Novel Variants of a Histogram Shift-Based Reversible Watermarking Technique for Medical Images to Improve Hiding Capacity

Table 1

Results of the classical histogram shift technique.

Images	Image size	Hiding capacity	MSE	PSNR
Cover1	900 × 854	44,417	0.9831	47.92
Cover2	1002 × 1132	36,947	1.086	47.49
Cover3	544 × 304	37,651	1.076	47.53