EURASIP Journal on Information Security

Table 1 Minimum \(e_x\) to achieve maximum \(\alpha _n\)

From: Improved scheme and evaluation method for progressive visual cryptography

n \ t	2	3	4	5	6	7	8	9	10
2	2
3	3	4
4	4	6	8
5	5	18	15	16
6	6	14	24	30	32
7	7	16	35	99	70	64
8	8	35	100	196	128	140	128
9	9	50	162	576	315	510	315	256
10	10	33	245	363	650	1155	590	630	512

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