Table 1.

Mean, standard deviation (SD) and maximum (Max) latency of tracking data transfer for OpenIGTLink and NiftyLink software

Frame rate (fps)	OpenIGTLink			NiftyLink
	Mean (ms)	SD (ms)	Max (ms)	Mean (ms)	SD (ms)	Max (ms)
128	0.30	0.11	0.65	0.34	0.10	1.17
512	0.34	0.11	0.62	0.35	0.10	0.66
1,024	0.31	0.13	0.69	0.31	0.14	0.75

Measurements taken over 10,000 frames of 16 channel tracking data messages