Sentence examples for multiple secret images from inspiring English sources

Therefore, a novel visual secret sharing scheme for multiple secret images is proposed in this paper.

Conventional visual secret sharing schemes are designed for a single secret image so it is inefficient to generate numerous share images for multiple secret images simultaneously.

In Table 6, all other schemes consider one secret image instead of multiple secret images.

Therefore, in our proposed method 3, we use a different technique to progressively share multiple secret images.

Multiple secret images are divided into several groups with distinct sensitivity levels, and each secret group has its own decoding thresholds for progressiveness.

Progressive decoding of multiple secret images is desirable in certain applications such as image retrieval from sensitive databases in crime investigation units, military departments, and the design team of a company.  .

Droste's [New results on visual cryptography, in: Advances in Cryptology-CRYPTO '96, Lecture Notes in Computer Science, vol. 1109, Springer, Berlin, 1996, pp. 401 415] (n,n -VCS is introduced for multiple binary secret images.

We then present a general construction method for single or multiple binary/grayscale/color secret images using matrix extension utilizing meaningful shares.

From Table 8, we can see that, like most of other single-secret progressive methods, all three multiple-secret methods of ours can also achieve lossless recovery of secret images; however, our impact to host images is smallest because our stego images have highest PSNR values.

Some schemes are designed for color secret images.

A multiple secret sharing scheme can share a group of secrets in each sharing session; this scheme is deemed to be very useful in sharing important secrets.