METHOD AND DEVICE FOR CHARACTER INPUT
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United States of America Patent
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Jun 16, 2016
app pub date -
Jun 25, 2013
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Jun 25, 2013
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Abstract
It is provided a method for recognizing character input by a device with a camera for capturing a moving trajectory of an inputting object and a sensor for detecting a distance from the inputting object to the sensor, wherein comprising steps of detecting distance from the inputting object to the sensor; recording the moving trajectory of the inputting object when the inputting object moves within a spatial region, wherein the spatial region has a nearest distance value and a farthest distance value relative to the sensor, and wherein moving trajectory of the inputting object is not recorded when the inputting object moves outside of the spatial region; recognizing a character based on the recorded moving trajectory.
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