{"id":"https://openalex.org/W2023640339","doi":"https://doi.org/10.1109/bmei.2012.6512939","title":"Medical image denoising based on adaptive thresholding in contourlet domain","display_name":"Medical image denoising based on adaptive thresholding in contourlet domain","publication_year":2012,"publication_date":"2012-10-01","ids":{"openalex":"https://openalex.org/W2023640339","doi":"https://doi.org/10.1109/bmei.2012.6512939","mag":"2023640339"},"language":"en","primary_location":{"id":"doi:10.1109/bmei.2012.6512939","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bmei.2012.6512939","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 5th International Conference on BioMedical Engineering and Informatics","raw_type":"proceedings-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/A5066059735","display_name":"Majida Kazmi","orcid":"https://orcid.org/0000-0002-2767-3139"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Majida Kazmi","raw_affiliation_strings":["Pakistan Naval Engineering College (PNEC), Karachi, Pakistan","Pakistan Naval Eng. Coll. (PNEC), Karachi, Pakistan"],"affiliations":[{"raw_affiliation_string":"Pakistan Naval Engineering College (PNEC), Karachi, Pakistan","institution_ids":[]},{"raw_affiliation_string":"Pakistan Naval Eng. Coll. (PNEC), Karachi, Pakistan","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101613855","display_name":"Arshad Aziz","orcid":"https://orcid.org/0000-0002-5085-7382"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Arshad Aziz","raw_affiliation_strings":["Pakistan Naval Engineering College (PNEC), Karachi, Pakistan","Pakistan Naval Eng. Coll. (PNEC), Karachi, Pakistan"],"affiliations":[{"raw_affiliation_string":"Pakistan Naval Engineering College (PNEC), Karachi, Pakistan","institution_ids":[]},{"raw_affiliation_string":"Pakistan Naval Eng. Coll. (PNEC), Karachi, Pakistan","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103017906","display_name":"Pervez Akhtar","orcid":"https://orcid.org/0000-0002-5549-0292"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Pervez Akhtar","raw_affiliation_strings":["Pakistan Naval Engineering College (PNEC), Karachi, Pakistan","Pakistan Naval Eng. Coll. (PNEC), Karachi, Pakistan"],"affiliations":[{"raw_affiliation_string":"Pakistan Naval Engineering College (PNEC), Karachi, Pakistan","institution_ids":[]},{"raw_affiliation_string":"Pakistan Naval Eng. Coll. (PNEC), Karachi, Pakistan","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080000653","display_name":"Aliza Maftun","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Aliza Maftun","raw_affiliation_strings":["Pakistan Naval Engineering College (PNEC), Karachi, Pakistan","Pakistan Naval Eng. Coll. (PNEC), Karachi, Pakistan"],"affiliations":[{"raw_affiliation_string":"Pakistan Naval Engineering College (PNEC), Karachi, Pakistan","institution_ids":[]},{"raw_affiliation_string":"Pakistan Naval Eng. Coll. (PNEC), Karachi, Pakistan","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5058618320","display_name":"Wasay Bin Afaq","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wasay Bin Afaq","raw_affiliation_strings":["Pakistan Naval Engineering College (PNEC), Karachi, Pakistan","Pakistan Naval Eng. Coll. (PNEC), Karachi, Pakistan"],"affiliations":[{"raw_affiliation_string":"Pakistan Naval Engineering College (PNEC), Karachi, Pakistan","institution_ids":[]},{"raw_affiliation_string":"Pakistan Naval Eng. Coll. (PNEC), Karachi, Pakistan","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5066059735"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.8236,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.74324571,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"313","last_page":"318"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9997000098228455,"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":0.9997000098228455,"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":0.9997000098228455,"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/T10052","display_name":"Medical Image Segmentation Techniques","score":0.9919000267982483,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/contourlet","display_name":"Contourlet","score":0.9775213003158569},{"id":"https://openalex.org/keywords/thresholding","display_name":"Thresholding","score":0.7984662055969238},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7537504434585571},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.7329748272895813},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7158401012420654},{"id":"https://openalex.org/keywords/image-denoising","display_name":"Image