Steganography Algorithm Based on the Nonlocal Maximum Likelihood Noise Estimation for Mobile Applications

Table 7

PSNR between the recovered image and the image to be hidden.

Test	Round	Red color channel (dB)	Green color channel (dB)	Blue color channel (dB)	General (dB)
1	1
	2
	3
	4
2	1
	2
	3	35.651683	34.256656	36.009123	36.009123
	4	35.651683	34.258089	36.009123	35.306298
3	1			35.189504
	2			35.189504
	3
	4
4	1
	2
	3
	4
5	1
	2
	3
	4
6	1	34.282254	34.200836	34.534017	34.339035
	2	34.289833	34.208844	34.549445	34.349374
	3	34.278288	31.966938	30.490909	32.245378
	4	34.278288	31.968951	30.502236	32.249825
7	1
	2
	3
	4
8	1
	2
	3
	4
Average(dB)