{"id":"https://openalex.org/W4391281766","doi":"https://doi.org/10.1142/s0219691324500061","title":"An improved model for wavelet coefficients estimation and its application to image denoising","display_name":"An improved model for wavelet coefficients estimation and its application to image denoising","publication_year":2024,"publication_date":"2024-01-27","ids":{"openalex":"https://openalex.org/W4391281766","doi":"https://doi.org/10.1142/s0219691324500061"},"language":"en","primary_location":{"id":"doi:10.1142/s0219691324500061","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0219691324500061","pdf_url":null,"source":{"id":"https://openalex.org/S56986848","display_name":"International Journal of Wavelets Multiresolution and Information Processing","issn_l":"0219-6913","issn":["0219-6913","1793-690X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Wavelets, Multiresolution and Information Processing","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":"https://openalex.org/A5100764679","display_name":"Xueqing Li","orcid":"https://orcid.org/0009-0004-1417-8579"},"institutions":[{"id":"https://openalex.org/I100188998","display_name":"Harbin University of Science and Technology","ror":"https://ror.org/04e6y1282","country_code":"CN","type":"education","lineage":["https://openalex.org/I100188998"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xueqing Li","raw_affiliation_strings":["School of Science, Harbin University of Science and Technology, Harbin 150080, P. R. China"],"raw_orcid":"https://orcid.org/0009-0004-1417-8579","affiliations":[{"raw_affiliation_string":"School of Science, Harbin University of Science and Technology, Harbin 150080, P. R. China","institution_ids":["https://openalex.org/I100188998"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007040491","display_name":"Caixia Deng","orcid":"https://orcid.org/0000-0002-6564-0864"},"institutions":[{"id":"https://openalex.org/I100188998","display_name":"Harbin University of Science and Technology","ror":"https://ror.org/04e6y1282","country_code":"CN","type":"education","lineage":["https://openalex.org/I100188998"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Caixia Deng","raw_affiliation_strings":["School of Science, Harbin University of Science and Technology, Harbin 150080, P. R. China"],"raw_orcid":"https://orcid.org/0000-0002-6564-0864","affiliations":[{"raw_affiliation_string":"School of Science, Harbin University of Science and Technology, Harbin 150080, P. R. China","institution_ids":["https://openalex.org/I100188998"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077506731","display_name":"Shasha Li","orcid":"https://orcid.org/0000-0003-1661-0789"},"institutions":[{"id":"https://openalex.org/I100188998","display_name":"Harbin University of Science and Technology","ror":"https://ror.org/04e6y1282","country_code":"CN","type":"education","lineage":["https://openalex.org/I100188998"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shasha Li","raw_affiliation_strings":["School of Science, Harbin University of Science and Technology, Harbin 150080, P. R. China"],"raw_orcid":"https://orcid.org/0000-0003-1661-0789","affiliations":[{"raw_affiliation_string":"School of Science, Harbin University of Science and Technology, Harbin 150080, P. R. China","institution_ids":["https://openalex.org/I100188998"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5093802852","display_name":"Lu Pi","orcid":"https://orcid.org/0009-0007-6068-436X"},"institutions":[{"id":"https://openalex.org/I100188998","display_name":"Harbin University of Science and Technology","ror":"https://ror.org/04e6y1282","country_code":"CN","type":"education","lineage":["https://openalex.org/I100188998"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lu Pi","raw_affiliation_strings":["School of Science, Harbin University of Science and Technology, Harbin 150080, P. R. China"],"raw_orcid":"https://orcid.org/0009-0007-6068-436X","affiliations":[{"raw_affiliation_string":"School of Science, Harbin University of Science and Technology, Harbin 150080, P. R. China","institution_ids":["https://openalex.org/I100188998"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2187,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.43236627,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"22","issue":"04","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","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":0.9991999864578247,"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"}},{"id":"https://openalex.org/T13114","display_name":"Image Processing Techniques and Applications","score":0.9948999881744385,"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/noise-reduction","display_name":"Noise reduction","score":0.622901201248169},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.6089068055152893},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5368870496749878},{"id":"https://openalex.org/keywords/smoothness","display_name":"Smoothness","score":0.5266644358634949},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5130630731582642},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.4749976396560669},{"id":"https://openalex.org/keywords/gaussian-noise","display_name":"Gaussian noise","score":0.46517014503479004},{"id":"https://openalex.org/keywords/non-local-means","display_name":"Non-local