{ "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." } ] }