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As a fundamental theorem in number theory, the Chinese Reminder Theorem (CRT) is widely used to construct cryptographic primitives. This paper investigates the security of a class of image encryption schemes based on CRT, referred to as…

密码学与安全 · 计算机科学 2016-09-30 Chengqing Li , Yuansheng Liu , Leo Yu Zhang , Kwok-wo Wong

This article will describe an optical encryption technical of images which it is proposed in an analogical and digital way. The development of the technical to a digital level, it is made to implementing algorithms (routines) in MATLAB. We…

计算物理 · 物理学 2017-09-19 Leidy Marcela Giraldo , Edward Yesid Villegas

Backdoor attack aims to deceive a victim model when facing backdoor instances while maintaining its performance on benign data. Current methods use manual patterns or special perturbations as triggers, while they often overlook the…

计算机视觉与模式识别 · 计算机科学 2024-01-05 Ruofei Wang , Renjie Wan , Zongyu Guo , Qing Guo , Rui Huang

This paper describes a novel method of encrypting wave files in popular image formats like JPEG, TIF and PNG along with retrieving them from these image files. MATLAB software is used to perform matrix manipulation to encrypt and decrypt…

密码学与安全 · 计算机科学 2013-08-27 Rahul R Upadhyay

Recent advances in deep learning have led to superhuman performance across a variety of applications. Recently, these methods have been successfully employed to improve the rate-distortion performance in the task of image compression.…

图像与视频处理 · 电气工程与系统科学 2022-02-01 Ankur Mali , Alexander Ororbia , Daniel Kifer , Lee Giles

In this research paper, the authors propose a new approach to digital image compression using crack coding This method starts with the original image and develop crack codes in a recursive manner, marking the pixels visited earlier and…

多媒体 · 计算机科学 2011-12-13 Dr. T. Meyyappan , SM. Thamarai , N. M. Jeya Nachiaban

Arithmetic Coding is an efficient lossless compression scheme applied for many multimedia standards such as JPEG, JPEG2000, H.263, H.264 and H.265. Due to nonlinearity, high error propagation and high error sensitivity of arithmetic coders,…

密码学与安全 · 计算机科学 2018-04-13 Alaa Eldin Rohiem Shehata , Hassan Yakout El-Arsh

We propose an optical encryption framework that can encrypt and decrypt large-sized images beyond the size of the encrypted image using our two methods: random phase-free method and scaled diffraction. In order to record the entire image…

The paper presents a new steganographic method called RSTEG (Retransmission Steganography), which is intended for a broad class of protocols that utilises retransmission mechanisms. The main innovation of RSTEG is to not acknowledge a…

密码学与安全 · 计算机科学 2009-05-14 Wojciech Mazurczyk , Milosz Smolarczyk , Krzysztof Szczypiorski

We propose a practical approach to JPEG image decoding, utilizing a local implicit neural representation with continuous cosine formulation. The JPEG algorithm significantly quantizes discrete cosine transform (DCT) spectra to achieve a…

图像与视频处理 · 电气工程与系统科学 2024-04-09 Woo Kyoung Han , Sunghoon Im , Jaedeok Kim , Kyong Hwan Jin

Unlike hiding bit-level messages, hiding image-level messages is more challenging, which requires large capacity, high imperceptibility, and high security. Although recent advances in hiding image-level messages have been remarkable,…

计算机视觉与模式识别 · 计算机科学 2023-05-12 Junxue Yang , Xin Liao

Deep learning-based joint source-channel coding (DeepJSCC) has emerged as a promising technique in 6G for enhancing the efficiency and reliability of data transmission across diverse modalities, particularly in low signal-to-noise ratio…

信号处理 · 电气工程与系统科学 2025-09-09 Kaiyi Chi , Yinghui He , Qianqian Yang , Zhiping Jiang , Yuanchao Shu , Zhiqin Wang , Jun Luo , Jiming Chen

Latent-based diffusion model watermarking embeds watermarks into generated images' latent space to enable content attribution, offering a training-free solution for intellectual property protection and digital forensics. However, these…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Jiewei Lai , Lan Zhang , Chen Tang , Pengcheng Sun , Zhaopeng Zhang , Yunhao Wang , Hui Jin

The Internet is a ubiquitous and affordable communications network suited for e-commerce and medical image communications. Security has become a major issue as data communication channels can be intruded by intruders during transmission.…

密码学与安全 · 计算机科学 2013-05-07 Grasha Jacob , A. Murugan

Various visual information protection methods have been proposed for privacy-preserving deep neural networks (DNNs). In contrast, attack methods on such protection methods have been studied simultaneously. In this paper, we evaluate…

密码学与安全 · 计算机科学 2020-10-14 Warit Sirichotedumrong , Hitoshi Kiya

In this paper, two image encryption schemes are proposed for grayscale and color images. The two encryption schemes are based on dividing each image into blocks of different sizes. In the first scheme, the two dimension ($2$D) input image…

密码学与安全 · 计算机科学 2018-02-22 Omar Reyad , M. A. Mofaddel , W. M. Abd-Elhafiez , Mohamed Fathy

This paper presents a recursive hiding scheme for 2 out of 3 secret sharing. In recursive hiding of secrets, the user encodes additional information about smaller secrets in the shares of a larger secret without an expansion in the size of…

密码学与安全 · 计算机科学 2009-02-17 Abhishek Parakh , Subhash Kak

Recent advances in cryptography promise to enable secure statistical computation on encrypted data, whereby a limited set of operations can be carried out without the need to first decrypt. We review these homomorphic encryption schemes in…

机器学习 · 统计学 2015-08-27 Louis J. M. Aslett , Pedro M. Esperança , Chris C. Holmes

This paper analyzes security performance of an image encryption algorithm using 2D lag-complex Logistic map (LCLM), which adopts it as a pseudo-random number generator, and uses the sum of all pixel values of the plain-image as its initial…

密码学与安全 · 计算机科学 2022-08-16 Chengqing Li , Xianhui Shen , Sheng Liu

Hiding and securing the secret digital information and data that are transmitted over the internet is of widespread and most challenging interest. This paper presents a new idea of robust steganography using bitwise-XOR operation between…

密码学与安全 · 计算机科学 2013-12-20 Chandranath Adak