Try Topaz Hyperion HDR in the Workbench
Run this model interactively, tune parameters, and compare outputs.
topazlabs-hyperion-hdr-video
Topaz Hyperion is an HDR video model that converts SDR footage into HDR with selectable transfer functions (PQ or HLG) and tunable exposure, saturation, and highlight handling.
Pair with ProRes output for professional editing workflows; H265 output is also supported.
Example request
- Sync
- Async
- Async with SSE
This blocks until the video is ready (typically 5-15 minutes). Prefer Async or Async with SSE for anything beyond quick experimentation.See the video generation reference for more details.
- Minimal
- All parameters
Fetch model details
The models endpoint returns the full model object, including itsjson_request_schema.
Request parameters
Required parameters
| Field | Type | Default | Description |
|---|---|---|---|
input_video | string | — | Video file to convert to HDR (URL or file path). Format: uri. |
Optional parameters
| Field | Type | Default | Description |
|---|---|---|---|
transfer_function | string | "hlg" | HDR transfer function. HLG is broadcast-friendly; PQ targets HDR10 mastering. One of: pq, hlg. |
adjust_exposure | number | 0.5 | Exposure adjustment applied during HDR conversion. Range: 0 – 1. |
boost_saturation | number | 0.5 | Saturation boost applied during HDR conversion. Range: 0 – 1. |
highlight_threshold | number | 0.65 | Threshold above which highlights are expanded into HDR range. Range: 0.45 – 0.85. |
output_encoder | string | "H265" | Video encoder for the rendered output. ProRes is recommended for pro editing workflows. One of: H265, ProRes. |
output_profile | string | "422 HQ" | ProRes quality profile. One of: 422 Proxy, 422 LT, 422 Std, 422 HQ. |