ID 原文 译文
47646 该方法由来源分类器首先判断图像的来源，继而利用相关来源图像训练而成的隐写分类器判断待测图像是否为载密。 The proposed method determines the im-age-acquiring source firstly by a source detector and then detecting the steg images in each source with a steganalyzertrained for this source.
47647 在这个过程中，通过对模型参数的调节减小虚警率。 The false positive rate was reduced by solving a parameter model.
47648 实验结果表明，这种方法可以在较大准确率的前提下最小化虚警率。 The experimental results showthat this novel method can reach lower false positive rates for larger true positive rates.
47649 从轨迹的整体方向、轨迹中相邻位置的时间可达及移动距离对单条轨迹中相邻位置间的时空关联性和轨迹间的相似性进行分析，提出了一种基于时空关联性的假轨迹隐私保护方案。 The spatiotemporal correlation was analyzed between neighboring locations and the trajectories similarityfrom the movement direction, the reachable time between neighboring locations and the movement distance, and a dum-my trajectory privacy protection scheme based on the spatiotemporal correlation was proposed.
47650 安全性分析表明所提方案能有效混淆假轨迹与真实轨迹，避免攻击者识别出假轨迹。 Security analysis showsthat the presented scheme successfully confuses the user’s real trajectory with dummy trajectories, thereby protecting theuser’s trajectory privacy.
47651 大量实验表明，所提方案在仅需较少计算时间的同时，能确保生成的假轨迹与真实轨迹具有相似性，从而有效保护轨迹发布中用户的轨迹隐私。 Furthermore, extensive experiments indicate that the presented scheme not only has the limitedcomputation cost, but also ensures that the generated dummy trajectories are similar to the user’s real trajectory.
47652 基于典型的 Chua 式电路，提出了一种拉伸式多涡卷混沌系统。 A kind of tensile-type 3-D multi-scroll chaotic attractor based on Chua’s circuit was successfully designed.
47653 首先，通过系统的对称性、不变性、耗散性、系统平衡点和稳定性， The chaos generation mechanism was studied by analyzing the symmetry and invariance, the existence of the dissipation, as well as the system equilibrium and stability.
47654 分析了混沌的分维特性、时域波形、Lyapunov 指数谱等基本的混沌动力学特性。 Then, some basic dynamical properties, such as Lyapunov exponents, fractaldimension, chaotic dynamical behaviors of the new chaotic system were introduced, either numerically or analytically.
47655 其次，利用 PSPICE 实现了该系统的混沌电路。 At the same time, the chaotic circuit of this system was realized by PSPICE.