{ "title": "Ropedia Xperience-10M Research Takeaways", "status": "pass", "generated_at_utc": "2026-06-06T13:49:32+00:00", "source_files": [ "docs/data/summary_metrics.json", "results/episode_task_suite/summary_report.json", "results/episode_task_suite/neural_mlp/*/metrics.json", "docs/data/audio_ablation_summary.json", "results/omni_finetune/MULTI_EPISODE_ACCESS_STATUS.md" ], "scope": { "validated_episode_count": 1, "num_frames": 5821, "num_windows": 1161, "feature_dim": 8546, "audio_featurized": true, "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 8,546-dimensional feature contract.", "evidence": [ { "label": "frames", "value": 5821 }, { "label": "windows", "value": 1161 }, { "label": "feature_dim", "value": 8546 } ], "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": 0.9828810433408773 }, { "label": "suite_action_macro_f1", "value": 0.05 }, { "label": "suite_subtask_macro_f1", "value": 0.05056355513846935 }, { "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": 0.8646570444107056 }, { "label": "hand_mpjpe_neural", "value": 0.10785018652677536 }, { "label": "hand_mpjpe_relative_improvement", "value": 0.8752682497367739 }, { "label": "temporal_order_f1_minimal", "value": 0.5399515738498789 }, { "label": "temporal_order_f1_neural", "value": 0.8520179372197308 }, { "label": "misalignment_f1_minimal", "value": 0.5051698670605613 }, { "label": "misalignment_f1_neural", "value": 0.7152682255845944 } ], "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": 0.26925966892956127 }, { "label": "retrieval_mrr_neural", "value": 0.1299971898648288 }, { "label": "retrieval_top5_minimal", "value": 0.367816091954023 }, { "label": "reconstruction_r2_minimal", "value": -0.015271898913936655 }, { "label": "reconstruction_r2_neural", "value": -0.010171410134180991 } ], "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": "audio_contribution_is_task_specific", "title": "Audio helps some tasks and hurts others on the public sample", "readout": "Audio improves the primary metric on 6 of 12 tasks, while raw log-mel replacement improves over the current handcrafted block on 6 of 12 tasks. The largest current-audio gain appears in feature reconstruction, not in action classification.", "evidence": [ { "label": "tasks_where_current_audio_improves", "value": 6 }, { "label": "mean_current_audio_delta", "value": 0.041849794979543296 }, { "label": "tasks_where_raw_replacement_improves", "value": 6 }, { "label": "mean_raw_replacement_delta_vs_current", "value": 0.09362598132150173 }, { "label": "reconstruction_current_audio_delta", "value": 0.6524486541748047 }, { "label": "object_relevance_current_audio_delta", "value": 0.010206249894598368 } ], "source": "results/audio_ablation/audio_ablation_summary.json", "current_scope": "This is a single-episode ablation over fixed ridge heads. It validates that audio is wired into the task suite and shows where it changes metrics; it does not prove cross-episode audio generalization." }, { "id": "scale_requires_episodes", "title": "The next scientific unit is held-out episodes, not more adjacent windows", "readout": "The selected Qwen3-Omni path now has a verified validation-aware held-out diagnostic pilot. It proves the cross-episode train/validation/eval loop, but the weak metrics show that structured-output reliability and task-quality error analysis are the next modeling problems.", "evidence": [ { "label": "selected_episodes", "value": 128 }, { "label": "held_out_test_windows", "value": 448 }, { "label": "json_validity_rate", "value": 0.875 }, { "label": "action_macro_f1", "value": 0.0026621494447581404 } ], "source": "docs/data/omni_finetune_verified_result.json", "current_scope": "The selected-episode Qwen3-Omni validation-aware diagnostic pilot is verified, but held-out quality is still weak and JSON validity remains below the 98% target." } ] }