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quqixun / CTReconstruction

Matlab code for: 1. reconstructing CT image by applying back projection, filtered back projection and convolution back projection; 2. maximum intensity projection.
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Input Range #2

Closed dbltv closed 5 years ago

dbltv commented 5 years ago

In the file filtered_back_projection.m in which range should input be? I have the following error: Index exceeds matrix dimensions.

Error in filtered_back_projection (line 93) img_fbp = img_fbp + interp1(1:gl, gffi(:, t), pos);

quqixun commented 5 years ago

I did not get your point.

The only needed input is the sinogram. https://github.com/quqixun/CTReconstruction/blob/master/BackProjection/CT_reconstruction.m#L49

The data I used can be found here. https://github.com/quqixun/MyChalmerse/tree/master/SSY186%20-%20Diagnostic%20Imaging/CTProject/code

They are data.nat and data2.mat.