{"id":"https://openalex.org/W2039735066","doi":"https://doi.org/10.1515/jisys-2013-0097","title":"A Novel Approach for Image Enhancement via Nonsubsampled Contourlet Transform","display_name":"A Novel Approach for Image Enhancement via Nonsubsampled Contourlet Transform","publication_year":2014,"publication_date":"2014-04-16","ids":{"openalex":"https://openalex.org/W2039735066","doi":"https://doi.org/10.1515/jisys-2013-0097","mag":"2039735066"},"language":"en","primary_location":{"id":"doi:10.1515/jisys-2013-0097","is_oa":true,"landing_page_url":"https://doi.org/10.1515/jisys-2013-0097","pdf_url":"https://www.degruyter.com/document/doi/10.1515/jisys-2013-0097/pdf","source":{"id":"https://openalex.org/S2764846071","display_name":"Journal of Intelligent Systems","issn_l":"0334-1860","issn":["0334-1860","2191-026X"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310315148","host_organization_name":"IlmuKomputer.Com","host_organization_lineage":["https://openalex.org/P4310315148"],"host_organization_lineage_names":["IlmuKomputer.Com"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Intelligent Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://www.degruyter.com/document/doi/10.1515/jisys-2013-0097/pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5045963406","display_name":"Yunlan Tan","orcid":null},"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"]},{"id":"https://openalex.org/I14748160","display_name":"Jinggangshan University","ror":"https://ror.org/04exd0a76","country_code":"CN","type":"education","lineage":["https://openalex.org/I14748160"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunlan Tan","raw_affiliation_strings":["College of Electronics and Information, Tongji University, Shanghai, 201804, China; and School of Electronics and Information,","Jinggangshan University, Jiangxi 343009, China","CCCC Water Transportation Consultants Co., Ltd., Beijing 100088, China","College of Electronics and Information, Jinggangshan University, Jiangxi 343009, China,","School of Electronics and Information, Jinggangshan University, Jiangxi 343009, China","College of Electronics and Information, Tongji University, Shanghai, 201804, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronics and Information, Tongji University, Shanghai, 201804, China; and School of Electronics and Information,","institution_ids":["https://openalex.org/I116953780"]},{"raw_affiliation_string":"Jinggangshan University, Jiangxi 343009, China","institution_ids":["https://openalex.org/I14748160"]},{"raw_affiliation_string":"CCCC Water Transportation Consultants Co., Ltd., Beijing 100088, China","institution_ids":[]},{"raw_affiliation_string":"College of Electronics and Information, Jinggangshan University, Jiangxi 343009, China,","institution_ids":["https://openalex.org/I14748160"]},{"raw_affiliation_string":"School of Electronics and Information, Jinggangshan University, Jiangxi 343009, China","institution_ids":["https://openalex.org/I14748160"]},{"raw_affiliation_string":"College of Electronics and Information, Tongji University, Shanghai, 201804, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100388741","display_name":"Chao Li","orcid":"https://orcid.org/0000-0003-1932-7698"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chao Li","raw_affiliation_strings":["CCCC Water Transportation Consultants Co., Ltd., Beijing 100088, China","3CCCC Water Transportation Consultants Co., Ltd., Beijing 100088, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CCCC Water Transportation Consultants Co., Ltd., Beijing 100088, China","institution_ids":[]},{"raw_affiliation_string":"3CCCC Water Transportation Consultants Co., Ltd., Beijing 100088, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100338855","display_name":"Guangyao Li","orcid":"https://orcid.org/0000-0002-3150-1356"},"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":"Guangyao Li","raw_affiliation_strings":["College of Electronics and Information, Tongji University, Shanghai, 201804, China","1College of Electronics and Information, Tongji University, Shanghai, 201804, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronics and Information, Tongji University, Shanghai, 201804, China","institution_ids":["https://openalex.org/I116953780"]},{"raw_affiliation_string":"1College of Electronics and Information, Tongji University, Shanghai, 201804, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108577700","display_name":"Wenlang Luo","orcid":null},"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":true,"raw_author_name":"Wenlang Luo","raw_affiliation_strings":["College of Electronics and Information, Tongji University, Shanghai, 201804, China","1College of Electronics and Information, Tongji University, Shanghai, 