Capturing facial expressions and using them to drive the expression of a virtual character is more difficult than motion capture, because the movements involved are much smaller and more subtle.
捕捉面部表情，并用这些表情来操纵虚拟角色的表情，比捕捉肢体动作困难得多，因为它涉及的动作微小得多，也更加难以捉摸。
Once the motion-capture data has been obtained, it can be used to drive the movements of a virtual character, which may be a very different size and shape from the original actor.
动作捕捉数据一旦被捕获，便可以用以使虚拟角色做出相应动作，而虚拟角色的大小和外形可能跟表演者大相径庭。
In part one we discussed how motion tracking lets us be awesome air guitarists and drummers inside the virtual space.
在第一部分，我们讨论了运动跟踪怎么让我们敬畏虚拟空间的空气吉他手和鼓手。
This paper presents a motion control algorithm for virtual human based on torque optimization. The algorithm is founded on the use of quaternion, recursive dynamics and optimal control.
本文以四元数、递归动力学和优化控制为基础，提出了一种基于力矩优化的虚拟人运动控制算法。
The motion generation and control techniques are one of the most significant aspects of virtual human technology.
虚拟人的运动生成及控制是虚拟人技术的重要研究方向。
Then the method of using mouse and keyboard for virtual maintenance operations is stated which defines the motion model separately for them.
本文还介绍了虚拟维修环境中鼠标和键盘的运动模型定义方法。
People's responses and tolerance to sickness vary, and visually induced motion sickness occurs more readily in virtual reality headsets than with computer or TV screens.
人的反应和对眩晕的耐受性会发生变化，相比与计算机或电视屏幕，视觉诱发的晕动症更容易发生在虚拟现实头盔的使用过程中。
In order to make human motion simulation more realistic in Virtual Reality on PC platform, this paper introduces an improved method of modeling human body as a tree with constraint joints.
为了能在基于PC平台的虚拟现实中实现更具真实感的人体运动仿真，该文提出一种改进的约束求解方法，将人体建模为基于约束关节树的骨骼结构。
The motion modeling system structure of virtual gear measuring center is introduced.
介绍了虚拟齿轮测量中心运动建模的体系结构。
This paper focuses on the technology of motion mapping between human hand and virtual hand.
本文对从人手到虚拟手的运动映射技术进行了详细的探讨。
Gesture recognition of human hand based on data glove and motion mapping from human hand to virtual hand are studied.
研究了基于数据手套的人手手势的获取和人手到虚拟手的动作映射方法。
The experimental results demonstrate that the presented method can efficiently fuse the motion of characters with virtual scenes.
实验结果表明，提出的方法能够真正有效地实现同一场景下角色与场景协调的运动融合。
Based on the conception of instantaneous motion center, a new virtual vibration system for dynamic balancing measurement is proposed.
根据瞬时运动中心的概念，提出一种全新的动平衡测量虚拟振动系统。
The interferograms are modulated by the displacements of the virtual point sources of the reference beams due to motion of the small mirror.
这些干涉图被由小平面反射镜运动造成的参考光虚点光源的位移所调制。
The virtual world structure for controlling the motion of the flight vehicle model is presented, and hereby a virtual world including the flight vehicle model and the scene model is built up.
给出了飞行器级间分离仿真时用于控制飞行器模型运动的虚拟世界结构，并且据此建立了一个包括飞行器模型和场景模型的虚拟世界。
Using DXVHSDK, we develop a prototype system which can control virtual human's motion.
在DXVHSDK的基础上，本文开发了一个可以控制虚拟人运动的原型系统。
The radius variation of the jet in the motion process is deduced based on the virtual origin concept.
基于虚拟原点概念推导了运动过程中射流径向尺寸变化规律。
The mapping method based on magnetic tracker can be extended to the motion tracking of multi-kind of operation guide system or virtual reality system.
基于磁定位器的映射方法可以应用到多种手术导航或虚拟现实的运动跟踪中。
Some enable technologies, such as virtual design system, virtual device system and virtual motion controller, are discussed.
讨论相应的一些支撑技术即虚拟设计系统、虚拟仪器系统和虚拟运动控制器。
It is simply introduced the course of the motion database on a virtual model for the Bianzhong choreography.
简述了面向编钟乐舞的虚拟角色的动作库制作过程。
Besides, by integrating with surgical robots, virtual surgery simulation could also afford accurate positioning information to master-and-slave motion control of the robot systems.
通过与手术机器人控制系统的集成，虚拟手术仿真还可以为机器人系统的主从运动控制提供精确的定位信息。
A motion guidance method based on semantics recognition and constraint recognition is provided to help the user move or rotate the parts in the virtual environment freely and precisely.
通过语义识别捕捉虚拟装配过程中用户交互意图，进行装配零部件的运动引导与精确定位，使得用户能够在虚拟环境中自如地、准确地进行装配定位。
A virtual hand kinematic model is established, and a new calibration method based on curve fitting is presented in order to gain accurate data to well control the motion of the virtual hand.
提出一种曲线拟合的校准方法，以获取精确的数据，更好地控制虚拟手的运动。
Human motion has played a very important role in file production, video games, virtual reality applications, and control of humanoid robot.
人体运动在电影制作、视频游戏、虚拟现实应用以及拟人机器人控制中都占有非常重要的地位。
The new method can drive arbitrary skin grid of virtual human and can achieve better deformation result in any motion state.
该方法适用于任意皮肤网格组织方式的虚拟人模型，能够在人体各种运动状态下实时生成逼真的全身皮肤运动变形。
The simulation of mans motion plays an important role in the areas of distributed virtual battlefield simulating, disaster rescuing and interactive riot policeman exercising.
人体运动的仿真在分布虚拟战场环境仿真、灾难救援训练、交互式防暴演习等领域有重要的应用。
Motion Capture is to record the motion track in three dimensions by sensor devices, to transform it to motion data, and then to drive the virtual human to move based on these data.
运动捕捉是指通过传感设备记录人体在三维空间中的运动轨迹，并将其转化为抽象运动数据，然后根据这些数据驱动虚拟人运动。
We use motion capture technique to record actors' original performance and implement skeleton animation for real-time virtual dance exhibition.
利用动作捕捉技术记录舞蹈演员的表演，根据获取的动作数据，采用骨骼蒙皮动画的方式进行实时虚拟舞蹈的展示。
We use motion capture technique to record actors' original performance and implement skeleton animation for real-time virtual dance exhibition.
利用动作捕捉技术记录舞蹈演员的表演，根据获取的动作数据，采用骨骼蒙皮动画的方式进行实时虚拟舞蹈的展示。
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