지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.8
- 수록면
- 476 - 480 (5page)
이용수
초록· 키워드
오류제보하기
For the application of multiusers, the arrangement and distribution of the keys is a much concerningproblem in a cryptosystem. In this paper, we propose an optical encryption scheme with multiple usersbased on computational ghost imaging (CGI) and orthogonal modulation. The CGI encrypts the secret imageinto an intensity vector rather than a complex-valued matrix. This will bring convenience for post-processingand transmission of the ciphertext. The orthogonal vectors are taken as the address codes to distinguishusers and avoid cross-talk. Only the decryption key and the address code owned by an authorized userare matched, the secret image belonging to him/her could be extracted from the ciphertext. Therefore, thereare two security levels in the encryption scheme. The feasibility and property are verified by numericalsimulations.
목차
등록된 정보가 없습니다.
참고문헌 (38)
참고문헌 신청
P. Refregier / 1995 / Optical image encryption based on input plane and Fourier plane random encoding / Opt. Lett 20:767~769
W. Chen / 2014 / Advances in optical security systems / Adv. Opt. Photon 6:120~155
G. Unnikrishnan / 2000 / Optical encryption by double-random phase encoding in the fractional Fourier domain / Opt. Lett 25:887~889
G. Situ / 2004 / Double random-phase encoding in the Fresnel domain / Opt. Lett 29:1584~1586
Z. Liu / 2007 / Random fractional Fourier transform / Opt. Lett 32:2088~2090
W. Chen / 2014 / Advances in optical security systems / Adv. Opt. Photon 6:120~155
G. Unnikrishnan / 2000 / Optical encryption by double-random phase encoding in the fractional Fourier domain / Opt. Lett 25:887~889
G. Situ / 2004 / Double random-phase encoding in the Fresnel domain / Opt. Lett 29:1584~1586
Z. Liu / 2007 / Random fractional Fourier transform / Opt. Lett 32:2088~2090
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