Quantitative Weighted Visual Cryptographic (k, m, n) Method

Table 4

A comparison of series of representative features between the designed scheme and relevant VCSs.

Proposer	Threshold	Recovery efficiency (complexity)	No pixel expansion	No codebook design	No weight leakage	Weighted
Shamir et al. [1]			✗	✗	✓	✓
Yang et al. [30]			✓	✗	✓	✓
Tan et al. [40]			✓	✓	✗	✓
Liu et al. [41]			✓	✓	✗	✓
Fan et al. [31]			✓	✓	✓	✓
Tu et al. [32]			✓	✓	✓	✓
Ours			✓	✓	✓	✓