| Environment perception | Precision positioning | Path planning | Movement control | Network communication |
USA | 0.01 | 0.01 | 0.14 | 0.17 | −0.17 |
Japan | −0.03 | 0.46 | −0.30 | 0.18 | −0.29 |
China | −0.11 | −0.45 | 0.59 | 0.25 | −0.12 |
Korea | 0.17 | −0.04 | 0.30 | 0.04 | 0.06 |
Europe | 0.28 | −0.12 | 0.27 | 0.17 | −0.21 |