A Novel Fractional-Discrete-Cosine-Transform-Based Reversible Watermarking for Healthcare Information Management Systems

Table 1

Comparison between this work and the related watermarking algorithms.

Items	Methods
	Conventional QIM [26]	Nested QIM [8]	FDCT Watermarking
Watermarked image transparency	Poor	Good	Better
Reversible watermarking	No	Yes	Yes
Block effect	Yes	Yes	No