… enhancing the data security and content verification in medical science. For the purpose of
achieving better security it … part of image for enhancing data security. The experimental result …

… , distortion-free, or invertible hiding, we can revert to the exact copy of the original object by
removing the distortion … according to Gaussian noise with zero mean and a variance of Δ2/16, …

… can well describe the distortions on both visual quality and … distortion. Experimental results
have demonstrated that the proposed steganographic scheme can achieve statistical security …

… distortion, the parameters of the current state are initialized by a zero matrix-based action map,
a symmetric distortion-… ent based reward function to enhance security performance. Here, …

… We consider a distortion-based security metric that captures how far an estimate is from the
actual … Formally, we consider the system model in (1) with zero noise, ie, wt = 0. Following the …

… curve fitting techniques as the distortion function. Thus, the generated stego signature (ݏ)
is used to make stego key (݇) based on the zero-distortion approach to represent the secret …

… zero-sum idea of generative adversarial networks. Experimental results show that the proposed
method can significantly enhance security … LSB and use the distortion function to select …

… σ = 2 −10 is a stabilizing constant introduced to avoid dividing by zero. … We first define the
initial distortion on audio sample using proposed distortion method, and then the joint distortion …

… two secure deletion techniques for Flash storage, namely block cleaning and zero rewriting,
… the existence of an efficient adaptive hybrid secure deletion scheme, which applies one of …

… enhancement is widely used to improve the visual quality of images. This paper proposes a
distortion function for steganography in enhanced … the unique properties of enhanced image. …