denoising","score":0.6313666105270386},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5736560225486755},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5704498291015625},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5666562914848328},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.47740450501441956},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4713406264781952},{"id":"https://openalex.org/keywords/medical-imaging","display_name":"Medical imaging","score":0.4195905923843384},{"id":"https://openalex.org/keywords/wavelet-transform","display_name":"Wavelet transform","score":0.13923877477645874},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.10850661993026733}],"concepts":[{"id":"https://openalex.org/C20479862","wikidata":"https://www.wikidata.org/wiki/Q5165589","display_name":"Contourlet","level":4,"score":0.9775213003158569},{"id":"https://openalex.org/C191178318","wikidata":"https://www.wikidata.org/wiki/Q2256906","display_name":"Thresholding","level":3,"score":0.7984662055969238},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7537504434585571},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.7329748272895813},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7158401012420654},{"id":"https://openalex.org/C2983327147","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Image denoising","level":3,"score":0.6313666105270386},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5736560225486755},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5704498291015625},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5666562914848328},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.47740450501441956},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4713406264781952},{"id":"https://openalex.org/C31601959","wikidata":"https://www.wikidata.org/wiki/Q931309","display_name":"Medical imaging","level":2,"score":0.4195905923843384},{"id":"https://openalex.org/C196216189","wikidata":"https://www.wikidata.org/wiki/Q2867","display_name":"Wavelet transform","level":3,"score":0.13923877477645874},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.10850661993026733},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/bmei.2012.6512939","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bmei.2012.6512939","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 5th International Conference on BioMedical Engineering and Informatics","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W631225344","https://openalex.org/W1971103086","https://openalex.org/W2103504761","https://openalex.org/W2114856503","https://openalex.org/W2117465325","https://openalex.org/W2117853853","https://openalex.org/W2125527601","https://openalex.org/W2146842127","https://openalex.org/W2980358916","https://openalex.org/W4253920039"],"related_works":["https://openalex.org/W2384265908","https://openalex.org/W2285190115","https://openalex.org/W2011169292","https://openalex.org/W2007361705","https://openalex.org/W2065623805","https://openalex.org/W2000218292","https://openalex.org/W2030111171","https://openalex.org/W4252851654","https://openalex.org/W2038551610","https://openalex.org/W2133587243"],"abstract_inverted_index":{"Substantial":[0],"noises":[1,34],"have":[2,59],"been":[3],"added":[4],"in":[5,30,76],"medical":[6],"images":[7,29,83],"during":[8],"its":[9,14],"acquisition":[10],"which":[11],"adversely":[12],"affects":[13],"quality":[15,81],"and":[16,38,70],"hence":[17],"may":[18],"leads":[19],"to":[20,26,32,51,96],"misdiagnosis.":[21],"Therefore":[22],"it":[23],"is":[24,91],"necessary":[25],"process":[27],"these":[28],"order":[31],"reduce":[33,52],"before":[35],"their":[36],"interpretation":[37],"analysis.":[39],"In":[40],"this":[41],"paper,":[42],"we":[43],"proposed":[44,62,89],"a":[45],"Contourlet":[46],"based":[47],"adaptive":[48],"threshold":[49],"method":[50,63,74,90],"the":[53,61],"noise":[54],"of":[55,78,82],"MRI":[56],"images.":[57],"We":[58],"compared":[60],"with":[64],"other":[65,97],"conventional":[66],"de":[67],"noising":[68],"methods,":[69],"found":[71],"that":[72],"our":[73,88],"outperforms":[75],"terms":[77],"PSNR.":[79],"Visual":[80],"after":[84],"denoising":[85],"by":[86],"using":[87],"also":[92],"superior":[93],"as":[94],"compare":[95],"methods.":[98]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}