How to implement gray control

#3
by makisekurisu-jp - opened

Hello, does the 'gray' control in your model allow a colorless image to be recolored? However, there is no 'gray' option in the 'SetUnionControlNetType' node. What should I do? Also, should I choose 'ColorPreprocessor' as the preprocessor?
If it's convenient, I would appreciate it if you could add a workflow example. Thanks~

11.png

If possible, I would also appreciate it if you could take a look at this project. It maintains consistency in image recoloring. I'm wondering if you could implement it in ComfyUI?
https://github.com/Zhuang2002/Cobra

Set union type is not necessary, you can directly send an gray control image to apply controlnet node

Set union type is not necessary, you can directly send an gray control image to apply controlnet node

No need to set union type for all inputs or just grayscale?

ComfyUI_temp_visan_00005_.png
In the first step of sampling, the colors align with the reference image, but they gradually deviate from the reference image afterward.

Shakker Labs org

increase control_guidance_end will help keep details

increase control_guidance_end will help keep details

I hope your team can take a look at my workflow. As mentioned above, in the first step of sampling, the latent preview shows that the image is generated according to the reference colors, but by the second step, it quickly deviates from the reference image's colors. I have set both the strength and end time of ControlNet to 1, but this does not resolve the issue. I would greatly appreciate any suggestions you can provide.

https://openart.ai/workflows/HD7CYxfQXhleAtpXLHlV

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