In this paper, a new controllable V-shape multiscroll attractor is presented, where a variety of
symmetrical and unsymmetrical attractors with a variable number of scrolls can be controlled …

Nowadays, images are circulated rapidly over the internet and they are subject to some risk
of misuses. To address this issue, various watermarking methods are proposed in the …

Watermarking is one of the most common techniques used to protect data's authenticity,
integrity, and security. The obfuscation in the frequency domain used in the watermarking …

In recent times, the use of chest X-ray (CXR) images in telemedicine has increased
exponentially. However, the transfer of these images on an unsecured channel poses a …

针对现有软件水印隐蔽差, 鲁棒性低的问题, 将混沌理论应用于软件水印算法中, 基于混沌替换,
混沌加密算法对动态图CT 算法进行优化和改进, 提高水印的隐蔽性和鲁棒性. 在VC60 …

With the rapid development of Internet, wireless communication and the camera-capable
portable devices, digital images are easily distributed, copied and modified. This aspect is …

在充分考虑图像视觉感知特性的基础上, 提出一种图像自适应半脆弱水印算法.
首先利用图像亮度, 纹理特性确定水印嵌入比特深度; 然后采用自适应LSB …

Next, the RGB channels of the watermark are encrypted by using Arnold, 3-DES and multi-
flipping permutation encoding (MFPE). Furthermore, the principal key used for encryption is …

Watermarking is one of the most common techniques used to protect data's authenticity,
integrity, and security. e obfuscation in the frequency domain used in the watermarking …

Based on chaotic maps, a novel robust watermarking algorithm is presented in this paper.
The proposed approach improves the invisibility, robustness and security of traditional …