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Discrete Dynamics in Nature and Society
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Discrete Dynamics in Nature and Society
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2018
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Article
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Tab 2
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Research Article
Image Encryption Technology Based on Fractional Two-Dimensional Triangle Function Combination Discrete Chaotic Map Coupled with Menezes-Vanstone Elliptic Curve Cryptosystem
Table 2
Comparison of correlation coefficients of image.
Algorithm
Image
Original image
Encrypted image
Horizontal
Vertical
Diagonal
Horizontal
Vertical
Diagonal
Proposed
Lena
0.9722
0.9527
0.9860
−0.0140
−0.0086
−0.0034
[
1
]
Lena
0.9503
0.9755
0.9275
−0.0226
0.0041
0.0368
[
2
]
Lena
0.927970
0.926331
0.839072
−0.010889
−0.018110
−0.006104
[
5
]
Lena
0.946
0.973
0.921
−0.0055
−0.0075
0.0026
[
6
]
Lena
0.9569
0.9236
0.9019
0.0042
−0.0043
0.0163