Secure and Efficient Image Transmission Scheme for Smart Cities Using Sparse Signal Transformation and Parallel Compressive Sensing

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Algorithm</td><td class="align_center">Horizontal</td><td class="align_center">Vertical</td><td class="align_center">Diagonal</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Plain image</td><td class="align_center">0.9859</td><td class="align_center">0.9729</td><td class="align_center">0.9630</td></tr><tr><td class="align_left">[<a href="/journals/mpe/2021/5598009/#B29" target="_blank">29</a>]</td><td class="align_center">0.0036</td><td class="align_center">0.0012</td><td class="align_center">0.0005</td></tr><tr><td class="align_left">[<a href="/journals/mpe/2021/5598009/#B39" target="_blank">39</a>]</td><td class="align_center">0.0018</td><td class="align_center">0.0014</td><td class="align_center">0.0034</td></tr><tr><td class="align_left">Proposed</td><td class="align_center">0.0016</td><td class="align_center">0.0048</td><td class="align_center">−0.0046</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison of adjacent pixel correlation.</div>

Mathematical Problems in Engineering

tab2

Table 2

Table 2: Secure and Efficient Image Transmission Scheme for Smart Cities Using Sparse Signal Transformation and Parallel Compressive Sensing 