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The algorithm consists of four parts: key generation, pixel scrambling, pixel replacement, and bit scrambling. Firstly, the key is generated from the plain image to improve the sensitivity of the encryption method. Secondly, each pixel in each row of the image matrix is moved cyclically to the right, in turn, to change the position of the image pixel and realize pixel position scrambling. Then, a 256\u2010order Latin square matrix composed of a chaotic sequence is used as a lookup table, and the replacement coordinates are calculated based on the image pixel value and the chaotic sequence value, replacing the corresponding coordinate elements in the image matrix. Finally, decompose the bitplane of the image matrix and combine it into two\u2010bit matrices, scramble the two bit matrices, respectively, with the Latin square matrix, recombine the scrambled two\u2010bit matrices, and convert them into decimal to obtain the ciphertext image. In the proposed encryption method, all the Latin square matrices used are generated by chaotic sequences, further enhancing the complexity of the generated Latin square matrix and improving the algorithm\u2019s security. Experimental results and security analysis show that the proposed algorithm has good security performance and is suitable for image encryption.<\/jats:p>","DOI":"10.1155\/2021\/2091053","type":"journal-article","created":{"date-parts":[[2021,9,7]],"date-time":"2021-09-07T19:20:17Z","timestamp":1631042417000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["A Novel Chaotic Image Encryption Algorithm Based on Latin Square and Random Shift"],"prefix":"10.1155","volume":"2021","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2190-7651","authenticated-orcid":false,"given":"Xuncai","family":"Zhang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4454-730X","authenticated-orcid":false,"given":"Tao","family":"Wu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8623-1111","authenticated-orcid":false,"given":"Yanfeng","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4177-9850","authenticated-orcid":false,"given":"Liying","family":"Jiang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6851-8605","authenticated-orcid":false,"given":"Ying","family":"Niu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,9,7]]},"reference":[{"key":"e_1_2_9_1_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jisa.2019.102361"},{"key":"e_1_2_9_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.cnsns.2014.06.005"},{"key":"e_1_2_9_3_2","first-page":"314","article-title":"Circular inter-intra pixels bit-level permutation and chaos-based image encryption","volume":"355","author":"Diaconu A.V.","year":"2015","journal-title":"Information Sciences"},{"key":"e_1_2_9_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ins.2014.11.018"},{"key":"e_1_2_9_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ins.2015.08.013"},{"key":"e_1_2_9_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.chaos.2020.110102"},{"key":"e_1_2_9_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.sigpro.2013.10.034"},{"key":"e_1_2_9_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.asoc.2014.09.039"},{"key":"e_1_2_9_9_2","doi-asserted-by":"publisher","DOI":"10.1007\/s11042-015-2691-5"},{"key":"e_1_2_9_10_2","doi-asserted-by":"publisher","DOI":"10.7498\/aps.63.240506"},{"key":"e_1_2_9_11_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00521-018-3541-y"},{"key":"e_1_2_9_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.sigpro.2015.06.008"},{"key":"e_1_2_9_13_2","doi-asserted-by":"publisher","DOI":"10.1002\/j.1538-7305.1949.tb00928.x"},{"key":"e_1_2_9_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ins.2013.11.027"},{"key":"e_1_2_9_15_2","doi-asserted-by":"publisher","DOI":"10.1140\/epjst\/e2014-02119-9"},{"key":"e_1_2_9_16_2","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-11933-5_53"},{"key":"e_1_2_9_17_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.cnsns.2021.105708"},{"key":"e_1_2_9_18_2","doi-asserted-by":"crossref","unstructured":"WuY. 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