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HEVC/H.265 in het kort
HEVC/H.265
The Joint Collaborative Team on Video Coding developed HEVC through ITU-T VCEG and ISO MPEG, building on H.264 coding tools while introducing 64×64 coding tree units, advanced motion compensation, and scalable/multiview extensions.
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 | HEVC/H.265 | PGM Raw |
|---|---|---|
| File type | Video | Image |
| Extensions |
|
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| MIME type |
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| Created year | 2013 | 1988 |
| Inventor | Joint Collaborative Team on Video Coding (JCT-VC) — ITU-T and ISO/IEC | Jef Poskanzer |
| Status | active | active |
| Transparency | Niet ondersteund | Niet ondersteund |
| Animation | Niet ondersteund | Niet ondersteund |
| Primary use cases |
|
|
| Layer support | Niet ondersteund | Niet ondersteund |
| Camera raw data | Niet ondersteund | Niet ondersteund |
| HDR support | Ondersteund | Niet ondersteund |
| Streaming ready | Ondersteund | Niet ondersteund |
Wanneer je elk formaat gebruikt
When to use HEVC/H.265
- Your source file is already in HEVC/H.265.
- Preserve source expectations before exporting to PGM Raw.
- HEVC/H.265 is commonly used in video 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 HEVC/H.265 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 HEVC/H.265 to PGM Raw?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to PGM Raw removes HDR content. Moving to PGM Raw removes streaming delivery.
What should I review after converting HEVC/H.265 to PGM Raw?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.