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中文摘要：
为实现对3维新媒体的高速、高安全、高效率的信息安全保护,提出一种菲涅尔域的3维光学图像加密方法。利用基于智能深度反转模型的计算集成成像技术和离散菲涅尔变换方法,进行3维新媒体数据的加密与解密。实验结果表明,集成成像器件的特性参数、入射光的波长、衍射距离等都可以作为密钥,能够有效增加密钥维度,拓宽密钥空间,增强系统的安全性和抗攻击性。该方法可应用于3维新媒体信息隐藏和数字水印等领域。
英文摘要：
In order to enhance the information security of three-dimensional（ 3D） new media,a 3D optical image cryptosystem in Fresnel domain was proposed. The 3D optical images were encrypted and decrypted by discrete Fresnel diffraction and computational integral imaging system that was implemented with smart pseudoscopic-to-orthoscopic conversion model. The results showed that these parameters of the cryptosystem can be used as the secret keys,such as the parameters of integral imaging system,the wavelength of incident light and the distance of diffraction. The dimensions of secret key are increased. The space of secret key is also expanded. The security and anti-attack of the new cryptosystem are enhanced. This research can be applied in the aspects of information hiding and digital watermarking which are needed for information security of 3D new media.
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