Agent SkillsZJU-REAL/Easel › image-enhance

image-enhance

GitHub

提供传统算法图片增强服务,支持放大、去噪、锐化及调色。适用于改善模糊、暗光或高噪点图片画质,非AI超分。

skills/openclaw/image-enhance/SKILL.md ZJU-REAL/Easel

Trigger Scenarios

用户要求图片放大或变清晰 需要去除图片噪点并提升锐度 调整图片对比度与饱和度以优化画质

Install

npx skills add ZJU-REAL/Easel --skill image-enhance -g -y
More Options

Non-standard path

npx skills add https://github.com/ZJU-REAL/Easel/tree/main/skills/openclaw/image-enhance -g -y

Use without installing

npx skills use ZJU-REAL/Easel@image-enhance

指定 Agent (Claude Code)

npx skills add ZJU-REAL/Easel --skill image-enhance -a claude-code -g -y

安装 repo 全部 skill

npx skills add ZJU-REAL/Easel --all -g -y

预览 repo 内 skill

npx skills add ZJU-REAL/Easel --list

SKILL.md

Frontmatter
{
    "name": "image-enhance",
    "layer": "produce",
    "description": "图片增强 \/ 放大 \/ 变清晰:高质量放大(Lanczos 2x\/4x)+ 去噪 + 锐化 + 自动对比度\/饱和度,改善偏糊、偏暗、噪点多的图片。当用户说 图片放大、图片变清晰、提高清晰度、图片增强、去噪点、锐化、图片太糊了、放大到高清、提升画质、优化图片、图片调亮调色 时使用。基于 shared\/scripts\/img_enhance.py(Pillow+OpenCV)。注意:这是传统增强非 AI 超分,凭空生成细节请用 ai-image-gen 图生图。与 image-editing 区别:那个做缩放\/裁切\/水印等常规操作,本 SKILL 专做画质提升。"
}

图片增强 / 放大

高质量放大 + 去噪 + 锐化 + 调色,改善偏糊/偏暗/有噪点的图片。走 skills/shared/scripts/img_enhance.py

⚠️ 传统确定性增强,不是 AI 超分——能改善轻中度模糊/噪点,但无法凭空造细节。 要 AI 超分/重绘用 ai-image-gen(图生图)。常规缩放/裁切/压缩/水印见 image-editing

输入

字段 必填 说明
图片 要增强的图片(没给就问)
放大倍数 默认 2 倍;1 表示只增强不放大
增强项 一键 --auto,或分别指定去噪/锐化/对比/饱和

输出(outputs/主题名/

  • 增强后的图片
  • 报告:原尺寸→新尺寸、执行了哪些增强

执行步骤

脚本路径(相对项目根):skills/shared/scripts/img_enhance.pyenhance -h 看参数)。

# 一键增强 + 2 倍放大(最常用)
python skills/shared/scripts/img_enhance.py enhance -i blurry.jpg \
  -o outputs/主题名/out.jpg --scale 2 --auto

# 噪点多的照片:去噪 + 4 倍 + 强锐化
python skills/shared/scripts/img_enhance.py enhance -i photo.jpg \
  -o outputs/主题名/out.png --scale 4 --denoise --sharpen 1.5

# 只调色不放大(偏暗/发灰的图)
python skills/shared/scripts/img_enhance.py enhance -i img.jpg \
  -o outputs/主题名/out.jpg --scale 1 --auto

调参

  • 还是糊:本工具无法造细节,改用 ai-image-gen 图生图超分。
  • 锐化过头有噪点/白边:降低 --sharpen(默认 auto=1.0)。
  • 颜色过饱和--saturation 1.0 关闭增色,或调低。
  • 噪点被放大:加 --denoise(放大前先去噪)。

规则

  1. 先设定预期:这是"改善"不是"重绘",糊得厉害的图别承诺变高清。
  2. 有噪点务必 --denoise(放大前执行,避免噪点被放大)。
  3. 放大统一用 Lanczos 高质量重采样;倍数别盲目开 4x(文件暴涨且无新细节)。
  4. 产物统一进 outputs/主题名/

参考来源

Lanczos 重采样 + UnsharpMask 锐化 + OpenCV fastNlMeans 去噪 + 自动对比度,是无 GPU 的传统 画质提升组合。真正的超分辨率(Real-ESRGAN 等)需 GPU/模型,此处以 ai-image-gen 图生图替代。

Version History

  • 69c5928 Current 2026-09-08 17:36

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