the system frame, composition, module function and the relationship of them are studied. also, the basic principles of system are described.

camera self-calibration is becoming the important field of calibration research. camera self-calibration based on active vision makes the problem simplified taking advantage of controlling camera to do known movement.

不需要标定参照物的自标定技术正成为目前摄像机标定研究的重点，其中基于主动视觉的自标定算法可以通过控制摄像机做已知的运动而使问题简化，正在成为当今研究的一个热点。

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it needs two characteristic points in the scene and controlling the plate do two translations and two rotations of camera plate to calculate rotation matrix and translation vector of hand-eye relation based on the correspondence between images after the camera movement.

需要场景中两个特征点，通过控制摄像机运动平台的做两次平移和两次旋转运动，即可通过图像之间的对应关系求出手眼关系的旋转矩阵和平移向量。

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this algorithm can reject background interferences by computation of the camera's movement, and can obtain the track of the weak target by computation of the target's transition probability and likelihood function.

该算法通过计算摄像机视场的运动，消除背景的干扰，通过计算模型中的目标转移概率和似然函数，确定点目标的运动轨迹。

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the paper proposes two new algorithms to improve the performance of perspective factorization. first, we propose to initialize the projective depths via a projective structure reconstructed from two views with large camera movement, then optimize the depths iteratively by minimizing reprojection residues.

首先，提出通过做较大运动的摄像机的两个射影重建的结构来初始化射影深度，然后通过最小化反投影残差来迭代地优化该深度。

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he was a pioneer in using camera movement, camera set ups and montage to explore the outer reaches of cinematic art.

在使用电影动感，电影结构和蒙太奇手法探索电影艺术更广阔外延方面他是开路先锋。

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how to solve the whole image variety due to the camera movement is a key problem and difficulty in the moving target detection.

如何去除摄像机运动造成的整帧图像的变化是运动目标检测中的一个关键技术和难点问题。在整体研究了当前的全局运动估计之后，采用摄像机6参数模型进行全局运动估计。

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object rotation, camera movement, rotation, and zoom

对象旋转、摄像机移动、旋转和缩放

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nice and smooth, so we can get the camera movement down.

老练些，那么我们可以搞定这个录像了。

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another solution is the steadicam smoothee ($ 150, tiffen. com), a version of the stabilizing equipment used by the pros that is been scaled down for smartphones and small cameras.

另一种解决方案是使用Smoothee摄影机稳定器（tiffen.com上的售价为150美元（约合人民币919元）），专业人员使用的这种稳定设备已经针对智能手机和小型照相机按比例进行了缩小。

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can we get your stamp of approval on our steadicam shot?

你可以给我们摄影盖个章吗？

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this round aluminum louver includes a water deflector and screen, making it ideal for situations where insects and rain are a problem.

这种铝制铝百叶窗，包括水导向挡板和筛网，因此非常适合使用在昆虫和雨水较多的地方。

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in a shaft hole in the middle of the connecting flange, an impeller shaft is connected with a power motor shaft;

在连接法兰中间的轴孔内，叶轮轴连接动力电机轴；

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and the impeller shaft is connected with a hydraulic motor.

叶轮轴与液压马达联接。

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pw, pwf mainly by the pump cover, pump casing, impeller, shaft seal, shaft, and bracket the composition of such components.

PWF主要由泵盖、泵壳、叶轮、轴封、轴、和托架等零部件组成。

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starts, starts, the impeller shaft driven by the high-speed rolling, the liquid between the blades is also necessary to follow the scroll.

启动后，启动后，叶轮由轴带动高速滚动，叶片间的液体也必需跟着滚动。

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the optical system includes a thin-film interference filter system in front of the prime lens, lens is connected with camera by the mechanical structure.

系统结构方式为在定焦光学镜头前端配置薄膜干涉滤光片来构建光路系统，镜头和相机通过专用机械结构相连接。

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the parts include fasteners used on aircraft, missile guidance electronics, materials used in body armor and engine mounts.

其中也包括了在飞机上使用的紧固器、飞弹导航电子设备。防弹衣原材料和引擎装置。

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photographers often push this effect further by using a very shallow depth of field while shooting, which blurs out everything unimportant and highlights the subject extremely well.

给这些小家伙拍照时，摄影师通常会选择很浅的景深，这样周围不重要的事物会很模糊，但主体会被突出得恰到好处。

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take a deep breath, and focus on that breath coming in, and going out.

深吸一口气，缓慢呼出。把注意力集中在气息的一进一出上。

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take a few deep breaths and focus on calming your thoughts, and you're ready for a relaxing evening, prepping you for a productive workday tomorrow.

做几次深呼吸，把注意力集中在平静你的思想上，你就已经为放松的晚上和第二天高效的工作做好了准备。

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