{"id":"https://openalex.org/W2590830134","doi":"https://doi.org/10.1364/boe.8.001721","title":"Pixel-based speckle adjustment for noise reduction in Fourier-domain OCT images","display_name":"Pixel-based speckle adjustment for noise reduction in Fourier-domain OCT images","publication_year":2017,"publication_date":"2017-02-21","ids":{"openalex":"https://openalex.org/W2590830134","doi":"https://doi.org/10.1364/boe.8.001721","mag":"2590830134","pmid":"https://pubmed.ncbi.nlm.nih.gov/28663860","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/5480575"},"language":"en","primary_location":{"id":"doi:10.1364/boe.8.001721","doi":"https://doi.org/10.1364/boe.8.001721","is_oa":true,"landing_page_url":"https://doi.org/10.1364/boe.8.001721","pdf_url":null,"source":{"id":"https://openalex.org/S104118869","display_name":"Biomedical Optics Express","issn_l":"2156-7085","issn":["2156-7085"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","doyens","jufo-1","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310315679","host_organization_name":"Optica Publishing Group","host_organization_lineage":["https://openalex.org/P4310315679"],"host_organization_lineage_names":["Optica Publishing Group"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biomedical Optics Express","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1364/boe.8.001721","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100336634","display_name":"Anqi Zhang","orcid":"https://orcid.org/0000-0002-9339-6619","observed_orcids":["https://orcid.org/0000-0002-9339-6619"]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Anqi Zhang","raw_affiliation_strings":["Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD 21205, USA","This work was performed when Dr. Anqi Zhang was with the Johns Hopkins University, Baltimore, MD. Currently Dr. Anqi Zhang is with PhotoniCare Inc., Champaign, IL 61820, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD 21205, USA","institution_ids":["https://openalex.org/I145311948"]},{"raw_affiliation_string":"This work was performed when Dr. Anqi Zhang was with the Johns Hopkins University, Baltimore, MD. Currently Dr. Anqi Zhang is with PhotoniCare Inc., Champaign, IL 61820, USA","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109031304","display_name":"Jiefeng Xi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jiefeng Xi","raw_affiliation_strings":["Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD 21205, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD 21205, USA","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049902919","display_name":"Jitao Sun","orcid":"https://orcid.org/0000-0002-9581-8336","observed_orcids":["https://orcid.org/0000-0002-9581-8336"]},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jitao Sun","raw_affiliation_strings":["Department of Mathematics, Tongji University, Shanghai, 200092, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Tongji University, Shanghai, 200092, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014330564","display_name":"Xingde D. Li","orcid":"https://orcid.org/0000-0002-4725-3297","observed_orcids":["https://orcid.org/0000-0002-4725-3297"]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Xingde Li","raw_affiliation_strings":["Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD 21205, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD 21205, USA","institution_ids":["https://openalex.org/I145311948"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5014330564"],"corresponding_institution_ids":["https://openalex.org/I145311948"],"apc_list":{"value":1913,"currency":"USD","value_usd":1913},"apc_paid":{"value":1913,"currency":"USD","value_usd":1913},"fwci":1.3018,"has_fulltext":false,"cited_by_count":21,"citation_normalized_percentile":{"value":0.7656141,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"8","issue":"3","first_page":"1721","last_page":"1721"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11569","display_name":"Optical Coherence Tomography Applications","score":0.9667999744415283,"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/T11569","display_name":"Optical Coherence Tomography Applications","score":0.9667999744415283,"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.029899999499320984,"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/T11484","display_name":"Adaptive optics and wavefront sensing","score":0.0010000000474974513,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/speckle-reduction","display_name":"speckle reduction","score":0.9810000061988831},{"id":"https://openalex.org/keywords/fourier-domain-optical-coherence-tomography","display_name":"Fourier-domain optical coherence tomography","score":0.9660000205039978},{"id":"https://openalex.org/keywords/wavelet-thresholding","display_name":"wavelet thresholding","score":0.9020000100135803},{"id":"https://openalex.org/keywords/contourlet-transform","display_name":"contourlet transform","score":0.8320000171661377},{"id":"https://openalex.org/keywords/image-enhancement","display_name":"image enhancement","score":0.6600000262260437}],"concepts":[{"id":"https://openalex.org/C180940675","wikidata":"https://www.wikidata.org/wiki/Q7575045","display_name":"Speckle noise","level":3,"score":0.822043776512146},{"id":"https://openalex.org/C2778818243","wikidata":"https://www.wikidata.org/wiki/Q899552","display_name":"Optical coherence tomography","level":2,"score":0.637563169002533},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.6239541172981262},{"id":"https://openalex.org/C102290492","wikidata":"https://www.wikidata.org/wiki/Q7575045","display_name":"Speckle pattern","level":2,"score":0.6040374040603638},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.5998727083206177},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5524696707725525},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.5494059324264526},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5131495594978333},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5059763789176941},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.49982690811157227},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.47105666995048523},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4536251425743103},{"id":"https://openalex.org/C3019555358","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Fourier