The term " Head-mounted Display (HMD) " refers to a set of goggles with extra equipment installed on the head, including storage, a monitor, a camera tracker, and headphones. A head-mounted display (HMD) is a wearable device that covers the user's eyes and displays information or virtual content in front of their eyes. HMDs are often used in virtual reality (VR) and augmented reality (AR) applications, where they provide an immersive experience by blocking out the user's view of the physical world and replacing it with a digital one.
There are two main types of Head-mounted Display (HMD): optical see-through and video see-through. Optical see-through HMDs use transparent displays, such as a curved mirror, to reflect images onto the user's eyes. This type of HMD allows the user to see both the digital content and the real world simultaneously. Video see-through HMDs use small screens, such as OLED or LCD displays, to display the digital content in front of the user's eyes. This type of HMD blocks out the user's view of the real world.
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