Image

Watermark

Encrypted watermark

Watermarked cipher output

Size of the Original Image

45 Kb

657 Kb

68 Kb

Size of the Watermark Image

6 Kb

18 Kb

10 Kb

PSNR of Watermarked cipher image (Proposed System)

43.6

44.1

47.2

PSNR of Watermarked cipher image (existing System)

41.82

42.31

45.06

Correlation coefficient of encrypted watermark (Proposed System)

0.00016

0.0021

0.00002

Correlation coefficient of encrypted watermark (existing System)

0.0001749

0.0033

0.00016