Sprite Pipeline
Source image
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Image → video (green screen)
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Extract frames
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Chroma key (live preview)
Tip: increase threshold until the green disappears, then nudge smoothness up for soft edges. Spill removes green tint left on character edges.
Extract frames to preview keying
Crop
Tight bbox is computed across every frame (so the animation stays aligned). Tweak chroma above if the bbox is too loose.
Extract frames to preview crop