ID 原文 译文
24865 针对以上问题,提出了一种无需头戴设备的动态头势识别算法。 In view of the above problems, a dynamic head gesture recognition algorithm without head-mounted sensors is proposed.
24866 这种基于双流融合 3D 卷积神经网络的方法用头部动作生成稠密光流，并将原始数据和光流数据并行输入构建的动作特征提取器，最后进行特征融合。 Using this method based on two-stream 3DCNN (3D Convolutional Neural Network), the dense optical flow is generated by head movements, the original data and dense optical flow are put into the motion feature extractor in parallel, and finally, features are fused.
24867 结果表明所提算法比人工特征提取方法和 C3D模型有更高的准确率、更好的泛化能力,在无需头戴传感器的情况下有近似头戴式传感器的识别率。 Experimental results show that the proposed algorithm has higher recognition accuracy and better generalization than the artificial feature extraction and C3D (Convolutional 3D) methods, and its recognition rate is as good as those head-mounted sensors.
24868 为了模拟长程的一维离散时间量子行走的演化过程以及降低计算复杂性，提出一种路径分析方法。 In order to simulate one-dimensional discrete time quantum walks after a long time of evolution and reduce the computational complexity, we propose a path analysis approach.
24869 首先分析系统到达某个位置的路径分块和路径数，将系统移位到某个位置演化算子进行分解，表示成二阶矩阵线性空间的一组基的线性组合； Dividing every path of a discrete time quantum walk into a set of blocks and counting number of paths starting from an initial qubit state, we give an expression for some evolution operator in form of a linear combination of a fixed set of basis in a 2-dimensional matrix space.
24870 然后用超几何级数进行化简，给出概率分布的计算方法；最后分析产生对称式概率分布的充分条件，表明对称性只与量子初态有关。 As a consequence, we present a calculating formula of probability distribution in terms of hypergeometric polynomial and give a sufficient condition on symmetry of probability distribution which is only determined by initial qubit states.
24871 实验结果表明，该方法能够有效模拟系统的长时间演化过程。 Our experimental results reveal that this method can well simulate the evolution process in a long time scale.
24872 相关结果可以推广到更一般类型的离散时间量子行走。 We also briefly extend these studies to more general discrete time quantum walks.
24873 广义签密可以灵活地工作在签密、签名和加密三种模式，具有很强的实用性。 Generalized sign cryption can run flexibly in three modes: signcryption, signature and encryption, and has strong practicability.
24874 本文结合基于格的签名方案和密钥交换协议，构造了一个无陷门的广义签密方案。 This paper combines lattice-based signature scheme and key exchange protocol to construct a trapdoor-free generalized signcryption scheme.