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. Author manuscript; available in PMC: 2015 Aug 14.
Published in final edited form as: IEEE Trans Vis Comput Graph. 2010 November-December;16(6):1348–1357. doi: 10.1109/TVCG.2010.200

Fig. 5.

Fig. 5

Geometric meaning for Beltrami coefficients μ. The quasi-conformal deformation can be measured by the local stretching K and the angle distortion θ through mapping infinitesimal circles to ellipses.