'DICOM affine matrix transformation from image space to patient space in Matlab
From the nifti header its easy to get the affine matrix. However in the DICOM header there are lots of entries, but its unclear to me which entries describe the transformation of which parameter to which new space.
I have found a tutorial which is quite detailed, but I cant find the entries they refer to. Also, that tutorial is written for Python, not Matlab. It lists these header entries:
Entries needed:
Image Position (0020,0032)
Image Orientation (0020,0037)
Pixel Spacing (0028,0030)
I cant find these if I load the header with dicominfo() . Maybe they are vendor specific or maybe they are nested away somewhere in the struct. Also the Pixel Spacing they refer to consists of two values, so I think their tutorial will only work for single slice transformations. More header entries about slice thickness and slicegap would be needed. Its also not easy to calculate the correct transformation for the z coordinates.
Does anybody know how to find these entries or how to transform image coordinates to patient coordinates with other information from a DICOM header? I use Matlab.
Sources
This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.
Source: Stack Overflow
| Solution | Source |
|---|