Inter-subject coherence in DT-MRI
First Claim
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1. A method for estimating a value of a diffusion tensor, said method comprising:
- obtaining, from a plurality of test subjects, DT-MRI data from which an initial estimate of the tensor can be derived;
determining a first value indicative of intra-subject variations in said data;
determining a second value indicative of inter-subject variation in said data; and
at least in part on the basis of said first and second values, determining a subject-specific additive offset for adjusting said DT-MRI data.
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Abstract
A method for estimating a value of a diffusion tensor includes obtaining, from a plurality of test subjects, DT-MRI data from which an initial estimate of the tensor can be derived. Values indicative of int-subject variation and inter-subject variation in the data are then determined. These values are used to determine a subject-specific additive offset for adjusting the DT-MRI data.
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15 Claims
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1. A method for estimating a value of a diffusion tensor, said method comprising:
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obtaining, from a plurality of test subjects, DT-MRI data from which an initial estimate of the tensor can be derived;
determining a first value indicative of intra-subject variations in said data;
determining a second value indicative of inter-subject variation in said data; and
at least in part on the basis of said first and second values, determining a subject-specific additive offset for adjusting said DT-MRI data. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A computer-readable medium having encoded thereon software for estimating a value of a diffusion tensor, said software comprising instructions for:
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obtaining, from a plurality of test subjects, DT-MRI data from which an initial estimate of the tensor can be derived;
determining a first value indicative of intra-subject variations in said data;
determining a second value indicative of inter-subject variation in said data; and
at least in part on the basis of said first and second values, determining a subject-specific additive offset for adjusting said DT-MRI data. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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Specification