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Table 1 Shows the acquisition time for 22 different scans, conducted with different combinations of NEX and DED.

From: Estimation of helical angle of the left ventricle using diffusion tensor imaging with minimum acquisition time

Acquisition number Diffusion encoding directions
(DED)
Number of excitations
(NEX)
Acquisition time
(TA)
[Mins]
1 12 1 1.63
2 12 2 3.25
3 12 3 4.88
4 12 4 6.51
5 12 6 9.76
6 12 8 13.02
7 12 12 19.52
8 12 16 26.03
9 12 20 32.54
10 30 1 3.91
11 30 2 7.81
12 30 3 11.72
13 30 4 15.62
14 30 5 19.53
15 30 6 23.43
16 30 7 27.34
17 30 8 31.24
18 64 1 8.14
19 64 2 16.27
20 64 3 24.41
21 64 4 32.54
22 256 1 32.32