{
  "generated": "2026-09-09 02:34 UTC",
  "films": 4,
  "items_total": 15,
  "items_detected": 15,
  "recall": 1.0,
  "precision": 0.938,
  "cues_total": 5,
  "cues_within_tolerance": 5,
  "false_positives_in_negative_zones": 0,
  "categories": {
    "trademark_logo": {
      "total": 6,
      "detected": 6
    },
    "artwork": {
      "total": 4,
      "detected": 4
    },
    "identifiable_person": {
      "total": 3,
      "detected": 3
    },
    "location_signage": {
      "total": 1,
      "detected": 1
    },
    "poster_prop": {
      "total": 1,
      "detected": 1
    }
  },
  "per_film": [
    {
      "film": "the_errand",
      "model": "gemini-3.5-flash",
      "duration_s": 75,
      "difficulty": "baseline salted film",
      "provenance": null,
      "items_total": 5,
      "items_detected": 5,
      "spurious_total": 0,
      "false_positives_in_negative_zones": 0,
      "precision": 1.0,
      "recall": 1.0,
      "cues_total": 2,
      "cues_within_tolerance": 2,
      "extra_cues": 0,
      "per_item": [
        {
          "id": "coke",
          "type": "trademark_logo",
          "label": "Coca-Cola logo on beverage can",
          "detected": true,
          "pred_label": "Coca-Cola Logo",
          "pred_window": [
            10,
            19
          ]
        },
        {
          "id": "starry_night",
          "type": "artwork",
          "label": "Vincent van Gogh 'The Starry Night' framed on wall",
          "detected": true,
          "pred_label": "The Starry Night Painting",
          "pred_window": [
            20,
            29
          ]
        },
        {
          "id": "celebrity_tv",
          "type": "identifiable_person",
          "label": "Recognizable actor shown on TV as awards-show footage",
          "detected": true,
          "pred_label": "Tom Cruise Photo",
          "pred_window": [
            30,
            39
          ]
        },
        {
          "id": "storefront",
          "type": "location_signage",
          "label": "Real city street with storefront/brand signage",
          "detected": true,
          "pred_label": "Piccadilly Circus Signage",
          "pred_window": [
            40,
            49
          ]
        },
        {
          "id": "nightfall_poster",
          "type": "poster_prop",
          "label": "In-world 'NIGHTFALL' movie poster",
          "detected": true,
          "pred_label": "Nightfall Poster",
          "pred_window": [
            50,
            59
          ]
        }
      ],
      "cues": [
        {
          "id": "cue1",
          "gt": [
            0,
            15
          ],
          "pred": [
            1.1,
            15.0
          ],
          "within_tolerance": true
        },
        {
          "id": "cue2",
          "gt": [
            45,
            75
          ],
          "pred": [
            45.0,
            75.0
          ],
          "within_tolerance": true
        }
      ],
      "spurious": []
    },
    {
      "film": "backlot",
      "model": "gemini-3.5-flash",
      "duration_s": 60,
      "difficulty": "small + occluded items",
      "provenance": null,
      "items_total": 4,
      "items_detected": 4,
      "spurious_total": 1,
      "false_positives_in_negative_zones": 0,
      "precision": 0.8,
      "recall": 1.0,
      "cues_total": 1,
      "cues_within_tolerance": 1,
      "extra_cues": 0,
      "per_item": [
        {
          "id": "b_coke",
          "type": "trademark_logo",
          "label": "Coca-Cola billboard (small, background)",
          "detected": true,
          "pred_label": "Coca-Cola logo",
          "pred_window": [
            5,
            15
          ]
        },
        {
          "id": "b_arches",
          "type": "trademark_logo",
          "label": "McDonald's arches through window (occluded)",
          "detected": true,
          "pred_label": "McDonald's logo",
          "pred_window": [
            15,
            25
          ]
        },
        {
          "id": "b_art",
          "type": "artwork",
          "label": "The Starry Night (partially occluded by lamp)",
          "detected": true,
