To":[21],"do":[22],"so,":[23],"we":[24,61],"ray-tracing":[27],"algorithm":[28,44],"that":[29,49],"computes":[30,50],"line":[32],"integrals":[33],"with":[34],"arbitrary":[35],"projection":[36],"geometries.":[37],"One":[38],"the":[40,51,54,66,74],"components":[41],"our":[43,59],"is":[45],"neural":[47],"network":[48],"contribution":[52],"basis":[55],"functions":[56],"efficiently.":[57],"In":[58],"experiments,":[60],"consider":[62],"well-posed":[63],"cases":[64],"where":[65],"data":[67],"are":[68],"sufficient":[69],"for":[70,76],"accurate":[71],"reconstruction":[72,81],"without":[73],"need":[75],"regularization.":[77],"achieve":[79],"higher":[80],"quality":[82],"than":[83],"traditional":[84],"voxel-based":[85],"methods.":[86]},"counts_by_year":[],"updated_date":"2026-05-22T06:13:13.366637","created_date":"2025-11-18T00:00:00"}
