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Unlock the Art of Photo-to-Sketch Conversion: Expert Workflow Revealed

CN
ComfyUI.org
2025-03-26 12:03:32

1. Workflow Overview

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A professional photo-to-sketch converter featuring:

  • Dual-ControlNet pipeline

  • IPAdapter style transfer

  • Multi-LoRA blending

  • Advanced color grading

2. Core Models

Model

Purpose

DreamShaper XL

Base model

mistoLine

Sketch control

ip-adapter-plus

Style transfer

3. Critical Components

Key Nodes:

  1. Dual-ControlNet:

    • Canny: 1280px preprocessing

    • Depth: 1536px preprocessing

  2. IPAdapterMS:

    • Optimal: strength=0.65

    • Tip: Focus on layer6-7

  3. Post-Processing:

    • Smart sharpen: radius=7

    • Hue matching: similarity=0.52

4. Processing Flow

graph LR
    A[Input] --> B[Preprocess]
    B --> C[Generate]
    C --> D[Color Grade]

5. I/O Specifications

Input:

{
    "image": "Portrait photo",
    "style_prompt": "Charcoal sketch style" 
}

Output:

  • Auto-saved with metadata

  • Dated folder organization

6. Pro Tips

  1. For best results:

    • Use seed=115819151177971 as base

    • Keep CFG scale=2

  2. Troubleshooting:

    • Blurry output β†’ Increase ControlNet weights

    • Over-stylized β†’ Reduce IPAdapter strength

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