73 lines
2.8 KiB
Markdown
73 lines
2.8 KiB
Markdown
# ComfyUI-Image-Filters
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Image and matte filtering nodes for ComfyUI
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```
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latent/filters/*
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image/filters/*
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mask/filters/*
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```
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Two install batch files are provided, `install.bat` which only installs requirements, and `import_error_install.bat`, which uninstalls all versions of opencv-python before reinstalling only the correct version, opencv-contrib-python (use this if you get import errors relating to opencv or cv2, which are caused by having multiple versions or the wrong version of opencv installed.)
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## Nodes
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### Alpha Clean
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Clean up holes and near-solid areas in a matte.
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### Alpha Matte
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Takes an image and alpha or trimap, and refines the edges with closed-form matting. Optionally extracts the foreground and background colors as well. Good for cleaning up SAM segments or hand drawn masks.
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### Blur Image (Fast)
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Blurs images using opencv gaussian blur, which is >100x faster than comfy image blur. Supports larger blur radius, and separate x/y controls.
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### Blur Mask (Fast)
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Same as Blur Image (Fast) but for masks instead of images.
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### Dilate/Erode Mask
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Dilate or erode masks, with either a box or circle filter.
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### Enhance Detail
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Increase or decrease details in an image or batch of images using a guided filter (as opposed to the typical gaussian blur used by most sharpening filters.)
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### Guided Filter Alpha
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Use a guided filter to feather edges of a matte based on similar RGB colors. Works best with a strong color separation between FG and BG.
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### Remap Range
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Fits the color range of an image to a new blackpoint and whitepoint (clamped). Useful for clamping or thresholding soft mattes.
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### Clamp Outliers
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Clamps latents that are more than n standard deviations away from 0. Could help with fireflies or stray noise that disrupt the VAE decode.
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### AdaIN Latent/Image
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Normalizes latents/images to the mean and std dev of a reference input. Useful for getting rid of color shift from high denoise strength, or matching color to a reference in general.
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### Batch Normalize Latent/Image
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Normalizes each frame in a batch to the overall mean and std dev, good for removing overall brightness flickering.
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### Difference Checker
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Absolute value of the difference between inputs, with a multiplier to boost dark values for easier viewing. Alternative to the vanilla merge difference node, which is only a subtraction without the abs()
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## TODO:
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- bilateral filter image for single frame denoise
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- temporal filters for video denoise
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- deconvolution
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