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In this work, a new 4-D hyperchaotic system for image encryption is proposed and its effectiveness is demonstrated by incorporating it into an existing Elliptic Curve Cryptography (ECC) mapping scheme. The proposed system is considered…

密码学与安全 · 计算机科学 2024-11-27 Yehia Lalili , Toufik Bouden , Morad Grimes , Abderrazek Lachouri

We propose a novel scheme for watermarking of digital images based on singular value decomposition (SVD), which makes use of the fact that the SVD subspace preserves significant amount of information of an image, as compared to its singular…

多媒体 · 计算机科学 2008-08-05 Chirag Jain , Siddharth Arora , Prasanta K. Panigrahi

A semi-blind watermarking scheme is presented based on Singular Value Decomposition (SVD), which makes essential use of the fact that, the SVD subspace preserves significant amount of information of an image and is a one way decomposition.…

多媒体 · 计算机科学 2015-03-09 Subhayan Roy Moulick , Siddharth Arora , Chirag Jain , Prasanta K. Panigrahi

Video Watermarking serves as a new technology mainly used to provide security to the illegal distribution of digital video over the web. The purpose of any video watermarking scheme is to embed extra information into video in such a way…

多媒体 · 计算机科学 2014-04-30 T. Srinivasa Rao , Rajasekhar R. Kurra

The singular value decomposition (SVD) is a widely used matrix factorization tool which underlies plenty of useful applications, e.g. recommendation system, abnormal detection and data compression. Under the environment of emerging Internet…

分布式、并行与集群计算 · 计算机科学 2017-03-23 Shuo Chen , Rongxing Lu , Jie Zhang

In this paper, we propose a novel privacy-preserving machine learning scheme with encrypted images, called EtC (Encryption-then-Compression) images. Using machine learning algorithms in cloud environments has been spreading in many fields.…

密码学与安全 · 计算机科学 2019-11-04 Ayana Kawamura , Yuma Kinoshita , Hitoshi Kiya

This paper explores signal and image analysis by using the Singular Value Decomposition (SVD) and its extension, the Generalized Singular Value Decomposition (GSVD). A key strength of SVD lies in its ability to separate information into…

信号处理 · 电气工程与系统科学 2025-12-10 Oscar Romero , Néstor Thome

This report gives a novel technique of image encryption and authentication by combining elements of Visual Cryptography and Public Key Cryptography. A prominent attack involving generation of fake shares to cheat honest users has been…

密码学与安全 · 计算机科学 2017-11-27 Rahul Saranjame , Manik Lal Das

Singular Value Decomposition (SVD) has recently emerged as a new paradigm for processing different types of images. SVD is an attractive algebraic transform for image processing applications. The paper proposes an experimental survey for…

计算机视觉与模式识别 · 计算机科学 2012-12-03 Rowayda A. Sadek

A privacy-preserving support vector machine (SVM) computing scheme is proposed in this paper. Cloud computing has been spreading in many fields. However, the cloud computing has some serious issues for end users, such as the unauthorized…

密码学与安全 · 计算机科学 2020-01-08 Takahiro Maekawa , Ayana Kawamura , Takayuki Nakachi , Hitoshi Kiya

This paper proposes a novel fragile watermarking scheme for digital image authentication which is based on Singular Value Decomposition(SVD) and grouped blocks. The watermark bits which include two types of bits are inserted into the least…

密码学与安全 · 计算机科学 2015-02-12 Qingbo Kang , Ke Li , Hu Chen

Two novel visual cryptography (VC) schemes are proposed by combining VC with single-pixel imaging (SPI) for the first time. It is pointed out that the overlapping of visual key images in VC is similar to the superposition of pixel…

图像与视频处理 · 电气工程与系统科学 2020-04-22 Shuming Jiao , Jun Feng , Yang Gao , Ting Lei , Xiaocong Yuan

Based on fixed point theory, this paper proposes a new scheme for image integrity authentication, which is different from Digital Signature and Fragile Watermarking. A realization of the new scheme is given based on Gaussian Convolution and…

密码学与安全 · 计算机科学 2013-08-06 Xu Li , Xingming Sun , Quansheng Liu

Biometrics deal with automated methods of identifying a person or verifying the identity of a person based on physiological or behavioral characteristics. Visual cryptography is a secret sharing scheme where a secret image is encrypted into…

密码学与安全 · 计算机科学 2010-04-13 P. S. Revenkar , Anisa Anjum , W. Z. Gandhare

An important task when processing sensor data is to distinguish relevant from irrelevant data. This paper describes a method for an iterative singular value decomposition that maintains a model of the background via singular vectors…

计算机视觉与模式识别 · 计算机科学 2019-07-01 Günther Reitberger , Tomas Sauer

We evaluate performance of associative memory in a neural network by based on the singular value decomposition (SVD) of image data stored in the network. We consider the situation in which the original image and its highly coarse-grained…

统计力学 · 物理学 2017-03-08 Tatsuya Kumamoto , Mao Suzuki , Hiroaki Matsueda

Storing data is particularly a challenge when dealing with image data which often involves large file sizes due to the high resolution and complexity of images. Efficient image compression algorithms are crucial to better manage data…

计算机视觉与模式识别 · 计算机科学 2024-06-10 Zahra Golpayegani , Nizar Bouguila

This article studies the problem of decentralized Singular Value Decomposition (d-SVD), which is fundamental in various signal processing applications. Two scenarios are considered depending on the availability of the data matrix under…

信号处理 · 电气工程与系统科学 2025-01-10 Yufan Fan , Marius Pesavento

We propose an image identification scheme for double-compressed encrypted JPEG images that aims to identify encrypted JPEG images that are generated from an original JPEG image. To store images without any visual sensitive information on…

图像与视频处理 · 电气工程与系统科学 2020-02-19 Kenta Iida , Hitoshi Kiya

In this paper, we propose a novel content based-image retrieval scheme allowing the mixed use of encrypted and plain images for the first time. In the proposed scheme, images are encrypted by a block-scrambling method developed for…

图像与视频处理 · 电气工程与系统科学 2020-11-03 Kenta Iida , Hitoshi Kiya
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