{"id":"https://openalex.org/W2954941265","doi":"https://doi.org/10.1109/access.2019.2924674","title":"An Adaptive Contourlet HMM\u2013PCNN Model of Sparse Representation for Image Denoising","display_name":"An Adaptive Contourlet HMM\u2013PCNN Model of Sparse Representation for Image Denoising","publication_year":2019,"publication_date":"2019-01-01","ids":{"openalex":"https://openalex.org/W2954941265","doi":"https://doi.org/10.1109/access.2019.2924674","mag":"2954941265"},"language":"en","primary_location":{"id":"doi:10.1109/access.2019.2924674","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2924674","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08744583.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08744583.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5058570015","display_name":"Yongqing Yang","orcid":"https://orcid.org/0000-0003-2414-2719"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Guoan Yang","raw_affiliation_strings":["School of Electronic and Information Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0003-2414-2719","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080213032","display_name":"Zhengzhi Lu","orcid":"https://orcid.org/0000-0001-7392-6320"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhengzhi Lu","raw_affiliation_strings":["School of Electronic and Information Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0001-7392-6320","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089183792","display_name":"Junjie Yang","orcid":"https://orcid.org/0000-0002-1240-6417"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Junjie Yang","raw_affiliation_strings":["School of Electronic and Information Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0002-1240-6417","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100370091","display_name":"Yuhao Wang","orcid":"https://orcid.org/0000-0001-8400-2676"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuhao Wang","raw_affiliation_strings":["School of Electronic and Information Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0001-8400-2676","affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Xi\u2019an Jiaotong University, Xi\u2019an, China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, China","institution_ids":["https://openalex.org/I87445476"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5058570015"],"corresponding_institution_ids":["https://openalex.org/I87445476"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":3.0804,"has_fulltext":true,"cited_by_count":19,"citation_normalized_percentile":{"value":0.92210227,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"7","issue":null,"first_page":"88243","last_page":"88253"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9994999766349792,"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"}},"topics":[{"id":"https://openalex.org/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9994999766349792,"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/T12015","display_name":"Photoacoustic and Ultrasonic Imaging","score":0.9991999864578247,"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":0.9976999759674072,"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":0.9274735450744629},{"id":"https://openalex.org/keywords/hidden-markov-model","display_name":"Hidden Markov model","score":0.837897777557373},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6808313727378845},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.6709640026092529},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6483495831489563},{"id":"https://openalex.org/keywords/sparse-approximation","display_name":"Sparse approximation","score":0.5677154064178467},{"id":"https://openalex.org/keywords/wavelet-transform","display_name":"Wavelet transform","score":0.3683229386806488},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.36683666706085205},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.3331332206726074}],"concepts":[{"id":"https://openalex.org/C20479862","wikidata":"https://www.wikidata.org/wiki/Q5165589","display_name":"Contourlet","level":4,"score":0.9274735450744629},{"id":"https://openalex.org/C23224414","wikidata":"https://www.wikidata.org/wiki/Q176769","display_name":"Hidden Markov model","level":2,"score":0.837897777557373},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6808313727378845},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.6709640026092529},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6483495831489563},{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.5677154064178467},{"id":"https://openalex.org/C196216189","wikidata":"https://www.wikidata.org/wiki/Q2867","display_name":"Wavelet transform","level":3,"score":0.3683229386806488},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.36683666706085205},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.3331332206726074}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2019.2924674","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2924674","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08744583.