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eyes:logics:radonalign [2017/06/08 15:52] bgraf created |
eyes:logics:radonalign [2017/06/12 18:44] (current) jschlie1 |
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====== Radonalign ====== | ====== Radonalign ====== | ||
- | THIS position should be used for a brief introduction (max 2 sentences!) of the logic, stating WHAT and WHY it is doing something. | ||
===== Usage ===== | ===== Usage ===== | ||
This logic is commonly used before determining the euler angles of class sums. Its purpose is to perform a sensitive mass centering of the class sums based on radon transformation. Usage of this algorithm improves common line finding during the consecutive reconstruction process. | This logic is commonly used before determining the euler angles of class sums. Its purpose is to perform a sensitive mass centering of the class sums based on radon transformation. Usage of this algorithm improves common line finding during the consecutive reconstruction process. | ||
- | ===== Input ===== | + | ===== I/O ===== |
- | Class sums in real space | + | |
- | + | ||
- | ===== Output ===== | + | |
- | Mass centered class sums in real space | + | |
- | + | ||
- | **written header values:** | + | |
- | * //error//: √(xVariance+ yVariance) of the given class sum, based on before and after the performed shifts, so basically 2D standard deviation. If no shifts have been performed, the error will be 0. | + | |
+ | |< 100% 30% >| | ||
+ | ^ Input ^ Description ^ | ||
+ | | Input | Class sums in real space | | ||
+ | |< 100% 30% >| | ||
+ | ^ Output ^ Description ^ | ||
+ | | Output | Mass centered class sums in real space | | ||
+ | |< 100% 30% >| | ||
+ | ^ New/Changed Header Values ^ Description ^ | ||
+ | | Error | √(xVariance+ yVariance) of the given class sum, based on before and after the performed shifts, so basically 2D standard deviation. If no shifts have been performed, the error will be 0. | | ||
===== Additional Information ===== | ===== Additional Information ===== | ||
Theory about the general theory of radon aligning can be found [[http://www.ecmjournal.org/journal/smi/pdf/smi97-13.pdf|here]] | Theory about the general theory of radon aligning can be found [[http://www.ecmjournal.org/journal/smi/pdf/smi97-13.pdf|here]] |