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Massive human-related data is collected to train neural networks for computer vision tasks. A major conflict is exposed relating to software engineers between better developing AI systems and distancing from the sensitive training data. To…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Fusheng Hao , Fengxiang He , Yikai Wang , Fuxiang Wu , Jing Zhang , Jun Cheng , Dacheng Tao

In this paper, a novel image encryption algorithm, which involves a chaotic block image scrambling followed by a two-dimensional (2-D) discrete linear chirp transform, is proposed. The definition of the 2-D discrete linear chirp transform…

Image and Video Processing · Electrical Eng. & Systems 2018-07-10 Osama A. S. Alkishriwo

In recent years, spammers are now trying to obfuscate their intents by introducing hybrid spam e-mail combining both image and text parts, which is more challenging to detect in comparison to e-mails containing text or image only. The…

Cryptography and Security · Computer Science 2023-05-16 Zhibo Zhang , Ernesto Damiani , Hussam Al Hamadi , Chan Yeob Yeun , Fatma Taher

Privacy is one of the key issues addressed by information Security. Through cryptographic encryption methods, one can prevent a third party from understanding transmitted raw data over unsecured channel during signal transmission. The…

Cryptography and Security · Computer Science 2013-07-31 Quist-Aphetsi Kester

Cryptography is always very important in data origin authentications, entity authentication, data integrity and confidentiality. In recent years, a variety of chaotic cryptographic schemes have been proposed. These schemes have typical…

Cryptography and Security · Computer Science 2012-02-08 Sodeif Ahadpour , Yaser Sadra , Zahra ArastehFard

In this paper, chaotic block image permutation and XOR operation are performed to achieve image encryption. The studied method of encryption makes use of chaotic systems properties for secure and speed image encryption. Firstly, the…

Image and Video Processing · Electrical Eng. & Systems 2018-09-03 Raneem A. Aboughalia , Osama A. S. Alkishriwo

Modern malware evolves various detection avoidance techniques to bypass the state-of-the-art detection methods. An emerging trend to deal with this issue is the combination of image transformation and machine learning techniques to classify…

Cryptography and Security · Computer Science 2019-09-17 Duc-Ly Vu , Trong-Kha Nguyen , Tam V. Nguyen , Tu N. Nguyen , Fabio Massacci , Phu H. Phung

Recently, an image block encryption algorithm was proposed based on some well-known chaotic maps. The authors claim that the encryption algorithm achieves enough security level and high encryption speed at the same time. In this paper, we…

Cryptography and Security · Computer Science 2020-03-24 Yunling Ma , Chengqing Li , Bo Ou

In this paper, an effective method was introduced to steganography of text document in the host image. In the available steganography methods, the message has a random form. Therefore, the embedding capacity is generally low. In the…

Multimedia · Computer Science 2018-04-02 Seyyed Hossein Soleymani , Amir Hossein Taherinia

As long as human beings exist on this earth, there will be confidential images intended for limited audience. These images have to be transmitted in such a way that no unauthorized person gets knowledge of them. DNA sequences play a vital…

Cryptography and Security · Computer Science 2016-11-28 Grasha Jacob , A. Murugan

We propose a hybrid joint source-channel coding (JSCC) scheme, in which the conventional digital communication scheme is complemented with a generative refinement component to improve the perceptual quality of the reconstruction. The input…

Information Theory · Computer Science 2023-08-17 Xueyan Niu , Xu Wang , Deniz Gündüz , Bo Bai , Weichao Chen , Guohua Zhou

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…

Image and Video Processing · Electrical Eng. & Systems 2020-04-22 Shuming Jiao , Jun Feng , Yang Gao , Ting Lei , Xiaocong Yuan

To provide an added security level most of the existing reversible as well as irreversible image steganography schemes emphasize on encrypting the secret image (payload) before embedding it to the cover image. The complexity of encryption…

Multimedia · Computer Science 2014-10-14 Soumendu Chakraborty , Anand Singh Jalal , Charul Bhatnagar

This paper proposes an improved steganography approach for hiding text messages in lossless RGB images. The objective of this work is to increase the security level and to improve the storage capacity with compression techniques. The…

Cryptography and Security · Computer Science 2013-04-18 Ankit Chaudhary , J. Vasavada , J. L. Raheja , S. Kumar , M. Sharma

A new image encryption scheme using the advanced encryption standard (AES), a chaotic map, a genetic operator, and a fuzzy inference system is proposed in this paper. In this work, plain images were used as input, and the required security…

Cryptography and Security · Computer Science 2023-11-06 Mahdi Shariatzadeh , Mohammad Javad Rostami , Mahdi Eftekhari

These days, a tremendous quantity of digital visual data is sent over many networks and stored in many different formats. This visual information is usually very confidential and financially rewarding. Maintaining safe transmission of data…

Cryptography and Security · Computer Science 2025-04-01 Chandra Sekhar Sanaboina

This letter discusses the problem of testing the degree of randomness within an image, particularly for a shuffled or encrypted image. Its key contributions are: 1) a mathematical model of perfectly shuffled images; 2) the derivation of the…

Cryptography and Security · Computer Science 2012-11-08 Yue Wu , Sos Agaian , Joseph P. Noonan

Nowadays, the chaotic cryptosystems are gaining more attention due to their efficiency, the assurance of robustness and high sensitivity corresponding to initial conditions. In literature, on one hand there are many encryption algorithms…

Cryptography and Security · Computer Science 2020-06-23 Temadher Alassiry Al-Maadeed , Iqtadar Hussain , Amir Anees , M. T. Mustafa

An algorithm for image processing is proposed. The proposed algorithm, which can be viewed as a quantum-classical hybrid algorithm, can transform a low-resolution bitonal image of a character from the set of alphanumeric characters (A-Z,…

Quantum Physics · Physics 2022-12-27 Ankur Pal , Abhishek Shukla , Anirban Pathak

Lately, multimedia encryption has been the focus of attention in many researches. Recently, a large number of encryption algorithms has been presented to protect image contents.The main objective of modern image encryption schemes is to…

Cryptography and Security · Computer Science 2017-01-31 Hassan Noura , Lama Sleem , Raphaël Couturier
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