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IIQ at a glance
IIQ
Phase One positioned IIQ around its medium-format and digital-back workflows, which is why IIQ appears in a very different professional context from ordinary consumer camera raws.
PFM Raw at a glance
PFM Raw
PFM persists from the era when HDR imaging, rendering research, and tone-mapping workflows needed straightforward file carriers for floating-point image data long before mainstream consumer HDR delivery formats matured.
Format comparison
| Feature | IIQ | PFM Raw |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2007 | 1998 |
| Inventor | Phase One | PBRT / Paul Debevec community |
| Status | proprietary | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Supported | Not supported |
| HDR support | Not supported | Supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use IIQ
- Your source file is already in IIQ.
- Preserve source expectations before exporting to PFM Raw.
- IIQ is commonly used in image workflows.
When to use PFM Raw
- Your target workflow expects PFM Raw.
- Improve delivery compatibility with PFM Raw.
- PFM Raw is commonly used in image workflows.
FAQs
Why convert IIQ to PFM Raw?
Convert to PFM raw when HDR rendering, tone-mapping, or scientific-imaging workflows need floating-point pixel values to survive intact between tools.
It is especially useful as an intermediate format for graphics research, physically based rendering, and analytical image-processing pipelines that operate on scene-referred data.
What changes when converting IIQ to PFM Raw?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to PFM Raw removes camera raw data. Moving to PFM Raw adds HDR content.
What should I review after converting IIQ to PFM Raw?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.