{"id":"https://openalex.org/W7134230748","doi":"https://doi.org/10.1137/25m1742242","title":"Accurate, Provable, and Fast Polychromatic Tomographic Reconstruction: A Variational Inequality Approach","display_name":"Accurate, Provable, and Fast Polychromatic Tomographic Reconstruction: A Variational Inequality Approach","publication_year":2026,"publication_date":"2026-03-09","ids":{"openalex":"https://openalex.org/W7134230748","doi":"https://doi.org/10.1137/25m1742242"},"language":"en","primary_location":{"id":"doi:10.1137/25m1742242","is_oa":false,"landing_page_url":"https://doi.org/10.1137/25m1742242","pdf_url":null,"source":{"id":"https://openalex.org/S152600803","display_name":"SIAM Journal on Imaging Sciences","issn_l":"1936-4954","issn":["1936-4954"],"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 Imaging Sciences","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":null,"display_name":"Mengqi Lou","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Mengqi Lou","raw_affiliation_strings":["Georgia Institute of Technology, School of Industrial and Systems Engineering, Atlanta GA USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Georgia Institute of Technology, School of Industrial and Systems Engineering, Atlanta GA USA","institution_ids":[]}]},{"author_position":"middle","author":{"id":null,"display_name":"Kabir Verchand","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kabir Verchand","raw_affiliation_strings":["University of Southern California, Department of Data Sciences and Operations, Los Angeles CA USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Southern California, Department of Data Sciences and Operations, Los Angeles CA USA","institution_ids":[]}]},{"author_position":"middle","author":{"id":null,"display_name":"Sara Fridovich-Keil","orcid":"https://orcid.org/0000-0002-7661-4987"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sara Fridovich-Keil","raw_affiliation_strings":["Georgia Institute of Technology, School of Electrical and Computer Engineering, Atlanta GA USA"],"raw_orcid":"https://orcid.org/0000-0002-7661-4987","affiliations":[{"raw_affiliation_string":"Georgia Institute of Technology, School of Electrical and Computer Engineering, Atlanta GA USA","institution_ids":[]}]},{"author_position":"last","author":{"id":null,"display_name":"Ashwin Pananjady","orcid":"https://orcid.org/0000-0003-0824-9815"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ashwin Pananjady","raw_affiliation_strings":["Georgia Institute of Technology, School of Industrial and Systems Engineering and School of Electrical and Computer Engineering, Atlanta GA USA"],"raw_orcid":"https://orcid.org/0000-0003-0824-9815","affiliations":[{"raw_affiliation_string":"Georgia Institute of Technology, School of Industrial and Systems Engineering and School of Electrical and Computer Engineering, Atlanta GA USA","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.43738185,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"19","issue":"1","first_page":"446","last_page":"479"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.3138999938964844,"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":0.3138999938964844,"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":0.25459998846054077,"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/T12923","display_name":"Digital Image Processing Techniques","score":0.13830000162124634,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/variational-inequality","display_name":"Variational inequality","score":0.4742000102996826},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.3314000070095062},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.3208000063896179},{"id":"https://openalex.org/keywords/tomographic-reconstruction","display_name":"Tomographic reconstruction","score":0.3192000091075897},{"id":"https://openalex.org/keywords/variational-method","display_name":"Variational method","score":0.3050000071525574},{"id":"https://openalex.org/keywords/inequality","display_name":"Inequality","score":0.30489999055862427}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5260000228881836},{"id":"https://openalex.org/C161999928","wikidata":"https://www.wikidata.org/wiki/Q4556320","display_name":"Variational inequality","level":2,"score":0.4742000102996826},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.4397999942302704},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.36800000071525574},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.34769999980926514},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.3314000070095062},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.3208000063896179},{"id":"https://openalex.org/C97742081","wikidata":"https://www.wikidata.org/wiki/Q7820109","display_name":"Tomographic reconstruction","level":3,"score":0.3192000091075897},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.30640000104904175},{"id":"https://openalex.org/C64618476","wikidata":"https://www.wikidata.org/wiki/Q164296","display_name":"Variational method","level":2,"score":0.3050000071525574},{"id":"https://openalex.org/C45555294","wikidata":"https://www.wikidata.org/wiki/Q28113351","display_name":"Inequality","level":2,"score":0.30489999055862427},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.299699991941452},{"id":"https://openalex.org/C135252773","wikidata":"https://www.wikidata.org/wiki/Q1567213","display_name":"Inverse problem","level":2,"score":0.29010000824928284},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.26750001311302185},{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.26420000195503235},{"id":"https://openalex.org/C2983327147","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Image denoising","level":3,"score":0.25119999051094055}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1137/25m1742242","is_oa":false,"landing_page_url":"https://doi.org/10.1137/25m1742242","pdf_url":null,"source":{"id":"https://openalex.org/S152600803","display_name":"SIAM Journal on Imaging Sciences","issn_l":"1936-4954","issn":["1936-4954"],"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 Imaging Sciences","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1288709608","display_name":null,"funder_award_id":"2303178","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G1462170902","display_name":null,"funder_award_id":"DMS-2210734","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G2952654558","display_name":null,"funder_award_id":"CCF-2107455","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320307786","display_name":"Adobe Systems","ror":"https://ror.org/059tvcg64"},{"id":"https://openalex.org/F4320309327","display_name":"Google","ror":"https://ror.org/00njsd438"},{"id":"https://openalex.org/F4320315144","display_name":"MathWorks","ror":"https://ror.org/01n8qtk87"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":49,"referenced_works":["https://openalex.org/W74946117","https://openalex.org/W1516681311","https://openalex.org/W1949839429","https://openalex.org/W1972037630","https://openalex.org/W2007516869","https://openalex.org/W2011181254","https://openalex.org/W2036720141","https://openalex.org/W2040745222","https://openalex.org/W2059360236","https://openalex.org/W2072647673","https://openalex.org/W2082817771","https://openalex.org/W2084789529","https://openalex.org/W2089441731","https://openalex.org/W2098092211","https://openalex.org/W2110652437","https://openalex.org/W2112009428","https://openalex.org/W2120096152","https://openalex.org/W2129727551","https://openalex.org/W2147825506","https://openalex.org/W2157812230","https://openalex.org/W2281522373","https://openalex.org/W2300237018","https://openalex.org/W2300533347","https://openalex.org/W2520526731","https://openalex.org/W2552453838","https://openalex.org/W2607545988","https://openalex.org/W2734514690","https://openalex.org/W2796500552","https://openalex.org/W2918745211","https://openalex.org/W2963017107","https://openalex.org/W2969597920","https://openalex.org/W2977196438","https://openalex.org/W2980581521","https://openalex.org/W3042671947","https://openalex.org/W3092658137","https://openalex.org/W3096001627","https://openalex.org/W3159854111","https://openalex.org/W4220654298","https://openalex.org/W4250954493","https://openalex.org/W4306658619","https://openalex.org/W4310787818","https://openalex.org/W4360879278","https://openalex.org/W4385430252","https://openalex.org/W4388266436","https://openalex.org/W4393393771","https://openalex.org/W4399665538","https://openalex.org/W4402790243","https://openalex.org/W4414281370","https://openalex.org/W4415795508"],"related_works":[],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-02-14T06:27:19.455381","created_date":"2026-02-14T00:00:00"}
