{
  "name": "P0814_9to2",
  "coarse": {
    "root": "https://dl.ash2txt.org/community-uploads/forrest/volcomp",
    "key": "PHerc0814/volumes/20250804134230-9.362um-1.2m-113keV-masked.zarr",
    "um": 9.362
  },
  "fine": {
    "root": "https://dl.ash2txt.org/community-uploads/forrest/volcomp",
    "key": "PHerc0814/volumes/20260309142202-2.399um-0.2m-78keV-masked.zarr",
    "um": 2.399
  },
  "A": [
    [
      -0.25643839859,
      -0.0171444979929,
      0.00308839467812,
      6198.90170388
    ],
    [
      0.0171702017245,
      -0.256455342438,
      -0.00282220666116,
      6172.56048918
    ],
    [
      0.0033172841297,
      -0.00267419034243,
      0.257028417503,
      203.579515396
    ]
  ],
  "A_inv": [
    [
      -3.88159181384,
      0.258975356304,
      0.0494839037631,
      22452.9911474
    ],
    [
      -0.260401875932,
      -3.88149424477,
      -0.039490400492,
      25581.0030832
    ],
    [
      0.0473876735443,
      -0.0437264850796,
      3.88957086027,
      -815.684106975
    ]
  ],
  "A_input": [
    [
      -0.256440613938,
      -0.0171431435914,
      0.00308815907021,
      6198.9232309
    ],
    [
      0.0171706421398,
      -0.256457482708,
      -0.00282240282186,
      6172.59318612
    ],
    [
      0.00331648919128,
      -0.0026731805322,
      0.257028241575,
      203.639658757
    ]
  ],
  "A_published": [
    [
      -0.256578410736,
      -0.0175035381124,
      0.00304734309449,
      6206.62696412
    ],
    [
      0.0171877321742,
      -0.256302597195,
      -0.00280323127346,
      6169.69770689
    ],
    [
      0.00323959304431,
      -0.00289309117957,
      0.256992714621,
      208.67500071
    ]
  ],
  "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": [
      194,
      50,
      50
    ],
    "o": [
      608.0000,
      608.0000,
      876.3000
    ],
    "h": 96.0000,
    "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": 3.6279
  },
  "fit": {
    "boxes": "passB.jsonl",
    "n": 25000,
    "accepted": 23806,
    "h": 96,
    "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": 9.362,
    "affine_correction": [
      [
        0.00000823522252212,
        -0.00000582051966537,
        -0.00000107952356502,
        0.00662496497624
      ],
      [
        -0.00000116147779479,
        0.00000843007902103,
        -6.5666735569E-7,
        -0.0120046602904
      ],
      [
        0.00000281433314257,
        -0.00000411774931707,
        -7.63500519678E-7,
        0.0682700766957
      ]
    ],
    "before": {
      "n": 23806,
      "p10_vox": 0.3327,
      "p50_vox": 0.7207,
      "p90_vox": 1.3446,
      "p99_vox": 2.6078,
      "mean_vox": 0.8078,
      "p50_um": 6.747,
      "p90_um": 12.588
    },
    "holdout_affine": {
      "n": 4761,
      "p10_vox": 0.3245,
      "p50_vox": 0.7109,
      "p90_vox": 1.3310,
      "p99_vox": 2.6015,
      "mean_vox": 0.8011,
      "p50_um": 6.655,
      "p90_um": 12.461
    },
    "holdout_field": {
      "n": 4761,
      "p10_vox": 0.0468,
      "p50_vox": 0.1186,
      "p90_vox": 0.2668,
      "p99_vox": 0.5298,
      "mean_vox": 0.1439,
      "p50_um": 1.111,
      "p90_um": 2.498
    },
    "insample_field": {
      "n": 23806,
      "p10_vox": 0.0012,
      "p50_vox": 0.0032,
      "p90_vox": 0.0080,
      "p99_vox": 0.0156,
      "mean_vox": 0.0041,
      "p50_um": 0.030,
      "p90_um": 0.075
    }
  }
}