活跃的头部跟踪(Active Head Tracking) 数据介绍： Tracking a person's head with an active camera and zooming in when the person stops.
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active head tracking
主动头部跟踪
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The company is also (without DFKI) developing a virtual reality environment that uses a pair of active-shutter glasses and a head-tracking camera to let you wander around cave-like structures from the comfort of the lab.
ENGADGET: 'Talking Places' is the Google Glass of tour guides, we go hands-on (video)
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