{
  "sample_id": "sample_0008",
  "scene_caption": "A small rehearsal room shows a singer and keyboard player surrounded by a red guitar, black speaker, and yellow notebook.",
  "story": "The group is between takes, listening for the next cue. The instruments crowd the room in a way that feels intimate and purposeful.",
  "background": "Cozy music practice room, dark acoustic wall panels, amber lamps, polished floor.",
  "style": "photorealistic",
  "canvas_size": [
    1024,
    1024
  ],
  "main_image": "main_image.png",
  "layout_sketch": "layout_sketch.png",
  "n_planned": 5,
  "n_accepted": 5,
  "accepted": [
    {
      "name": "singer_green_shirt",
      "is_person": true,
      "ref_style": "professional_portrait",
      "sub_caption": "adult with short brown hair, light skin, green shirt, standing near a microphone",
      "intended_bbox": [
        0.14,
        0.16,
        0.38,
        0.87
      ],
      "measured_bbox": [
        0.1352,
        0.1645,
        0.3847,
        0.8905
      ],
      "iou_intended_vs_measured": 0.9292,
      "layout_followed": true,
      "identity_score": 0.95,
      "identity_verdict": "match",
      "ref_image": "references/ref_singer_green_shirt.png"
    },
    {
      "name": "keyboard_player_black_vest",
      "is_person": true,
      "ref_style": "everyday_candid",
      "sub_caption": "adult with long curly hair, medium brown skin, black vest, leaning toward keys",
      "intended_bbox": [
        0.57,
        0.22,
        0.85,
        0.89
      ],
      "measured_bbox": [
        0.5645,
        0.2239,
        0.8454,
        0.8712
      ],
      "iou_intended_vs_measured": 0.9326,
      "layout_followed": true,
      "identity_score": 0.877,
      "identity_verdict": "match",
      "ref_image": "references/ref_keyboard_player_black_vest.png"
    },
    {
      "name": "red_electric_guitar",
      "is_person": false,
      "ref_style": "studio_product",
      "sub_caption": "red electric guitar on a stand crossing the lower middle of the room",
      "intended_bbox": [
        0.35,
        0.42,
        0.6,
        0.77
      ],
      "measured_bbox": [
        0.3476,
        0.4258,
        0.6017,
        0.7731
      ],
      "iou_intended_vs_measured": 0.9593,
      "layout_followed": true,
      "identity_score": 0.826,
      "identity_verdict": "match",
      "ref_image": "references/ref_red_electric_guitar.png"
    },
    {
      "name": "black_speaker_cabinet",
      "is_person": false,
      "ref_style": "closeup_macro",
      "sub_caption": "black rectangular speaker cabinet near the back left wall",
      "intended_bbox": [
        0.05,
        0.49,
        0.24,
        0.78
      ],
      "measured_bbox": [
        0.0521,
        0.4819,
        0.2429,
        0.7823
      ],
      "iou_intended_vs_measured": 0.9407,
      "layout_followed": true,
      "identity_score": 0.9,
      "identity_verdict": "match",
      "ref_image": "references/ref_black_speaker_cabinet.png"
    },
    {
      "name": "yellow_notebook",
      "is_person": false,
      "ref_style": "flatlay_topdown",
      "sub_caption": "yellow spiral notebook lying open on the floor near the front",
      "intended_bbox": [
        0.58,
        0.68,
        0.8,
        0.84
      ],
      "measured_bbox": [
        0.5835,
        0.6799,
        0.7969,
        0.8428
      ],
      "iou_intended_vs_measured": 0.9532,
      "layout_followed": true,
      "identity_score": 0.876,
      "identity_verdict": "match",
      "ref_image": "references/ref_yellow_notebook.png"
    }
  ],
  "dropped": []
}