Data Annotation & LabelingExpertTier 1 · $25
LiDAR Annotation
3D cuboids, point-density limits and sensor-fusion offsets for autonomous-driving datasets.
3 modules205 minutes of material10 exam questions · 80% to pass
Syllabus
01Cuboid placement
75 min- Fit 3D boxes to sparse point clouds
- Set heading and ground reference
02Sensor fusion
70 min- Align LiDAR with camera projections
- Resolve parallax disagreement
03Track coherence
60 min- Keep IDs stable across sweeps
- Audit a full sequence
Assessed concepts
The exam tests these directly. Definitions are summarised here; the exact answer key stays on the server.
Cuboid yaw
Ground plane reference
Point density limit
Fusion offset
Track coherence