{"id":"https://openalex.org/W4387350505","doi":"https://doi.org/10.1109/tnnls.2023.3319408","title":"SOUL-Net: A Sparse and Low-Rank Unrolling Network for Spectral CT Image Reconstruction","display_name":"SOUL-Net: A Sparse and Low-Rank Unrolling Network for Spectral CT Image Reconstruction","publication_year":2023,"publication_date":"2023-10-04","ids":{"openalex":"https://openalex.org/W4387350505","doi":"https://doi.org/10.1109/tnnls.2023.3319408","pmid":"https://pubmed.ncbi.nlm.nih.gov/37792650"},"language":"en","primary_location":{"id":"doi:10.1109/tnnls.2023.3319408","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tnnls.2023.3319408","pdf_url":null,"source":{"id":"https://openalex.org/S4210175523","display_name":"IEEE Transactions on Neural Networks and Learning Systems","issn_l":"2162-237X","issn":["2162-237X","2162-2388"],"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 Neural Networks and Learning Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","pubmed"],"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/A5100693928","display_name":"Xiang Chen","orcid":"https://orcid.org/0009-0007-2895-7356"},"institutions":[{"id":"https://openalex.org/I24185976","display_name":"Sichuan University","ror":"https://ror.org/011ashp19","country_code":"CN","type":"education","lineage":["https://openalex.org/I24185976"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiang Chen","raw_affiliation_strings":["School of Cyber Science and Engineering and the Key Laboratory of Data Protection and Intelligent Management, Ministry of Education, Sichuan University, Chengdu, China","Ministry of Education, School of Cyber Science and Engineering and the Key Laboratory of Data Protection and Intelligent Management, Sichuan University, Chengdu, China"],"raw_orcid":"https://orcid.org/0009-0007-2895-7356","affiliations":[{"raw_affiliation_string":"School of Cyber Science and Engineering and the Key Laboratory of Data Protection and Intelligent Management, Ministry of Education, Sichuan University, Chengdu, China","institution_ids":["https://openalex.org/I24185976"]},{"raw_affiliation_string":"Ministry of Education, School of Cyber Science and Engineering and the Key Laboratory of Data Protection and Intelligent Management, Sichuan University, Chengdu, China","institution_ids":["https://openalex.org/I24185976"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045882773","display_name":"Wenjun Xia","orcid":"https://orcid.org/0000-0002-0428-1490"},"institutions":[{"id":"https://openalex.org/I24185976","display_name":"Sichuan University","ror":"https://ror.org/011ashp19","country_code":"CN","type":"education","lineage":["https://openalex.org/I24185976"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenjun Xia","raw_affiliation_strings":["School of Cyber Science and Engineering and the Key Laboratory of Data Protection and Intelligent Management, Ministry of Education, Sichuan University, Chengdu, China","Ministry of Education, School of Cyber Science and Engineering and the Key Laboratory of Data Protection and Intelligent Management, Sichuan University, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-0428-1490","affiliations":[{"raw_affiliation_string":"School of Cyber Science and Engineering and the Key Laboratory of Data Protection and Intelligent Management, Ministry of Education, Sichuan University, Chengdu, China","institution_ids":["https://openalex.org/I24185976"]},{"raw_affiliation_string":"Ministry of Education, School of Cyber Science and Engineering and the Key Laboratory of Data Protection and Intelligent Management, Sichuan University, Chengdu, China","institution_ids":["https://openalex.org/I24185976"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019886356","display_name":"Ziyuan Yang","orcid":"https://orcid.org/0000-0002-0275-4098"},"institutions":[{"id":"https://openalex.org/I24185976","display_name":"Sichuan University","ror":"https://ror.org/011ashp19","country_code":"CN","type":"education","lineage":["https://openalex.org/I24185976"]},{"id":"https://openalex.org/I4210125143","display_name":"Chengdu University","ror":"https://ror.org/034z67559","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210125143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ziyuan Yang","raw_affiliation_strings":["College of Computer Science, Sichuan University, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-0275-4098","affiliations":[{"raw_affiliation_string":"College of Computer Science, Sichuan University, Chengdu, China","institution_ids":["https://openalex.org/I4210125143","https://openalex.org/I24185976"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100357677","display_name":"Hu Chen","orcid":"https://orcid.org/0000-0001-9300-6572"},"institutions":[{"id":"https://openalex.org/I24185976","display_name":"Sichuan University","ror":"https://ror.org/011ashp19","country_code":"CN","type":"education","lineage":["https://openalex.org/I24185976"]},{"id":"https://openalex.org/I4210125143","display_name":"Chengdu