{"id":"https://openalex.org/W3113195621","doi":"https://doi.org/10.1155/2020/6612390","title":"Improved Chaos-Based Cryptosystem for Medical Image Encryption and Decryption","display_name":"Improved Chaos-Based Cryptosystem for Medical Image Encryption and Decryption","publication_year":2020,"publication_date":"2020-12-17","ids":{"openalex":"https://openalex.org/W3113195621","doi":"https://doi.org/10.1155/2020/6612390","mag":"3113195621"},"language":"en","primary_location":{"id":"doi:10.1155/2020/6612390","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2020/6612390","pdf_url":"https://downloads.hindawi.com/journals/sp/2020/6612390.pdf","source":{"id":"https://openalex.org/S166774750","display_name":"Scientific Programming","issn_l":"1058-9244","issn":["1058-9244","1875-919X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869","https://openalex.org/P4310320595"],"host_organization_lineage_names":["Hindawi Publishing Corporation","Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientific Programming","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://downloads.hindawi.com/journals/sp/2020/6612390.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5027233065","display_name":"Mohamed Gafsi","orcid":"https://orcid.org/0000-0002-3623-9844"},"institutions":[{"id":"https://openalex.org/I166928557","display_name":"University of Monastir","ror":"https://ror.org/00nhtcg76","country_code":"TN","type":"education","lineage":["https://openalex.org/I166928557"]}],"countries":["TN"],"is_corresponding":false,"raw_author_name":"Mohamed Gafsi","raw_affiliation_strings":["Universit\u00e9 de Monastir, Laboratoire d\u2019Electronique et de Micro\u00e9lectronique, LR99ES30, Monastir 5000, Tunisia"],"raw_orcid":"https://orcid.org/0000-0002-3623-9844","affiliations":[{"raw_affiliation_string":"Universit\u00e9 de Monastir, Laboratoire d\u2019Electronique et de Micro\u00e9lectronique, LR99ES30, Monastir 5000, Tunisia","institution_ids":["https://openalex.org/I166928557"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041744763","display_name":"Nessrine Abbassi","orcid":"https://orcid.org/0000-0002-7662-5096"},"institutions":[{"id":"https://openalex.org/I166928557","display_name":"University of Monastir","ror":"https://ror.org/00nhtcg76","country_code":"TN","type":"education","lineage":["https://openalex.org/I166928557"]}],"countries":["TN"],"is_corresponding":false,"raw_author_name":"Nessrine Abbassi","raw_affiliation_strings":["Universit\u00e9 de Monastir, Laboratoire d\u2019Electronique et de Micro\u00e9lectronique, LR99ES30, Monastir 5000, Tunisia"],"raw_orcid":"https://orcid.org/0000-0002-7662-5096","affiliations":[{"raw_affiliation_string":"Universit\u00e9 de Monastir, Laboratoire d\u2019Electronique et de Micro\u00e9lectronique, LR99ES30, Monastir 5000, Tunisia","institution_ids":["https://openalex.org/I166928557"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Mohamed Ali Hajjaji","orcid":"https://orcid.org/0000-0002-6372-2831"},"institutions":[{"id":"https://openalex.org/I166928557","display_name":"University of Monastir","ror":"https://ror.org/00nhtcg76","country_code":"TN","type":"education","lineage":["https://openalex.org/I166928557"]},{"id":"https://openalex.org/I8636806","display_name":"University of Sousse","ror":"https://ror.org/00dmpgj58","country_code":"TN","type":"education","lineage":["https://openalex.org/I8636806"]}],"countries":["TN"],"is_corresponding":true,"raw_author_name":"Mohamed Ali Hajjaji","raw_affiliation_strings":["Higher Institute of Applied Sciences and Technology, Sousse University, Sousse, Tunisia","Universit\u00e9 de Monastir, Laboratoire d\u2019Electronique et de Micro\u00e9lectronique, LR99ES30, Monastir 5000, Tunisia"],"raw_orcid":"https://orcid.org/0000-0002-6372-2831","affiliations":[{"raw_affiliation_string":"Higher Institute of Applied Sciences and Technology, Sousse University, Sousse, Tunisia","institution_ids":["https://openalex.org/I8636806"]},{"raw_affiliation_string":"Universit\u00e9 