metadata/static-embedding-v0.schema.json

{
  "model": "static-shape-v0",
  "embedding_schema_version": "0.1.0",
  "dimensions": 9227,
  "blocks": {
    "parameter_sum": {
      "offset": 0,
      "dimensions": 1
    },
    "geometric_moments": {
      "offset": 1,
      "dimensions": 10,
      "names": [
        "log1p_functional_area_um2",
        "log1p_functional_perimeter_um",
        "log_functional_bbox_aspect_ratio",
        "bitmap_occupancy_fraction",
        "bitmap_centroid_x",
        "bitmap_centroid_y",
        "bitmap_mu20",
        "bitmap_mu02",
        "bitmap_mu11",
        "bitmap_eccentricity"
      ]
    },
    "shape_bitmap": {
      "offset": 11,
      "dimensions": 9216,
      "shape": [
        96,
        96
      ],
      "flatten_order": "row-major"
    }
  },
  "shape_rasterization": {
    "resolution": [
      96,
      96
    ],
    "crop": "functional geometry bounds, aspect preserving, centered with 4-pixel margin",
    "supersampling": 4,
    "values": {
      "conductor": 1.0,
      "etch": -1.0,
      "port": 0.5,
      "background": 0.0
    },
    "excluded": "simulation-domain ground layer (1, 0)"
  },
  "normalization": {
    "parameter_mean": 341.3981965955698,
    "parameter_std": 867.4239842516337,
    "moment_mean": [
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      6.502637244988525,
      0.07048602809152436,
      0.32053440673915906,
      0.014431057708888933,
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      0.046262563887785144,
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      -0.0001547993144423334,
      0.7514288381372038
    ],
    "moment_std": [
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      1.1076182871031315,
      0.715898223432142,
      0.1292091032011584,
      0.04383759925758862,
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    ],
    "parameter": "tanh(z-score)",
    "moments": "z-score, clipped to [-5, 5], then L2 normalized",
    "shape": "signed bitmap, then L2 normalized",
    "embedding": "concatenated blocks, then L2 normalized"
  }
}