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SHA2-256 hash of scrambled noncritical region is then used as an initial value of GSC chaotic map to encrypt ROI. ROI encryption technique uses pixel permutation to decorrelate adjacent pixels and random substitution to change pixel values. Differential and statistical analysis demonstrate the complexity of proposed chaotic map and robustness of proposed technique against various security attacks. Thus the proposed encryption technique is secure and efficient for large-sized images. <\/jats:p>","DOI":"10.1142\/s0218127422501759","type":"journal-article","created":{"date-parts":[[2022,10,13]],"date-time":"2022-10-13T08:12:06Z","timestamp":1665648726000},"source":"Crossref","is-referenced-by-count":5,"title":["Efficient Region of Interest Encryption Based on a New Chaotic Map"],"prefix":"10.1142","volume":"32","author":[{"given":"Maemoona","family":"Kayani","sequence":"first","affiliation":[{"name":"Department of Software Engineering, Military College of Signals, NUST, Islamabad, Pakistan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Mohsin Riaz","sequence":"additional","affiliation":[{"name":"Center for Advanced Studies in Telecommunication (CAST), Islamabad, Pakistan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6117-3656","authenticated-orcid":false,"given":"Abdul","family":"Ghafoor","sequence":"additional","affiliation":[{"name":"Military College of Signals, NUST, Islamabad, Pakistan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"219","published-online":{"date-parts":[[2022,10,10]]},"reference":[{"key":"S0218127422501759BIB001","doi-asserted-by":"publisher","DOI":"10.1016\/j.procs.2015.07.394"},{"key":"S0218127422501759BIB002","doi-asserted-by":"publisher","DOI":"10.3390\/sym12030350"},{"key":"S0218127422501759BIB003","doi-asserted-by":"publisher","DOI":"10.1142\/S0218127406015970"},{"key":"S0218127422501759BIB005","doi-asserted-by":"publisher","DOI":"10.1007\/s11071-016-3046-0"},{"key":"S0218127422501759BIB006","doi-asserted-by":"publisher","DOI":"10.1007\/BF02128237"},{"key":"S0218127422501759BIB008","doi-asserted-by":"publisher","DOI":"10.1016\/j.matcom.2004.09.001"},{"key":"S0218127422501759BIB009","doi-asserted-by":"publisher","DOI":"10.1140\/epjp\/i2019-12374-y"},{"key":"S0218127422501759BIB010","doi-asserted-by":"publisher","DOI":"10.1016\/j.ins.2020.07.007"},{"key":"S0218127422501759BIB011","doi-asserted-by":"publisher","DOI":"10.3390\/s20185162"},{"key":"S0218127422501759BIB012","first-page":"12","volume":"1005","author":"Du J.","year":"2018","journal-title":"J. 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