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Through a detailed bifurcation analysis, we discuss various formation pathways involving supercritical and subcritical Neimark\u2013Sacker bifurcations, and homoclinic butterflies toward the formation of discrete Lorenz attractors. Using a two-parameter Lyapunov chart analysis, we systematically illustrate chaotic regions and periodic regions in the parameter space, illustrating diverse attractor topologies, including hyperchaotic and wavy chaotic structures. Furthermore, we investigate spatiotemporal patterns in a ring\u2013star network of coupled sinusoidal maps, revealing diverse spatiotemporal patterns such as chimera states, traveling waves, and synchronization transitions, controlled by coupling strengths of ring and star networks, respectively. A key contribution is the application of hyperchaotic signals to secure video encryption, where we apply YOLOv10 for object detection and CNN-based cryptographic key generation. This selective encryption approach ensures enhanced security, high computational efficiency, and robustness against differential attacks.<\/jats:p>","DOI":"10.1142\/s0218127426300028","type":"journal-article","created":{"date-parts":[[2025,10,30]],"date-time":"2025-10-30T17:25:08Z","timestamp":1761845108000},"source":"Crossref","is-referenced-by-count":1,"title":["Discrete Lorenz Attractors in 3D Sinusoidal Maps"],"prefix":"10.1142","volume":"36","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9545-8345","authenticated-orcid":false,"given":"Sishu Shankar","family":"Muni","sequence":"first","affiliation":[{"name":"School of Digital Sciences, Digital University Kerala, Thiruvananthapuram 695317, Kerala, India"}]}],"member":"219","published-online":{"date-parts":[[2025,10,29]]},"reference":[{"key":"S0218127426300028BIB001","doi-asserted-by":"publisher","DOI":"10.1007\/s10884-021-10100-7"},{"key":"S0218127426300028BIB002","doi-asserted-by":"publisher","DOI":"10.1063\/1.166023"},{"key":"S0218127426300028BIB003","doi-asserted-by":"publisher","DOI":"10.1109\/COMST.2022.3144219"},{"key":"S0218127426300028BIB004","doi-asserted-by":"publisher","DOI":"10.1088\/1742-6596\/1228\/1\/012006"},{"key":"S0218127426300028BIB005","doi-asserted-by":"publisher","DOI":"10.1007\/s11042-023-15593-6"},{"key":"S0218127426300028BIB006","doi-asserted-by":"publisher","DOI":"10.1049\/iet-ipr.2018.5250"},{"key":"S0218127426300028BIB007","doi-asserted-by":"publisher","DOI":"10.1007\/s11042-023-14573-0"},{"key":"S0218127426300028BIB008","doi-asserted-by":"crossref","unstructured":"Francis, E. 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