scholarly journals Selective Encryption Scheme for Vector Map Data using Chaotic Map

2015 ◽  
Vol 18 (7) ◽  
pp. 818-826 ◽  
Author(s):  
N.V. Bang ◽  
Kwang-Seok Moon ◽  
Sanghun Lim ◽  
Suk-Hwan Lee ◽  
Ki-Ryong Kwon
Keyword(s):  
Chaotic Map ◽  
Encryption Scheme ◽  
Selective Encryption ◽  
Vector Map ◽  
Map Data

scholarly journals A Chaos based image Encryption Scheme using one Dimensional Exponential Logistic Map.

2019 ◽  
Vol 1 ◽  
pp. 223-237
Author(s):  
Terlumun Gbaden
Keyword(s):  
Correlation Coefficient ◽  
Chaotic Map ◽  
Logistic Map ◽  
Encryption Scheme ◽  
One Dimensional ◽  
Encryption And Decryption ◽  
Secret Keys ◽  
Encryption Decryption ◽  
Logistic Chaotic Map ◽  
Encrypted Images

The widespread use of images in various sectors of life makes its protection increasingly necessary and important. An improvement over encryption and decryption algorithm using exponential logistic chaotic map was proposed. In this work, we adopt an encryption/decryption strategy for colour images using the exponential logistic chaotic map. The proposed encryption/decryption algorithms are implemented in MATLAB for computer simulation. The experimental results indicate that the proposed algorithms can be used successfully to encrypt/decrypt images with secret keys. The performance analysis using histogram uniformity analysis and correlation coefficient show that the algorithms give larger space, quick speed and easy to realize. The encrypted images have good encryption effect and low correlation coefficient rendering it a good candidate for confidential and secure means of transmitting image information in untrusted networks.

scholarly journals Information Encryption Scheme Based on Chaotic Map and Hybridization Chain Reaction

2021 ◽  
Vol 2026 (1) ◽  
pp. 012013
Author(s):  
Zhen Tang ◽  
Zhixiang Yin ◽  
Jing Yang ◽  
Rujie Xu ◽  
Xiyuan Wang ◽  
...  
Keyword(s):  
Chaotic Map ◽  
Hybridization Chain Reaction ◽  
Encryption Scheme ◽  
Chain Reaction

Analysis of trigonometric chaotic sequence by proposing an index-based bit level scrambling image encryption

2021 ◽  
pp. 2150406
Author(s):  
Wanbo Yu ◽  
Hao Wang
Keyword(s):  
Chaotic Map ◽  
Three Dimensional ◽  
Correlation Coefficients ◽  
Chaotic Sequence ◽  
Binary Number ◽  
Encryption Scheme ◽  
Binary Matrix ◽  
Binary Images ◽  
Average Value ◽  
Research Fields

Chaotic map is applied to numerous research fields, such as encryption of data and information. In this paper, a novel bit-level scrambling encryption based on three-dimensional trigonometric chaotic sequence is proposed. This encryption is operated on grayscale images because pixel value of which is between 0 and 255, which can be converted into 8-bit binary number, then each image can be converted into eight binary images. Combine binary images a three-dimensional matrix as input, which have three index values width, height, and page. Generate three numbers by the chaotic sequence to locate the value of the matrix need to be changed. After the value is located, change its value 0 to 1 or 1 to 0, this is the basic encryption scheme. This paper makes a three-dimensional binary matrix with 32 images to test the encryption scheme, and get average value of images’ number of pixel change rate at 0.9603, unified averaged change intensity at 31.27%, information entropy at 7.9891, also the histograms. And correlation coefficients of each pixel from three directions are small. There are comparisons with other encryptions too. The key space of this encryption is more than 10[Formula: see text].

A novel selective encryption scheme for H.264/AVC video with improved visual security

2020 ◽  
Vol 89 ◽  
pp. 115994
Author(s):  
Junhui He ◽  
Yuzhang Xu ◽  
Weiqi Luo ◽  
Shaohua Tang ◽  
Jiwu Huang
Keyword(s):  
Encryption Scheme ◽  
Selective Encryption ◽  
Visual Security
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