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{
  "sample_id": 331,
  "geometry_type": "flat",
  "geometry_parameters": {
    "type": "flat"
  },
  "rq_target": 0.00289676199120609,
  "rq_actual": 0.0028967619912060897,
  "ra_actual": 0.0023286911933325634,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "structural_degradation",
  "method": "hybrid",
  "grid_resolution": [
    392,
    198
  ],
  "physical_dimensions": [
    0.15143748696128884,
    0.036469330563567784
  ],
  "curvature_statistics": {
    "mean_slope": 0.0,
    "max_slope": 0.0,
    "height_range": 0.0,
    "mean_height": 0.0,
    "std_height": 0.0
  },
  "generation_timestamp": "2025-11-08T03:03:32.149305",
  "correlation_length": 0.03772373996304507,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 7,
    "perlin_persistence": 0.7267357953649489,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.46345315666114506,
    "fractal_modes": 73
  }
}