{
  "//": "视频 batch 示例（匹配 data_curation_output/sceneX 目录）。注意：tracker.sample_stride 是抽帧步长(每 N 帧取 1 帧)，不是视频 FPS。",

  "input_root": "data_curation_output",
  "scene_pattern": "scene{}",
  "metadata_filename": "scene.json",

  "//_video": "batch_scene_pipeline_vedio.py 额外字段：视频查找与 mask 对齐",
  "video_glob": "*.mp4",
  "mask_glob": "frame_*.png",
  "tracker_mask_mode": "none",
  "export_combined_video": true,
  "combined_video_alpha": 0.7,
  "combined_video_name": "scene_objects_normal_overlay.mp4",

  "tracker": {
    "sample_stride": 3,
    "grid_size": 50,
    "vo_points": 756,
    "processing_mode": "offline"
  },

  "generation": {
    "ss_guidance": 7.5,
    "ss_steps": 12,
    "slat_guidance": 3.0,
    "slat_steps": 12,
    "default_seed": 0,
    "randomize_seed": true,
    "depth_scene_step": 4,
    "scene_frame": -1,
    "export_scene_point_cloud": true,
    "object_mesh_samples": 15000,
    "model_type": "legacy"
  }
}