Table 3.

Results of embedding data in three medical images of different modalities.

Modality	Size of image	Bit depth	Size of ROI	Number of blocks in ROI	PSNR	WPSNR	MSSIM	TPE
CT	336 × 406	12 bits	144 × 168	1512	53.36	54.15	0.9575	0.0549
MRI	480 × 512	16 bits	208 × 216	2808	51.52	53.44	0.9327	0.0828
US	309 × 255	8 bits	132 × 106	874	56.82	58.13	0.9854	0.0346