{"id":"https://openalex.org/W2106532028","doi":"https://doi.org/10.1109/icassp.1984.1172758","title":"Nonstationary 2-D recursive restoration of images with signal-dependent noise","display_name":"Nonstationary 2-D recursive restoration of images with signal-dependent noise","publication_year":2005,"publication_date":"2005-03-24","ids":{"openalex":"https://openalex.org/W2106532028","doi":"https://doi.org/10.1109/icassp.1984.1172758","mag":"2106532028"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.1984.1172758","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.1984.1172758","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP '84. IEEE International Conference on Acoustics, Speech, and Signal Processing","raw_type":"proceedings-article"},"type":"conference-paper","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/A5065393526","display_name":"D. Kuan","orcid":null},"institutions":[{"id":"https://openalex.org/I156317336","display_name":"FMC (United States)","ror":"https://ror.org/01h95gp06","country_code":"US","type":"company","lineage":["https://openalex.org/I156317336"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"D. Kuan","raw_affiliation_strings":["Central Engineering Labs., FMC Corporation, Santa Clara, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Central Engineering Labs., FMC Corporation, Santa Clara, CA, USA","institution_ids":["https://openalex.org/I156317336"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015967023","display_name":"Alexander A. Sawchuk","orcid":null},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"A. Sawchuk","raw_affiliation_strings":["Image Processing Institute, University of Southern California, Los Angeles, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Image Processing Institute, University of Southern California, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I1174212"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102929975","display_name":"T. Strand","orcid":"https://orcid.org/0009-0007-8662-121X"},"institutions":[{"id":"https://openalex.org/I1341412227","display_name":"IBM (United States)","ror":"https://ror.org/05hh8d621","country_code":"US","type":"company","lineage":["https://openalex.org/I1341412227"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"T. Strand","raw_affiliation_strings":["San Jose Research Labs., IBM, Corporation, San Jose, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"San Jose Research Labs., IBM, Corporation, San Jose, CA, USA","institution_ids":["https://openalex.org/I1341412227"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088052907","display_name":"Pierre Chavel","orcid":"https://orcid.org/0000-0002-5761-6872"},"institutions":[{"id":"https://openalex.org/I4210091746","display_name":"Institut d\u2019Optique Graduate School","ror":"https://ror.org/00d0rke27","country_code":"FR","type":"education","lineage":["https://openalex.org/I277688954","https://openalex.org/I4210091746"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"P. Chavel","raw_affiliation_strings":["Institut d'Optique, Universite de Paris Sud, Orsay, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institut d'Optique, Universite de Paris Sud, Orsay, France","institution_ids":["https://openalex.org/I4210091746"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2565,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.49072467,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"9","issue":null,"first_page":"84","last_page":"87"},"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/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9939000010490417,"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":0.9926000237464905,"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/recursive-filter","display_name":"Recursive filter","score":0.7565199136734009},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.6497726440429688},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6343555450439453},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.6029788255691528},{"id":"https://openalex.org/keywords/multiplicative-noise","display_name":"Multiplicative noise","score":0.601406991481781},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5264678001403809},{"id":"https://openalex.org/keywords/filter-design","display_name":"Filter design","score":0.5138564109802246},{"id":"https://openalex.org/keywords/image-restoration","display_name":"Image restoration","score":0.4850718080997467},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.45694148540496826},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.4197938144207001},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.41740182042121887},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4096773862838745},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.35664159059524536},{"id":"https://openalex.org/keywords/root-raised-cosine-filter","display_name":"Root-raised-cosine filter","score":0.3198242783546448},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.29150137305259705},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.2842940092086792},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.25007253885269165},{"id":"https://openalex.org/keywords/signal-transfer-function","display_name":"Signal