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JPF in het kort
JPF
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.
ERF in het kort
ERF
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 | JPF | ERF |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2000 | 2004 |
| Inventor | Joint Photographic Experts Group | Epson |
| 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 JPF
- Your source file is already in JPF.
- Preserve source expectations before exporting to ERF.
- JPF is commonly used in image workflows.
When to use ERF
- Your target workflow expects ERF.
- Improve delivery compatibility with ERF.
- ERF is commonly used in image workflows.
Veelgestelde vragen
Why convert JPF to ERF?
Convert to ERF when preserving or restoring Epson-origin raw captures in an archive or compatibility workflow.
In most contemporary pipelines, it is a legacy source format to retain or migrate.
What changes when converting JPF to ERF?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to ERF removes vector scaling. Moving to ERF adds camera raw data.
What should I review after converting JPF to ERF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.