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

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- 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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