The resulting classifier was then
Figure 5. Classification accuracies for all trial participant
pairings. Classifer was trained using 0.5 seconds of
finger training data (5 samples per participant).
Figure 4. Impact on classification performance by varying
classifier training data from 0.1 seconds (1 sample per
participant) to 8 seconds (80 samples per participant).
fed unlabeled testing data from participants 1 and 2 combined
and in a random order. This simulated sequential
touch events as if the users were co-located. From the perspective
of the classifier, this was no different than realtime
operation.