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APPS Overview
Dickson Wong edited this page Sep 11, 2020
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APPS is a program used to perform a variety of signal processing steps before you fit MR spectra collected in-vivo. Some things that can be done include:
- Converting spectroscopy files generated from Bruker scanners into a FITMAN compatible
*.dat
format - Removal of residual water signal from the in-vivo spectrum
- Subtraction of a macromolecule spectrum from the full (metabolite + macromolecule) spectrum acquired during an interleaved acquisition.
APPS is organized in a tabbed format.
Instructions for each tab are given below:
- Simulate Tab
- Load Experiment Tab
- Edit Metabolites Tab
- Plot Metabolites Tab
- Export Basis Set
- Generate Constraint File
- Generate Guess File
- 1 Practical Short TE 1H MRS
- 2 fitMAN Spectral Fitting
- 2.1 Mathematical Model
- 2.2
*.dat
Format - 2.3
*.ges
Format - 2.4
*.cst
Format - 2.5
*.out
Format - 2.6 Fitting Data
- 2.7 Further Reading
- Amplitudes / CRLBs Tab
- Brain Extraction Tab
- Brain Segmentation Tab
- Set Parameters Tab
- Quantify Metabolites Tab
- Amplitudes / CRLBs Tab
- Brain Extraction & Segmentation Tab
- Set Parameters Tab
- Quantify Metabolites Tab
Background Information