{"id":"https://openalex.org/W3175607621","doi":"https://doi.org/10.1109/tcyb.2021.3084931","title":"Nonconvex Structural Sparsity Residual Constraint for Image Restoration","display_name":"Nonconvex Structural Sparsity Residual Constraint for Image Restoration","publication_year":2021,"publication_date":"2021-06-23","ids":{"openalex":"https://openalex.org/W3175607621","doi":"https://doi.org/10.1109/tcyb.2021.3084931","mag":"3175607621","pmid":"https://pubmed.ncbi.nlm.nih.gov/34161250"},"language":"en","primary_location":{"id":"doi:10.1109/tcyb.2021.3084931","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcyb.2021.3084931","pdf_url":null,"source":{"id":"https://openalex.org/S4210191041","display_name":"IEEE Transactions on Cybernetics","issn_l":"2168-2267","issn":["2168-2267","2168-2275"],"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 Cybernetics","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/A5032774989","display_name":"Zhiyuan Zha","orcid":"https://orcid.org/0000-0002-5515-5339"},"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":true,"raw_author_name":"Zhiyuan Zha","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015431603","display_name":"Xin Yuan","orcid":"https://orcid.org/0000-0002-8311-7524"},"institutions":[{"id":"https://openalex.org/I72090969","display_name":"Nokia (United States)","ror":"https://ror.org/038km2573","country_code":"US","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I72090969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xin Yuan","raw_affiliation_strings":["Video Analysis And Coding, Nokia Bell Labs, Murray Hill, NJ, USA"],"affiliations":[{"raw_affiliation_string":"Video Analysis And Coding, Nokia Bell Labs, Murray Hill, NJ, USA","institution_ids":["https://openalex.org/I72090969"]}]},{"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, Singapore"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102020945","display_name":"Jiachao Zhang","orcid":"https://orcid.org/0000-0002-3124-9461"},"institutions":[{"id":"https://openalex.org/I2799736854","display_name":"Nanjing Institute of Technology","ror":"https://ror.org/00n6txq60","country_code":"CN","type":"education","lineage":["https://openalex.org/I2799736854"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiachao Zhang","raw_affiliation_strings":["Artificial Intelligence Institute of Industrial Technology, Nanjing Institute of Technology, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Artificial Intelligence Institute of Industrial Technology, Nanjing Institute of Technology, Nanjing, China","institution_ids":["https://openalex.org/I2799736854"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034427070","display_name":"Ce Zhu","orcid":"https://orcid.org/0000-0001-7607-707X"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ce Zhu","raw_affiliation_strings":["School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5032774989"],"corresponding_institution_ids":["https://openalex.org/I172675005"],"apc_list":null,"apc_paid":null,"fwci":2.3254,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":{"value":0.9028426,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":93,"max":99},"biblio":{"volume":"52","issue":"11","first_page":"12440","last_page":"12453"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9998999834060669,"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9998999834060669,"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/T11105","display_name":"Advanced Image Processing Techniques","score":0.9998000264167786,"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/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/residual","display_name":"Residual","score":0.7166706323623657},{"id":"https://openalex.org/keywords/image-restoration","display_name":"Image restoration","score":0.7155814170837402},{"id":"https://openalex.org/keywords/sparse-approximation","display_name":"Sparse approximation","score":0.7059382796287537},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.6776027679443359},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.6377087831497192},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6040974259376526},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.5741711854934692},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.513009250164032},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.45554155111312866},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3862239122390747},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.34945058822631836},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.34024861454963684},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.26369696855545044},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.24977251887321472}],"concepts":[{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.7166706323623657},{"id":"https://openalex.org/C106430172","wikidata":"https://www.wikidata.org/wiki/Q6002272","display_name":"Image restoration","level":4,"score":0.7155814170837402},{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.7059382796287537},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.6776027679443359},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.6377087831497192},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6040974259376526},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5741711854934692},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.513009250164032},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.45554155111312866},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3862239122390747},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.34945058822631836},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.34024861454963684},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.26369696855545044},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.24977251887321472},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"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/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/tcyb.2021.3084931","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcyb.2021.3084931","pdf_url":null,"source":{"id":"https://openalex.org/S4210191041","display_name":"IEEE