{"id":"https://openalex.org/W2090466915","doi":"https://doi.org/10.1109/ccece.2009.5090278","title":"Contourlet based image compression using controlled modification of coefficients","display_name":"Contourlet based image compression using controlled modification of coefficients","publication_year":2009,"publication_date":"2009-05-01","ids":{"openalex":"https://openalex.org/W2090466915","doi":"https://doi.org/10.1109/ccece.2009.5090278","mag":"2090466915"},"language":"en","primary_location":{"id":"doi:10.1109/ccece.2009.5090278","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ccece.2009.5090278","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 Canadian Conference on Electrical and Computer Engineering","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/A5086843767","display_name":"Nader Karimi","orcid":"https://orcid.org/0000-0001-8904-1607"},"institutions":[{"id":"https://openalex.org/I170013655","display_name":"Isfahan University of Technology","ror":"https://ror.org/00af3sa43","country_code":"IR","type":"education","lineage":["https://openalex.org/I170013655"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"N. Karimi","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran","institution_ids":["https://openalex.org/I170013655"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001420311","display_name":"Shadrokh Samavi","orcid":"https://orcid.org/0000-0003-3951-3770"},"institutions":[{"id":"https://openalex.org/I170013655","display_name":"Isfahan University of Technology","ror":"https://ror.org/00af3sa43","country_code":"IR","type":"education","lineage":["https://openalex.org/I170013655"]},{"id":"https://openalex.org/I98251732","display_name":"McMaster University","ror":"https://ror.org/02fa3aq29","country_code":"CA","type":"education","lineage":["https://openalex.org/I98251732"]}],"countries":["CA","IR"],"is_corresponding":false,"raw_author_name":"S. Samavi","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran","McMaster University, Hamilton, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran","institution_ids":["https://openalex.org/I170013655"]},{"raw_affiliation_string":"McMaster University, Hamilton, Canada","institution_ids":["https://openalex.org/I98251732"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055466933","display_name":"Shahram Shirani","orcid":"https://orcid.org/0000-0002-7217-3467"},"institutions":[{"id":"https://openalex.org/I98251732","display_name":"McMaster University","ror":"https://ror.org/02fa3aq29","country_code":"CA","type":"education","lineage":["https://openalex.org/I98251732"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"S. Shirani","raw_affiliation_strings":["McMaster University, Hamilton, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"McMaster University, Hamilton, Canada","institution_ids":["https://openalex.org/I98251732"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102759044","display_name":"Hossein Talebi","orcid":"https://orcid.org/0000-0002-5962-2563"},"institutions":[{"id":"https://openalex.org/I170013655","display_name":"Isfahan University of Technology","ror":"https://ror.org/00af3sa43","country_code":"IR","type":"education","lineage":["https://openalex.org/I170013655"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"H. Talebi","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran","institution_ids":["https://openalex.org/I170013655"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084254296","display_name":"S.M.A Zaynolabedin","orcid":null},"institutions":[{"id":"https://openalex.org/I170013655","display_name":"Isfahan University of Technology","ror":"https://ror.org/00af3sa43","country_code":"IR","type":"education","lineage":["https://openalex.org/I170013655"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"S.M.A Zaynolabedin","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan, Iran","institution_ids":["https://openalex.org/I170013655"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.17386652,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"991","last_page":"994"},"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":0.9962000250816345,"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":0.9512526988983154},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6018211841583252},{"id":"https://openalex.org/keywords/compression","display_name":"Compression (physics)","score":0.5955869555473328},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5832313895225525},{"id":"https://openalex.org/keywords/wavelet-transform","display_name":"Wavelet transform","score":0.5482868552207947},{"id":"https://openalex.org/keywords/image-compression","display_name":"Image compression","score":0.5386701822280884},{"id":"https://openalex.org/keywords/entropy","display_name":"Entropy (arrow of