Fig. 1. Training and implementation of feature localization vector machine

Fig. 2. Searching process of feature location

Fig. 3. Precise assembly equipment for actuator components

Fig. 4. Localization of mask template feature

Fig. 5. Localization of actuator components

Fig. 6. Feature localization under various light intensities

Fig. 7. Comparison of compound feature and LBP feature

Fig. 8. Comparison of compound feature and HOG feature

Fig. 9. Feature positioning accuracy in X and Y directions

Fig. 10. Assembly process of actuator components