ausboss
5a6317467a
Core Load Image hands out a 64x64 mask of zeros when the picture has no mask painted on it, and picking a new picture after painting one gives the same. Krea 2 Inpaint Masked then stopped inside Crop For Inpaint with "Mask size (64, 64) does not match image size (1216, 832)". Crop For Inpaint, Color Match and Mask Refine (with its picture wired) now say "No mask painted: right-click your picture, choose Open in MaskEditor, paint the area, then click Save." A mask made for another picture names both sizes. LaMa Inpaint used to resize the blank stand-in and hand the picture back unchanged; it says the same now. An empty mask of the picture's own size still runs as before: Crop For Inpaint takes the whole picture and stitches it back untouched.
92 lines
4.6 KiB
Markdown
92 lines
4.6 KiB
Markdown
# Crop For Inpaint
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Cuts the masked region — plus enough surrounding context — out of an image
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so an inpainting model works at the region's native resolution instead of
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shrinking the whole frame. Pairs with **Stitch Inpaint 🆎**, which
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pastes the result back exactly where it came from. The **Extend** rows
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(`extend_*`) grow the frame itself, which is how the pair outpaints.
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## Controls
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- **image**: BHWC image or video frames to crop around the mask.
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- **mask**: White marks the area to inpaint. A multi-frame mask is unioned
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into one crop window so a whole video shares one stitcher; an empty mask
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selects the full image (and stitches back unchanged). A picture with no
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mask painted on it stops the run with "No mask painted" and how to paint
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one (core Load Image sends a small blank stand-in in that case).
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- **Context** (`context_factor`): Grows the mask bounding box
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symmetrically by this factor. The grown window is shifted back inside the
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frame first. When it's bigger than the picture, **Stay in picture**
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decides what happens.
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- **Stay in picture** (`keep_inside`, on by default): Keeps the crop inside
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the picture. When the context would reach past an edge (a big mask, or a
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small picture), the crop stops at that edge, so the model sees only real
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picture and, after a **Target** rescale, paints the new part larger and
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sharper. Off is the old behavior: the crop runs past the edge and the
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extra space is filled with stretched copies of the edge pixels. One catch
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with it on: the model sees more of what's around your mask and carries it
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on, so paint over leftovers at the mask's edge that you don't want kept.
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- **Blend** (`blend_pixels`): Feather width used *only when pasting back*:
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the paste mask is widened by this many pixels and blurred. The sampling
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mask sent to the inpainter stays hard-edged, so feathering never weakens
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what the model sees. `0` pastes with the raw mask.
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- **Multiple** (`output_multiple`): Crop and target dimensions are rounded
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up to a multiple of this so samplers accept them.
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- **target_width / target_height**: Rescale the crop to a fixed size for
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the sampler. `0` keeps the native crop size; setting only one dimension
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derives the other from the crop's aspect ratio. Explicit values here
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override `target_megapixels`.
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### Shaping the mask
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- **Grow** (`mask_grow`): Dilate the sampling mask by this many pixels
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(negative shrinks) so the inpainter repaints past the drawn edge. This
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reshapes what gets painted, unlike `blend_pixels`, which only feathers the
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paste-back.
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- **Blur** (`mask_blur`): Gaussian sigma softening the sampling mask's
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edge, for models that honor soft masks. `0` keeps the hard edge.
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- **invert_mask**: Inpaint the black area instead of the white area —
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everything outside the drawn region. Applied before growing or blurring.
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### Sizing the crop
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On the card, the **Target size, extend** fold holds these rows,
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**target_width / target_height** and the **Extend** rows.
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- **Extra context** (`context_pixels`): Flat extra context in pixels added
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around the mask box after `context_factor`'s growth.
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- **Target** (`target_megapixels`): Rescale the crop for the sampler so its
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area is about this many megapixels — `1.0` suits SDXL-class models, `0`
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keeps the native crop size. Explicit `target_width`/`target_height` wins.
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- **Rescale** (`rescale_algorithm`): Resize filter for both directions of
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the sampler round trip. `bilinear` is the safe default, `bicubic` keeps
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upscales a touch crisper, `area` suits heavy downscales, `nearest` never
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invents pixels.
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### Outpainting
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- **extend_left / extend_right / extend_up / extend_down**: Grow the frame
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itself by this many pixels on that side, before anything else. The new
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bands are replicate-filled, added to the mask, and become part of the
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stitched output — draw nothing and the extended bands alone are
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inpainted.
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## Outputs
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- **image**: The cropped region, sized for the sampler.
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- **mask**: The matching hard-edged sampling mask (soft only where
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`mask_blur` says so).
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- **stitcher**: Everything Stitch Inpaint needs to put the result back.
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## Wiring
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```text
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Load Image ── Crop For Inpaint ── image ──> LaMa Inpaint ── image ──> Stitch Inpaint
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│ └── mask ─────────────────┘ │
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└── stitcher ───────────────────────────────────────────┘
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```
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Any inpainting sampler fits between the two nodes the same way — connect
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the crop's `image` and `mask` to it, then its output to Stitch Inpaint's
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`inpainted` input.
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