Table 4. The absolute channel error (IED ratio) for the innervation zone detection (MEAN±SD).

SNR (dB)	-5	0	5	10	15
# IZ
1	0.01±0.05	0.01±0.03	0.00±0.03	0.01±0.03	0.01±0.02
2	0.05±0.29	0.01±0.11	0.00±0.09	0.00±0.07	0.00±0.03
3	0.02±0.31	0.02±0.14	0.00±0.09	0.01±0.10	0.02±0.11
4	0.10±0.34	0.03±0.13	0.01±0.09	0.03±0.09	0.01±0.08
5	0.03±0.15	0.02±0.11	0.02±0.11	0.01±0.08	0.01±0.12

#IZ: the number of innervation zones in each frame; the error values could be transferred to mm by multiplying IED (5 mm); The averaging was performed over 30 simulations in each category.