Table 3 Comparison of the proposed method with selected models in terms of security analysis.

From: Lightweight XOR-based visual cryptography using random shares for secure colour image sharing with minimal shares

Metric

Proposed XOR VC

Ou et al.12

Chen et al.13

AES-VC20

NPCR (%)

99.62

99.41

99.35

98.7

UACI (%)

33.48

33.21

33.16

32.74

Entropy (bits/pixel)

7.997

7.965

7.952

7.938

Correlation Coefficient

0.0021

0.0065

0.0059

0.0089

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