This could include enabling input processing, and enabling camera tracking for the player object.

这应该包括开启输入控制，启动摄像机跟随等功能。

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This paper presents a camera tracking algorithm based on the statistics of feature blocks, it can be used to track the movement of camera in video files.

提出一种基于特征块统计的摄像机跟踪算法，可用于视频中摄像机运动的快速跟踪和定位。

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The depth-sensing, motion tracking camera, designed for the XBox games console, was a hit with gamers, but also captured the imagination of hardware developers around the world.

BBC: Possessed furniture: Inside Microsoft's UK research lab

Another alternative to the mouse as a pointing device is to use a gaze-tracking camera, which works out where you are looking and moves an on-screen pointer accordingly.

ECONOMIST: Computer interfaces

Certified as the first Ultrabook optimized for MS Lync, the HD face tracking camera and dual array microphones ensure high quality video and voice track capability without the need to use USB peripherals.

ENGADGET: Lenovo announces the ThinkPad X1 Carbon Touch, available now for $1,399 and up