{
  "name": "P0009B_9to2",
  "coarse": {
    "root": "https://dl.ash2txt.org/community-uploads/forrest/volcomp",
    "key": "PHerc0009B/volumes/20250521125136-8.640um-1.2m-116keV-masked.zarr",
    "um": 8.64
  },
  "fine": {
    "root": "https://dl.ash2txt.org/community-uploads/forrest/volcomp",
    "key": "PHerc0009B/volumes/20250820154339-2.401um-0.3m-77keV-masked.zarr",
    "um": 2.401
  },
  "A": [
    [
      0.277711379905,
      0.000768453895684,
      0.010608068918,
      -55.3111754838
    ],
    [
      -0.00049895826155,
      0.27792157464,
      -0.00815335691483,
      120.436711689
    ],
    [
      -0.0106896626321,
      0.00821810535879,
      0.277390702042,
      237.517318272
    ]
  ],
  "A_inv": [
    [
      3.59555079696,
      -0.00587068060723,
      -0.137674825168,
      232.281341826
    ],
    [
      0.0105109473344,
      3.59499559498,
      0.105265897972,
      -457.390548935
    ],
    [
      0.13824848721,
      -0.106733239222,
      3.59659934159,
      -833.753343817
    ]
  ],
  "A_input": [
    [
      0.277711716038,
      0.000764599393566,
      0.0106069886279,
      -55.2245090295
    ],
    [
      -0.000496732612222,
      0.277924272851,
      -0.00815206078148,
      120.341676079
    ],
    [
      -0.0106837418375,
      0.00820505693113,
      0.27738510102,
      237.868168936
    ]
  ],
  "A_published": [
    [
      0.277677404731,
      0.000423605528473,
      0.0106239490578,
      -50.1194030106
    ],
    [
      -0.000621669391021,
      0.277270024762,
      -0.00821772206962,
      133.005807429
    ],
    [
      -0.010596257966,
      0.00722623216818,
      0.277340948876,
      250.472634865
    ]
  ],
  "A_note": "A: fine level-0 voxel (x,y,z) -> coarse level-0 voxel (x,y,z), refined affine; fine(c) = A^-1 (c + D(c)), D the field (coarse L0 voxels, trilinear, clamped outside the grid)",
  "field": {
    "file": "field.f32",
    "n": [
      67,
      18,
      61
    ],
    "o": [
      1207.0000,
      3277.0000,
      1483.0000
    ],
    "h": 104.0000,
    "layout": "float32 [nz][ny][nx][3] x,y,z displacement in coarse L0 voxels; node (k,j,i) at o + h (i,j,k)",
    "max_abs": 3.4265
  },
  "fit": {
    "boxes": "passB.jsonl",
    "n": 9631,
    "accepted": 8623,
    "h": 104,
    "lam": 0.03,
    "huber": 0.5,
    "ncc_min": 0.3,
    "sec_max": 0.9,
    "curv_min": 0.002,
    "holdout": 5,
    "affine_only": 0,
    "coarse_um": 8.64,
    "affine_correction": [
      [
        0.00000101871999982,
        -0.0000137435885999,
        -0.00000433739545611,
        0.0894082400163
      ],
      [
        0.00000820998444027,
        0.00000954864902877,
        0.00000463928604184,
        -0.0968334248037
      ],
      [
        0.000020377033705,
        -0.0000463459838776,
        -0.000022333329831,
        0.362864051941
      ]
    ],
    "before": {
      "n": 8623,
      "p10_vox": 0.2577,
      "p50_vox": 0.6095,
      "p90_vox": 1.1313,
      "p99_vox": 2.0089,
      "mean_vox": 0.6746,
      "p50_um": 5.266,
      "p90_um": 9.775
    },
    "holdout_affine": {
      "n": 1725,
      "p10_vox": 0.2758,
      "p50_vox": 0.6023,
      "p90_vox": 1.0788,
      "p99_vox": 1.8075,
      "mean_vox": 0.6568,
      "p50_um": 5.204,
      "p90_um": 9.321
    },
    "holdout_field": {
      "n": 1725,
      "p10_vox": 0.0317,
      "p50_vox": 0.0819,
      "p90_vox": 0.2134,
      "p99_vox": 0.4728,
      "mean_vox": 0.1084,
      "p50_um": 0.707,
      "p90_um": 1.844
    },
    "insample_field": {
      "n": 8623,
      "p10_vox": 0.0015,
      "p50_vox": 0.0043,
      "p90_vox": 0.0116,
      "p99_vox": 0.0244,
      "mean_vox": 0.0058,
      "p50_um": 0.037,
      "p90_um": 0.100
    }
  }
}