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. Author manuscript; available in PMC: 2014 May 1.
Published in final edited form as: Exp Fluids. 2011 May 1;50(5):1247–1259. doi: 10.1007/s00348-010-0985-y

Figure 4.

Figure 4

Normalized root mean squared errors (NRMSE, see equation 7) between the original and the post-processed vortical flow fields, as a function of the percentage of outlying vectors, in the following situations: A and B: Gaussian noise with standard deviation (STD) 1% Vmax, with scattered (A) and clustered (B) spurious vectors; C and D: Gaussian noise with standard deviation 10% Vmax, with scattered (C) and clustered (D) spurious vectors. CONVL stands for the conventional method while DCT-PLS represents the DCT-based penalized least squares method.