transfer function","score":0.1451016366481781},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.1295316517353058},{"id":"https://openalex.org/keywords/analog-signal","display_name":"Analog signal","score":0.0870169997215271},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08391901850700378}],"concepts":[{"id":"https://openalex.org/C70518719","wikidata":"https://www.wikidata.org/wiki/Q16928317","display_name":"Recursive filter","level":5,"score":0.7565199136734009},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.6497726440429688},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6343555450439453},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.6029788255691528},{"id":"https://openalex.org/C18015164","wikidata":"https://www.wikidata.org/wiki/Q6935000","display_name":"Multiplicative noise","level":5,"score":0.601406991481781},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5264678001403809},{"id":"https://openalex.org/C22597639","wikidata":"https://www.wikidata.org/wiki/Q5449227","display_name":"Filter design","level":3,"score":0.5138564109802246},{"id":"https://openalex.org/C106430172","wikidata":"https://www.wikidata.org/wiki/Q6002272","display_name":"Image restoration","level":4,"score":0.4850718080997467},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.45694148540496826},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.4197938144207001},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.41740182042121887},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4096773862838745},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.35664159059524536},{"id":"https://openalex.org/C76826599","wikidata":"https://www.wikidata.org/wiki/Q1248611","display_name":"Root-raised-cosine filter","level":4,"score":0.3198242783546448},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.29150137305259705},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.2842940092086792},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.25007253885269165},{"id":"https://openalex.org/C131021393","wikidata":"https://www.wikidata.org/wiki/Q7512759","display_name":"Signal transfer function","level":4,"score":0.1451016366481781},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.1295316517353058},{"id":"https://openalex.org/C13412647","wikidata":"https://www.wikidata.org/wiki/Q174948","display_name":"Analog signal","level":3,"score":0.0870169997215271},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08391901850700378},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.1984.1172758","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.1984.1172758","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP '84. IEEE International Conference on Acoustics, Speech, and Signal Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7099999785423279,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1888188286","https://openalex.org/W2049909233","https://openalex.org/W2057670157","https://openalex.org/W2106706281","https://openalex.org/W2107955670","https://openalex.org/W2144412213","https://openalex.org/W3022702852"],"related_works":["https://openalex.org/W2127740252","https://openalex.org/W2080577510","https://openalex.org/W1991978401","https://openalex.org/W2767563627","https://openalex.org/W2183997974","https://openalex.org/W2216327664","https://openalex.org/W2536432598","https://openalex.org/W2059964741","https://openalex.org/W2010055547","https://openalex.org/W2321334235"],"abstract_inverted_index":{"A":[0,68],"nonstationary":[1,10,12,88],"2-D":[2,27,89],"recursive":[3,28,62,90],"image":[4,15,35,46],"restoration":[5],"filter":[6,29,56,63,91,110],"that":[7,71],"uses":[8,72],"a":[9,49,73,95],"mean,":[11],"variance":[13],"(NMNV)":[14],"model":[16,47],"and":[17,37,105,112],"minimizes":[18],"the":[19,33,55,60,81],"local":[20,34],"mean":[21],"square":[22],"error":[23],"is":[24,38,77,92],"developed.":[25],"The":[26,44,108],"adapts":[30],"itself":[31],"to":[32,40,79,94],"statistics":[36],"able":[39],"do":[41],"space-variant":[42],"processing.":[43],"NMNV":[45],"has":[48],"simple":[50],"dynamic":[51],"representation":[52],"which":[53],"simplifies":[54],"structure":[57],"considerably.":[58],"However,":[59],"optimal":[61],"still":[64],"requires":[65],"extensive":[66],"computation.":[67],"suboptimal":[69],"approach":[70],"reduced":[74],"update":[75],"concept":[76],"proposed":[78],"reduce":[80],"computational":[82],"efforts.":[83],"With":[84],"some":[85],"modifications,":[86],"this":[87],"extended":[93],"class":[96],"of":[97],"uncorrelated,":[98],"signal-dependent":[99,120],"noise":[100,104],"such":[101],"as":[102],"multiplicative":[103],"Poisson":[106],"noise.":[107],"explicit":[109],"structures":[111],"simulation":[113],"results":[114],"for":[115],"images":[116],"degraded":[117],"by":[118],"these":[119],"noises":[121],"are":[122],"presented.":[123]},"counts_by_year":[{"year":2015,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}