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Table 1 Quantitative comparison between the image registration using the original hierarchical transformation model and the modified transformation model in terms of mean absolute distance (in millimeters) for the two landmarks

From: MRI-based strain and strain rate analysis of left ventricle: a modified hierarchical transformation model

Method

Landmark A

Landmark B

Modified

0.4699 ± 0.5365

0.3317 ± 0.5462

Original

1.8204 ± 4.3261

1.1926 ± 2.0022