means","score":0.43980491161346436},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.43835219740867615},{"id":"https://openalex.org/keywords/differentiable-function","display_name":"Differentiable function","score":0.4369511902332306},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.41593316197395325},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.39884471893310547},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3638994097709656},{"id":"https://openalex.org/keywords/image-denoising","display_name":"Image denoising","score":0.26745396852493286},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.07032510638237}],"concepts":[{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.622901201248169},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.6089068055152893},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5368870496749878},{"id":"https://openalex.org/C102634674","wikidata":"https://www.wikidata.org/wiki/Q868473","display_name":"Smoothness","level":2,"score":0.5266644358634949},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5130630731582642},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.4749976396560669},{"id":"https://openalex.org/C4199805","wikidata":"https://www.wikidata.org/wiki/Q2725903","display_name":"Gaussian noise","level":2,"score":0.46517014503479004},{"id":"https://openalex.org/C101453961","wikidata":"https://www.wikidata.org/wiki/Q7048948","display_name":"Non-local means","level":4,"score":0.43980491161346436},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.43835219740867615},{"id":"https://openalex.org/C202615002","wikidata":"https://www.wikidata.org/wiki/Q783507","display_name":"Differentiable function","level":2,"score":0.4369511902332306},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.41593316197395325},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.39884471893310547},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3638994097709656},{"id":"https://openalex.org/C2983327147","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Image denoising","level":3,"score":0.26745396852493286},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.07032510638237}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1142/s0219691324500061","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0219691324500061","pdf_url":null,"source":{"id":"https://openalex.org/S56986848","display_name":"International Journal of Wavelets Multiresolution and Information Processing","issn_l":"0219-6913","issn":["0219-6913","1793-690X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Wavelets, Multiresolution and Information Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W247104752","https://openalex.org/W1867478147","https://openalex.org/W2144851790","https://openalex.org/W2781992111","https://openalex.org/W2938228562","https://openalex.org/W2946923551","https://openalex.org/W3001410142","https://openalex.org/W3009332166","https://openalex.org/W3042194412","https://openalex.org/W3153899580","https://openalex.org/W3186356718","https://openalex.org/W4220928336","https://openalex.org/W4281870339","https://openalex.org/W4281875468","https://openalex.org/W4296374092","https://openalex.org/W4311164178","https://openalex.org/W4313569649","https://openalex.org/W4380324454","https://openalex.org/W4380987159"],"related_works":["https://openalex.org/W2112641952","https://openalex.org/W2092311672","https://openalex.org/W2761243560","https://openalex.org/W233850645","https://openalex.org/W2098237619","https://openalex.org/W1974796563","https://openalex.org/W2511423457","https://openalex.org/W4213271663","https://openalex.org/W2776327255","https://openalex.org/W1538114257"],"abstract_inverted_index":{"Image":[0],"denoising":[1,12,103,128],"is":[2,46,125,130],"a":[3,10,36,41,75],"significant":[4],"procedure":[5],"in":[6],"image":[7,17,145],"processing,":[8],"and":[9,48,63,78,109,114,151],"good":[11],"method":[13,39],"can":[14,139],"improve":[15],"the":[16,24,32,56,80,97,119,122,127,142,149],"quality.":[18],"This":[19],"study":[20],"focuses":[21],"on":[22,88],"enhancing":[23,148],"estimation":[25,137],"model":[26,138],"of":[27,43,71,82,121,144,153],"wavelet":[28,135],"coefficients":[29,136],"by":[30],"improving":[31],"threshold":[33,44,57,73,85,99,123],"function.":[34],"Thus,":[35],"general":[37,90],"construction":[38,81],"for":[40,105],"class":[42,70],"functions":[45,58,74,86,100],"introduced,":[47],"sufficient":[49],"conditions":[50],"are":[51,59],"given":[52],"to":[53],"ensure":[54],"that":[55,95],"continuous,":[60],"first-order":[61],"differentiable":[62],"higher-order":[64],"differentiable.":[65],"It":[66],"makes":[67],"an":[68],"existing":[69],"improved":[72,134],"particular":[76],"case":[77],"enables":[79],"other":[83],"needed":[84],"based":[87],"this":[89],"approach.":[91],"Experiments":[92],"have":[93],"shown":[94],"using":[96],"new":[98],"yields":[101],"better":[102],"results":[104],"images":[106],"containing":[107],"salt":[108],"pepper":[110],"noise,":[111],"Gaussian":[112],"noise":[113],"speckle":[115],"noise.":[116],"Moreover,":[117],"as":[118],"smoothness":[120],"function":[124],"enhanced,":[126],"effect":[129],"also":[131],"improved.":[132],"The":[133],"effectively":[140],"boost":[141],"quality":[143],"denoising,":[146],"further":[147],"accuracy":[150],"effectiveness":[152],"computer":[154],"vision":[155],"algorithms.":[156]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}