The location of head mounted display (HMD) is the essential crucial process of augmented reality system, it's veracity determines the precision of three dimension registration.

头盔显示器(HMD)定位是扩展现实系统应用中必不可少的关键过程，其定位的准确程度直接决定了三维注册的精度。

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Tanagram also hopes to have the server and client system operational as early as Q2 2011 as well as an open-source head-mounted display (HMD) client by the end of next year.

Tanagram还希望最早在2011年第二季度让服务器和客户端系统具有可操作性，并且在明年年底推出一个开源的头戴显示屏客户端。

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If it finds a matching reference, it'll bring up contextual information that is displayed on the Brother head-mounted display that accompanies the SMI glasses.

ENGADGET: 'Talking Places' is the Google Glass of tour guides, we go hands-on (video)

Similarly, the movements of the rats were tracked in their cage and used to control an avatar projected into the VR world the human subjects experienced via a head-mounted display.

BBC: Rats and humans meet via virtual reality and robotics

The camera maker did, however, take the opportunity to shed some light on its US plans for the head-mounted display yesterday at an event held in Manhattan's Classic Car Club.

ENGADGET