Optical hyperspectral data encryption by using gamma distributed phase masks in gyrator domain

  • Wenqing SunEmail author
  • Lei Wang
  • Jun Wang
  • Hua Li
  • Quanying Wu
Regular Paper


In this paper, a hyperspectral image encryption scheme based on gamma distributed phase masks in gyrator domain is proposed. The original hyperspectral data are encoded into phase images and then loaded to a spatial light modulator. The phase image is bonded with an amplitude image mask as the input complex amplitude for encryption. The cryptosystem is double random phase encryption with gamma distributed phase masks in gyrator domain. Each frame in the hyperspectral data is encrypted by random phase masks with different parameters, and the corresponding ciphertext is recorded synchronously. The corresponding decryption system is performed along the reverse direction of the encryption process. Some numerical simulations have been made to verify the security and flexibility of the proposed hyperspectral encryption scheme.


Hyperspectral image Optical security and encryption Image processing Gamma distribution 



This research was funded by the National Natural Science Foundation of China (NSFC) (11503017, 61875145, 51607119); Six Talent Peaks Project in Jiangsu Province (2015-DZXX-026); Jiangsu Key Disciplines of Thirteenth Five-Year Plan (20168765); Suzhou Key Industry Technology Innovation Plan (SYG201646); Suzhou Key Laboratory for Precision and Efficient Processing Technology (SZS201712). We also thank anonymous reviewers for their helpful comments on an earlier draft of this paper.


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Copyright information

© The Optical Society of Japan 2019

Authors and Affiliations

  1. 1.Jiangsu Key Laboratory of Micro and Nano Heat Fluid Flow Technology and Energy Application, School of Mathematics and PhysicsSuzhou University of Science and TechnologySuzhouPeople’s Republic of China

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