The principle is simple. The selfie camera on the front of smartphone and Artificial Intelligence (AI) algorithm catch positions of fingers, recognize the coordinates of the end of the hands, and use this to match the keyboard layout with characters. It seems that you need a high-performance camera function in order to be able to grasp the movement of fingers, but you don’t need ToF sensor or SL sensor to detect the distance. This means that it could be easily extended to various portable devices, such as most smartphones, tablet PCs, and notebook PCs with a front camera.
There have existed virtual keyboards in the past that you could type characters by tapping on the keyboard by means of the laser and infrared but the principle is different. The existing products are on a method in which a virtual keyboard is made visible on the desk where the laser is lit, and a finger is pointed on the keyboard, which position is sensed and which character input is interpreted by the infrared. In this case, an additional device is required, which lights the laser and emits the infrared in order to interpret the input information, which to be Bluetooth connected to a smartphone or PC. Therefore, on this occasion, the portability is low, and mistyping rate is comparatively in high failures to detect the exact finger positions.
The virtual keyboard developed by the Selfie Type, which is the venture organization in SAMSUNG, overcomes this problem in the past by recognizing finger movements, not keyboard positions. One of its strengths is that it could analyze personal typing habits as much as Artificial Intelligence is applied, and steadily improve input accuracy as well. Currently, only English is available but will be expanded to other languages in the future.
▶SAMSUNG Electronics Newsroom - Selfie Type
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