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. Author manuscript; available in PMC: 2014 Oct 17.
Published in final edited form as: Nature. 2014 Mar 2;508(7496):392–396. doi: 10.1038/nature13070

Extended Data Figure 3. Generating velocity field and estimating measurement error.

Extended Data Figure 3

(a) Velocity fields (blue) and streamlines (red) of the cytoplasmic flow in the wild type embryos at t = 4–6 min. Velocity fields were averaged with different sampling radius R. We selected an R value of 18 μm in our study (Supplementary Methods). (b) Heat maps showing the relative standard error for Vx, Vy and V (RSEx, RSEy and RSE, respectively). (c) Heat maps showing the number of trajectories being averaged. (d) The average RSE as a function of time.