University","ror":"https://ror.org/034z67559","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210125143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hu Chen","raw_affiliation_strings":["College of Computer Science, Sichuan University, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0001-9300-6572","affiliations":[{"raw_affiliation_string":"College of Computer Science, Sichuan University, Chengdu, China","institution_ids":["https://openalex.org/I4210125143","https://openalex.org/I24185976"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100351184","display_name":"Yan Liu","orcid":"https://orcid.org/0000-0003-4881-8429"},"institutions":[{"id":"https://openalex.org/I24185976","display_name":"Sichuan University","ror":"https://ror.org/011ashp19","country_code":"CN","type":"education","lineage":["https://openalex.org/I24185976"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan Liu","raw_affiliation_strings":["College of Electrical Engineering, Sichuan University, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0003-4881-8429","affiliations":[{"raw_affiliation_string":"College of Electrical Engineering, Sichuan University, Chengdu, China","institution_ids":["https://openalex.org/I24185976"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102009027","display_name":"Jiliu Zhou","orcid":"https://orcid.org/0000-0001-6864-9509"},"institutions":[{"id":"https://openalex.org/I24185976","display_name":"Sichuan University","ror":"https://ror.org/011ashp19","country_code":"CN","type":"education","lineage":["https://openalex.org/I24185976"]},{"id":"https://openalex.org/I4210125143","display_name":"Chengdu University","ror":"https://ror.org/034z67559","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210125143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiliu Zhou","raw_affiliation_strings":["College of Computer Science, Sichuan University, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer Science, Sichuan University, Chengdu, China","institution_ids":["https://openalex.org/I4210125143","https://openalex.org/I24185976"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100407648","display_name":"Zhe Wang","orcid":"https://orcid.org/0000-0002-9835-6325"},"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":"Zhe Wang","raw_affiliation_strings":["Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137180","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100350437","display_name":"Yang Chen","orcid":"https://orcid.org/0000-0002-5660-6349"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Chen","raw_affiliation_strings":["Laboratory of Image Science and Technology, Southeast University, Nanjing, China","Key Laboratory of Computer Network and Information Integration (Southeast University), Ministry of Education, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-5660-6349","affiliations":[{"raw_affiliation_string":"Laboratory of Image Science and Technology, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"Key Laboratory of Computer Network and Information Integration (Southeast University), Ministry of Education, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024709593","display_name":"Bihan Wen","orcid":"https://orcid.org/0000-0002-6874-6453"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Bihan Wen","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, Jurong West, Singapore","School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0000-0002-6874-6453","affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Jurong West, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100388053","display_name":"Yi Zhang","orcid":"https://orcid.org/0000-0001-7201-2092"},"institutions":[{"id":"https://openalex.org/I24185976","display_name":"Sichuan University","ror":"https://ror.org/011ashp19","country_code":"CN","type":"education","lineage":["https://openalex.org/I24185976"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Zhang","raw_affiliation_strings":["School of Cyber Science and Engineering and the Key Laboratory of Data Protection and Intelligent Management, Ministry of Education, Sichuan University, Chengdu, China","Ministry of Education, School of Cyber Science and Engineering and the Key Laboratory of Data Protection and Intelligent Management, Sichuan University, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0001-7201-2092","affiliations":[{"raw_affiliation_string":"School of Cyber Science and Engineering and the Key Laboratory of Data Protection and Intelligent Management, Ministry of Education, Sichuan University, Chengdu, China","institution_ids":["https://openalex.org/I24185976"]},{"raw_affiliation_string":"Ministry of Education, School of Cyber Science and Engineering and the Key Laboratory of Data Protection and Intelligent Management, Sichuan