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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.
DJVU in het kort
DJVU
DjVu became known in digitization and scanned-document communities as an alternative to PDF for certain image-centric archival and distribution tasks.
Formaatvergelijking
| Kenmerk | ERF | DJVU |
|---|---|---|
| File type | Image | Document |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2004 | 1998 |
| Inventor | Epson | AT&T Labs |
| Status | proprietary | active |
| Primary use cases |
|
|
| Vector scaling | Niet ondersteund | Niet ondersteund |
Wanneer je elk formaat gebruikt
When to use ERF
- Your source file is already in ERF.
- Preserve source expectations before exporting to DJVU.
- ERF is commonly used in image workflows.
When to use DJVU
- Your target workflow expects DJVU.
- Improve delivery compatibility with DJVU.
- DJVU is commonly used in document workflows.
Veelgestelde vragen
Why convert ERF to DJVU?
Convert to DjVu when the source is a scanned document set and the goal is a compact, page-faithful file for archival reading or repository distribution.
It is a good target for books, historical periodicals, manuals, and other materials that are fundamentally page images rather than editable text documents.
If broad end-user compatibility is the priority, PDF is usually the easier delivery format.
What changes when converting ERF to DJVU?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting ERF to DJVU?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.