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Image encryption is one of the most common and effective methods to secure digital images. Recently, Khalid M. Hosny presented an image encryption scheme based on 6D hyper chaotic mapping and Q-Fibonacci matrix, which, despite its…

Cryptography and Security · Computer Science 2023-12-27 Mohammad Gholamzadeh , Behrooz Khadem

Deep learning models for medical image classification usually achieve promising results but typically rely on large, annotated datasets or standard transfer learning from ImageNet. Self-Supervised Learning (SSL) has emerged as a powerful…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Joao Batista Florindo , Amanda Pontes de Oliveira Ornelas

This paper studies the security of a recently-proposed chaos-based image encryption scheme, and points out the following problems: 1) there exist a number of invalid keys and weak keys, and some keys are partially equivalent for…

Cryptography and Security · Computer Science 2016-10-11 Chengqing Li , Shujun Li , Muhammad Asim , Juana Nunez , Gonzalo Alvarez , Guanrong Chen

Federated Learning is a machine learning approach that enables the training of a deep learning model among several participants with sensitive data that wish to share their own knowledge without compromising the privacy of their data. In…

Machine Learning · Computer Science 2024-02-16 Irina Arévalo , Jose L. Salmeron

Fairly recently, a new encryption scheme for audio data encryption has been proposed by Naskar, P.K., et al. The cryptosystem is based on substitution-permutation encryption structure using DNA encoding at the substitution stage, in which…

Cryptography and Security · Computer Science 2021-06-21 Imad El Hanouti , Hakim El Fadili

This article aims to study intrusion attacks and then develop a novel cyberattack detection framework to detect cyberattacks at the network layer (e.g., Brute Password and Flooding of Transactions) of blockchain networks. Specifically, we…

Cryptography and Security · Computer Science 2024-05-07 Tran Viet Khoa , Do Hai Son , Dinh Thai Hoang , Nguyen Linh Trung , Tran Thi Thuy Quynh , Diep N. Nguyen , Nguyen Viet Ha , Eryk Dutkiewicz

Privacy preserving machine learning is an active area of research usually relying on techniques such as homomorphic encryption or secure multiparty computation. Recent novel encryption techniques for performing machine learning using deep…

Cryptography and Security · Computer Science 2020-04-30 Alex Habeen Chang , Benjamin M. Case

This paper investigates the use of dynamical chaotic systems to encrypt and exchange images between different devices. Two devices were used to simulate the Cubic Map, having the same set of initial conditions, to generate an encryption…

Cryptography and Security · Computer Science 2019-10-15 T. A. Santos , E. P. Magalhaes , D. R. Fiorio , E. G. Nepomuceno

Recent years have seen an increasing emphasis on information security, and various encryption methods have been proposed. However, for symmetric encryption methods, the well-known encryption techniques still rely on the key space to…

Cryptography and Security · Computer Science 2020-03-12 Xiang Li , Peng Wang

Recent research in the design of end to end communication system using deep learning has produced models which can outperform traditional communication schemes. Most of these architectures leveraged autoencoders to design the encoder at the…

Information Theory · Computer Science 2020-01-28 Vishnu Raj , Sheetal Kalyani

Modern cryptography is hinged on "not learning from mistakes": trying numerous wrong keys, should not help one identify the right key. Indeed, it worked -- until recently when the surprising power of AI to see pattern in apparent randomness…

Cryptography and Security · Computer Science 2026-05-12 Gideon Samid

Backdoor attacks, which maliciously control a well-trained model's outputs of the instances with specific triggers, are recently shown to be serious threats to the safety of reusing deep neural networks (DNNs). In this work, we propose an…

Computation and Language · Computer Science 2021-10-18 Wenkai Yang , Yankai Lin , Peng Li , Jie Zhou , Xu Sun

Recently, an image encryption scheme based on chaotic standard and logistic maps was proposed by Patidar et al. It was later reported by Rhouma et al. that an equivalent secret key can be reconstructed with only one known/chosen-plaintext…

Cryptography and Security · Computer Science 2009-12-21 Chengqing Li , Shujun Li , Kwok-Tung Lo

By modeling quantum chaotic dynamics with ensembles of random operators, we explore howmachine learning learning algorithms can be used to detect pseudorandom behavior in qubit systems.We analyze samples consisting of pieces of correlation…

Quantum Physics · Physics 2020-08-27 Daniel W. F. Alves , Michael O. Flynn

To secure the digital images over insecure transmission channels, a new image encryption algorithm Noise-Crypt is proposed in this paper. Noise-Crypt integrates non-linear random noise, hybrid chaotic maps, and SHA-256 hashing algorithm.…

Cryptography and Security · Computer Science 2023-09-21 Laiba Asghar , Fawad Ahmed , Muhammad Shahbaz Khan , Arshad Arshad , Jawad Ahmad

Contrastive learning (CL) pre-trains general-purpose encoders using an unlabeled pre-training dataset, which consists of images or image-text pairs. CL is vulnerable to data poisoning based backdoor attacks (DPBAs), in which an attacker…

Cryptography and Security · Computer Science 2024-03-04 Jinghuai Zhang , Hongbin Liu , Jinyuan Jia , Neil Zhenqiang Gong

Though deep neural networks have achieved state-of-the-art performance in visual classification, recent studies have shown that they are all vulnerable to the attack of adversarial examples. Small and often imperceptible perturbations to…

Machine Learning · Computer Science 2018-06-05 Pinlong Zhao , Zhouyu Fu , Ou wu , Qinghua Hu , Jun Wang

Deep neural networks (DNNs) could be deceived by generating human-imperceptible perturbations of clean samples. Therefore, enhancing the robustness of DNNs against adversarial attacks is a crucial task. In this paper, we aim to train robust…

Machine Learning · Computer Science 2024-01-23 Shayan Mohajer Hamidi , Linfeng Ye

Security of information has become a major issue during the last decades. New algorithms based on chaotic maps were suggested for protection of different types of multimedia data, especially digital images and videos in this period.…

Chaotic Dynamics · Physics 2010-10-22 Sohrab Behnia , Afshin Akhshani , Amir Akhavan , Hadi Mahmodi

The determination of a coronary stenosis and its severity in current clinical workflow is typically accomplished manually via physician visual assessment (PVA) during invasive coronary angiography. While PVA has shown large inter-rater…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Benjamin Au , Uri Shaham , Sanket Dhruva , Georgios Bouras , Ecaterina Cristea , Alexandra Lansky MD , Andreas Coppi , Fred Warner , Shu-Xia Li , Harlan Krumholz
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