| { | |
| "dataset": "physical_pendulum_videos", | |
| "seed": 42, | |
| "generation_mode": "random", | |
| "num_videos": 200, | |
| "train_videos": 160, | |
| "val_videos": 40, | |
| "requested_duration_s": 6.0, | |
| "duration_s": 6.0, | |
| "fps": 12, | |
| "frames_per_video": 72, | |
| "image_size": [ | |
| 196, | |
| 196 | |
| ], | |
| "codec": "H.264", | |
| "pixel_format": "yuv420p", | |
| "audio": false, | |
| "ode": "theta_ddot = -(gravity/length)*sin(theta) - damping*theta_dot", | |
| "integrator": "RK4", | |
| "substeps_per_frame": 8, | |
| "integration_dt_s": 0.010416666666666666, | |
| "gravity_m_s2": 9.81, | |
| "length_m": 1.0, | |
| "renderer_world": { | |
| "viewport": [ | |
| -5.0, | |
| 25.0, | |
| -3.0, | |
| 27.0 | |
| ], | |
| "pivot": [ | |
| 10.0, | |
| 10.5 | |
| ], | |
| "rod_length": 8.0, | |
| "bob_radius": 1.5, | |
| "ground_y": -0.5 | |
| }, | |
| "timing": "CSV row n and decoded MP4 frame n both sample time n/fps", | |
| "split_unit": "whole video", | |
| "paths_relative_to": "dataset root", | |
| "normalized_labels": false, | |
| "cjepa_export": true, | |
| "cjepa_slots": { | |
| "path": "cjepa_slots.pkl", | |
| "num_slots": 4, | |
| "slot_dim": 32, | |
| "kind": "oracle simulator state (smoke-test adapter, not visual embeddings)" | |
| } | |
| } | |