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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.
PNM Raw in het kort
PNM Raw
PNM survived because engineers kept needing a no-drama raster family for scripts, fixtures, codecs, and image-processing experiments where the format should not be the hard part.
Formaatvergelijking
| Kenmerk | JP2 | PNM Raw |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2000 | 1988 |
| Inventor | Joint Photographic Experts Group | Jef Poskanzer |
| Status | active | active |
| 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 | Niet 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 PNM Raw.
- JP2 is commonly used in image workflows.
When to use PNM Raw
- Your target workflow expects PNM Raw.
- Improve delivery compatibility with PNM Raw.
- PNM Raw is commonly used in image workflows.
Veelgestelde vragen
Why convert JP2 to PNM Raw?
Convert to PNM raw when you need a no-frills lossless raster format for scripts, benchmarking, image-processing experiments, or toolchains that prefer direct pixel access with minimal container complexity.
It is especially useful as an intermediate representation between automated processing steps.
What changes when converting JP2 to PNM Raw?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to PNM Raw removes vector scaling.
What should I review after converting JP2 to PNM Raw?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.