Weighted Polynomial-Based Secret Image Sharing Scheme with Lossless Recovery

Table 3

Comparisons with the characteristics of weighted schemes.

	Threshold	Image format	Based methods	Is lossless?	Identical average light transmission?	Additional information
Hou et al. [29]		Binary image	VSS	No	Yes	Codebook
Yang et al. [30]		Binary image	VSS	No	Yes	Codebook
Liu et al. [31]		Binary image	VSS	Yes	Yes	Weight generation and RG
Tan et al. [23]		Grayscale image	CRT	Yes	No	Weight generation and modulus
Our		Grayscale image	Polynomial	Yes	Yes	Weight generation