Haar-Wavelet-Based Just Noticeable Distortion Model for Transparent Watermark

Table 2

The MSE values due to the dominant mask (case 1), the spatial mask (case 2), and the texture mask (case 3) using the full-band JND model, the DWT-based JND model, and the modified DWT-based JND model.

JND model	Case	Lena	Cameraman	Baboon	Board	Peppers
Full-band JND	1	34.8876	66.3534	25.3878	189.7653	60.6121
	2	28.5202	53.0297	19.6219	41.7222	52.5825
	3	10.9574	18.4772	12.373	165.6492	12.583
DWT-based JND	1	23.9924	43.4027	17.0419	54.0822	39.7492
	2	23.9269	43.0406	16.942	38.4702	39.642
	3	0.972	2.1076	1.4603	24.4885	1.1393
The modified DWT-based JND	1	27.6254	52.1122	25.3378	174.244	43.8131
	2	23.9269	43.0406	16.942	38.4702	39.642
	3	6.9379	13.7233	14.7008	153.4052	7.8595