Michael Onken
System Architect at Open Connections GmbH
Oldenburg, Lower Saxony, Germany
Summary
🤩
Rockstar🎓
Top SchoolMichael Onken is a System Architect and eHealth specialist with over a decade of experience designing and implementing DICOM and IHE-based healthcare communication solutions. As a long-time member of the DCMTK core team and contributor to its widely used open-source DICOM toolkit, he has driven key improvements in segmentation handling, build robustness, and image processing. He founded and runs Open Connections GmbH to provide consulting, training and software development across Europe and worldwide, and since 2024 serves as System Architect at gematik. Active as an IHE Europe Connectathon Monitor since 2006, he brings rare operational insight into interoperability testing and standards conformance. Known for C++ expertise and practical teaching, he combines deep protocol-level knowledge with hands-on engineering to turn complex eHealth standards into reliable, deployable systems.
12 years of coding experience
4 years of employment as a software developer
Dipl.Inform., Computer Science, Dipl.Inform., Computer Science at Carl von Ossietzky University of Oldenburg
English
Github Skills (5)
c-language10
develop10
dicom10
cprogramming-language10
image-processing9
Programming languages (9)
Github contributions (5)
DCMTK/dcmtk
Jan 2022 - Jan 2023
Official DCMTK Github Mirror
Role in this project:
Back-end Developer
Back-end DeveloperContributions:93 releases, 5 reviews, 58 commits in 1 year
Contributions summary:Michael primarily contributed to the core functionality of the DCMTK library, making significant enhancements to the DICOM segmentation module. They focused on increasing the maximum number of frames supported in segmentations, addressing build errors and warnings, and fixing issues related to binary segmentation concatenations. The user also refactored code, improved code formatting, and implemented fixes to address bugs related to image data processing.
dcmtkdicombsd-3-clausetoolkit
michaelonken/dcmtk
Jan 2024 - Jan 2026
Fork of DCMTK/dcmtk
Contributions:25 releases, 1 PR, 80 pushes in 2 years
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