Using pydicom in MatLab
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I'm experimenting with using pydicom functions inside MatLab as an alternative to dicominfo to speed up reading of dicoms.
I import the module and read the dicom header of the file dcmFile using dcmread:
py.importlib.import_module('pydicom');
ds=py.pydicom.dcmread([dcmFile],false,true);
It works really well, but how do I efficiently extract single tags from the ds object?
As an example, in python, I would use ds[0008,103e] or ds.SeriesDescription to get the Series Description tag. But this doesn't work in Matlab for the Python FileDataset object.
The following works, but is rather cumbersome:
tmp=ds.data_element('SeriesDescription'); seriesDescription=char(tmp.value);
Is there a better way to extract tags?
Thanks,
Lars
3 comentarios
Rik
el 4 de Nov. de 2020
I assumed he would be using his same code everywhere, apparently not. This submission doesn't use the builtin tools. You might want to use the code below to create the dictionary.
%%replace this
% Load Dicom Tag Library
functionname='ReadDicomElementList.m';
functiondir=which(functionname);
functiondir=functiondir(1:end-length(functionname));
load([functiondir 'Dictonary/DicomTagDictionary.mat']);
%%with this
dict_base=ingest_dict;
dcmdic.group=zeros(size(dict_base,1),1);
dcmdic.element=zeros(size(dict_base,1),1);
for n=1:size(dict_base,1)
dcmdic.group(n)=hex2dec(dict_base{n,1});
dcmdic.element(n)=hex2dec(dict_base{n,2});
end
dcmdic.type=dict_base(:,3);
dcmdic.name=dict_base(:,4);
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