Table 2. Distribution of time shares of the calibration stage for 400 samples.

	Execution time per sample in seconds: average (std. dev.)	Total execution time in hours	Time share
Mastication	90.6 (19.1)	100.7	64.5%
Digitization a	52.9 (4.2)	51.5	33.0%
Image processing	3.5 (1.1)	3.9	2.5%
Total	178.6 (5.8)	156.1	100.0%

^a Also includes the resting time