Transactions on Cybernetics","issn_l":"2168-2267","issn":["2168-2267","2168-2275"],"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 Cybernetics","raw_type":"journal-article"},{"id":"pmid:34161250","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34161250","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 cybernetics","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.6800000071525574}],"awards":[{"id":"https://openalex.org/G2425268315","display_name":null,"funder_award_id":"62002160","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3332268393","display_name":null,"funder_award_id":"U19A2052","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4556851971","display_name":null,"funder_award_id":"61971476","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5962431186","display_name":null,"funder_award_id":"62020106011","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320320766","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":80,"referenced_works":["https://openalex.org/W1791560514","https://openalex.org/W1799946925","https://openalex.org/W1906770428","https://openalex.org/W1963932623","https://openalex.org/W1977273805","https://openalex.org/W1978702630","https://openalex.org/W1978749115","https://openalex.org/W1982452826","https://openalex.org/W1984077106","https://openalex.org/W2002670936","https://openalex.org/W2011181254","https://openalex.org/W2014311222","https://openalex.org/W2019972236","https://openalex.org/W2045737896","https://openalex.org/W2049365101","https://openalex.org/W2056201402","https://openalex.org/W2056370875","https://openalex.org/W2076363162","https://openalex.org/W2093607776","https://openalex.org/W2097073572","https://openalex.org/W2110158442","https://openalex.org/W2111557737","https://openalex.org/W2111854674","https://openalex.org/W2117865218","https://openalex.org/W2121058967","https://openalex.org/W2125527601","https://openalex.org/W2133665775","https://openalex.org/W2135065661","https://openalex.org/W2142683286","https://openalex.org/W2160547390","https://openalex.org/W2161991491","https://openalex.org/W2164129760","https://openalex.org/W2172275395","https://openalex.org/W2187214659","https://openalex.org/W2207282238","https://openalex.org/W2289219634","https://openalex.org/W2295281957","https://openalex.org/W2298855392","https://openalex.org/W2322525404","https://openalex.org/W2336406062","https://openalex.org/W2342838199","https://openalex.org/W2423236762","https://openalex.org/W2461228296","https://openalex.org/W2505029951","https://openalex.org/W2508457857","https://openalex.org/W2527004316","https://openalex.org/W2536599074","https://openalex.org/W2571662414","https://openalex.org/W2585357012","https://openalex.org/W2606594217","https://openalex.org/W2613155248","https://openalex.org/W2741137940","https://openalex.org/W2764207251","https://openalex.org/W2767380400","https://openalex.org/W2782282281","https://openalex.org/W2791026767","https://openalex.org/W2802440232","https://openalex.org/W2884569173","https://openalex.org/W2889024474","https://openalex.org/W2890040911","https://openalex.org/W2894142921","https://openalex.org/W2921567054","https://openalex.org/W2987869089","https://openalex.org/W2994051615","https://openalex.org/W2995650332","https://openalex.org/W2995679912","https://openalex.org/W3012002796","https://openalex.org/W3012209675","https://openalex.org/W3016096206","https://openalex.org/W3035514855","https://openalex.org/W3035542568","https://openalex.org/W3038886336","https://openalex.org/W3084306245","https://openalex.org/W3090249111","https://openalex.org/W3099794995","https://openalex.org/W3100203369","https://openalex.org/W3131193104","https://openalex.org/W3161747711","https://openalex.org/W3182211633","https://openalex.org/W6749271710"],"related_works":["https://openalex.org/W2560215812","https://openalex.org/W2949601986","https://openalex.org/W2788972299","https://openalex.org/W2521347458","https://openalex.org/W2498789492","https://openalex.org/W2555730586","https://openalex.org/W189037341","https://openalex.org/W1978749115","https://openalex.org/W2116498084","https://openalex.org/W2903565072"],"abstract_inverted_index":{"This":[0],"article":[1],"proposes":[2],"a":[3,71],"novel":[4,53],"nonconvex":[5,22],"structural":[6,17],"sparsity":[7,23,39],"residual":[8,24],"constraint":[9,25],"(NSSRC)":[10],"model":[11],"for":[12,32,66],"image":[13,33,94,101,104],"restoration,":[14],"which":[15],"integrates":[16],"sparse":[18,64,74],"representation":[19,75],"(SSR)":[20],"with":[21],"(NC-SRC).":[26],"Although":[27],"SSR":[28],"itself":[29],"is":[30,87],"powerful":[31],"restoration":[34,95],"by":[35,69],"combining":[36],"the":[37,52,91,108],"local":[38],"and":[40,103],"nonlocal":[41],"self-similarity":[42],"in":[43,46],"natural":[44,67],"images,":[45],"this":[47],"work,":[48],"we":[49],"explicitly":[50],"incorporate":[51],"NC-SRC":[54],"prior":[55],"into":[56],"SSR.":[57],"Our":[58],"proposed":[59,92,109],"approach":[60],"provides":[61],"more":[62,72],"effective":[63],"modeling":[65],"images":[68],"applying":[70],"flexible":[73],"scheme,":[76],"leading":[77],"to":[78,89],"high-quality":[79],"restored":[80],"images.":[81],"Moreover,":[82],"an":[83],"alternating":[84],"minimizing":[85],"framework":[86],"developed":[88],"solve":[90],"NSSRC-based":[93],"problems.":[96],"Extensive":[97],"experimental":[98],"results":[99,113],"on":[100],"denoising":[102],"deblocking":[105],"validate":[106],"that":[107],"NSSRC":[110],"achieves":[111],"better":[112],"than":[114],"many":[115],"popular":[116],"or":[117],"state-of-the-art":[118],"methods":[119],"over":[120],"several":[121],"publicly":[122],"available":[123],"datasets.":[124]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":2}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}