Secret Image-Sharing Scheme Based on Multinode Authentication in the Internet of Things

Table 3

Comparison of our scheme, scheme [30], and scheme [22].

Scheme	Our scheme	[30]	[22]
Authentication operation	VCS (XOR/OR)	Common value	Common value
Pixel expansion	NO	NO	YES
Restructure	Lagrange	Lagrange	Lagrange
Reconstruction quality	Losses	Loss	Loss