domain","level":3,"score":0.4504849910736084},{"id":"https://openalex.org/C99507719","wikidata":"https://www.wikidata.org/wiki/Q1504755","display_name":"Speckle imaging","level":3,"score":0.4311039447784424},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.4191089868545532},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.267467200756073},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.16118931770324707},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1364/boe.8.001721","doi":"https://doi.org/10.1364/boe.8.001721","is_oa":true,"landing_page_url":"https://doi.org/10.1364/boe.8.001721","pdf_url":null,"source":{"id":"https://openalex.org/S104118869","display_name":"Biomedical Optics Express","issn_l":"2156-7085","issn":["2156-7085"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","doyens","jufo-1","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310315679","host_organization_name":"Optica Publishing Group","host_organization_lineage":["https://openalex.org/P4310315679"],"host_organization_lineage_names":["Optica Publishing Group"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biomedical Optics Express","raw_type":"journal-article"},{"id":"pmh:oai:europepmc.org:4333656","doi":null,"is_oa":true,"landing_page_url":"http://europepmc.org/articles/PMC5480575","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:5480575","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/5480575","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":"Biomed Opt Express","raw_type":"Text"},{"id":"pmid:28663860","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/28663860","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,"listed_in":[],"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":"Biomedical optics express","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1364/boe.8.001721","doi":"https://doi.org/10.1364/boe.8.001721","is_oa":true,"landing_page_url":"https://doi.org/10.1364/boe.8.001721","pdf_url":null,"source":{"id":"https://openalex.org/S104118869","display_name":"Biomedical Optics Express","issn_l":"2156-7085","issn":["2156-7085"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","doyens","jufo-1","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310315679","host_organization_name":"Optica Publishing Group","host_organization_lineage":["https://openalex.org/P4310315679"],"host_organization_lineage_names":["Optica Publishing Group"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biomedical Optics Express","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G100450950","display_name":"Micro Coherence Imaging Technology for Assessing Obstructive Lung Disease in vivo","funder_award_id":"R01HL121788","funder_id":"https://openalex.org/F4320337338","funder_display_name":"National Heart, Lung, and Blood Institute"},{"id":"https://openalex.org/G1648615156","display_name":"Nonlinear Optical Endomicroscopy for Optical Biopsy of Cancer in Internal Organs","funder_award_id":"R01CA153023","funder_id":"https://openalex.org/F4320337351","funder_display_name":"National Cancer Institute"}],"funders":[{"id":"https://openalex.org/F4320332161","display_name":"National Institutes of Health","ror":"https://ror.org/01cwqze88"},{"id":"https://openalex.org/F4320337338","display_name":"National Heart, Lung, and Blood Institute","ror":"https://ror.org/012pb6c26"},{"id":"https://openalex.org/F4320337351","display_name":"National Cancer Institute","ror":"https://ror.org/040gcmg81"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W1969370809","https://openalex.org/W1980118119","https://openalex.org/W1987304071","https://openalex.org/W1987382181","https://openalex.org/W1997609586","https://openalex.org/W2012407707","https://openalex.org/W2023042848","https://openalex.org/W2037636472","https://openalex.org/W2040537677","https://openalex.org/W2047015107","https://openalex.org/W2052239345","https://openalex.org/W2052602819","https://openalex.org/W2053091259","https://openalex.org/W2057535513","https://openalex.org/W2058584842","https://openalex.org/W2061240737","https://openalex.org/W2063749180","https://openalex.org/W2103457061","https://openalex.org/W2108304270","https://openalex.org/W2115528090","https://openalex.org/W2117853853","https://openalex.org/W2131408363","https://openalex.org/W2132846665","https://openalex.org/W2134582192","https://openalex.org/W2418802570","https://openalex.org/W4253229164"],"related_works":["https://openalex.org/W1999084660","https://openalex.org/W2082058201","https://openalex.org/W2995925730","https://openalex.org/W2150856122","https://openalex.org/W838805673","https://openalex.org/W2955259380","https://openalex.org/W2981553035","https://openalex.org/W1985259450","https://openalex.org/W2134339613","https://openalex.org/W2909925677"],"abstract_inverted_index":{"Speckle":[0],"resides":[1],"in":[2,23],"OCT":[3,8,25,34],"signals":[4],"and":[5,50],"inevitably":[6],"effects":[7],"image":[9,94],"quality.":[10,95],"In":[11,36],"this":[12,37],"work,":[13],"we":[14],"present":[15],"a":[16,46],"novel":[17],"method":[18,49,65,89],"for":[19,74],"speckle":[20,39,78,85],"noise":[21],"reduction":[22],"Fourier-domain":[24],"images,":[26],"which":[27],"utilizes":[28],"the":[29,54,60,77,87],"phase":[30],"information":[31],"of":[32,56,59,93],"complex":[33],"data.":[35],"method,":[38],"area":[40],"is":[41,71],"pre-delineated":[42],"pixelwise":[43],"based":[44],"on":[45],"phase-domain":[47],"processing":[48],"then":[51],"adjusted":[52],"by":[53],"results":[55],"wavelet":[57,68],"shrinkage":[58,64],"original":[61],"image.":[62],"Coefficient":[63],"such":[66],"as":[67],"or":[69],"contourlet":[70],"applied":[72],"afterwards":[73],"further":[75],"suppressing":[76],"noise.":[79],"Compared":[80],"with":[81],"conventional":[82],"methods":[83],"without":[84],"adjustment,":[86],"proposed":[88],"demonstrates":[90],"significant":[91],"improvement":[92]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":2}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2017-03-03T00:00:00"}
