Robust Myocardial Motion Tracking for Echocardiography: Variational Framework Integrating Local-to-Global Deformation

Figure 4

Synthetic images: (a) original LV template, (b) speckle image with Rayleigh distribution, (c) with Fisher-Tippet distribution, and (d) its smoothed image by a Gaussian filter.

(a)

(b)

(c)

(d)