Image Encryption Based on High-Dimensional Manifold Computing and Block Dividing Algorithm

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Image</td><td class="align_center">Lena</td><td class="align_center">Baboon</td><td class="align_center">Couple</td><td class="align_center">Airplane</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Plain image</td><td class="align_center">7.2185</td><td class="align_center">7.1391</td><td class="align_center">7.0517</td><td class="align_center">6.7178</td></tr><tr><td class="align_left">Cipher image</td><td class="align_center">7.9985</td><td class="align_center">7.9875</td><td class="align_center">7.9882</td><td class="align_center">7.997</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The Shannon entropy analysis of different images.</div>

International Journal of Optics

tab5

Table 5

Table 5: Image Encryption Based on High-Dimensional Manifold Computing and Block Dividing Algorithm 