Ethanfel/ComfyUI_UltimateSGUpscale
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b3cfd507b86d175ee5cdaf5cf730e12ef15caeb6
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4 Commits

Author SHA1 Message Date
Ethanfel
b3cfd507b8 fix: pass mode="binary" explicitly in test_values_are_binary 
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-02-25 16:38:30 +01:00
Ethanfel
d46192295b test: add gradient mode tests for GenerateSeamMask 
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-02-25 16:36:02 +01:00
Ethanfel
65253fd1bc fix: compute seam positions from actual tile grid 
Replicate SplitImageToTileList's get_grid_coords logic to find real
overlap regions between adjacent tiles. Fixes three bugs:

1. Bands were at overlap start instead of center (off by overlap/2)
2. Spurious bands generated beyond the actual tile grid
3. Edge tile seams placed at wrong position (ignoring boundary shift)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-02-25 16:05:26 +01:00
Ethanfel
2564377aa1 feat: initial ComfyUI_UltimateSGUpscale 
Recreates UltimateSDUpscale features using built-in ComfyUI nodes
(SplitImageToTileList, ImageMergeTileList) plus a small GenerateSeamMask
helper node.

- GenerateSeamMask: creates white-band mask at tile seam positions
- Workflow JSON: 22-node tiled upscale pipeline with:
  - Pass 1: model upscale + tiled img2img redraw
  - Pass 2: targeted seam fix using SetLatentNoiseMask
- Unit tests for seam mask generation

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-02-25 15:52:32 +01:00