Fig. 1. Schematic diagram of system application scenario

Fig. 2. Optical path diagram of authentication system

Fig. 3. Schematic diagram of the system and imaging results of two pieces of VK observed by human eyes

Fig. 4. Principles of VK generation

Fig. 5. Authentication information decomposition process in verification experiment

Fig. 6. Authentication result of verification experiment principles

Fig. 7. General VK and image after superposition authentication

Fig. 8. Principle experimental optical path of remote optical information authentication

Fig. 9. Superposition experiment result diagram of general VK

Fig. 10. Improved VK and authentication image

Fig. 11. Experiment result of improved VK

Fig. 12. Authentication results of adding noise to distant VK2. (a) Added one time Gaussian noise; (b) added three times Gaussian noise

Fig. 13. Experiment of light path occlusion. (a) Image of light path occlusion experiment; (b)--(e) images of authentication results

Fig. 14. Principle of optical anti-vibration