Computer Vision Based Automatic Extraction and Thickness Measurement of Deep Cervical Flexor from Ultrasonic Images

Table 3

Error magnitude of DCF (longus capitis/colli) thickness (# of successes/# of tried images).

	<0.1 cm	<0.2 cm	<0.3 cm	≥0.3 cm
Previous [16]	3/147; (2.0%)	32/147; (21.8%)	72/147; (49.0%)	40/147; (27.2%)
Proposed	13/197; (6.6%)	59/197; (29.9%)	105/197; (53.3%)	20/197; (10.2%)