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An example of the collected signal through the accelerometer (Acc) and gyroscope (Gyro) by a subject. The colored bar is the ground truth of activities, including answering a phone call (A), fluid intake with a can (FI1), combing hair (C), fluid intake with a bottle (FI2), eating with hands (H), fluid intake with a handleless mug (FI3), eating with a spoon (S), fluid intake with a handled mug (FI4).
