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README for MRF Data Files
This repository contains six data files related to the Magnetic Resonance Fingerprinting (MRF) reconstruction process. Below is a description of each file and its contents:
- raw.mat
Description: This file contains the k-space data after coil compression.
Dimensions: (6, 1344, 48, 1000)
The k-space data is compressed from 64 physical coils to 6 virtual coils.
The dimensions reflect the compressed k-space data with 6 virtual coils, 1344 spatial points, 48 temporal frames, and 1000 time steps.
- sens.mat
Description: This file contains the coil sensitivity maps used for sensitivity-weighted combination.
Dimensions: (6, 220, 220, 220)
The coil sensitivity maps have a size of 6 virtual coils, with spatial dimensions of 220x220x220.
These maps are used to combine the k-space data with sensitivity weighting and remove the coil dimension.
- Rec.mat
Description: This file contains the reconstructed subspace images after the subspace-based reconstruction process.
Dimensions: (220, 220, 220, 5)
The subspace images have spatial dimensions of 220x220x220 and 5 temporal components.
These images are the result of low-rank modeling along the temporal dimension during the reconstruction.
- crds.mat
Description: This file contains the sampling trajectories used in the reconstruction process.
Dimensions: (3, 1344, 48, 1000)
The sampling trajectories are represented with three channels corresponding to the three-dimensional k-space coordinates (x, y, z).
The data dimensions correspond to 1344 spatial points, 48 temporal frames, and 1000 time steps.
- T1T2.mat
Description: This file contains the MRF quantitative parameter maps for T1 and T2 relaxation times.
Dimensions: These maps are typically generated after reconstruction and are used for parameter estimation.
They provide the quantitative information needed for tissue characterization based on MRF data.
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