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Basic T1 fitting

Project description

T1 fitting

Simple T1 fitting. Uses the following fitting model: x = A - B exp{-t/T_1}

where A and B are complex coefficients, t are the inversion times.

Installation

Should be as easy as:

pip install t1est

Usage

Run examples as follows:

python -m t1est.examples.basic_usage

The function t1est() can be called as follows:

from t1est import t1est

# x is the array of images at different inversion times.  The
# inversion times are provided as TIs
T1map = t1est(
    x, TIs, time_axis=-1, mask=mask, method='trf', T1_bnds=(0, 3),
    chunksize=10, molli=True, mag=True)

Notice that x may be any-dimensional, but time points must lie along the time_axis dimension. If molli=True, then T1 is adjusted as follows: T1’ = T1 (B/A - 1)

Project details


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