Many users rest the palm of their hand on the screen when writing or interacting with a tablet or other touchscreen device. Spurious strokes can be generated from such touch, causing problems such as accidental activation of application modes or incorrect input. This disclosure describes the use of machine learning techniques to differentiate between valid and spurious strokes.
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Napper, Jon and Amarilio, Omri, "Automatic detection of spurious touch inputs", Technical Disclosure Commons, (August 26, 2019)