Table 2 Comparison of the proposed method with selected models in terms of Lightweight performance.

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

Method

Execution Time (ms)

Memory Usage (MB)

PSNR (dB)

Pixel Expansion

Reference

Naor and Shamir (1995) VC

80–100

2.1–3.8

N/A (binary only)

Yes (2 ×)

3

Yu et al. (2024) DNA-HC

120–150

3.2–4.0

42–45 (lossy)

No

1

Ou et al. (2015) XOR

35–40

1.3

∞ (lossless)

No

12

Chen and Juan (2022) XOR

30–35

1.2

∞ (lossless)

No

13

Proposed method

25–30

1.1

∞ (lossless)

No

12,]13,]14

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