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px-asset-extract - Extract transparent PNG assets and JSON manifest from images

Decomposes images into individual transparent PNG assets with classification and a JSON manifest using classical computer vision.

Tags

Updated: 2026-09-17
image-processingasset-extractioncomputer-visionsegmentation

Capabilities

Segment image elementsClassify extracted assetsCrop transparent PNGsGenerate JSON manifest

Typical Inputs

Source image filesRegions JSON file

Typical Outputs

Individual transparent PNG assetsManifest JSON fileVisualization image

What this skill does

  • Segment image elements
  • Classify extracted assets
  • Crop transparent PNGs
  • Generate JSON manifest
  • Filter assets by type
  • Extract precomputed regions

Inputs

  • Source image files
  • Regions JSON file

Outputs

  • Individual transparent PNG assets
  • Manifest JSON file
  • Visualization image

Requirements

  • Python
  • Pillow
  • NumPy

Source

  • Spec: SKILL.md

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