Table 6.

The performance of different situations for amount estimation (Unit: %).

Situation	Container-Independent		Container-Dependent
			Can		Bottle		Handleless Mug		Handled Mug
	MPE	MAPE	MPE	MAPE	MPE	MPE	MAPE	MPE	MPE	MAPE
(1) Drinking Activity	−34.85	65.86	−27.24	51.59	−0.82	50.76	−35.89	69.09	−1.30	55.51
(2) Sip Gesture	−12.34	40.11	−29.09	47.28	−8.41	36.52	−5.90	40.77	−8.17	39.87