Gantry detector tilt correction
by Denny Milakara
06 Jul 2010
(Updated 05 Jul 2011)
Transforms CT DICOMs with Gantry tilt angle
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| File Information |
| Description |
User Phil Lewis reasonably modified my first script by using 'imtransform' instead of translation. Still the problem with incorrect transformation of overlapping slices remained. I modified it to calculate the offset by using 'SliceLocation' and not the 'InstanceNumber'. Also there is more returned information in the command window for the user, who can now select input and output directory or overwrite the input files. If there is more than one series in a input folder, this folder will be skipped. Also mixed modalities or modality different than CT, as well as Gantry-free files will not be transformed.
If you have some specific need like transforming several series at the time or similar, feel free to contact me. |
| MATLAB release |
MATLAB 7.9 (2009b)
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| Updates |
| 13 Jul 2010 |
Wrong transformation when tilt angle is negative. |
| 05 Jul 2011 |
Wrong sign for negative angles corrected. |
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