A Robust Watermarking Scheme for Online Multimedia Copyright Protection Using New Chaotic Map

Table 6

A comparison results of similarity of different watermarking techniques resulting in applying various noise attacks. Again, it can be seen that the proposed work has superior performance.

Attacks	Other Works	Images/Similarity Index (%)
		Baboon	Lena	Pepper
Noise	Ref. [17]	72	74	73
	Ref. [16]	72	74	73
	Proposed	88	89	88
Compression	Ref. [17]	67	69	69
	Ref. [16]	67	69	70
	Proposed	85	81	84
Cropping	Ref. [17]	40	42	39
	Ref. [16]	40	42	39
	Proposed	68	69	67