A user on Reddit has identified a recurring 2-pixel grid artifact in images generated by the Krea2 model, particularly when using the Qwen Image VAE or Wan 2.1 VAE. This artifact can become more pronounced with post-processing techniques like sharpening. The user has developed a GLSL node for ComfyUI that acts as a notch filter to remove this grid pattern by detecting and subtracting brightness variations, allowing for cleaner image output. AI
IMPACT Addresses a specific visual artifact in AI image generation, improving output quality for users of Krea2 and related VAEs.
RANK_REASON User-developed fix for a specific artifact in an image generation tool.
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