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(a) Uninterpolated deformed tag lines in tagged MRI using a semiautomated tag-finding algorithm (b) Flood-filled quality image that guide displacement finding in DENSE. Unwrapped (smooth) phases within the myocardium in (c) vertical, (d) horizontal and (e) longitudinal orientations. (f) Directions of normal rotation (α) at the base and apex and torsion (θ). AR: axis of rotation, r: radius.
