Alpha. Ab/Ad (frontal-plane) angles — especially knee valgus — are the weakest-validity markerless tier. Check the reproj_px column and validate against a reference before reporting. Long-axis rotation is only genuine at ankle/wrist.
DLT calibrationControl points — 3D coordinates of known reference points (click to edit)
One point per line: label,X,Y,Z (mm), in your own right-handed lab frame. Need ≥6 non-coplanar points visible in both cameras. Default = corners of a 0.5 m cube — replace with your calibration frame/object.