time)","score":0.5321176648139954},{"id":"https://openalex.org/keywords/data-compression","display_name":"Data compression","score":0.524112343788147},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.4535355567932129},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.437100887298584},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3259231150150299},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3213924169540405},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.3044292628765106},{"id":"https://openalex.org/keywords/image-processing","display_name":"Image processing","score":0.19065186381340027},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.07519996166229248}],"concepts":[{"id":"https://openalex.org/C20479862","wikidata":"https://www.wikidata.org/wiki/Q5165589","display_name":"Contourlet","level":4,"score":0.9512526988983154},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6018211841583252},{"id":"https://openalex.org/C180016635","wikidata":"https://www.wikidata.org/wiki/Q2712821","display_name":"Compression (physics)","level":2,"score":0.5955869555473328},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5832313895225525},{"id":"https://openalex.org/C196216189","wikidata":"https://www.wikidata.org/wiki/Q2867","display_name":"Wavelet transform","level":3,"score":0.5482868552207947},{"id":"https://openalex.org/C13481523","wikidata":"https://www.wikidata.org/wiki/Q412438","display_name":"Image compression","level":4,"score":0.5386701822280884},{"id":"https://openalex.org/C106301342","wikidata":"https://www.wikidata.org/wiki/Q4117933","display_name":"Entropy (arrow of time)","level":2,"score":0.5321176648139954},{"id":"https://openalex.org/C78548338","wikidata":"https://www.wikidata.org/wiki/Q2493","display_name":"Data compression","level":2,"score":0.524112343788147},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.4535355567932129},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.437100887298584},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3259231150150299},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3213924169540405},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.3044292628765106},{"id":"https://openalex.org/C9417928","wikidata":"https://www.wikidata.org/wiki/Q1070689","display_name":"Image processing","level":3,"score":0.19065186381340027},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.07519996166229248},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ccece.2009.5090278","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ccece.2009.5090278","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 Canadian Conference on Electrical and Computer Engineering","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1485280399","https://openalex.org/W1559802437","https://openalex.org/W1603802649","https://openalex.org/W1970502290","https://openalex.org/W2111869061","https://openalex.org/W2116555067","https://openalex.org/W2117853853","https://openalex.org/W2122130821","https://openalex.org/W2134412393","https://openalex.org/W2142384583","https://openalex.org/W2144932102","https://openalex.org/W2145263492","https://openalex.org/W6628911976"],"related_works":["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","https://openalex.org/W2039907281"],"abstract_inverted_index":{"A":[0],"new":[1],"compression":[2,19,90],"algorithm":[3,23,76,102,119,122],"is":[4,33,47,103,124],"proposed":[5,22],"in":[6,27],"this":[7],"paper":[8],"which":[9,123],"uses":[10],"the":[11,21,25,37,56,61,65,68,93,97,106,115,127],"contourlet":[12,133],"transform.":[13],"Unlike":[14],"contourlet-based":[15],"non-linear":[16],"approximation":[17],"(NLA)":[18],"algorithms,":[20],"modifies":[24],"coefficients":[26],"a":[28,40,49],"controlled":[29],"manner.":[30],"The":[31,70,110],"modification":[32],"performed":[34,59],"so":[35],"that":[36,74],"difference":[38],"between":[39],"modified":[41],"coefficient":[42],"and":[43,132],"its":[44],"original":[45],"value":[46],"within":[48],"certain":[50],"range.":[51],"To":[52],"achieve":[53],"higher":[54,80,104],"compression,":[55],"modifications":[57],"are":[58],"with":[60,79],"goal":[62],"of":[63,67,96,117,130],"minimizing":[64],"entropy":[66],"coefficients.":[69],"implementation":[71,111],"results":[72,112],"show":[73,114],"our":[75,101,118],"produces":[77],"images":[78,98],"PSNRs,":[81],"for":[82],"similar":[83],"bit-rate":[84],"conditions,":[85],"as":[86],"compared":[87],"to":[88],"NLA":[89,108],"algorithms.":[91,109],"Furthermore,":[92],"visual":[94],"quality":[95],"produced":[99],"by":[100],"than":[105],"mentioned":[107],"also":[113],"superiority":[116],"over":[120],"WBCT":[121],"based":[125],"on":[126],"joint":[128],"application":[129],"wavelet":[131],"transforms.":[134]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}