201804, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronics and Information, Tongji University, Shanghai, 201804, China","institution_ids":["https://openalex.org/I116953780"]},{"raw_affiliation_string":"1College of Electronics and Information, Tongji University, Shanghai, 201804, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066281595","display_name":"Weidong Tang","orcid":"https://orcid.org/0000-0002-1263-1964"},"institutions":[{"id":"https://openalex.org/I14748160","display_name":"Jinggangshan University","ror":"https://ror.org/04exd0a76","country_code":"CN","type":"education","lineage":["https://openalex.org/I14748160"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weidong Tang","raw_affiliation_strings":["School of Electronics and Information, Jinggangshan University, Jiangxi 343009, China","2School of Electronics and Information, Jinggangshan University, Jiangxi 343009, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronics and Information, Jinggangshan University, Jiangxi 343009, China","institution_ids":["https://openalex.org/I14748160"]},{"raw_affiliation_string":"2School of Electronics and Information, Jinggangshan University, Jiangxi 343009, China","institution_ids":["https://openalex.org/I14748160"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5108577700"],"corresponding_institution_ids":["https://openalex.org/I116953780"],"apc_list":{"value":1000,"currency":"EUR","value_usd":1078},"apc_paid":{"value":1000,"currency":"EUR","value_usd":1078},"fwci":0.4517,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.69665415,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"23","issue":"3","first_page":"345","last_page":"355"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11659","display_name":"Advanced Image Fusion Techniques","score":1.0,"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":1.0,"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9994999766349792,"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/T11019","display_name":"Image Enhancement Techniques","score":0.9987000226974487,"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":0.9871202111244202},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6421984434127808},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5895446538925171},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.5522428154945374},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.539136528968811},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4993164539337158},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.49706724286079407},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.48258864879608154},{"id":"https://openalex.org/keywords/entropy","display_name":"Entropy (arrow of time)","score":0.4772367477416992},{"id":"https://openalex.org/keywords/standard-deviation","display_name":"Standard deviation","score":0.4541179835796356},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4437849819660187},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.40819936990737915},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.11479818820953369},{"id":"https://openalex.org/keywords/wavelet-transform","display_name":"Wavelet transform","score":0.09383079409599304},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07364058494567871}],"concepts":[{"id":"https://openalex.org/C20479862","wikidata":"https://www.wikidata.org/wiki/Q5165589","display_name":"Contourlet","level":4,"score":0.9871202111244202},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6421984434127808},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5895446538925171},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.5522428154945374},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.539136528968811},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4993164539337158},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.49706724286079407},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.48258864879608154},{"id":"https://openalex.org/C106301342","wikidata":"https://www.wikidata.org/wiki/Q4117933","display_name":"Entropy (arrow of time)","level":2,"score":0.4772367477416992},{"id":"https://openalex.org/C22679943","wikidata":"https://www.wikidata.org/wiki/Q159375","display_name":"Standard deviation","level":2,"score":0.4541179835796356},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4437849819660187},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.40819936990737915},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.11479818820953369},{"id":"https://openalex.org/C196216189","wikidata":"https://www.wikidata.org/wiki/Q2867","display_name":"Wavelet