processing_stream_-_quality_assessment
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processing_stream_-_quality_assessment [2010/05/27 04:08] – created jochen | processing_stream_-_quality_assessment [2010/10/26 19:26] (current) – created jochen | ||
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===== Motivation ===== | ===== Motivation ===== | ||
- | There are several things that can go wrong during the acquisition phase (scanning) of a subject. Among those are several that impact the usability of a subject' | + | There are several things that can go wrong during the acquisition phase (scanning) of a subject, some of which severely |
Relevant for that decision could be one of the following issues: | Relevant for that decision could be one of the following issues: | ||
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To run the fMRI quality checking function, the images need to be in one of the functional imaging data formats currently supported by the xff class (Analyze/ | To run the fMRI quality checking function, the images need to be in one of the functional imaging data formats currently supported by the xff class (Analyze/ | ||
- | ===== Usage ===== | + | ===== Steps ===== |
- | For additional options, please consult the [[fmriquality|fmriquality reference]] | + | The assessment is divided into two separate steps: one that performs several computational analysis and stores several results in a structure (which can be saved to disk for later), and a second step that assumes user interaction (i.e. manual |
- | The most basic (and pre-configured) way of running | + | ==== Computation step (fmriquality) ==== |
- | <code matlab>% using Analyze files | + | Please consult the [[fmriquality|fmriquality reference]] manual page for all options and outputs. |
- | qas = fmriquality(findfiles(sessionfolder, | + | |
- | % alternatively, | + | ==== Assessment step (fmriqasheet) ==== |
- | fmr = xff(' | + | The output of [[fmriquality]] can be passed on to [[fmriqasheet]], |
- | qas = fmriquality(fmr);</ | + | |
- | The returned variable is of type struct and contains at least the following fields: | ||
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- | The output of [[fmriquality]] can be passed on to [[fmriqasheet]], |
processing_stream_-_quality_assessment.txt · Last modified: 2010/10/26 19:26 by jochen