Agent skill

image-comparison-tool

Compare images with SSIM similarity scoring, pixel difference highlighting, and side-by-side visualization.

View SKILL.md on GitHub Repository
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Install this agent skill to your Project

npx add-skill https://github.com/dkyazzentwatwa/chatgpt-skills/tree/main/image-comparison-tool

SKILL.md

Image Comparison Tool

Compare images with similarity scoring and difference visualization.

Features

  • SSIM Similarity: Structural similarity index
  • Pixel Differences: Highlight changed areas
  • Side-by-Side: Visual comparison layout
  • Diff Heatmap: Color-coded differences
  • Batch Comparison: Compare multiple image pairs
  • Threshold Detection: Find significant changes

CLI Usage

bash
python image_comparison.py --image1 before.jpg --image2 after.jpg --output diff.png

Dependencies

  • opencv-python>=4.8.0
  • scikit-image>=0.21.0
  • pillow>=10.0.0
  • numpy>=1.24.0
  • matplotlib>=3.7.0

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