• Infrared and Laser Engineering
  • Vol. 51, Issue 5, 20220175 (2022)
Wei Zheng1, Sixing Xi2, Guilin Wang1, Yonghong Li1, and Qichang Jiang1
Author Affiliations
  • 1Department of Physics and Electronic Engineering, Yuncheng University, Yuncheng 044000, China
  • 2School of Mathematics and Physics Science and Engineering, Hebei University of Engineering, Handan 056038, China
  • show less
    DOI: 10.3788/IRLA20220175 Cite this Article
    Wei Zheng, Sixing Xi, Guilin Wang, Yonghong Li, Qichang Jiang. Multi-image optical encryption method of JTC system combining CGH and frequency shift[J]. Infrared and Laser Engineering, 2022, 51(5): 20220175 Copy Citation Text show less
    Seven images of different sizes and types to be encrypted
    Fig. 1. Seven images of different sizes and types to be encrypted
    Schematic diagram of frequency shift and CGH coding process
    Fig. 2. Schematic diagram of frequency shift and CGH coding process
    CGH encrypted image
    Fig. 3. CGH encrypted image
    Improved JTC optical image encryption system
    Fig. 4. Improved JTC optical image encryption system
    Optical path of decryption based on 4F system
    Fig. 5. Optical path of decryption based on 4F system
    (a) Decrypted CGH with noise; (b) CGH after noise removal
    Fig. 6. (a) Decrypted CGH with noise; (b) CGH after noise removal
    Optical decryption and reconstruction system for the CGH
    Fig. 7. Optical decryption and reconstruction system for the CGH
    Decrypted results with all correct keys
    Fig. 8. Decrypted results with all correct keys
    (a) Decryption result with wrong key p4; (b) Decryption result with wrong key p2(a) 错误时的解密结果;(b) 错误时的解密结果
    Fig. 9. (a) Decryption result with wrong key p4; (b) Decryption result with wrong key p2(a) 错误时的解密结果;(b) 错误时的解密结果
    Wei Zheng, Sixing Xi, Guilin Wang, Yonghong Li, Qichang Jiang. Multi-image optical encryption method of JTC system combining CGH and frequency shift[J]. Infrared and Laser Engineering, 2022, 51(5): 20220175
    Download Citation