Microsoft has exploded new patent development eye tracking technology [full text]

The science and technology dynamics In order to obtain sensory abilities in the virtual reality/enhanced reality environment, we must rely on the help of computers. As computers increasingly participate in this process, it becomes more and more important how to achieve more accurate tracking.
In order to present a more realistic AR/VR experience, the computer's ability to determine what the user is looking for must be further improved. According to the latest report, Microsoft may already have a solution to this.

Judging from a patent application that was exposed a few days ago, Microsoft is developing more accurate gaze-tracking technology. According to the patent description, the purpose of this technique is to assist the user in interacting with the computer to overcome the problem of inability to operate the mouse or move the cursor, regardless of whether the cause of the problem is the user's physical disability or the hands being occupied.
Of course, this technology can also be applied to AR and VR.
Microsoft's current AR solution, HoloLens, can only detect the orientation of the user's head, and the technology in this patent uses a combination of sensor and processor to determine the user's gaze direction independent of the head position.

Although similar technologies exist today, Microsoft believes that they have the disadvantages of high cost, complexity, high energy consumption, and bulkiness. The tracking system described in the patent can not only reduce the size of equipment, reduce complexity and energy consumption, but also have higher accuracy in judging eye movement and orientation.
In simple terms, the system's tracking of the gaze direction is not affected by the position of the user's head—for example, looking straight to the right but looking left—is therefore more suitable for use in AR/VR devices. Capacitance sensors in the system can be tracked close enough to the front of the user's glasses, and contact lenses containing conductive material can also be used to enhance the sensitivity of the capacitive sensor.
Of course, the existence of a patent does not mean that the relevant technology will actually be put into use. To make this technology available for product development, Microsoft needs to make it accurate, fast, and cost-effective.

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