{
  "zarr_format": 3,
  "node_type": "group",
  "attributes": {
    "ome": {
      "version": "0.5",
      "multiscales": [
        {
          "version": "0.5",
          "name": "20260319133554-surface-20260925170000-surface-m7-L2-prob.zarr",
          "axes": [
            {
              "name": "z",
              "type": "space",
              "unit": "micrometer"
            },
            {
              "name": "y",
              "type": "space",
              "unit": "micrometer"
            },
            {
              "name": "x",
              "type": "space",
              "unit": "micrometer"
            }
          ],
          "datasets": [
            {
              "path": "9.612",
              "coordinateTransformations": [
                {
                  "type": "scale",
                  "scale": [
                    9.612,
                    9.612,
                    9.612
                  ]
                }
              ]
            },
            {
              "path": "19.224",
              "coordinateTransformations": [
                {
                  "type": "scale",
                  "scale": [
                    19.224,
                    19.224,
                    19.224
                  ]
                }
              ]
            },
            {
              "path": "38.448",
              "coordinateTransformations": [
                {
                  "type": "scale",
                  "scale": [
                    38.448,
                    38.448,
                    38.448
                  ]
                }
              ]
            },
            {
              "path": "76.896",
              "coordinateTransformations": [
                {
                  "type": "scale",
                  "scale": [
                    76.896,
                    76.896,
                    76.896
                  ]
                }
              ]
            },
            {
              "path": "153.792",
              "coordinateTransformations": [
                {
                  "type": "scale",
                  "scale": [
                    153.792,
                    153.792,
                    153.792
                  ]
                }
              ]
            },
            {
              "path": "307.584",
              "coordinateTransformations": [
                {
                  "type": "scale",
                  "scale": [
                    307.584,
                    307.584,
                    307.584
                  ]
                }
              ]
            },
            {
              "path": "615.168",
              "coordinateTransformations": [
                {
                  "type": "scale",
                  "scale": [
                    615.168,
                    615.168,
                    615.168
                  ]
                }
              ]
            },
            {
              "path": "1230.336",
              "coordinateTransformations": [
                {
                  "type": "scale",
                  "scale": [
                    1230.336,
                    1230.336,
                    1230.336
                  ]
                }
              ]
            }
          ],
          "type": "mean",
          "metadata": {
            "codec": "volcomp",
            "description": "2x2x2 mean pooling of the level below (odd edges: mean of the in-array voxels); level 0 is the source CT grid, unresampled"
          }
        }
      ]
    },
    "volcomp": {
      "content": "surface probability (uint8 = round(p * 255)), m7 surface teacher, whole volume in one seamless sliding-window pass; 0 where the masked CT is 0",
      "model": "surface_m7_nnunet (scrollprize, Kaggle 1st place nnU-Net ResEncL, fold_0 checkpoint_best)",
      "model_url": "https://huggingface.co/scrollprize/surface_m7_nnunet",
      "checkpoint_sha256": "17465b77591b794638e671f1a9f79c4cf1e79821f302e6fc235e3725e5da7d7e",
      "inference": {
        "backend": "TensorRT fp16",
        "engine": "m7_p192_b1_fp16_NVIDIA_GeForce_RTX_5060_Ti_sm120_trt11.2.1.2.plan",
        "window": 192,
        "stride": 128,
        "overlap": 64,
        "halo": 32,
        "blend": "separable Gaussian sigma=w/6, normalised over the whole-volume window grid",
        "normalisation": {
          "clip": [
            0.0,
            212.0
          ],
          "mean": 87.54424285888672,
          "std": 47.74376678466797
        },
        "output": "softmax foreground channel (surface)",
        "air_windows": "skipped (all-zero CT)",
        "ct_decode_smooth": 2.0,
        "ct_decode": "volcomp_decode_smooth strength 2, gated, zero guard",
        "tta": 1
      },
      "source_volume": "https://dl.ash2txt.org/community-uploads/forrest/volcomp/PHerc0139/volumes/20260319133554-2.403um-0.2m-77keV-masked.zarr/",
      "source_level": 2,
      "source_shape": [
        19368,
        26105,
        26105
      ],
      "source_level_shape": [
        4842,
        6527,
        6527
      ],
      "native_voxel_size_um": 2.403,
      "inference_voxel_size_um": 9.612,
      "rung_voxel_size_um": 9.612,
      "resampled": false,
      "resample_scale": 1.0,
      "shape": [
        4842,
        6527,
        6527
      ],
      "levels": [
        {
          "path": "9.612",
          "voxel_size_um": 9.612,
          "shape": [
            4842,
            6527,
            6527
          ],
          "encoding": "q",
          "q": 8.0,
          "shard": 1024
        },
        {
          "path": "19.224",
          "voxel_size_um": 19.224,
          "shape": [
            2421,
            3264,
            3264
          ],
          "encoding": "q",
          "q": 8.0,
          "shard": 512
        },
        {
          "path": "38.448",
          "voxel_size_um": 38.448,
          "shape": [
            1211,
            1632,
            1632
          ],
          "encoding": "q",
          "q": 8.0,
          "shard": 256
        },
        {
          "path": "76.896",
          "voxel_size_um": 76.896,
          "shape": [
            606,
            816,
            816
          ],
          "encoding": "q",
          "q": 8.0,
          "shard": 128
        },
        {
          "path": "153.792",
          "voxel_size_um": 153.792,
          "shape": [
            303,
            408,
            408
          ],
          "encoding": "q",
          "q": 8.0,
          "shard": 128
        },
        {
          "path": "307.584",
          "voxel_size_um": 307.584,
          "shape": [
            152,
            204,
            204
          ],
          "encoding": "q",
          "q": 8.0,
          "shard": 128
        },
        {
          "path": "615.168",
          "voxel_size_um": 615.168,
          "shape": [
            76,
            102,
            102
          ],
          "encoding": "q",
          "q": 8.0,
          "shard": 128
        },
        {
          "path": "1230.336",
          "voxel_size_um": 1230.336,
          "shape": [
            38,
            51,
            51
          ],
          "encoding": "q",
          "q": 8.0,
          "shard": 128
        }
      ],
      "encoding": {
        "name": "volcomp q",
        "q": 8.0,
        "codec_chain": [
          "volcomp"
        ],
        "inner_chunk": 128,
        "volcomp_build_sha256_16": "58d0e8ae444af604",
        "volcomp_version": "1.3.0",
        "volume_compressor": "github.com/SuperOptimizer/volume-compressor main f31b0e2"
      },
      "produced_by": "github.com/SuperOptimizer/rvsm tools/m7_wholevol.py",
      "commit": "090eaa0",
      "host": "forlindesk2 (2x RTX 5060 Ti)",
      "date": "2026-09-29T14:27:52Z"
    }
  }
}