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Protecting sensitive visual content from unauthorized redistribution is a growing challenge for privacy focused mobile applications, including dating platforms. Screenshot prevention mechanisms, rely on server side monitoring or are limited…

Cryptography and Security · Computer Science 2026-04-15 Keshav Sood , Iynkaran Natgunanathan , Purathani Praitheeshan , Praitheeshan Kirupananthan

This study proposes an encrypted visual feedback control algorithm for regulating a one-dimensional stage using Ring Learning With Errors (RLWE) encryption. The proposed algorithm performs both feature extraction and controller computations…

Systems and Control · Electrical Eng. & Systems 2026-04-24 Taichi Ikezaki , Kaoru Teranishi

As billions of personal data being shared through social media and network, the data privacy and security have drawn an increasing attention. Several attempts have been made to alleviate the leakage of identity information from face photos,…

Machine Learning · Computer Science 2021-08-17 Xiao Yang , Yinpeng Dong , Tianyu Pang , Hang Su , Jun Zhu , Yuefeng Chen , Hui Xue

Deep image steganography is a data hiding technology that conceal data in digital images via deep neural networks. However, existing deep image steganography methods only consider the visual similarity of container images to host images,…

Cryptography and Security · Computer Science 2022-01-20 Yanzhen Ren , Ting Liu , Liming Zhai , Lina Wang

To protect image contents, most existing encryption algorithms are designed to transform an original image into a texture-like or noise-like image, which is, however, an obvious visual sign indicating the presence of an encrypted image,…

Computer Vision and Pattern Recognition · Computer Science 2018-01-03 Xintao Duan , Haoxian Song , En Zhang , Jingjing Liu

This letter proposes an improved CNN predictor (ICNNP) for reversible data hiding (RDH) in images, which consists of a feature extraction module, a pixel prediction module, and a complexity prediction module. Due to predicting the…

Multimedia · Computer Science 2023-01-05 Yingqiang Qiu , Wanli Peng , Xiaodan Lin , Huanqiang Zeng , Zhenxing Qian

The recent spades of cyber security attacks have compromised end users' data safety and privacy in Medical Cyber-Physical Systems (MCPS). Traditional standard encryption algorithms for data protection are designed based on a viewpoint of…

Cryptography and Security · Computer Science 2019-04-18 Han Qiu , Meikang Qiu , Meiqin Liu , Gerard Memmi

Fully Homomorphic Encryption (FHE) represents a paradigm shift in cryptography, enabling computation directly on encrypted data and unlocking privacy-critical computation. Despite being increasingly deployed in real platforms, the…

Cryptography and Security · Computer Science 2025-09-26 Rian Adam Rajagede , Yan Solihin

This paper introduces Hierarchical Image Steganography, a novel method that enhances the security and capacity of embedding multiple images into a single container using diffusion models. HIS assigns varying levels of robustness to images…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Youmin Xu , Xuanyu Zhang , Jiwen Yu , Chong Mou , Xiandong Meng , Jian Zhang

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

We propose an efficient framework of reversible data hiding to preserve compatibility between normal printing and printing with a special color ink by using a single common image. The special color layer is converted to a binary image by…

Multimedia · Computer Science 2021-03-04 Minagi Ueda , Shoko Imaizumi

Cloud business intelligence is an increasingly popular choice to deliver decision support capabilities via elastic, pay-per-use resources. However, data security issues are one of the top concerns when dealing with sensitive data. In this…

Databases · Computer Science 2014-12-12 Varunya Attasena , Nouria Harbi , Jérôme Darmont

InstaHide is a state-of-the-art mechanism for protecting private training images, by mixing multiple private images and modifying them such that their visual features are indistinguishable to the naked eye. In recent work, however, Carlini…

Cryptography and Security · Computer Science 2022-07-15 Xinjian Luo , Xiaokui Xiao , Yuncheng Wu , Juncheng Liu , Beng Chin Ooi

Deep neural network (DNN)-based joint source and channel coding is proposed for privacy-aware end-to-end image transmission against multiple eavesdroppers. Both scenarios of colluding and non-colluding eavesdroppers are considered. Unlike…

Visual Cryptography is a secret sharing scheme that uses the human visual system to perform computations. This paper presents a recursive hiding scheme for 3 out of 5 secret sharing. The idea used is to hide smaller secrets in the shares of…

Cryptography and Security · Computer Science 2010-05-14 Sandeep Katta

In this paper we present the first baseline results for the task of few-shot learning of discrete embedding vectors for image recognition. Few-shot learning is a highly researched task, commonly leveraged by recognition systems that are…

Machine Learning · Computer Science 2020-06-24 Roei Gelbhart , Benjamin I. P. Rubinstein

In this paper, a learning-aided content-based wireless image transmission scheme is proposed, where a multi-antenna-aided source wishes to securely deliver an image to a legitimate destination in the presence of randomly distributed…

Information Theory · Computer Science 2021-04-20 Mehdi Letafati , Hamid Behroozi , Babak Hossein Khalaj , Eduard A. Jorswieck

Multi-Key Homomorphic Encryption (MKHE), proposed by Lopez-Alt et al. (STOC 2012), allows for performing arithmetic computations directly on ciphertexts encrypted under distinct keys. Subsequent works by Chen and Dai et al. (CCS 2019) and…

Cryptography and Security · Computer Science 2025-10-24 Jiahui Wu , Tiecheng Sun , Fucai Luo , Haiyan Wang , Weizhe Zhang

Selective image encryption is common in remote sensing systems because it protects sensitive regions of interest (ROI) while limiting computational cost. However, many selective designs enable cross-tile structural leakage under…

Cryptography and Security · Computer Science 2026-03-02 Jilei Sun , Dianhong Wu , Ying Su

Large scale deep learning model, such as modern language models and diffusion architectures, have revolutionized applications ranging from natural language processing to computer vision. However, their deployment in distributed or…