Interaction-based reliability scoring for robot demonstration labels
Robotics data teams should add a reliability gate to auto-labeling pipelines for manipulation demonstrations. SPARC shows a practical pattern: identify the object being manipulated through gripper phase, language parsing, object masks, tracking, 3D lifting, object motion, gripper proximity, and robot-body overlap. The output is a label plus a reliability score, so data teams can choose a precision target and keep the usable subset for training.
This directly addresses a common failure in cluttered robot videos: a detector can assign high confidence to the wrong object. A useful first implementation would run the current detector-and-tracker labels beside an interaction-based scorer on a few thousand demonstrations, then hand-audit only samples near the acceptance threshold. SPARC reports 80.2% interacted-object localization accuracy on IA-Bench, compared with 58.1% for a detector-confidence baseline, and keeps 77.6% coverage at a 90% precision operating point.