de Monastir, Laboratoire d\u2019Electronique et de Micro\u00e9lectronique, LR99ES30, Monastir 5000, Tunisia","institution_ids":["https://openalex.org/I166928557"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110133558","display_name":"Jihene Malek","orcid":null},"institutions":[{"id":"https://openalex.org/I166928557","display_name":"University of Monastir","ror":"https://ror.org/00nhtcg76","country_code":"TN","type":"education","lineage":["https://openalex.org/I166928557"]},{"id":"https://openalex.org/I8636806","display_name":"University of Sousse","ror":"https://ror.org/00dmpgj58","country_code":"TN","type":"education","lineage":["https://openalex.org/I8636806"]}],"countries":["TN"],"is_corresponding":false,"raw_author_name":"Jihene Malek","raw_affiliation_strings":["Higher Institute of Applied Sciences and Technology, Sousse University, Sousse, Tunisia","Universit\u00e9 de Monastir, Laboratoire d\u2019Electronique et de Micro\u00e9lectronique, LR99ES30, Monastir 5000, Tunisia"],"raw_orcid":"https://orcid.org/0000-0002-2588-3642","affiliations":[{"raw_affiliation_string":"Higher Institute of Applied Sciences and Technology, Sousse University, Sousse, Tunisia","institution_ids":["https://openalex.org/I8636806"]},{"raw_affiliation_string":"Universit\u00e9 de Monastir, Laboratoire d\u2019Electronique et de Micro\u00e9lectronique, LR99ES30, Monastir 5000, Tunisia","institution_ids":["https://openalex.org/I166928557"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070390073","display_name":"Abdellatif Mtibaa","orcid":"https://orcid.org/0000-0001-5180-9975"},"institutions":[{"id":"https://openalex.org/I166928557","display_name":"University of Monastir","ror":"https://ror.org/00nhtcg76","country_code":"TN","type":"education","lineage":["https://openalex.org/I166928557"]},{"id":"https://openalex.org/I4391012590","display_name":"Ecole Nationale d'Ing\u00e9nieurs de Monastir","ror":"https://ror.org/045yr8682","country_code":null,"type":"education","lineage":["https://openalex.org/I166928557","https://openalex.org/I4391012590"]}],"countries":["TN"],"is_corresponding":false,"raw_author_name":"Abdellatif Mtibaa","raw_affiliation_strings":["Universit\u00e9 de Monastir, Ecole Nationale d\u2019Ing\u00e9nieurs de Monastir, Monastir 5000, Tunisia","Universit\u00e9 de Monastir, Laboratoire d\u2019Electronique et de Micro\u00e9lectronique, LR99ES30, Monastir 5000, Tunisia"],"raw_orcid":"https://orcid.org/0000-0001-5180-9975","affiliations":[{"raw_affiliation_string":"Universit\u00e9 de Monastir, Ecole Nationale d\u2019Ing\u00e9nieurs de Monastir, Monastir 5000, Tunisia","institution_ids":["https://openalex.org/I166928557","https://openalex.org/I4391012590"]},{"raw_affiliation_string":"Universit\u00e9 de Monastir, Laboratoire d\u2019Electronique et de Micro\u00e9lectronique, LR99ES30, Monastir 5000, Tunisia","institution_ids":["https://openalex.org/I166928557"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I166928557","https://openalex.org/I8636806"],"apc_list":{"value":2000,"currency":"USD","value_usd":2000},"apc_paid":{"value":2000,"currency":"USD","value_usd":2000},"fwci":4.044,"has_fulltext":true,"cited_by_count":67,"citation_normalized_percentile":{"value":0.94951936,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"2020","issue":null,"first_page":"1","last_page":"22"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11017","display_name":"Chaos-based Image/Signal Encryption","score":1.0,"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/T11017","display_name":"Chaos-based Image/Signal Encryption","score":1.0,"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/T10388","display_name":"Advanced Steganography and Watermarking Techniques","score":0.9926000237464905,"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/T12162","display_name":"Cellular Automata and