Protection of Health Imagery by Region Based Lossless Reversible Watermarking Scheme

Table 4

Embedding performance of CT scan image of size .

ROI size	Watermark size (bits)	MSE	PSNR (dB)
	2455	0.019943	65.1
	10581	0.074738	59.4
	22833	0.154861	56.2
	33163	0.210007	54.9
	49651	0.330185	52.9
	60479	0.371811	52.4
	79364	0.488983	51.2
	81431	0.489716	51.2
	101667	0.603561	50.3