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. 2015 Mar 5;6(4):1146–1163. doi: 10.1364/BOE.6.001146

Fig. 3.

Fig. 3

(a) Measured trajectory of longitudinal pneumatic actuator. Maximum translation speed was ~1 mm/s. (b) Filtered and linearized longitudinal trajectory for spline resampling. Zoomed portion of an endoscopic en face OCT image of the rectum (c) before and (d) after correction.