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Inferring Touch From Motion in Real World Data
Pascal Bissig, Philipp Brandes, Jonas Passerini, Roger Wattenhofer
ETH Zurich - Distributed Computing Group - www.disco.ethz.ch
Your Phone Stores Many Secrets...
...Protected with a Pin Code, Luckily!
Imitation Game: Code Breaker
Accelerometer Data When Tapping '1'
Algorithm: Dynamic Time Warping
Algorithm: Dynamic Time Warping
User Base of Game
1 493 users, 87 962 levels >1 000 000 taps
Results
Results
training size 10
Results
training size max
Results
Beyond 3x3 Tapping
Countermeasures
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