Protection of Health Imagery by Region Based Lossless Reversible Watermarking Scheme

Table 5

Embedding performance of XA scan image of size .

ROI size	Watermark size (bits)	MSE	PSNR (dB)
	2820	0.006744	69.8
	4274	0.010193	68
	12939	0.021969	64.7
	13406	0.020687	64.9
	36102	0.045143	61.5
	42654	0.055649	60.6
	56376	0.071297	59.6
	69517	0.08065	59
	74301	0.091957	58.4
	106481	0.119026	57.3