Chuan SHEN, Junqiao PAN, Anlin WANG, Ze SHEN, Xiaodie WANG, Cheng ZHANG, Sui WEI. Multi-image Encryption Based on QR Codes and Fresnel Phase-only Holograms[J]. Acta Photonica Sinica, 2025, 54(1): 0110001
- Acta Photonica Sinica
- Vol. 54, Issue 1, 0110001 (2025)
Fig. 1. Flowchart of multiple-image encryption
Fig. 2. Flowchart of multiple-image decryption
Fig. 3. QR code encoder examples
Fig. 4. Flowchart of Fresnel phase-only hologram generation algorithm based on QR code
Fig. 5. Flowchart of Fresnel phase-only hologram reconstruction
Fig. 6. Target images
Fig. 7. QR codes corresponding to target images in Fig. 6
Fig. 8. Encryption results
Fig. 9. Decryption results
Fig. 10. Optical system setup diagram for reconstructing Fresnel phase-only holograms
Fig. 11. QR code optical reconstruction and decoding results
Fig. 12. Chaos keys sensitivity simulation
Fig. 13. Optical keys sensitivity simulation
Fig. 14. Anti-crop attack simulation results with 9.5%，16% and 25% data loss
Fig. 15. Anti-noise attack simulation with salt & pepper noise intensity of 5%，10% and 20%
Fig. 16. Anti-noise attack simulation with Gaussian noise intensity of 0.5，0.8 and 1.0
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Table 1. QR code parameters
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