Diffusion-kurtosis-imaging-based radial kurtosis anisotropic quantitative method
A technology of diffusion kurtosis and anisotropy, which can be used in measuring devices, measuring magnetic variables, instruments, etc., and can solve problems such as unresolved feature analysis.
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[0033] A method for quantifying radial kurtosis anisotropy based on diffusion kurtosis imaging of the present invention will be described in detail below with reference to the embodiments and accompanying drawings.
[0034] Such as figure 2 As shown, a radial kurtosis anisotropy quantitative method based on diffusion kurtosis imaging of the present invention comprises the following steps:
[0035] 1) Estimate the tensor from the original data through the diffusion kurtosis imaging model;
[0036] The original data includes: a non-diffusion-weighted imaging signal with b=0, several diffusion-weighted imaging signals with non-zero b values, and the imaging signals come from the same object. The acquisition of diffusion-weighted imaging signals is direction-dependent. In order to obtain more accurate structural information, the actual acquisition will carry out several (M>=2) diffusion-weighted imaging signal acquisitions with non-zero b values in multiple directions (N>=15)...
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