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Table 3 Parameters of the HBM method

From: Evaluation of strain averaging area and strain estimation errors in a spheroidal left ventricular model using synthetic image data and speckle tracking

Parameter Iteration number
1 2 3
Similarity measure Cross-correlation coefficient   
Input signal RF envelope RF envelope RF
Kernel overlap 2/3   
Method to obtain subpixel resolution Similarity measure map interpolation using cubic B-spline
Subpixel resolution 16x 32x 64x