(Python) Process DICOM tags and performs substitutions -- part of the pf* family.
- pfdicom_tagExtract generates reports in various formats based on DICOM tags
pfdicom_tagExtract extracts the header information of DICOM files and echoes to stdout as well as to an output report-type file – this can be a raw output, a json-type output, or html-type output.
The script accepts an <inputDir>, and then from this point an os.walk is performed to extract all the subdirs. Each subdir is examined for DICOM files (in the simplest sense by a file extension mapping) and either the head, tail, middle (or other indexed) file is examined for its tag information.
Optionally, the tag list can be constrained either by passing a <tagFile> containing a line-by-line list of tags to query, or by passing a comma separated list of tags directly.
Finally, an image conversion can also be performed (and embedded within the output html file, if an html conversion is specified).
The following dependencies are installed on your host system/python3 virtual env (they will also be automatically installed if pulled from pypi):
- pfmisc (various misc modules and classes for the pf* family of objects)
- pftree (create a dictionary representation of a filesystem hierarchy)
- pfidcom (handle underlying DICOM file reading)
- matplotlib (handle saving / conversion to image formats for html reports)
The best method of installing this script and all of its dependencies is by fetching it from PyPI
pip3 install pfdciom_tagExtract
Command line arguments
-I|--inputDir <inputDir> Input DICOM directory to examine. By default, the first file in this directory is examined for its tag information. There is an implicit assumption that each <inputDir> contains a single DICOM series. -i|--inputFile <inputFile> An optional <inputFile> specified relative to the <inputDir>. If specified, then do not perform a directory walk, but convert only this file. -e|--extension <DICOMextension> An optional extension to filter the DICOM files of interest from the <inputDir>. [-O|--outputDir <outputDir>] The directory to contain all output files. NOTE: If neither -F nor -T are specified, a '-r raw' is assumed. -F|--tagFile <tagFile> Read the tags, one-per-line in <tagFile>, and print the corresponding tag information in the DICOM <inputFile>. -T|--tagList <tagList> Read the list of comma-separated tags in <tagList>, and print the corresponding tag information parsed from the DICOM <inputFile>. -m|--image <[<index>:]imageFile> If specified, also convert the <inputFile> to <imageFile>. If the name is preceded by an index and colon, then convert this indexed file in the particular <inputDir>. -o|--outputFileStem <outputFileStem> The output file stem to store data. This should *not* have a file extension, or rather, any "." in the name are considered part of the stem and are *not* considered extensions. [-t|--outputFileType <outputFileType>] A comma specified list of output types. These can be: o <type> <ext> <desc> o raw -raw.txt the raw internal dcm structure to string o json .json a json representation o html .html an html representation with optional image o dict -dict.txt a python dictionary o col -col.txt a two-column text representation (tab sep) o csv .csv a csv representation [-p|--printToScreen] If specified, will print tags to screen. [-x|--man] Show full help. [-y|--synopsis] Show brief help. -v|--verbosity <level> Set the app verbosity level. -1: No internal output. 0: All internal output.
Run on a target tree and output some detail and stats
pfdicom -I /var/www/html/normative \ -e dcm \ -O /var/www/html/tag2 \ -t raw,json,html,dict,col,csv \ -o %PatientAge-%_md5.6_PatientID \ -m m:%PatientAge-%_md5.6_PatientID.jpg
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