REFERENCES
- Naor N, Shamir A. Visual cryptography. Lect. Notes Comput. Sci., 1995, 950, 1–12.
- Thien CC, Lin JC. Secret image sharing. Comput. Graph., 2002, 26, 765–770.
- Lukac R, Plataniotis KN. Bit-level based secret sharing for image encryption. Pattern Recogn., 2005, 38, 767–772.
- Kafri O, Keren E. Encryption of pictures and shapes by random grids. Opt. Lett., 1987, 12, 377–379.
- Feng JB, Wu HC, Tsai CS, Chang YF, Chu Y.-P. Visual secret sharing for multiple secrets. Pattern Recogn., 2008, 41, 3572–3581.
- Tsai CS, Chang CC, Chen TS. Sharing multiple secrets in digital images. J. Syst. Software, 2002, 64, 163–170.
- Hou YC. Visual cryptography for color image. Pattern Recogn., 2003, 36, 1619–1629.
- Wang RZ. Region incrementing visual cryptography. IEEE Signal Process. Lett., 2009, 16, 659–662.
- Wang DS, Zhang L, Ma N, Li XB. Two secret sharing schemes based on Boolean operations. Pattern Recogn., 2007, 40, 2776–2785.
- Shyu SJ. Image encryption by multiple random grids. Pattern Recogn., 2009, 42, 1582–1596.
- Chen TH, Tsao KH. Visual secret sharing by random grids revisited. Pattern Recogn., 2009, 42, 2203–2217.
- Wang RZ, Lan YC, Lee YK, Huang S.-Y, Shyu SJ, Chia TL. Incrementing visual cryptography using random grids. Opt. Commun., 2010, 283, 4242–4249.