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ComfyDeploy: How ComfyUI-Prediction-Boost works in ComfyUI?

What is ComfyUI-Prediction-Boost?

prediction boost custom node for ComfyUI

How to install it in ComfyDeploy?

Head over to the machine page

  1. Click on the "Create a new machine" button
  2. Select the Edit build steps
  3. Add a new step -> Custom Node
  4. Search for ComfyUI-Prediction-Boost and select it
  5. Close the build step dialig and then click on the "Save" button to rebuild the machine

ComfyUI-Prediction-Boost

Modify noise prediction to make image brighter on Stable Diffusion. This is a custom node for ComfyUI.

Method

We use xₜ⊥Ɛ̃(the vector component of xₜ perpendicular to Ɛ̃) to boost up the image part of xₜ by this:

Ɛ̃ ← Ɛ̃ - boost_scale * (xₜ⊥Ɛ̃)

Result

prompt: original, "the aquarium girl" |||||| | --- | --- | --- | --- | --- | | boost=0.0 | original, "the aquarium girl" (0) | original, "the aquarium girl" (1) | original, "the aquarium girl" (2) | original, "the aquarium girl" (3) | | boost=0.15 | original, "the aquarium girl" (0) | original, "the aquarium girl" (1) | original, "the aquarium girl" (2) | original, "the aquarium girl" (3) |

prompt: original, "the rainy days" |||||| | --- | --- | --- | --- | --- | | boost=0.0 | original, "the rainy days" (0) | original, "the rainy days" (1) | original, "the rainy days" (2) | original, "the rainy days" (3) | | boost=0.15 | original, "the rainy days" (0) | original, "the rainy days" (1) | original, "the rainy days" (2) | original, "the rainy days" (3) |

prompt: original, "botanical cafe" |||||| | --- | --- | --- | --- | --- | | boost=0.0 | original, "botanical cafe" (0) | original, "botanical cafe" (1) | original, "botanical cafe" (2) | original, "botanical cafe" (3) | | boost=0.15 | original, "botanical cafe" (0) | original, "botanical cafe" (1) | original, "botanical cafe" (2) | original, "botanical cafe" (3) |

prompt: original, "across the shore" |||||| | --- | --- | --- | --- | --- | | boost=0.0 | original, "across the shore" (0) | original, "across the shore" (1) | original, "across the shore" (2) | original, "across the shore" (3) | | boost=0.15 | original, "across the shore" (0) | original, "across the shore" (1) | original, "across the shore" (2) | original, "across the shore" (3) |

prompt: original, "the two of us" |||||| | --- | --- | --- | --- | --- | | boost=0.0 | original, "the two of us" (0) | original, "the two of us" (1) | original, "the two of us" (2) | original, "the two of us" (3) | | boost=0.15 | original, "the two of us" (0) | original, "the two of us" (1) | original, "the two of us" (2) | original, "the two of us" (3) |