Reversible Data Hiding Based on Multichannel Difference Value Ordering for Color Images

Table 1

Variable table.

Variable name	Description
Locationi,j	Location of pixel at row i and column j
Ri,jGi,jBi,j	Specify pixel information of R, G, and B channels in pixel positions i, j
xσ(n)	The nth number after sorting in sequence x
Di,j	Specify interchannel trend difference sequence of pixel positions i, j
NLi,j	Specify interchannel complexity of pixel locations i, j
LMi,j	Specify overflow processing flag of pixel position i, j
(emax,emin)	Maximum value prediction-error pair information before embedding
()	Maximum value prediction-error pair information after embedding