Fig. 1. Schematic diagram of correspondence retrieval

Fig. 2. Reflection component model under dual viewpoints（in polar coordinates）

Fig. 3. Flowchart of the multitask learning

Fig. 4. The flowchart of the proposed algorithm

Fig. 5. Schematic diagram of experimental system

Fig. 6. Highly reflective surface to be measured

Fig. 7. Comparative experimental results of T-shaped sheet metal part

Fig. 8. Comparative experimental results of square sheet metal part

Fig. 9. Comparative experimental results of ceramic ornament

Fig. 10. IMR of the three methods during the reconstruction of different measured surfaces