Two years ago, researchers in the Netherlands discovered an intentional backdoor in an encryption algorithm baked into radios used by critical infrastructure–as well as police, intelligence agencies, ...

Abstract: In this paper, a color image encryption algorithm based on hyper chaotic Lorenz system and discrete wavelet transform is proposed. The algorithm generates a chaotic sequence using a ...

Abstract: The secure transmission and storage of image is of great significance in the digital image security domain. In order to better protect digital image, this paper designs a chaotic image ...

In this tutorial, we will show you how to upscale an image using Copilot PC. Whether you want to take a large print of a picture, improve old photos, or crop a photo to focus on the content, you can ...

Introduction: Preserving privacy is a critical concern in medical imaging, especially in resource limited settings like smart devices connected to the IoT. To address this, a novel encryption method ...

1 School of Computer Science and Technology, Changsha University of Science and Technology, Changsha, China 2 School of Information Engineering, Changsha Medical University, Changsha, China With the ...

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