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. Author manuscript; available in PMC: 2021 Apr 2.
Published in final edited form as: IEEE Trans Pattern Anal Mach Intell. 2006 May;28(5):738–752. doi: 10.1109/TPAMI.2006.98

Fig. 10.

Fig. 10.

Sensitivity to image resolution. (a) Tracking error for the upper eyelid. (b) Tracking error for the lower eyelid. (c) Tracking error for the iris center.