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. Author manuscript; available in PMC: 2010 Nov 23.
Published in final edited form as: J Neurosci Methods. 2009 Jul 30;181(2):268–282. doi: 10.1016/j.jneumeth.2009.05.007

Table 1.

Calculated correlation coefficients for the center voxel's nearest neighbors under several operations.

Operation Left Neighbor
Real
Left Neighbor
Imaginary
Left Neighbor
Real/Imaginary
Left Neighbor
Magnitude2
Right Neighbor
Real
Right Neighbor
Imaginary
Right Neighbor
Real/Imaginary
Right Neighbor
Magnitude2
None 1.3e-16 1.3e-16 4.25e-17 3.3e-17 1.3e-16 1.3e-16 4.25e-17 3.3e-17
UniformT2 5.6e-8 5.6e-8 3.7e-5 1.2e-8 5.6e-8 5.6e-8 3.7e-5 1.2e-8
VaryingT2 4.9e-8 4.9e-8 3.4e-5 1.6e-8 4.9e-8 4.9e-8 3.4e-5 1.2e-8
B-Gradient 5.5e-7 5.5e-7 5.8e-10 7.5e-8 5.5e-7 5.5e-7 6.0e-10 7.7e-10
Partial Fourier 3.8e-5 8.9e-5 8.0e-17 7.0e-6 3.8e-5 8.9e-5 8.0e-17 7.0e-6
Partial Fourier
and UniformT2
5.6e-5 4.0e-3 1.3e-6 1.3e-6 5.6e-5 4.0e-3 1.3e-6 1.3e-6
Partial Fourier
and VaryingT2
7.7e-5 8.6e-4 9.3e-7 2.3e-6 7.7e-5 8.7e-4 1.3e-6 2.3e-6
Gaussian Smoothing 7.3e-1 7.3e-1 1.3e-16 7.3e-1 7.3e-1 7.3e-1 1.3e-16 7.3e-1
VaryingT2
Partial Fourier
and Smoothing
7.5e-1 7.5e-1 2.2e-4 7.5e-1 7.4e-1 7.4e-1 1.0e-4 7.4e-1
VaryingT2
B-Gradient
and Smoothing
8.2e-1 8.2e-1 2.9e-6 7.0e-1 7.5e-1 7.5e-1 2.7e-6 5.4e-1
Operation Top Neighbor
Real
Top Neighbor
Imaginary
Top Neighbor
Real/Imaginary
Top Neighbor
Magnitude2
Bottom Neighbor
Real
Bottom Neighbor
Imaginary
Bottom Neighbor
Real/Imaginary
Bottom Neighbor
Magnitude2
None 5.4e-15 5.4e-15 9.2e-15 1.4e-15 5.4e-15 5.4e-15 9.2e-15 1.4e-15
UniformT2 4.9e-1 4.9e-1 2.0e-1 3.4e-3 4.9e-1 4.9e-1 2.0e-1 2.4e-3
VaryingT2 4.9e-1 4.9e-1 1.9e-1 5.2e-3 4.9e-1 4.9e-1 1.9e-1 3.6e-3
B-Gradient 2.7e-16 6.3e-17 8.1e-15 3.6e-17 1.5e-15 6.2e-20 1.1e-14 3.9e-16
Partial Fourier 2.6e-2 5.7e-1 1.0e-5 2.9e-3 2.6e-2 5.7e-1 1.0e-5 2.9e-3
Partial Fourier
and UniformT2
5.3e-1 2.0e-1 1.1e-3 1.2e-1 5.3e-1 2.0e-1 1.1e-3 1.2e-1
Partial Fourier
and VaryingT2
5.3e-1 1.1e-1 1.3e-3 1.0e-1 5.3e-1 1.1e-1 4.4e-4 1.2e-1
Gaussian Smoothing 7.3e-1 7.3e-1 2.8e-16 7.3e-1 7.3e-1 7.3e-1 2.8e-16 7.3e-1
VaryingT2
Partial Fourier
and Smoothing
3.7e-1 6.1e-1 2.2e-2 3.7e-1 3.3e-1 6.1e-1 1.1e-2 3.3e-1
VaryingT2
B-Gradient
and Smoothing
5.9e-1 5.9e-1 1.4e-1 5.8e-1 5.9e-1 5.9e-9 1.4e-1 5.9e-1