Zobrazeno 1 - 10
of 246
pro vyhledávání: '"Chongfu Zhang"'
Autor:
Heping Wen, Jiahao Wu, Linchao Ma, Zhen Liu, Yiting Lin, Limengnan Zhou, Huilin Jian, Wenxing Lin, Linhao Liu, Tianle Zheng, Chongfu Zhang
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 1, Pp 1-11 (2023)
The issue of information security in photonics environment has attracted more and more attention, especially when the secure communication of optical digital images has become a research hotspot. In this paper, we propose a hybrid encryption scheme f
Externí odkaz:
https://doaj.org/article/43e8b617838f49dcb44a1f9d8b444367
Autor:
Heping Wen, Linchao Ma, Linhao Liu, Yiming Huang, Zefeng Chen, Rui Li, Zhen Liu, Wenxing Lin, Jiahao Wu, Yunqi Li, Chongfu Zhang
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-16 (2022)
Abstract With the arrival of the age of big data, the amount and types of data in the process of information transmission have increased significantly, and the full-disk encryption mode used by traditional encryption algorithms has certain limitation
Externí odkaz:
https://doaj.org/article/dabd2fcad2c748daac56ec17f21a72c8
Publikováno v:
Alexandria Engineering Journal, Vol 61, Iss 6, Pp 4323-4330 (2022)
The intensities and phase profiles of the elliptic optics vortex beam both are determined by the topological charge (TC) and ellipticity. This paper presents an efficient and simple method for measuring the TC and ellipticity of elliptic vortex. By o
Externí odkaz:
https://doaj.org/article/6d9bd511839449b2b69cf289f5521886
Publikováno v:
IEEE Access, Vol 9, Pp 18052-18060 (2021)
In this paper, a multilayer dynamic encryption scheme using deoxyribonucleic acid reconstructed chaotic sequences (DNA-RCS) under cryptanalysis is firstly proposed, which aims at enhancing the security of orthogonal frequency division multiplexing pa
Externí odkaz:
https://doaj.org/article/b41d2028dbd4486a8bda2b4f1395bf65
Autor:
Heping Wen, Chongfu Zhang, Ping Chen, Ruiting Chen, Jiajun Xu, Yunlong Liao, Zhonghao Liang, Danze Shen, Limengnan Zhou, Juxin Ke
Publikováno v:
IEEE Access, Vol 9, Pp 20481-20492 (2021)
In the Internet of Things environment, the secure transmission of digital images has attracted much attention. To improve the confidentiality, we propose an image cryptosystem adopting a quantum chaotic map and the certain security-enhanced mechanism
Externí odkaz:
https://doaj.org/article/3580f3583acb44ee8304ba9a22b122c2
Publikováno v:
IEEE Photonics Journal, Vol 12, Iss 3, Pp 1-13 (2020)
Filter bank multi-carrier (FBMC) using offset quadrature amplitude modulation (OQAM) has recently attracted increasing interests for the next-generation high-speed optical transmission systems, due to the salient FBMC modulation advantages in terms o
Externí odkaz:
https://doaj.org/article/e09eb74b78b945b093725ef9a1bd1566
Publikováno v:
IEEE Access, Vol 8, Pp 75119-75126 (2020)
In the paper, a deoxyribonucleic acid (DNA) extension code with 3-bit binary streams is proposed to encrypt the downlink data for orthogonal frequency division multiplexing passive optical network (OFDM-PON). It has 8 bases to make up 4 pairs of comp
Externí odkaz:
https://doaj.org/article/3f38de1d3ffe48f9a30e98894764f070
Autor:
Heping Wen, Zefeng Chen, Jiehong Zheng, Yiming Huang, Shuwei Li, Linchao Ma, Yiting Lin, Zhen Liu, Rui Li, Linhao Liu, Wenxing Lin, Jieyi Yang, Chongfu Zhang, Huaide Yang
Publikováno v:
Entropy, Vol 24, Iss 10, p 1332 (2022)
In order to further improve the information effectiveness of digital image transmission, an image-encryption algorithm based on 2D-Logistic-adjusted-Sine map (2D-LASM) and Discrete Wavelet Transform (DWT) is proposed. First, a dynamic key with plaint
Externí odkaz:
https://doaj.org/article/8376bd8385d74eafaebf3a92db1968d0
Secure DNA-Coding Image Optical Communication Using Non-Degenerate Hyperchaos and Dynamic Secret-Key
Autor:
Heping Wen, Zhen Liu, Haowen Lai, Chongfu Zhang, Linhao Liu, Jieyi Yang, Yiting Lin, Yunqi Li, Yunlong Liao, Linchao Ma, Zefeng Chen, Rui Li
Publikováno v:
Mathematics, Vol 10, Iss 17, p 3180 (2022)
With the aim of tackling insufficient security in the chaotic encryption algorithm for digital images in the Optical Access Network, a color image encryption scheme combining non-degenerate discrete hyperchaotic system and deoxyribonucleic acid (DNA)
Externí odkaz:
https://doaj.org/article/9c204f17420f4ed68c32aaece3d23a2f
Publikováno v:
Results in Physics, Vol 27, Iss , Pp 104511- (2021)
This paper studied the propagations of fractional vortex beams in nonlocal nonlinear media, and found that quasi-stable solitons can form when the nonlocality is strong enough and the initial power is equal to the critical power. The propagation prop
Externí odkaz:
https://doaj.org/article/5be77a09c7b74873bf6c213a22ec23ab