Dynamical Analysis of a Quadratic Megastable Chaotic Oscillator and Its Application in Biometric Fingerprint Image Encryption

<table class="table-group" id="tab3"><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">Horizontal correlation</td><td class="align_center">Vertical correlation</td><td class="align_center">Diagonal correlation</td><td class="align_center">Entropy</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Original image</td><td class="align_center">0.9558</td><td class="align_center">0.9684</td><td class="align_center">0.9432</td><td class="align_center">6.1343</td></tr><tr><td class="align_left">Encrypted image</td><td class="align_center">−0.0025</td><td class="align_center">−0.0032</td><td class="align_center">−0.0025</td><td class="align_center">7.9987</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The correlation coefficient and entropy values of the actual image and the encrypted image.</div>

Complexity

tab3

Table 3

Table 3: Dynamical Analysis of a Quadratic Megastable Chaotic Oscillator and Its Application in Biometric Fingerprint Image Encryption 