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PPM in het kort
PPM
PBM, PGM, PPM, PNM, and later PAM come from the tool-centric tradition of keeping image interchange formats easy to parse, script, and transform.
DCM in het kort
DCM
DICOM grew out of the need to exchange imaging data across scanners, archives, and clinical systems without throwing away the surrounding context that makes a medical image usable in practice.
Formaatvergelijking
| Kenmerk | PPM | DCM |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1988 | 1993 |
| Inventor | Jef Poskanzer / Netpbm lineage | ACR-NEMA / DICOM Standards Committee |
| Status | active | active |
| Transparency | Niet ondersteund | Niet ondersteund |
| Animation | Niet ondersteund | Niet ondersteund |
| Primary use cases |
|
|
| Layer support | Niet ondersteund | Niet ondersteund |
| Vector scaling | Niet ondersteund | Niet ondersteund |
| Camera raw data | Niet ondersteund | Niet ondersteund |
| HDR support | Niet ondersteund | Niet ondersteund |
| Streaming ready | Niet ondersteund | Niet ondersteund |
Wanneer je elk formaat gebruikt
When to use PPM
- Your source file is already in PPM.
- Preserve source expectations before exporting to DCM.
- PPM is commonly used in image workflows.
When to use DCM
- Your target workflow expects DCM.
- Improve delivery compatibility with DCM.
- DCM is commonly used in image workflows.
Veelgestelde vragen
Why convert PPM to DCM?
Convert to DCM when the output must remain part of a medical-imaging workflow, preserving both image data and associated study metadata.
It is the correct target for diagnostic, archival, and interoperable clinical imaging systems.
What changes when converting PPM to DCM?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting PPM to DCM?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.