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Table 1 Image roughness and visual sensitivity of the sample images.

From: Research of Spatial Domain Image Digital Watermarking Payload

Images

Roughness

Sensitivity

(a)

119.1

79.348

(b)

906.51

83.581

(c)

377.23

85.204

(d)

106.78

95.899

(e)

666.28

90.293