Applications","score":0.947700023651123,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/encryption","display_name":"Encryption","score":0.7543407082557678},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7323683500289917},{"id":"https://openalex.org/keywords/cryptosystem","display_name":"Cryptosystem","score":0.6708359122276306},{"id":"https://openalex.org/keywords/randomness","display_name":"Randomness","score":0.5258917212486267},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.4867301285266876},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.4244769811630249},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.39711296558380127},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.35530686378479004},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.23885953426361084},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1779939830303192},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.12826907634735107}],"concepts":[{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.7543407082557678},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7323683500289917},{"id":"https://openalex.org/C6295992","wikidata":"https://www.wikidata.org/wiki/Q976521","display_name":"Cryptosystem","level":3,"score":0.6708359122276306},{"id":"https://openalex.org/C125112378","wikidata":"https://www.wikidata.org/wiki/Q176640","display_name":"Randomness","level":2,"score":0.5258917212486267},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.4867301285266876},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.4244769811630249},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.39711296558380127},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.35530686378479004},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.23885953426361084},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1779939830303192},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.12826907634735107},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1155/2020/6612390","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2020/6612390","pdf_url":"https://downloads.hindawi.com/journals/sp/2020/6612390.pdf","source":{"id":"https://openalex.org/S166774750","display_name":"Scientific Programming","issn_l":"1058-9244","issn":["1058-9244","1875-919X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869","https://openalex.org/P4310320595"],"host_organization_lineage_names":["Hindawi Publishing Corporation","Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientific Programming","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:3291e4da04c6402b8da6d8d87af2bb56","is_oa":false,"landing_page_url":"https://doaj.org/article/3291e4da04c6402b8da6d8d87af2bb56","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Scientific Programming, Vol 2020 (2020)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1155/2020/6612390","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2020/6612390","pdf_url":"https://downloads.hindawi.com/journals/sp/2020/6612390.pdf","source":{"id":"https://openalex.org/S166774750","display_name":"Scientific Programming","issn_l":"1058-9244","issn":["1058-9244","1875-919X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869","https://openalex.org/P4310320595"],"host_organization_lineage_names":["Hindawi Publishing Corporation","Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientific Programming","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3113195621.pdf","grobid_xml":"https://content.openalex.org/works/W3113195621.grobid-xml"},"referenced_works_count":29,"referenced_works":["https://openalex.org/W1672978577","https://openalex.org/W1998897575","https://openalex.org/W2064076387","https://openalex.org/W2105145864","https://openalex.org/W2111303611","https://openalex.org/W2475191673","https://openalex.org/W2502389057","https://openalex.org/W2507291547","https://openalex.org/W2586671481","https://openalex.org/W2707731816","https://openalex.org/W2778741216","https://openalex.org/W2898808960","https://openalex.org/W2900443369","https://openalex.org/W2904492827","https://openalex.org/W2908091011","https://openalex.org/W2961489192","https://openalex.org/W2972307