1. Secret Image Sharing Presented by Du-Shiau Tsai

2. 2 Introduction Secret image sharing (Tsai)

3. 3 Introduction Classification of SIS (Tsai) Secret image sharing visual cryptography variant visual secret sharing interpolation method

4. 4 Introduction Classification of SIS (Tsai) Secret image sharing visual cryptography variant visual secret sharing interpolation method

5. 5 Introduction Visual cryptography is a secret sharing procedure for image data Recover the secret by the human visual system Without additional computations and any knowledge of cryptography.

6. 6 2-out-of-3 Visual Cryptography SASA SBSB SCSC

7. 7 2-out-of-2 Visual Cryptography B

8. 8 Introduction Classification of SIS (Tsai) Secret image sharing visual cryptography variant visual secret sharing interpolation method

9. 9 n-out-of-n VVSS-based scheme