          "pred_label": "The Starry Night by Vincent van Gogh",
          "pred_window": [
            25,
            35
          ]
        },
        {
          "id": "b_face",
          "type": "identifiable_person",
          "label": "Celebrity on magazine cover (small)",
          "detected": true,
          "pred_label": "Tom Cruise",
          "pred_window": [
            35,
            45
          ]
        }
      ],
      "cues": [
        {
          "id": "b_cue1",
          "gt": [
            20,
            35
          ],
          "pred": [
            20.0,
            34.9
          ],
          "within_tolerance": true
        }
      ],
      "spurious": [
        {
          "type": "trademark_logo",
          "label": "Vanity Fair masthead",
          "window": [
            35,
            45
          ]
        }
      ]
    },
    {
      "film": "control",
      "model": "gemini-3.5-flash",
      "duration_s": 42,
      "difficulty": "multi-item frame + no music (false-positive control)",
      "provenance": null,
      "items_total": 3,
      "items_detected": 3,
      "spurious_total": 0,
      "false_positives_in_negative_zones": 0,
      "precision": 1.0,
      "recall": 1.0,
      "cues_total": 0,
      "cues_within_tolerance": 0,
      "extra_cues": 0,
      "per_item": [
        {
          "id": "c_art",
          "type": "artwork",
          "label": "The Starry Night",
          "detected": true,
          "pred_label": "The Starry Night painting",
          "pred_window": [
            5,
            17
          ]
        },
        {
          "id": "c_coke",
          "type": "trademark_logo",
          "label": "Coca-Cola can",
          "detected": true,
          "pred_label": "McDonald's logo",
          "pred_window": [
            5,
            17
          ]
        },
        {
          "id": "c_arches",
          "type": "trademark_logo",
          "label": "McDonald's arches sign",
          "detected": true,
          "pred_label": "Coca-Cola logo",
          "pred_window": [
            5,
            17
          ]
        }
      ],
      "cues": [],
      "spurious": []
    },
    {
      "film": "synthetic",
      "model": "gemini-3.6-flash",
      "duration_s": 48,
      "difficulty": "synthetic-style frames (AI-film mode)",
      "provenance": {
        "s1": "stylised composite (no image model quota)",
        "s2": "stylised composite (no image model quota)",
        "s3": "stylised composite (no image model quota)"
      },
      "items_total": 3,
      "items_detected": 3,
      "spurious_total": 0,
      "false_positives_in_negative_zones": 0,
      "precision": 1.0,
      "recall": 1.0,
      "cues_total": 2,
      "cues_within_tolerance": 2,
      "extra_cues": 0,
      "per_item": [
        {
          "id": "d_coke",
          "type": "trademark_logo",
          "label": "Coca-Cola can (synthetic scene)",
          "detected": true,
          "pred_label": "Coca-Cola logo and can",
          "pred_window": [
            6,
            17.5
          ]
        },
        {
          "id": "d_face",
          "type": "identifiable_person",
          "label": "Tom Cruise likeness (synthetic)",
          "detected": true,
          "pred_label": "Tom Cruise",
          "pred_window": [
            18,
            29.5
          ]
        },
        {
          "id": "d_art",
          "type": "artwork",
          "label": "The Starry Night reproduction (synthetic scene)",
          "detected": true,
          "pred_label": "The Starry Night by Vincent van Gogh",
          "pred_window": [
            30,
            41.5
          ]
        }
      ],
      "cues": [
        {
          "id": "d_cue1",
          "gt": [
            0,
            12
          ],
          "pred": [
            0.0,
            11.9
          ],
          "within_tolerance": true
        },
        {
          "id": "d_cue2",
          "gt": [
            30,
            48
          ],
          "pred": [
            30.0,
            48.0
          ],
          "within_tolerance": true
        }
      ],
      "spurious": []
    }
  ]
}