transform","level":3,"score":0.09383079409599304},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07364058494567871},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1515/jisys-2013-0097","is_oa":true,"landing_page_url":"https://doi.org/10.1515/jisys-2013-0097","pdf_url":"https://www.degruyter.com/document/doi/10.1515/jisys-2013-0097/pdf","source":{"id":"https://openalex.org/S2764846071","display_name":"Journal of Intelligent Systems","issn_l":"0334-1860","issn":["0334-1860","2191-026X"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310315148","host_organization_name":"IlmuKomputer.Com","host_organization_lineage":["https://openalex.org/P4310315148"],"host_organization_lineage_names":["IlmuKomputer.Com"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Intelligent Systems","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:e4ccf4a6c6fc48b8bbe8c282329e9482","is_oa":true,"landing_page_url":"https://doaj.org/article/e4ccf4a6c6fc48b8bbe8c282329e9482","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":"Journal of Intelligent Systems, Vol 23, Iss 3, Pp 345-355 (2014)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1515/jisys-2013-0097","is_oa":true,"landing_page_url":"https://doi.org/10.1515/jisys-2013-0097","pdf_url":"https://www.degruyter.com/document/doi/10.1515/jisys-2013-0097/pdf","source":{"id":"https://openalex.org/S2764846071","display_name":"Journal of Intelligent Systems","issn_l":"0334-1860","issn":["0334-1860","2191-026X"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310315148","host_organization_name":"IlmuKomputer.Com","host_organization_lineage":["https://openalex.org/P4310315148"],"host_organization_lineage_names":["IlmuKomputer.Com"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Intelligent Systems","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2039735066.pdf","grobid_xml":"https://content.openalex.org/works/W2039735066.grobid-xml"},"referenced_works_count":12,"referenced_works":["https://openalex.org/W2061501622","https://openalex.org/W2069912449","https://openalex.org/W2076293758","https://openalex.org/W2102993377","https://openalex.org/W2106002835","https://openalex.org/W2112545418","https://openalex.org/W2116988482","https://openalex.org/W2117853853","https://openalex.org/W2128926607","https://openalex.org/W2128989367","https://openalex.org/W2143585916","https://openalex.org/W2166538457"],"related_works":["https://openalex.org/W1973473859","https://openalex.org/W2039333314","https://openalex.org/W2356416985","https://openalex.org/W2358940597","https://openalex.org/W2003244095","https://openalex.org/W1989187133","https://openalex.org/W2473079406","https://openalex.org/W2362680912","https://openalex.org/W2376403796","https://openalex.org/W2056801006"],"abstract_inverted_index":{"Abstract":[0],"An":[1],"improved":[2],"image":[3,20,39,113,175],"enhancement":[4],"approach":[5],"via":[6],"nonsubsampled":[7,24],"contourlet":[8],"transform":[9,21],"(NSCT)":[10],"is":[11,40,51,54,81,114,140],"proposed":[12,162],"in":[13,72,168],"this":[14],"article.":[15],"We":[16],"constructed":[17],"a":[18,29],"geometric":[19],"by":[22,56],"combining":[23],"directional":[25,74,90],"filter":[26],"banks":[27],"and":[28,46,61,64,105,133,153],"nonlinear":[30,78],"mapping":[31,79],"function.":[32],"Here,":[33],"the":[34,37,58,66,69,77,85,94,100,107,111,117,141,150,161,170],"NSCT":[35,86,119],"of":[36,68,96,102,173],"input":[38],"first":[41,138],"decomposed":[42],"for":[43,88],"L":[44],"-levels":[45],"its":[47,178],"noise":[48,59,108],"standard":[49],"deviation":[50],"estimated.":[52],"It":[53],"followed":[55],"calculating":[57],"variance":[60],"threshold":[62],"calculation,":[63],"computing":[65],"magnitude":[67],"corresponding":[70],"coefficients":[71,87,95,101],"all":[73],"subbands.":[75],"Then,":[76],"function":[80],"used":[82],"to":[83],"modify":[84],"each":[89],"subband,":[91],"which":[92],"keeps":[93],"strong":[97],"edges,":[98,104],"amplifies":[99],"weak":[103],"zeros":[106],"coefficients.":[109,120],"Finally,":[110],"enhanced":[112],"reconstructed":[115],"from":[116,129],"modified":[118],"Three":[121],"experiments":[122,148],"are":[123,149],"carried":[124],"out":[125],"respectively":[126],"on":[127,144],"images":[128],"subjective":[130],"vision":[131],"quality":[132],"objective":[134],"evaluation":[135],"measures.":[136],"The":[137,146,156],"experiment":[139],"algorithm":[142],"performed":[143],"images.":[145],"subsequent":[147],"information":[151],"entropy":[152],"spatial":[154],"frequency.":[155],"experimental":[157],"results":[158],"demonstrate":[159],"that":[160],"method":[163],"can":[164],"gain":[165],"better":[166],"performance":[167],"enhancing":[169],"low-contrast":[171],"parts":[172],"an":[174],"while":[176],"keeping":[177],"clear":[179],"edges.":[180]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2016-06-24T00:00:00"}