University, Chengdu, China","institution_ids":["https://openalex.org/I24185976"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":10,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.9477,"has_fulltext":false,"cited_by_count":19,"citation_normalized_percentile":{"value":0.85585003,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"35","issue":"12","first_page":"18620","last_page":"18634"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12386","display_name":"Advanced X-ray and CT Imaging","score":1.0,"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/T12386","display_name":"Advanced X-ray and CT Imaging","score":1.0,"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/T10522","display_name":"Medical Imaging Techniques and Applications","score":0.9973000288009644,"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/T12015","display_name":"Photoacoustic and Ultrasonic Imaging","score":0.9923999905586243,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.7081707715988159},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6759316921234131},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5264638066291809},{"id":"https://openalex.org/keywords/singular-value-decomposition","display_name":"Singular value decomposition","score":0.4841247498989105},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.4237951934337616},{"id":"https://openalex.org/keywords/thresholding","display_name":"Thresholding","score":0.4162033200263977},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3925587832927704},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3818015158176422},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.3362201452255249},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21765905618667603}],"concepts":[{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.7081707715988159},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6759316921234131},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5264638066291809},{"id":"https://openalex.org/C22789450","wikidata":"https://www.wikidata.org/wiki/Q420904","display_name":"Singular value decomposition","level":2,"score":0.4841247498989105},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.4237951934337616},{"id":"https://openalex.org/C191178318","wikidata":"https://www.wikidata.org/wiki/Q2256906","display_name":"Thresholding","level":3,"score":0.4162033200263977},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3925587832927704},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3818015158176422},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.3362201452255249},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21765905618667603},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tnnls.2023.3319408","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tnnls.2023.3319408","pdf_url":null,"source":{"id":"https://openalex.org/S4210175523","display_name":"IEEE Transactions on Neural Networks and Learning Systems","issn_l":"2162-237X","issn":["2162-237X","2162-2388"],"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 Neural Networks and Learning Systems","raw_type":"journal-article"},{"id":"pmid:37792650","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/37792650","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 neural networks and learning systems","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.4099999964237213}],"awards":[{"id":"https://openalex.org/G1648848945","display_name":null,"funder_award_id":"2021JDJQ0024","funder_id":"https://openalex.org/F4320333335","funder_display_name":"Sichuan Province Science and Technology Support Program"},{"id":"https://openalex.org/G2574162611","display_name":null,"funder_award_id":"62271335","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2817721653","display_name":null,"funder_award_id":"2022YFC2408500","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G4166200719","display_name":null,"funder_award_id":"2022YFC2401600","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G6592847144","display_name":null,"funder_award_id":"T2225025","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6651252614","display_name":null,"funder_award_id":"2022YFE0116700","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320333335","display_name":"Sichuan Province Science and Technology Support