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:f71d5a86c79a49a09ee10c3ee77919f8","is_oa":true,"landing_page_url":"https://doaj.org/article/f71d5a86c79a49a09ee10c3ee77919f8","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 7, Pp 88243-88253 (2019)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2019.2924674","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2924674","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08744583.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3377867632","display_name":null,"funder_award_id":"61673314","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4457116140","display_name":null,"funder_award_id":"2018YFB1700104","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2954941265.pdf","grobid_xml":"https://content.openalex.org/works/W2954941265.grobid-xml"},"referenced_works_count":30,"referenced_works":["https://openalex.org/W1538429890","https://openalex.org/W1560941629","https://openalex.org/W1906770428","https://openalex.org/W1982195338","https://openalex.org/W2032843526","https://openalex.org/W2033785850","https://openalex.org/W2043595713","https://openalex.org/W2046769852","https://openalex.org/W2089242029","https://openalex.org/W2105464873","https://openalex.org/W2123307468","https://openalex.org/W2128989367","https://openalex.org/W2144764737","https://openalex.org/W2145889472","https://openalex.org/W2606594217","https://openalex.org/W2608316337","https://openalex.org/W2750908294","https://openalex.org/W2751406077","https://openalex.org/W2767380400","https://openalex.org/W2780175926","https://openalex.org/W2781929852","https://openalex.org/W2794891752","https://openalex.org/W2796321537","https://openalex.org/W2804826563","https://openalex.org/W2807910487","https://openalex.org/W2891878684","https://openalex.org/W2898551219","https://openalex.org/W2963000668","https://openalex.org/W2963108975","https://openalex.org/W3099892526"],"related_works":["https://openalex.org/W2365283091","https://openalex.org/W415651045","https://openalex.org/W3087569769","https://openalex.org/W4248172957","https://openalex.org/W2429158807","https://openalex.org/W2056137412","https://openalex.org/W2100921133","https://openalex.org/W2378017270","https://openalex.org/W2108790520","https://openalex.org/W1438163363"],"abstract_inverted_index":{"In":[0,27],"this":[1,28,201],"paper,":[2],"we":[3,15,30,76,98,134,161],"propose":[4],"a":[5,33,38,83,168,177],"novel":[6],"model":[7,22,85,152,198,212],"of":[8,46,61,119,129,149,157],"sparse":[9,58],"representation":[10,59],"for":[11],"image":[12,40,164,179],"denoising":[13,165],"that":[14,86,194],"call":[16],"an":[17,78,100],"adaptive":[18],"contourlet":[19,34,53,196,207],"hidden":[20,209],"Markov":[21,210],"(HMM)-pulse-coupled":[23],"neural":[24],"network":[25],"(PCNN).":[26],"study,":[29],"first":[31],"adopted":[32],"transform":[35],"to":[36,41,81,104,205],"decompose":[37],"noisy":[39,123],"be":[42],"some":[43],"subband":[44],"coefficients":[45,156,184],"various":[47,50],"directions":[48],"at":[49],"scales.":[51],"The":[52,109,190],"emulated":[54],"extremely":[55],"well":[56],"the":[57,88,106,112,117,120,122,126,130,136,140,147,150,163,182,195,206,214],"performance":[60],"human":[62],"visual":[63],"perception,":[64],"such":[65],"as":[66],"its":[67],"multiscale":[68],"characteristics,":[69],"geometric":[70],"features,":[71],"and":[72,95,115,125,153,213],"bandpass":[73],"properties.":[74],"Second,":[75],"used":[77,99],"HMM":[79,131,151],"method":[80],"create":[82],"statistical":[84],"expressed":[87],"coefficient":[89],"relationships":[90],"in":[91,200],"intrabands,":[92],"interbands,":[93],"intrascales,":[94],"interscales.":[96],"Then":[97],"expectation-maximization":[101],"training":[102],"algorithm":[103],"obtain":[105],"state":[107,137],"probability.":[108],"result":[110],"included":[111],"state,":[113],"scale,":[114],"direction,":[116],"position":[118],"coefficient,":[121],"image,":[124],"parameter":[127],"set":[128],"model.":[132],"Third,":[133],"put":[135],"probability":[138,171],"into":[139,167],"PCNN":[141],"model,":[142],"which":[143],"could":[144],"adaptively":[145],"optimize":[146],"parameters":[148],"get":[154],"better":[155],"clean":[158,183],"images.":[159],"Finally,":[160],"transformed":[162],"problem":[166],"Bayesian":[169],"posterior":[170],"estimation":[172],"problem.":[173],"We":[174],"also":[175],"reconstructed":[176],"denoised":[178],"based":[180],"on":[181],"obtained":[185],"from":[186],"our":[187],"proposed":[188,199],"method.":[189,217],"experimental":[191],"results":[192],"show":[193],"HMM-PCNN":[197],"paper":[202],"is":[203],"superior":[204],"with":[208],"tree":[211],"wavelet":[215],"threshold":[216]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":1}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2019-07-12T00:00:00"}
