{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T14:44:10Z","timestamp":1740149050032,"version":"3.37.3"},"reference-count":39,"publisher":"Wiley","license":[{"start":{"date-parts":[[2020,11,30]],"date-time":"2020-11-30T00:00:00Z","timestamp":1606694400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003141","name":"Consejo Nacional de Ciencia y Tecnolog\u00eda","doi-asserted-by":"publisher","award":["701231"],"award-info":[{"award-number":["701231"]}],"id":[{"id":"10.13039\/501100003141","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Security and Communication Networks"],"published-print":{"date-parts":[[2020,11,30]]},"abstract":"<jats:p>In this article, a safe communication system is proposed that implements one or more portable devices denominated SBC (single-board computers), with which photographs are taken and that later utilizes the OpenCV Library for the detection and identification of the faces that appear in them. Subsequently, it consults the information in a stored database, whether locally in SBC or in a remote server, to verify that the faces should be coded, and it encrypts these, implementing a new cryptosystem that executes mathematical models to generate chaotic orbits, one of which is used for application on two occasions the technique of diffusion with the purpose of carrying out a small change in one of the pixels of the image, generating very different cryptograms. In addition, in order to make a safer system, it implements other chaotic orbits during the technique of confusion. With the purpose of verifying the robustness of the encryption algorithm, a statistical analysis is performed employing histograms, horizontal, vertical, and diagonal correlation diagrams, entropy, number of pixel change rate (NPCR), unified average change intensity (UACI), sensitivity of the key, encryption quality analysis, and the avalanche effect. The cryptosystem is very robust in that it generates highly disordered cryptograms, supports differential attacks, and in addition is highly sensitive to changes in the pixels as well as in the encrypted keys.<\/jats:p>","DOI":"10.1155\/2020\/8848356","type":"journal-article","created":{"date-parts":[[2020,12,1]],"date-time":"2020-12-01T19:52:43Z","timestamp":1606852363000},"page":"1-22","source":"Crossref","is-referenced-by-count":1,"title":["Chaotic Cryptosystem for Selective Encryption of Faces in Photographs"],"prefix":"10.1155","volume":"2020","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3283-5569","authenticated-orcid":true,"given":"Jorge","family":"Aguilar Santiago","sequence":"first","affiliation":[{"name":"Divisi\u00f3n de Desarrollo Biotecnol\u00f3gico, Centro Universitario de la Ci\u00e9nega, Universidad de Guadalajara, Av. Universidad No. 1115, Col. 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