docs/data/research_takeaways.json

{
  "title": "Ropedia Xperience-10M Research Takeaways",
  "status": "pass",
  "generated_at_utc": "2026-06-02T12:00:44+00:00",
  "source_files": [
    "docs/data/summary_metrics.json",
    "results/episode_task_suite/summary_report.json",
    "results/episode_task_suite/neural_mlp/*/metrics.json",
    "results/omni_finetune/MULTI_EPISODE_ACCESS_STATUS.md"
  ],
  "scope": {
    "validated_episode_count": 1,
    "num_frames": 5821,
    "num_windows": 1161,
    "feature_dim": 8378,
    "audio_featurized": false,
    "raw_data_redistributed": false
  },
  "takeaways": [
    {
      "id": "episode_to_benchmark",
      "title": "One episode can become a real benchmark contract",
      "readout": "The public sample is converted into 5,821 frames, 1,161 aligned 20-frame windows, and an 8,378-dimensional feature contract.",
      "evidence": [
        {
          "label": "frames",
          "value": 5821
        },
        {
          "label": "windows",
          "value": 1161
        },
        {
          "label": "feature_dim",
          "value": 8378
        }
      ],
      "source": "docs/data/summary_metrics.json",
      "current_scope": "This benchmark defines the task contract; cross-episode generalization is evaluated in the multi-episode stage."
    },
    {
      "id": "chronological_split_exposes_class_shift",
      "title": "Chronological splits expose action-class shift",
      "readout": "Earlier all-feature action classifiers reach high macro-F1 on their local split, but the 12-task chronological action/subtask heads are much harder because later held-out windows include unseen labels.",
      "evidence": [
        {
          "label": "all_feature_action_macro_f1",
          "value": 0.9791023658779895
        },
        {
          "label": "suite_action_macro_f1",
          "value": 0.05
        },
        {
          "label": "suite_subtask_macro_f1",
          "value": 0.04954121121178666
        },
        {
          "label": "unseen_action_test_classes",
          "value": 4
        }
      ],
      "source": "results/episode_task_suite/summary_report.json",
      "current_scope": "This split is useful for studying label shift; broad action-recognition conclusions need held-out episodes."
    },
    {
      "id": "neural_heads_help_dynamics",
      "title": "Small neural heads help dynamic and temporal probes",
      "readout": "The MLP heads substantially improve hand trajectory forecasting, temporal-order verification, and motion/visual synchronization.",
      "evidence": [
        {
          "label": "hand_mpjpe_minimal",
          "value": 0.8222644925117493
        },
        {
          "label": "hand_mpjpe_neural",
          "value": 0.11163123697042465
        },
        {
          "label": "hand_mpjpe_relative_improvement",
          "value": 0.8642392587944207
        },
        {
          "label": "temporal_order_f1_minimal",
          "value": 0.5487364620938628
        },
        {
          "label": "temporal_order_f1_neural",
          "value": 0.8717948717948718
        },
        {
          "label": "misalignment_f1_minimal",
          "value": 0.4865671641791045
        },
        {
          "label": "misalignment_f1_neural",
          "value": 0.7335243553008597
        }
      ],
      "source": "results/episode_task_suite/neural_mlp/*/metrics.json",
      "current_scope": "These gains are measured within one episode and are candidates for held-out-episode testing."
    },
    {
      "id": "retrieval_and_reconstruction_remain_open",
      "title": "Retrieval and reconstruction remain the harder multimodal problems",
      "readout": "Ridge/cosine retrieval remains stronger than the neural projection on this sample, and cross-modal reconstruction still has negative R2.",
      "evidence": [
        {
          "label": "retrieval_mrr_minimal",
          "value": 0.26335984006618296
        },
        {
          "label": "retrieval_mrr_neural",
          "value": 0.1530070022204131
        },
        {
          "label": "retrieval_top5_minimal",
          "value": 0.3764367816091954
        },
        {
          "label": "reconstruction_r2_minimal",
          "value": -0.016022846771134747
        },
        {
          "label": "reconstruction_r2_neural",
          "value": -0.010198171891414143
        }
      ],
      "source": "results/episode_task_suite/cross_modal_retrieval/metrics.json",
      "current_scope": "The current reconstruction task predicts feature vectors; depth, mesh, NeRF, and Gaussian-splatting outputs are future task variants."
    },
    {
      "id": "scale_requires_episodes",
      "title": "The next scientific unit is held-out episodes, not more adjacent windows",
      "readout": "The prepared Qwen3-Omni path targets 32 episodes from 32 sessions, but it remains data-gated until access and held-out evaluation complete.",
      "evidence": [
        {
          "label": "target_episodes",
          "value": 32
        },
        {
          "label": "selected_sessions",
          "value": 32
        },
        {
          "label": "valid_candidates",
          "value": 680
        }
      ],
      "source": "results/omni_finetune/MULTI_EPISODE_ACCESS_STATUS.md",
      "current_scope": "The 32-episode Qwen3-Omni fine-tune requires gated data staging and held-out evaluation."
    }
  ]
}