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CR3 at a glance
CR3
CR3 marks Canon's move into a newer raw-file generation as mirrorless and later-camera workflows evolved beyond the long CR2 era.
DCM at a glance
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.
Format comparison
| Feature | CR3 | DCM |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
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| Created year | 2018 | 1993 |
| Inventor | Canon | ACR-NEMA / DICOM Standards Committee |
| Status | proprietary | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use CR3
- Your source file is already in CR3.
- Preserve source expectations before exporting to DCM.
- CR3 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.
FAQs
Why convert CR3 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 CR3 to DCM?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to DCM removes camera raw data.
What should I review after converting CR3 to DCM?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.