Upscale
2x (Lanczos; ML when `ml` is on).
| Node | Upscale |
|---|---|
| Menu | Transform › Upscale |
| Names in each format | |
| .oink comp (JSON) | "type": "OC_N_upscale" |
| .nk script | Upscale (how .nk import works) |
| Python | nuke.createNode("Upscale") |
| Assistant (MCP) | create_node(type="Upscale") |
| Tab search | upscale |
Inputs and outputs
| Port | Name | Type |
|---|---|---|
| input 0 | Image | image |
| output 0 | Image | image |
Knobs
Panel tab Upscale, in panel order.
| Knob | Label | Type | Default | Range / values | .nk knob | Description |
|---|---|---|---|---|---|---|
ml | ML (AI worker) | bool | false | ml | Run the Real-ESRGAN model (needs the AI worker / GPU lease) |
Other knobs (Python, .nk and the assistant; not on the panel)
| Knob | Label | Type | Default | Range / values | .nk knob | Description |
|---|---|---|---|---|---|---|
gl_color | Viewer Controls Color | float ×3 | 0, 0, 0 | 0 to 1 | ||
postage_stamp_frame | Static Frame | int | 1 | -2147483648 to 2147483647 | ||
lifetimeStart | Lifetime Start | int | 0 | -2147483648 to 2147483647 | ||
lifetimeEnd | Lifetime End | int | 100 | -2147483648 to 2147483647 | ||
useLifetime | Use Lifetime | boolean | false | |||
cached | Cached | boolean | false | |||
bookmark | Bookmark | boolean | false | |||
dope_sheet | Dope Sheet | boolean | false | |||
clone_group | Clone Group | string | ||||
link_source | Link Source | string | ||||
link_overrides | Link Overrides | string | ||||
split_views | Split Views | string | ||||
model | Model | enum | AUTO | SHOT, REALESRGAN, SEEDVR2, AUTO | ||
scale | Scale | enum | 2 | 2, 4 | ||
tile | Tile | int | 512 | 0 to 8192 | Tile size in input pixels (0 = whole frame) | |
temporal_window | Temporal Window | int | 5 | 1 to 21 | Frames seen together by video models (4n+1) | |
detail | Detail | float | 1 | 0 to 1 | 0 = plain Lanczos (fidelity), 1 = full model detail | |
preserve_highlights | Preserve Highlights | boolean | true | Model sees 0..1 only; values above 1 and below 0 ride along as a Lanczos residual | ||
encoding | Encoding | enum | REINHARD | REINHARD, LOG, SRGB | ||
exposure | Exposure | float | 0 | -6 to 6 | Stops before encoding (fixed per shot), removed after | |
peak | Peak | float | 16 | 1 to 65504 | Top of the encoded range when highlights are not preserved | |
color_correction | Color Correction | enum | LAB | LAB, WAVELET, NONE | ||
seed | Seed | int | 42 | 0 to 2147483647 | SeedVR2 noise seed (fixed: the same seed gives the same pixels, S15) |