The myocardial ECV involves manual segmentation on pre- and post-injection T1 maps, which is a time-consuming process. An initial registration of the two maps represents a suitable solution to reduce the analyze duration. Here, we propose to compare the ECV obtained after the registration against the manual computed one using a STEMI-patients database. If the difference between the two approaches was significant, the bias remained thin (less than 1% for the remote part and 3% for the infarct part). These results and the speed of the registration (1s per slice) tip the scales in favor of its use
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