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Table 5 Comparison of the proposed method with the Al-Dmour’s method using PSNR and MSE values

From: A novel edge based embedding in medical images based on unique key generated using sudoku puzzle design

Image

Proposed method

Hayat Al-Dmour & Ahmed Al-Ani’s method

PSNR

MSE

PSNR

MSE

Image1

80.9320

5.2879e−04

80.6687

5.6183e−04

Image2

71.3896

0.0045

71.3595

0.0048

Image3

80.6687

2.3134e−04

80.1857

6.2793e−04

Image4

80.5428

1.9829e−04

80.4205

5.9488e−04

Image5

71.2268

0.0046

71.1834

0.0050