Fig. 1. Challenge of LOST detection in macro marine life in-situ observation

Fig. 2. Underwater LiRAI

Fig. 3. Principle of LiRAI

Fig. 4. Simulation results of underwater LiRAI for LOST detection

Fig. 5. Working principle of UVP5

Fig. 6. LiRAI optical sampling volume

Fig. 7. Fengyan systems

Fig. 8. Range resolution result in pool experiment

Fig. 9. Optical sampling volume adjustment results in pool experiment

Fig. 10. Sea trial flow diagram of "Fengyan" systems

Fig. 11. Sea trial results of "Fengyan" systems