Later this year, the Xbox will implement a motion-tracking system called Project Natal.
今年晚些时候，Xbox将会执行一个叫“纳塔尔计划”(Project Natal)的动作跟踪系统。
Now we have a motion-tracking function that is run for every frame of video that comes in. Let's retrieve the coordinates and draw a blue circle where there is motion.
现在有了一个运动跟踪函数，对于视频的每一帧都会运行它。
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。
However, if the tracking window is too small, it can become difficult to estimate motion from one frame to the next.
然而，如果跟踪窗口太小，它可以变得很难估计的运动，从这一帧画面到下一个。
Using motion-detection algorithms, the BriefCam software separates the background (static or non-moving objects) from the moving objects, tracking and analysing any motion within the frame.
利用运动检测算法，BriefCam软件能把背景（静态或非运动的物体）同运动的物体分开，在帧内记录并分析任何一个动作。
Human motion tracking and analysis has been receiving increasing attention from researchers in the fields of image processing and computer vision during the past few years.
近年来，人体运动的跟踪与分析在图像处理与计算机视觉领域引起许多学者的关注。
In motion control system, interpolation calculation and tracking control are hard real-time tasks.
在运动控制系统中，插补计算与跟踪控制算法是强实时任务。
According to the author's Cotangent relations theorem, bearings-only target tracking with linear motion is achieved.
根据所提出的余切关系定理，实现了纯方位观测的直线运动目标跟踪。
Both tracking methods achieve the target tracking state in common by establishing the motion parameter model and obtaining the motion state estimation of the target.
这两种方法的共同点是都是通过建立目标运动的参数模型，获得目标的运动状态估计，从而实现目标跟踪。
The motion tracking characteristics of steering Angle based wheel trailer system were studied. Two mechanism models which satisfy the definition of the steering Angle were present.
分析了基于牵引操舵角的轮式拖车系统的运动跟踪特性，提出了两种满足牵引操舵角概念的机构模型。
It is proven that the new controller can guarantee the perfect motion tracking. On the other hand, the force tracking error is bounded with the bound being adjustable.
证明了新的控制器一方面保证了运动的完全跟踪，另一方面保证了力跟踪误差是有界的且界的大小是可以调节的。
The regions of interest which contain the target in the next frame, namely tracking windows, are predicted by motion estimator.
首先利用运动估计预测目标在下一帧的感兴趣区域，也就是跟踪窗。
The research of motion optical tracking and prediction is important for many fields, such as aerocraft navigation, robot path planning and so on.
对运动物体进行光学跟踪及轨迹预测，在飞行器导航、机器人路径规划等方面一直是个研究热点。
Experimental results of tracking micromanipulator motion demonstrate the effectiveness of the proposed model.
微装配机械手运动实验证明了该模型及跟踪算法的有效性。
Object tracking could he generalized as object extracting, estimation of parameters of motion.
目标跟踪可概括为目标提取、运动参数估计、目标匹配几个过程。
For the importance of tracking trajectory planning to guarantee the continuous and smooth tracking motion, two stages visual tracking trajectory planning method is presented.
针对跟踪轨迹规划对于确保得到连续光滑的跟踪运动的重要性，提出了两级视觉跟踪轨迹规划方法。
In general, the human motion vision analysis includes the follow four steps: motion detection, moving object classification, people tracking, motion understanding and description.
人体运动视觉分析一般包含运动检测，运动目标分类，人体跟踪，行为理解与描述四个阶段。
Motion vehicle detection is the precondition of vehicle tracking, it is very important but a difficult problem of vehicle motion analysis.
运动车辆的正确检测是车辆跟踪的前提，是车辆运动分析的一个重点和难点。
To the different problems in practice, three main aspects are involved in this paper: the estimation of motion vector field, the parametric tracking model of lv and probability tracking model of lv.
针对实际应用的不同侧重点，本文核心内容包括三方面：LV的运动矢量场估计、LV参数化运动跟踪模型和LV的概率跟踪模型。
In the thesis, the algorithm of background subtracting, frame difference algorithm, motion estimation based on optical flow field and object tracking based on active shape contour are investigated.
本文研究了背景相减算法、差分法、基于光流场的运动估计和基于主动形状模型的目标跟踪算法。
Firstly the regions of interest which contained the target in the next frame, namely tracking windows, were predicted by motion estimator.
利用运动估计预测目标在下一帧的感兴趣区域，即跟踪窗。
The compensation of motion background is always necessary for detection and tracking motion object.
从视频运动背景中检测与跟踪运动目标通常需要对背景进行补偿校正。
Finally, matching the detected motion objects with the minimal outer rectangle realize the tracking.
最后对检测出的运动对象利用最小外接矩形框特征匹配，实现对它们的跟踪。
Target tracking based on parameterized technique covers two aspects, that is, tracking methods based on motion parameter or based on image information.
基于参数化技术的目标跟踪方法包括两方面：基于目标运动参数的跟踪方法和基于目标图像信息的跟踪方法。
The system includes such modules as obstacle detection by FLS, tracking, motion estimation and planning algorithms.
整个避碰规划系统包括声纳探测目标、目标跟踪、特征信息提取、目标运动估计、避碰算法等部分。
In the seam tracking system, the motion of the cross slipper has an important effect on the torch movement.
十字滑块的微动特性对焊缝跟踪系统中焊枪的运动有着重要影响。
Firstly, a basic design is finished according to the LOS angular motion and tracking accuracy specification.
首先根据目标视线角运动和跟踪精度指标进行初步设计。
An electromagnetic tracking device was employed to measure the ranges of motion of the whole lumbar spine.
获取他们腰椎侧位平片和磁共振片，应用一种电磁跟踪设备测量整个腰椎的活动范围。
An electromagnetic tracking device was employed to measure the ranges of motion of the whole lumbar spine.
获取他们腰椎侧位平片和磁共振片，应用一种电磁跟踪设备测量整个腰椎的活动范围。
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