Program","ror":null},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":70,"referenced_works":["https://openalex.org/W1901129140","https://openalex.org/W1972150100","https://openalex.org/W1982059935","https://openalex.org/W2005089986","https://openalex.org/W2012223232","https://openalex.org/W2014311222","https://openalex.org/W2029738926","https://openalex.org/W2035011596","https://openalex.org/W2052829179","https://openalex.org/W2054393756","https://openalex.org/W2061287627","https://openalex.org/W2068454934","https://openalex.org/W2068780335","https://openalex.org/W2080843093","https://openalex.org/W2094366314","https://openalex.org/W2100556411","https://openalex.org/W2103972604","https://openalex.org/W2110652437","https://openalex.org/W2120096152","https://openalex.org/W2133665775","https://openalex.org/W2162987592","https://openalex.org/W2168580857","https://openalex.org/W2194775991","https://openalex.org/W2204257188","https://openalex.org/W2273827415","https://openalex.org/W2345638687","https://openalex.org/W2369261734","https://openalex.org/W2512266304","https://openalex.org/W2518656986","https://openalex.org/W2520302833","https://openalex.org/W2562637781","https://openalex.org/W2751661828","https://openalex.org/W2752197020","https://openalex.org/W2752782242","https://openalex.org/W2765757936","https://openalex.org/W2793419304","https://openalex.org/W2883633804","https://openalex.org/W2884211269","https://openalex.org/W2887579808","https://openalex.org/W2891451067","https://openalex.org/W2912834247","https://openalex.org/W2919234133","https://openalex.org/W2921457112","https://openalex.org/W2924878362","https://openalex.org/W2938296211","https://openalex.org/W2962770929","https://openalex.org/W2963073614","https://openalex.org/W2963372104","https://openalex.org/W2963446712","https://openalex.org/W2990644664","https://openalex.org/W3046301294","https://openalex.org/W3047011367","https://openalex.org/W3130910673","https://openalex.org/W3132455321","https://openalex.org/W3168156488","https://openalex.org/W3171243408","https://openalex.org/W3172797549","https://openalex.org/W3175178093","https://openalex.org/W3195875706","https://openalex.org/W3198610423","https://openalex.org/W3203480968","https://openalex.org/W4214911856","https://openalex.org/W4224275128","https://openalex.org/W4229026447","https://openalex.org/W4292968429","https://openalex.org/W4294958089","https://openalex.org/W6631190155","https://openalex.org/W6749271710","https://openalex.org/W6758706709","https://openalex.org/W6786550129"],"related_works":["https://openalex.org/W2953058328","https://openalex.org/W1542224353","https://openalex.org/W1661087619","https://openalex.org/W2750730210","https://openalex.org/W2116854923","https://openalex.org/W2952127465","https://openalex.org/W2037514533","https://openalex.org/W2164628286","https://openalex.org/W2028276520","https://openalex.org/W2154277349"],"abstract_inverted_index":{"Spectral":[0],"computed":[1],"tomography":[2],"(CT)":[3],"is":[4,117,182],"an":[5,18,118],"emerging":[6],"technology,":[7],"that":[8,164,195],"generates":[9],"a":[10,27,99,132,152,171,175],"multienergy":[11],"attenuation":[12],"map":[13],"for":[14,64,159],"the":[15,22,88,123,128,166,186,196],"interior":[16],"of":[17,44,91,135,206],"object":[19],"and":[20,51,80,154,168,191,209],"extends":[21],"traditional":[23,32],"image":[24,89,162],"volume":[25],"into":[26],"4-D":[28],"form.":[29],"Compared":[30],"with":[31],"CT":[33,39,66,96,161],"based":[34],"on":[35],"energy-integrating":[36],"detectors,":[37],"spectral":[38,45,65,95,160],"can":[40],"make":[41],"full":[42],"use":[43],"information,":[46],"resulting":[47],"in":[48,108,147,170,204],"high":[49],"resolution":[50],"providing":[52],"accurate":[53],"material":[54],"quantification.":[55],"Numerous":[56],"model-based":[57],"iterative":[58,110],"reconstruction":[59,111],"methods":[60,70],"have":[61],"been":[62,105],"proposed":[63,197],"reconstruction.":[67],"However,":[68,127],"these":[69,145],"usually":[71,97],"suffer":[72],"from":[73],"difficulties":[74],"such":[75],"as":[76],"laborious":[77],"parameter":[78],"selection":[79,134],"expensive":[81],"computational":[82],"costs.":[83],"In":[84],"addition,":[85],"due":[86],"to":[87,121,140,184],"similarity":[90],"different":[92],"energy":[93],"bins,":[94],"implies":[98],"strong":[100],"low-rank":[101,124,155],"prior,":[102],"which":[103,137],"has":[104],"widely":[106],"adopted":[107],"current":[109],"models.":[112],"Singular":[113],"value":[114],"thresholding":[115],"(SVT)":[116],"effective":[119],"algorithm":[120],"solve":[122],"constrained":[125],"model.":[126],"SVT":[129],"method":[130,181,198],"requires":[131],"manual":[133],"thresholds,":[136],"may":[138],"lead":[139],"suboptimal":[141],"results.":[142],"To":[143],"relieve":[144],"problems,":[146],"this":[148],"article,":[149],"we":[150],"propose":[151],"sparse":[153],"unrolling":[156],"network":[157,179],"(SOUL-Net)":[158],"reconstruction,":[163],"learns":[165],"parameters":[167],"thresholds":[169],"data-driven":[172],"manner.":[173],"Furthermore,":[174],"Taylor":[176],"expansion-based":[177],"neural":[178],"backpropagation":[180],"introduced":[183],"improve":[185],"numerical":[187],"stability.":[188],"The":[189],"qualitative":[190],"quantitative":[192],"results":[193],"demonstrate":[194],"outperforms":[199],"several":[200],"representative":[201],"state-of-the-art":[202],"algorithms":[203],"terms":[205],"detail":[207],"preservation":[208],"artifact":[210],"reduction.":[211]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":10},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
