TESLA recovers 2D handwriting trajectories from touchscreen EM emanations on COTS smartphones, achieving 77% character recognition accuracy and 0.74 Jaccard index under realistic conditions.
Berkay Celik
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Capacitive Touchscreens at Risk: Recovering Handwritten Trajectory on Smartphone via Electromagnetic Emanations
TESLA recovers 2D handwriting trajectories from touchscreen EM emanations on COTS smartphones, achieving 77% character recognition accuracy and 0.74 Jaccard index under realistic conditions.