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| author | Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl> | 2018-01-09 15:57:30 +0100 |
|---|---|---|
| committer | Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl> | 2018-01-09 15:57:30 +0100 |
| commit | 8db3ad4cfd4273e9623f5e2824bd3c7e3a71c641 (patch) | |
| tree | 0a5fd26004481ff68bb3a84d2564e56bec4dff5f /samples | |
| parent | b3393ec49bbe2ffc3eb3b6c7512bb12b8b8d2e52 (diff) | |
| download | astra-8db3ad4cfd4273e9623f5e2824bd3c7e3a71c641.tar.gz astra-8db3ad4cfd4273e9623f5e2824bd3c7e3a71c641.tar.bz2 astra-8db3ad4cfd4273e9623f5e2824bd3c7e3a71c641.tar.xz astra-8db3ad4cfd4273e9623f5e2824bd3c7e3a71c641.zip | |
Improve postalignment function
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/matlab/s022_fbp_cor.m | 5 | ||||
| -rw-r--r-- | samples/python/s022_fbp_cor.py | 6 |
2 files changed, 2 insertions, 9 deletions
diff --git a/samples/matlab/s022_fbp_cor.m b/samples/matlab/s022_fbp_cor.m index b33d5ce..8521d7e 100644 --- a/samples/matlab/s022_fbp_cor.m +++ b/samples/matlab/s022_fbp_cor.m @@ -14,10 +14,7 @@ vol_geom = astra_create_vol_geom(256, 256); proj_geom = astra_create_proj_geom('parallel', 1.0, 256, linspace2(0,pi,180)); % Projection geometry with shifted center of rotation -% We create this by shifting the detector center V(:,3:4) by a multiple of the detector -% orientation V(:,5:6). -proj_geom_cor = astra_geom_2vec(proj_geom); -proj_geom_cor.Vectors(:,3:4) = proj_geom_cor.Vectors(:,3:4) + cor_shift * proj_geom_cor.Vectors(:,5:6); +proj_geom_cor = astra_geom_postalignment(proj_geom, cor_shift); % As before, create a sinogram from a phantom, using the shifted center of rotation P = phantom(256); diff --git a/samples/python/s022_fbp_cor.py b/samples/python/s022_fbp_cor.py index 2d811c0..bb110e5 100644 --- a/samples/python/s022_fbp_cor.py +++ b/samples/python/s022_fbp_cor.py @@ -32,11 +32,7 @@ vol_geom = astra.create_vol_geom(256, 256) proj_geom = astra.create_proj_geom('parallel', 1.0, 256, np.linspace(0,np.pi,180,False)) # Projection geometry with shifted center of rotation -# We create this by shifting the detector center V[:,2:4] by a multiple of the detector -# orientation V[:,4:6]. -proj_geom_cor = astra.geom_2vec(proj_geom) -V = proj_geom_cor['Vectors'] -V[:,2:4] = V[:,2:4] + cor_shift * V[:,4:6] +proj_geom_cor = astra.geom_postalignment(proj_geom, cor_shift) # As before, create a sinogram from a phantom, using the shifted center of rotation import scipy.io |