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Backprojection of raw CT data
used technique
C++
Matlab
year
2009
description:
Implementation of backprojection of raw CT data in C++ with ITK.
Generation of the raw CT dataset with the Matlab radon() function
Unfiltered backprojection leads to smearing of the reconstructed image
Example code:
bp2d.h
bp2d.cpp
CMakeLists.txt
By using a Shepp-Logan filter image quality can be improved dramatically. The smearing effect is reduced and anatomical structures can be identified now. The fourth image shows filtered backprojection with used Shepp-Logan filter.
SheppLoganFilter.h
SheppLoganFilter.txx
Loading of the backprojection-animation (third image) might take long for slow internet connection due to 4.5 MB filesize.
keywords:
filtered backprojection, radon transform, computed tomography, CT, Shepp-Logan filter
screenshot(s)
project 3 of 17
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