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JPS at a glance
JPS
JPS belongs to the period when consumer 3D displays, cameras, and media players experimented with stereo-photo conventions built on ordinary JPEG assets instead of inventing entirely new everyday imaging stacks.
PGX at a glance
PGX
These formats persist in engineering, compression research, and conversion-tool contexts where simple sample storage or adjunct technical representation is useful.
Format comparison
| Feature | JPS | PGX |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2000 | 2000 |
| Inventor | JPEG Stereoscopic community | ISO/IEC (JPEG 2000 committee) |
| Status | active | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Supported | Not supported |
| Vector scaling | Supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Supported | Not supported |
When to use each format
When to use JPS
- Your source file is already in JPS.
- Preserve source expectations before exporting to PGX.
- JPS is commonly used in image workflows.
When to use PGX
- Your target workflow expects PGX.
- Improve delivery compatibility with PGX.
- PGX is commonly used in image workflows.
FAQs
Why convert JPS to PGX?
Convert to PGX when a technical imaging or codec workflow expects grayscale component data in a simple specialist format.
It is useful for research, testing, and standards-oriented image processing.
What changes when converting JPS to PGX?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to PGX removes layer support. Moving to PGX removes vector scaling. Moving to PGX removes streaming delivery.
What should I review after converting JPS to PGX?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.