409","https://openalex.org/W2989719174","https://openalex.org/W2990201170","https://openalex.org/W2994988297","https://openalex.org/W3005779010","https://openalex.org/W3033181913","https://openalex.org/W3035934015","https://openalex.org/W3037081264","https://openalex.org/W3041127615","https://openalex.org/W3047310990","https://openalex.org/W3047739086","https://openalex.org/W3088963427","https://openalex.org/W3097235511"],"related_works":["https://openalex.org/W3034924094","https://openalex.org/W3094954546","https://openalex.org/W1488708774","https://openalex.org/W1982811510","https://openalex.org/W4391100477","https://openalex.org/W2029021368","https://openalex.org/W4232705780","https://openalex.org/W2965484163","https://openalex.org/W2512006651","https://openalex.org/W2096221836"],"abstract_inverted_index":{"In":[0,30,87,127],"the":[1,4,22,75,88,91,102,115,128,131,139,144,165,192,203,214,267,271],"medical":[2,45,178,276],"sector,":[3],"digital":[5],"image":[6,77,132,205,255,277],"is":[7,27,51,71,79,133,169,213,251,273],"multimedia":[8],"data":[9],"that":[10,58,78,191,249],"contain":[11],"secret":[12,44,76],"information.":[13],"However,":[14,270],"designing":[15],"an":[16,35,110,124,150,208],"efficient":[17],"secure":[18,254],"cryptosystem":[19,38,168,272],"to":[20,39,53,73,148,163,234],"protect":[21],"confidential":[23],"images":[24,179],"in":[25,146,160,171,231],"sharing":[26],"a":[28,55,98,161,259],"challenge.":[29],"this":[31],"work,":[32],"we":[33],"propose":[34],"improved":[36,69],"chaos-based":[37,49],"encrypt":[40,74],"and":[41,65,84,184,197,228],"decrypt":[42],"rapidly":[43],"images.":[46],"A":[47],"complex":[48],"PRNG":[50,145,239],"suggested":[52],"generate":[54],"high-quality":[56],"key":[57,140,261],"presents":[59],"high":[60,63,66],"randomness":[61],"behaviour,":[62],"entropy,":[64],"complexity.":[67,166],"An":[68],"architecture":[70],"proposed":[72],"based":[80],"on":[81,176],"permutation,":[82],"substitution,":[83],"diffusion":[85],"properties.":[86],"first":[89],"step,":[90,130],"image\u2019s":[92],"pixels":[93,116,137],"are":[94,107,117],"randomly":[95],"permuted":[96,108],"through":[97],"matrix":[99],"generated":[100,142],"using":[101,109,119],"PRNG.":[103],"Next,":[104],"pixel\u2019s":[105],"bits":[106],"internal":[111,125],"condition.":[112,126],"After":[113],"that,":[114],"substituted":[118],"two":[120],"different":[121,181],"S-boxes":[122],"with":[123,138,180],"final":[129],"diffused":[134],"by":[135,143,173,242],"XORing":[136],"stream":[141],"order":[147],"acquire":[149],"encrypted":[151,204],"image.":[152],"R":[153],"rounds":[154],"of":[155,202,210,218,226,263],"encryption":[156],"can":[157,222],"be":[158],"performed":[159],"loop":[162],"increase":[164],"The":[167,186,199,220,238],"evaluated":[170],"depth":[172],"his":[174],"application":[175],"several":[177],"types,":[182],"contents,":[183],"sizes.":[185],"obtained":[187],"simulation":[188],"results":[189],"demonstrate":[190],"system":[193],"enables":[194],"high-level":[195],"security":[196],"performance.":[198],"information":[200],"entropy":[201],"has":[206],"achieved":[207],"average":[209],"7.9998":[211],"which":[212,247,265],"most":[215],"important":[216],"feature":[217],"randomness.":[219],"algorithm":[221],"take":[223],"full":[224],"advantage":[225],"parallelism":[227],"pipeline":[229],"execution":[230],"hardware":[232],"implementation":[233],"meet":[235],"real-time":[236],"requirements.":[237],"was":[240],"tested":[241],"NIST":[243],"800-22":[244],"test":[245],"suit,":[246],"indicates":[248],"it":[250],"suitable":[252],"for":[253,275],"encryption.":[256],"It":[257],"provides":[258],"large":[260],"space":[262],"2192":[264],"resists":[266],"brute-force":[268],"attack.":[269],"appropriate":[274],"securing.":[278]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":14},{"year":2023,"cited_by_count":11},{"year":2022,"cited_by_count":21},{"year":2021,"cited_by_count":10}],"updated_date":"2026-08-15T07:11:24.734988","created_date":"2025-10-10T00:00:00"}
