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JP2 in het kort
JP2
JPEG 2000 arrived as a major standards effort to improve on classic JPEG, but its practical adoption concentrated in specialist domains rather than in the universal browser-and-camera role held by JPEG.
DCR in het kort
DCR
Digital photography fragmented into many manufacturer-specific raw formats because camera makers optimized for their own sensors, metadata, and software ecosystems rather than for one shared public raw standard.
Formaatvergelijking
| Kenmerk | JP2 | DCR |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2000 | 2004 |
| Inventor | Joint Photographic Experts Group | Kodak |
| Status | active | proprietary |
| Transparency | Niet ondersteund | Niet ondersteund |
| Animation | Niet ondersteund | Niet ondersteund |
| Primary use cases |
|
|
| Layer support | Niet ondersteund | Niet ondersteund |
| Vector scaling | Ondersteund | Niet ondersteund |
| Camera raw data | Niet ondersteund | Ondersteund |
| HDR support | Niet ondersteund | Niet ondersteund |
| Streaming ready | Niet ondersteund | Niet ondersteund |
Wanneer je elk formaat gebruikt
When to use JP2
- Your source file is already in JP2.
- Preserve source expectations before exporting to DCR.
- JP2 is commonly used in image workflows.
When to use DCR
- Your target workflow expects DCR.
- Improve delivery compatibility with DCR.
- DCR is commonly used in image workflows.
Veelgestelde vragen
Why convert JP2 to DCR?
Convert to DCR when preserving compatibility with an older camera-specific raw workflow or recovering legacy photographic originals.
In current practice it is mainly an archival and migration target.
What changes when converting JP2 to DCR?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to DCR removes vector scaling. Moving to DCR adds camera raw data.
What should I review after converting JP2 to DCR?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.