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gemini-watermark-remove

v1.0.0

Published

移除 Google Gemini AI 生成圖片中的浮水印

Readme

Gemini Watermark Remove Skill

License: MIT npm version

移除 Google Gemini AI 生成圖片中的浮水印。使用逆向 Alpha 混合演算法精確還原被覆蓋的像素。

✨ 功能

  • 🚫 自動移除 Gemini 浮水印
  • 🔒 完全本地處理,保護隱私
  • ⚡ 支援批次處理
  • 🎯 自動偵測圖片尺寸並選擇適當遮罩

📦 安裝與使用

方法一:npx(推薦,無需安裝)

npx gemini-watermark-remove <圖片路徑>

方法二:全域安裝

npm install -g gemini-watermark-remove
gemini-watermark-remove <圖片路徑>

方法三:從原始碼

git clone https://github.com/kevintsai1202/GeminiWatermarkRemoveSkill.git
cd GeminiWatermarkRemoveSkill
npm install
node scripts/remove-watermark.js <圖片路徑>

🚀 使用範例

# 基本用法
npx gemini-watermark-remove image.png

# 指定輸出路徑
npx gemini-watermark-remove image.png --output clean.png

# 強制使用大尺寸遮罩
npx gemini-watermark-remove image.png --mode large

# 調整 Alpha 增益值
npx gemini-watermark-remove image.png --gain 1.5

參數說明

| 參數 | 說明 | 預設值 | |------|------|--------| | -o, --output | 輸出檔案路徑 | {輸入檔名}_clean.{副檔名} | | -m, --mode | 遮罩模式: auto, small, large | auto | | -g, --gain | Alpha 增益值 (1.0-3.0) | 1.0 |

🛠️ 技術原理

使用逆向 Alpha 混合演算法:

原始像素 = (當前像素 - α × 浮水印顏色) / (1 - α)

根據圖片尺寸自動選擇:

  • ≤1024px: 使用 48×48 遮罩
  • >1024px: 使用 96×96 遮罩

🙏 致謝

基於 GeminiWatermarkRemove 專案。

📄 授權

MIT License