ID 原文 译文
45296 提出了一种改进的图像混沌加密算法，并以此作为数字水印算法的预处理步骤， Firstly, an improved image chaos encryption algorithm was proposed as a preprocessing step of digital watermarking algorithm.
45297 随后基于离散小波变换和矩阵的奇异值分解技术，设计了一种彩色 QR 码数字水印算法。 Then a color QRcode digital watermarking algorithm was designed based on discrete wavelet transform and matrix singular value decomposition.
45298 实验验证了该算法的可行性， Finally, the feasibility of the algorithm was verified by experiments.
45299 结果显示该算法对于 JPEG 压缩、噪声攻击和裁剪攻击具有良好的抵抗性。 The results show that the proposed method has good resistance to JPEG compression, noise attack and cropping attack.
45300 针对移动云数据安全共享与访问控制问题，综合考虑当前密文访问控制机制的不足以及移动终端资源受限、网络带宽较低等特点，提出了一种面向移动云的属性基密文访问控制优化方法。 For the problem of secure data sharing and access control in mobile cloud, the drawback of traditional crypto-graphic access control schemes was deeply analyzed. Considering the truth that mobile devices were usually equipped with limited resources, an optimized attribute-based cryptographic access control scheme was proposed in this study.
45301 通过引入属性基加密运算分割和双重加密机制， In the proposed scheme, a third party proxy was introduced into the system model, and the two-layer encryption method was applied.
45302 并结合多秘密共享技术进行改进，实现了移动用户数据发布和权限管理开销的大幅优化。 Combining traditional attribute-based encryption (ABE) algorithm with multi-secret sharing and split measurement of ABE encryption, the scheme could greatly reduce the cost of mobile users in terms of data publish and access management.
45303 理论和实验分析表明，所提方案在安全性、计算和网络开销等方面均能够满足移动云中的访问控制需求，具有良好的应用前景。 Theoretical and experimental analysis shows that the contribution can well meet the requirements of mobile cloud in terms of security, computational complexity and communication cost, which means that it is promising for future applications.
45304 为降低随机观测矩阵在压缩感知应用中所需的存储空间，提升大尺寸图像重构的实时性，提出一种半张量积压缩感知方法。 To reduce the storage space of random measurement matrix and improve the reconstruction efficiency for compressed sensing (CS), a new sampling approach for CS with semi-tensor product (STP-CS) was proposed.
45305 利用该方法构建低阶随机观测矩阵，对原始信号进行全局采样， The pro-posed approach generated a low dimensional random measurement matrix to sample the sparse signals.