CivArchive
    Character Upscaler & Auto Detailer (Face, Legs, Feet) - v1.1
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    V1.1

    Input a single full-body image, auto-upscale it to high resolution(2MP), and generate a multi-view showcase grid focusing on face, legs, and feet details seamlessly, good for Character LoRA dataset preparation.

    • Fully replaced SAM3 Segmentation (RMBG) with comfyui-easy-sam3, resolving the OOM issue caused by the RMBG SAM3 failing to clear VRAM.

    • Added a toggleable Krea 2 refine step into every original Upscale step; Krea 2 enhances skin realism.

    Note: There is nothing wrong with the quality of the RMBG custom node itself, and SAM3 Segmentation (RMBG) does provide a model unloading option. However, when the workflow requires heavy and frequent use of it to generate masks, the model unloading speed of RMBG's SAM3 Segmentation is too slow, which increases the total workflow execution time.

    Models

    📂 ComfyUI/
    ├── 📂 models/
    │   ├── 📂 checkpoints/

    Detection Models

    📂 ComfyUI/
    ├── 📂 models/
    │   ├── 📂 ultralytics/
    📂 ComfyUI/
    ├── 📂 models/
    │   ├── 📂 sam3/

    LoRA

    V1.0

    ⚠️ VRAM Notice: SAM3 Segmentation (RMBG) in the RMBG custom node currently causes VRAM OOM issues.

    Please use either comfyui-easy-sam3 (with sam3.pt) or ComfyUI native SAM3 Detect (with SAM3.1) instead. Alternatively, I'll release a fixed version soon.The new version will use Krea2 for more realistic skin texture.

    Input a single full-body image, auto-upscale it to high resolution(2MP), and generate a multi-view showcase grid focusing on face, legs, and feet details seamlessly, good for Character LoRA dataset preparation.

    Models

    📂 ComfyUI/
    ├── 📂 models/
    │   ├── 📂 checkpoints/

    Detection Models

    📂 ComfyUI/
    ├── 📂 models/
    │   ├── 📂 ultralytics/
    📂 ComfyUI/
    ├── 📂 models/
    │   ├── 📂 sam3/

    LoRA

    Description

    • Fully replaced SAM3 Segmentation (RMBG) with comfyui-easy-sam3, resolving the OOM issue caused by the RMBG SAM3 failing to clear VRAM.

    • Added a toggleable Krea 2 refine step into every original Upscale step; Krea 2 enhances skin realism.

    Models

    Detection Models

    📂 ComfyUI/
    ├── 📂 models/
    │   ├── 📂 ultralytics/
    📂 ComfyUI/
    ├── 📂 models/
    │   ├── 📂 sam3/

    LoRA

    FAQ

    Comments (6)

    beautifulmur889Oct 2, 2026
    CivitAI

    v1.1. Bro, Can you add more detail for the hands?:) I haven’t found any good or even decent ways to fix hands. I suggest you make a Subgraph`s. Not just for organization, but to eliminate the performance issues with the ComfyUI interface. https://drive.google.com/file/d/1nLOigKPBuaD0ZK9AvH-gsfdG7lZ9yvXr/view?usp=drive_link

    rogerpie
    Author
    Oct 2, 2026

    Thanks for your feedback. Hand detail fixing is definitely a high-frequency pain point right now.

    1.Currently, my idea for improvement is using a YOLOv8 hand-related Detailer, or using SAM3 for step-by-step mask cropping to get the hands, then Inpainting them using a method similar to the feet approach and pasting them back into the original image.

    2.As for Subgraphs, the reason I don't use them is that frequent ComfyUI updates have broken many of my previous workflows. Additionally, keeping the nodes out of subgraph helps new users better follow and understand the underlying logic.

    I will improve these two points when I have time.

    rogerpie
    Author
    Oct 2, 2026

    Also, Google Drive link requires permission to access.

    beautifulmur889Oct 2, 2026

    @rogerpie I’ve fixed it; I think it won’t be possible to achieve a high‑quality result without ControlNet and OpenPose. That is, it’s possible to determine that there aren’t five fingers but four, but the neural network can’t correctly render the hand and its pose - a skeleton is needed.

    rogerpie
    Author
    Oct 2, 2026

    @beautifulmur889 Have you tried extracting my face upscaling method from the workflow? Get the hand mask, and then you can try inpainting it. Qwen1 performs well at restoring blurry images into artifact-free images, Klein 9B is suitable for upscaling, Krea 2 is good for enhancing skin details, and finally pasting it back to the original image.

    rogerpie
    Author
    Oct 2, 2026

    @beautifulmur889 Although Qwen1 is relatively slow, it's the absolute best at restoring blurry or artifact-heavy images into clean, high-clarity ones—all while sticking as closely as possible to the original image. 

    Workflows
    Krea 2

    Details

    Downloads
    148
    Platform
    CivitAI
    Platform Status
    Available
    Created
    10/1/2026
    Updated
    10/3/2026
    Deleted
    -

    Files

    characterUpscalerAuto_v11.json

    Mirrors

    characterUpscalerAuto_v11.json

    Mirrors

    characterUpscalerAuto_v11.json

    Mirrors

    characterUpscalerAuto_v11.json

    Mirrors