Table 8 Comparison of payload capacity for proposed and existing methods.

From: Secure healthcare data management using multimodal image fusion and dual watermarking

Methods

Watermark size

Cover image

Payload (bit/pixel)

Singh et al.35

\(64 \times 64\)

\(512 \times 512\)

0.0150

Liu et al.31

\(32 \times 32\)

\(512 \times 512\)

0.0039

Anand et al.12

\(256 \times 256\)

\(512 \times 512\)

0.2500

Proposed method

\(256 \times 256\), 64 character

\(512 \times 512\)

0.2509

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