| { | |
| "schema": "odl_public_task_structure_v1", | |
| "timebase": "public_preview_seconds", | |
| "annotation_method": "manual single-annotator review", | |
| "task": "food preparation with handheld knife and produce", | |
| "segments": [ | |
| { | |
| "start_s": 0.0, | |
| "end_s": 5.4, | |
| "label": "onion trimming and surface preparation", | |
| "objects": [ | |
| "onion", | |
| "knife", | |
| "cutting board" | |
| ], | |
| "interaction": "bimanual tool use" | |
| }, | |
| { | |
| "start_s": 5.4, | |
| "end_s": 7.0, | |
| "label": "place prepared onion and reach for next item", | |
| "objects": [ | |
| "onion", | |
| "knife" | |
| ], | |
| "interaction": "object placement and reach" | |
| }, | |
| { | |
| "start_s": 7.0, | |
| "end_s": 15.8, | |
| "label": "second onion trimming and peeling", | |
| "objects": [ | |
| "onion", | |
| "knife" | |
| ], | |
| "interaction": "bimanual tool use and peel removal" | |
| }, | |
| { | |
| "start_s": 15.8, | |
| "end_s": 17.8, | |
| "label": "set onion aside and transition to next item", | |
| "objects": [ | |
| "onion", | |
| "knife", | |
| "sweet potato" | |
| ], | |
| "interaction": "object transition" | |
| }, | |
| { | |
| "start_s": 17.8, | |
| "end_s": 19.55, | |
| "label": "begin trimming sweet potato", | |
| "objects": [ | |
| "sweet potato", | |
| "knife" | |
| ], | |
| "interaction": "bimanual tool use" | |
| } | |
| ], | |
| "boundary_note": "Manual approximate semantic boundaries; not frame-accurate ground truth." | |
| } |