{
  "scope": "Decoded luminance interpreted as a height field not recovered geometry or AI depth",
  "width": 512,
  "height": 512,
  "strength": 12,
  "convention": "opengl",
  "kernel": "Sobel divided by 8 with clamped edges",
  "alphaTreatment": "Transparent source pixels blended toward mid height",
  "encoding": "8 bit RGB tangent normal with opaque alpha",
  "greenRule": "DirectX bytes equal 255 minus OpenGL green bytes",
  "physicalUnits": false
}