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Last Post 14 Mar 2022 05:08 PM by  Ben Castellani
QUERY_DICOM return zero for dicom files
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Ellen Wasbø



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21 Dec 2021 01:09 AM
    I have some dicom files not being recognized as dicom by IDL, but recognized by other dicom readers/viewers. One example is from the newest softwareupdate for an x-ray vendor export raw images in a dicom format where QUERY_DICOM return zero. The file can be read by other software including MicroDicom and ImageJ so the vender claim that there is nothing wrong with the dicom files. Another example: Some processed images, both for old and new gamma camera, return zero on QUERY_DICOM. The files can be read by ImageJ. And a third example: DICOMDIR - a file often accompanying dicom files causes crash when applying QUERY_DICOM. I prevent the crash by checking the filename and avoiding QUERY_DICOM on it.


    Now I have this workaround opening the dicom images in ImageJ, exporting image and header as txt and reading those txt files in IDL. This is quite cumbersome and I hope to read these dicom files in IDL as they are recognized by other softwares.

    I can provide files for testing/troubleshooting.

    Ben Castellani



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    14 Mar 2022 05:08 PM
    If you do not have an IDL DICOM module license, you will be utilizing the IDLffDicom object to inspect and read the file which has a more limited DICOM compatibility compared to IDLffDicomEx. Did you verify that your .dcm file meets all of the following file/syntax requirements for IDLffDICOM: https://www.l3harrisgeospatial.com/docs/idlffdicom.html
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