{
  "experiment_date": "2026-10-19",
  "dataset": "NeRF Synthetic Hotdog (CC0), supplied poses",
  "own_photo_capture": false,
  "colmap_run": false,
  "train_views": 100,
  "validation_views": 10,
  "resolution": [
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    400
  ],
  "brush_version": "v0.3.0",
  "training_backend": "Vulkan",
  "seed": 20261019,
  "steps": 3000,
  "process_wall_seconds": 38.944,
  "validation": [
    {
      "step": 1000,
      "psnr_db": 23.608936,
      "ssim": 0.8682354
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    {
      "step": 2000,
      "psnr_db": 28.688244,
      "ssim": 0.94056
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    {
      "step": 3000,
      "psnr_db": 30.395605,
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  "independent_saved_render_check": {
    "held_out_images": 10,
    "independent_mean_psnr_db": 30.395844916212223,
    "metric": "RGB, black-alpha composite, 8-bit saved Brush render, per-image PSNR then mean",
    "images": [
      {
        "image": "r_0.png",
        "mse": 0.0004630125913110342,
        "psnr_db": 33.34407198479784
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      {
        "image": "r_10.png",
        "mse": 0.0005024275919518134,
        "psnr_db": 32.9892651834854
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      {
        "image": "r_20.png",
        "mse": 0.00045892086377034467,
        "psnr_db": 33.3826219766738
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        "image": "r_30.png",
        "mse": 0.00139831814686659,
        "psnr_db": 28.543940061946486
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      {
        "image": "r_40.png",
        "mse": 0.0023798685441496856,
        "psnr_db": 26.234470312321942
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      {
        "image": "r_50.png",
        "mse": 0.000766792163270537,
        "psnr_db": 31.153223343252137
      },
      {
        "image": "r_60.png",
        "mse": 0.001123261886453928,
        "psnr_db": 29.495189769690462
      },
      {
        "image": "r_70.png",
        "mse": 0.0014384609765474817,
        "psnr_db": 28.421019154211873
      },
      {
        "image": "r_80.png",
        "mse": 0.0021541221645520955,
        "psnr_db": 26.667296706358123
      },
      {
        "image": "r_90.png",
        "mse": 0.00042390148019992314,
        "psnr_db": 33.727350669384165
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    ]
  },
  "cleanup": {
    "raw_splats": 9020,
    "filtered_splats": 8820,
    "removed_splats": 200,
    "low_opacity_splats": 199,
    "distant_splats": 3,
    "overlap": 2,
    "opacity_minimum": 0.01,
    "radius_maximum_scene_units": 2.0,
    "radius_center": [
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      -0.10115839540958405,
      0.03026873990893364
    ],
    "note": "Chosen experiment thresholds, not a general optimum. Removal is not proof of a quality improvement.",
    "models": {
      "hotdog_clean.ply": {
        "bytes": 2083069,
        "sha256": "59560d0c649aa2b1d6939c07b072d71b04c882e8f9d83956da2071761e35bf9a"
      },
      "hotdog_raw.ply": {
        "bytes": 2130269,
        "sha256": "72754a6dffe23438f01e8665f92e7164d0c2ddc615d45a131f19559a51edf8b1"
      }
    }
  },
  "unity_import": {
    "raw_splats": 9020,
    "cleaned_splats": 8820,
    "graphics_api": "Direct3D12",
    "asset_quality": "Medium",
    "unity": "6000.0.23f1"
  },
  "runtime": {
    "passed": true,
    "gpu": "NVIDIA GeForce RTX 3060 Laptop GPU",
    "graphics_api": "Direct3D12",
    "captures": [
      {
        "view": 0,
        "filtered": false,
        "splats": 9020,
        "file": "view-0-raw.png",
        "nonblack_fraction": 0.286095,
        "sha256": "210c806d7fa286103eb2e14ac796218b0b4b09203625ba7e5c7265ea39417f14"
      },
      {
        "view": 0,
        "filtered": true,
        "splats": 8820,
        "file": "view-0-filtered.png",
        "nonblack_fraction": 0.286142,
        "sha256": "ffda557998b04345d3dda505ed121359fd9f0c06957e80df1a8d9116fb37140b"
      },
      {
        "view": 1,
        "filtered": false,
        "splats": 9020,
        "file": "view-1-raw.png",
        "nonblack_fraction": 0.149147,
        "sha256": "4b4a2cee65936559c438c51156ce3dc5dd297c6f6992600778c9e0e4b6aaee3b"
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      {
        "view": 1,
        "filtered": true,
        "splats": 8820,
        "file": "view-1-filtered.png",
        "nonblack_fraction": 0.149008,
        "sha256": "707e32904c4ac851c44adf68c44f095cef112c3e4884cdfd889b2b3434995dde"
      },
      {
        "view": 2,
        "filtered": false,
        "splats": 9020,
        "file": "view-2-raw.png",
        "nonblack_fraction": 0.172723,
        "sha256": "590414327d036b7859a425ec26e0b020109be9709fbe29d85d2c682089f2a500"
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      {
        "view": 2,
        "filtered": true,
        "splats": 8820,
        "file": "view-2-filtered.png",
        "nonblack_fraction": 0.172703,
        "sha256": "8a5a544e4671df8ba1a58b506853ef07357806d84b5eb0a08867b5cc9caca579"
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    ],
    "exit_code": 0
  },
  "visual_inspection": "Three poses, both models and debug points inspected; object visible and orientation consistent.",
  "limits": [
    "Public synthetic data, no personal capture or COLMAP.",
    "Validation used for monitoring; no final independent benchmark.",
    "Brush metrics are not Unity rendering metrics.",
    "Filtering is not demonstrated to improve image quality.",
    "No FPS, VR or mobile test.",
    "Editor importer reported two persistent allocations at exit; unresolved."
  ]
}