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System recognizes hand gestures to expand computer input on a keyboard

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Researchers are developing a new technology that uses hand gestures to carry out commands on computers.
The prototype, called “Typealike,” works through a regular laptop webcam with a simple affixed mirror. The program recognizes the user’s hands beside or near the keyboard and prompts operations based on different hand positions.
A user could, for example, place their right hand with the thumb pointing up beside the keyboard, and the program would recognize this as a signal to increase the volume. Different gestures and different combinations of gestures can be programmed to carry out a wide range of operations.
The innovation in the field of human-computer interaction aims to make …

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