基于3维立体技术的视觉加密

A Novel Stereo Visual Cryptography Scheme

视觉加密是新的加密研究领域,其优点是利用人眼视觉系统的特性直接对被加密的内容进行解码,而不需要用专用软件或硬件进行复杂的解密计算。近年来,由于自动立体显示技术和立体眼镜技术的发展,使得3维显示的应用日趋广泛,而传统的视觉加密方法在3维视频领域内尚无法取得令人满意的效果,因此3维立体视觉加密研究具有重要意义。为了更有效地对3维视频进行加密,利用3维显示的原理和特点,将其与视觉加密的优点相结合,提出了一种3维立体视觉加密新方法,该方法利用人眼视觉特性中的视差特性将隐藏信息巧妙地隐藏在右视图中,实验结果表明,该方法是有效的。

Autostereoscopic technology and shutter glasses have been applied in many areas. 3D images can be perceived based on the principle of HVS（ human visual system） , which is also the foundation of visual cryptography. However, the traditional method of visual cryptography cannot achieve satisfactory result because of new features of 3D video technology. In this paper we proposes a new method of visual cryptography combined with the characteristic of 3D video display ,which takes the advantage of disparity in HVS to hide the secret information in right image. Simulation results confirm the validity of the proposed method.