fmriqasheet
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— | fmriqasheet [2010/06/17 15:14] (current) – created jochen | ||
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+ | ====== fmriqasheet ====== | ||
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+ | ===== Motivation ===== | ||
+ | Please refer to the information given at [[fmriquality]]. This is an auxiliary function split out of fmriquality to allow being called separately. | ||
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+ | ===== Function reference ('help fmriqasheet' | ||
+ | < | ||
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+ | FORMAT: | ||
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+ | Input fields: | ||
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+ | q | ||
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+ | Output fields: | ||
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+ | qs figure handle (1x1 double)</ | ||
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+ | ===== Usage ===== | ||
+ | Given that one has already called the [[fmriquality]] function, the usage is straight forward: | ||
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+ | <code matlab fmriqasheet_example.m> | ||
+ | fmriqasheet(qas);</ | ||
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+ | ===== Interpreting the output ===== | ||
+ | There are two cases. First, **if '' | ||
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+ | {{: | ||
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+ | The top plot graph shows one timecourse per slice (only voxels detected as foreground/ | ||
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+ | With the standard Matlab figure toolbar enabled, it is very convenient to zoom in on those parts of the timecourse (top plot) that show distortions (which might require additional investigation and/or allows the user to note those volumes for later discarding): | ||
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+ | {{: | ||
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+ | Second, **if '' | ||
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+ | {{: | ||
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+ | Instead of a single graph in the top row, the two graphs show the slice-wise time courses (left) and the detected motion parameters (right). Next to the (smaller formatted) histogram in the bottom row, the " | ||
fmriqasheet.txt · Last modified: 2010/06/17 15:14 by jochen