Automated analysis of the Normi 13 phantom

(c) Santeri Rytky, Oulu University Hospital, 2024

Background

Diagnostic X-ray imaging requires maintaining sufficient image quality during the lifetime of the X-ray device. To facilitate objective and automated quality assurance protocols, analysis method was developed for the Normi 13 -phantom.

Installation

• Anaconda installation

git clone https://github.com/MIPT-Oulu/radiography-qa.git
cd radiography-qa

Install the repository requirements

pip install -r requirements.txt

In case you want to use the analysis codes as a package in another project, install using

pip install -e .

or

pip install git+https://github.com/MIPT-Oulu/radiography-qa.git

Usage

Populate the input arguments from analysis_script.py. Run the script for an example of the analysis.

Features

• Automated Phantom edge and orientation detection
• Uniformity analysis from 5 ROIs
• Linearity analysis from 7 copper wedges (0-2.30 mmCu)
• Low-contrast detectability analysis from 6 ROIs (0.8-5.6 %)
• Spatial resolution analysis (1.6-5.0 LP/mm)

License

This software is distributed under the MIT License.