Systems, methods and techniques for inputting text into mobile devices using a camera-based keyboard
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United States of America Patent
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Feb 20, 2018
Issued Date -
N/A
app pub date -
Nov 10, 2015
filing date -
Nov 10, 2015
priority date (Note) -
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Abstract
Systems, methods and techniques are provided for interacting with mobile devices using a camera-based keyboard. The system comprises a processor system including at last one processor. The processor system is configured to at least capture a plurality of images in connection with the keyboard and at least one hand typing on the keyboard via the camera. Based on the plurality of captured images, the processor system is further configured to locate the keyboard, extract at least a portion of the keys on the keyboard, extract a hand, and detect a fingertip of the extracted hand. After that, a keystroke may be detected and localized through tracking the detected fingertip in at least one of the plurality of captured images, and a character corresponding to the localized keystroke may be determined.
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