Currently, the most successful approach to steganography in digital image is distortionminimization framework, which red......

The steganographic method based on Gibbs construction attempts to minimize nonadditive distortior.However, it cannot out......

风险度量主要应用于人们面对未知风险的情况下,如何准确地量化风险从而做出损失最小化或收益最大化的决策.准确的风险度量可以极大......