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JPEG 2000 in het kort
JPEG 2000
JPX reflects the branch of JPEG 2000 that pushed beyond a simple still-image wrapper into more expressive composition and metadata scenarios for professional and institutional imaging.
PGM Raw in het kort
PGM Raw
The raw PGM branch reflects the practical evolution of Netpbm-style tool formats: keep the tiny header and easy parsing, but move the pixel raster into a binary form that is much more usable for real data sizes.
Formaatvergelijking
| Kenmerk | JPEG 2000 | PGM Raw |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2004 | 1988 |
| Inventor | ISO/IEC (JPEG committee) | Jef Poskanzer |
| Status | active | active |
| Transparency | Niet ondersteund | Niet ondersteund |
| Animation | Ondersteund | Niet ondersteund |
| Primary use cases |
|
|
| Layer support | Niet ondersteund | Niet ondersteund |
| Vector scaling | Niet 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 JPEG 2000
- Your source file is already in JPEG 2000.
- Preserve source expectations before exporting to PGM Raw.
- JPEG 2000 is commonly used in image workflows.
When to use PGM Raw
- Your target workflow expects PGM Raw.
- Improve delivery compatibility with PGM Raw.
- PGM Raw is commonly used in image workflows.
Veelgestelde vragen
Why convert JPEG 2000 to PGM Raw?
Convert to PGM raw when a pipeline needs direct grayscale raster data for vision research, microscopy or scientific-image preprocessing, algorithm tests, or command-line tooling where minimal format overhead matters.
It is particularly useful as an intermediate format between automated processing steps.
What changes when converting JPEG 2000 to PGM Raw?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to PGM Raw removes animation support.
What should I review after converting JPEG 2000 to PGM Raw?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.