Local4 dense contamination mask v2 · focused five-frame audit

{
  "frame_id": "0006",
  "object_type": "opaque folding screen",
  "mask_strategy": "filled_silhouette",
  "polygons": [
    {
      "label": "complete folding-screen outer silhouette",
      "vertices_normalized": [
        [
          0.575,
          0.05
        ],
        [
          0.612,
          0.12
        ],
        [
          0.694,
          0.058
        ],
        [
          0.823,
          0.123
        ],
        [
          0.934,
          0.04
        ],
        [
          0.86,
          1.0
        ],
        [
          0.62,
          1.0
        ],
        [
          0.55,
          1.0
        ]
      ],
      "strength": 1.0
    }
  ],
  "use_v1_core": true,
  "fill_holes": true,
  "closing_px": 19,
  "dilation_px": 3,
  "feather_px": 3,
  "reason": "The screen is an opaque planar occluder. Its complete outer envelope must be filled across panel seams, dark folds, low-residual interiors, and the narrow internal gaps that remain in v1; otherwise static window and cabinet content would survive as training holes inside the occluder.",
  "confidence": 0.99
}

{
  "frame_id": "0008",
  "object_type": "full-length reflective panel",
  "mask_strategy": "filled_polygon",
  "polygons": [
    {
      "label": "entire mirror face and frame",
      "vertices_normalized": [
        [
          0.551,
          0.235
        ],
        [
          0.667,
          0.235
        ],
        [
          0.671,
          1.0
        ],
        [
          0.551,
          1.0
        ]
      ],
      "strength": 1.0
    }
  ],
  "use_v1_core": true,
  "fill_holes": true,
  "closing_px": 21,
  "dilation_px": 3,
  "feather_px": 3,
  "reason": "The transient is the complete standing mirror, not merely residual-rich reflected patches. The whole reflective face, frame, and lower support must be dense so reflected room content cannot remain as static supervision holes.",
  "confidence": 0.97
}

{
  "frame_id": "0012",
  "object_type": "large translucent motion sweep",
  "mask_strategy": "blur_envelope",
  "polygons": [
    {
      "label": "complete diagonal motion-blur envelope",
      "vertices_normalized": [
        [
          0.5,
          0.1
        ],
        [
          0.55,
          0.14
        ],
        [
          0.6,
          0.21
        ],
        [
          0.66,
          0.27
        ],
        [
          0.72,
          0.36
        ],
        [
          0.71,
          0.47
        ],
        [
          0.64,
          0.59
        ],
        [
          0.56,
          0.76
        ],
        [
          0.45,
          0.86
        ],
        [
          0.38,
          0.71
        ],
        [
          0.31,
          0.56
        ],
        [
          0.39,
          0.35
        ]
      ],
      "strength": 0.88
    }
  ],
  "use_v1_core": true,
  "fill_holes": true,
  "closing_px": 29,
  "dilation_px": 18,
  "feather_px": 30,
  "minimum_strength": 0.45,
  "reason": "This contamination is a broad semi-transparent motion envelope rather than a crisp instance. The polygon follows the full visible sweep from the high central tip through the rightward wake and lower tail, deliberately filling across flowers, table, and chair seen through the blur so weak residual areas are not treated as clean static pixels.",
  "confidence": 0.94
}

{
  "frame_id": "0020",
  "object_type": "person carrying a full-length mirror",
  "mask_strategy": "composite",
  "polygons": [
    {
      "label": "complete mirror board including reflective interior",
      "vertices_normalized": [
        [
          0.505,
          0.24
        ],
        [
          0.66,
          0.24
        ],
        [
          0.66,
          1.0
        ],
        [
          0.5,
          1.0
        ]
      ],
      "strength": 1.0
    },
    {
      "label": "carrier head arms hands and body silhouette",
      "vertices_normalized": [
        [
          0.56,
          0.2
        ],
        [
          0.62,
          0.2
        ],
        [
          0.66,
          0.26
        ],
        [
          0.66,
          0.32
        ],
        [
          0.69,
          0.36
        ],
        [
          0.7,
          0.48
        ],
        [
          0.68,
          0.52
        ],
        [
          0.65,
          0.5
        ],
        [
          0.64,
          0.38
        ],
        [
          0.53,
          0.36
        ],
        [
          0.49,
          0.45
        ],
        [
          0.48,
          0.62
        ]
      ],
      "strength": 1.0
    }
  ],
  "use_v1_core": true,
  "fill_holes": true,
  "closing_px": 21,
  "dilation_px": 5,
  "feather_px": 4,
  "reason": "This is a composite opaque occluder: the entire mirror panel must be filled despite reflected room content, and the person's visible head, sleeves, hands, and body edges around it must be joined into the support. Filling both polygons removes the many reflective and clothing holes left by v1.",
  "confidence": 0.96
}

{
  "frame_id": "0030",
  "object_type": "extremely defocused foreground bouquet and vase",
  "mask_strategy": "blur_envelope",
  "polygons": [
    {
      "label": "dense foreground vase instance",
      "vertices_normalized": [
        [
          0.34,
          0.72
        ],
        [
          0.4,
          0.73
        ],
        [
          0.43,
          0.84
        ],
        [
          0.44,
          1.0
        ],
        [
          0.19,
          1.0
        ],
        [
          0.21,
          0.88
        ],
        [
          0.26,
          0.79
        ],
        [
          0.31,
          0.76
        ]
      ],
      "strength": 1.0
    },
    {
      "label": "full soft bouquet blossom leaf and stem envelope",
      "vertices_normalized": [
        [
          0.5,
          0.16
        ],
        [
          0.55,
          0.29
        ],
        [
          0.67,
          0.33
        ],
        [
          0.7,
          0.44
        ],
        [
          0.61,
          0.55
        ],
        [
          0.66,
          0.68
        ],
        [
          0.56,
          0.75
        ],
        [
          0.49,
          0.81
        ],
        [
          0.35,
          0.85
        ],
        [
          0.22,
          0.73
        ],
        [
          0.27,
          0.55
        ],
        [
          0.26,
          0.36
        ]
      ],
      "strength": 0.72
    }
  ],
  "use_v1_core": true,
  "fill_holes": true,
  "closing_px": 31,
  "dilation_px": 22,
  "feather_px": 36,
  "minimum_strength": 0.45,
  "reason": "The foreground vase has a dense instance core, while its bouquet is strongly defocused and spreads as a soft translucent envelope across the center. Separate hard-vase and soft-bouquet polygons cover the full visible plant support, including disconnected blossoms, thin stems, and weak blur over the static background arrangement.",
  "confidence": 0.92
}