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This paper presents a client/server privacy-preserving network in the context of multicentric medical image analysis. Our approach is based on adversarial learning which encodes images to obfuscate the patient identity while preserving…

图像与视频处理 · 电气工程与系统科学 2020-11-17 Bach Ngoc Kim , Jose Dolz , Pierre-Marc Jodoin , Christian Desrosiers

Lossy image compression is one of the most commonly used operators for digital images. Most recently proposed deep-learning-based image compression methods leverage the auto-encoder structure, and reach a series of promising results in this…

计算机视觉与模式识别 · 计算机科学 2020-07-09 Yaolong Wang , Mingqing Xiao , Chang Liu , Shuxin Zheng , Tie-Yan Liu

Despite the cloud enormous technical and financial advantages, security and privacy have always been the primary concern for adopting cloud computing facility, especially for government agencies and commercial sectors with high-security…

密码学与安全 · 计算机科学 2025-08-29 Yang Gao , Gang Quan , Soamar Homsi , Wujie Wen , Liqiang Wang

The emergence of deep neural networks capable of revealing high-fidelity scene details from sparse 3D point clouds has raised significant privacy concerns in visual localization involving private maps. Lifting map points to randomly…

计算机视觉与模式识别 · 计算机科学 2026-05-04 Heejoon Moon , Jongwoo Lee , Jeonggon Kim , Je Hyeong Hong

In this cloud-dependent era, various security techniques, such as encryption, steganography, and hybrid approaches, have been utilized in cloud computing to enhance security, maintain enormous storage capacity, and provide ease of access.…

密码学与安全 · 计算机科学 2025-05-26 Naima Sultana Ayesha , Mehrin Anannya , Md Biplob Hosen , Rashed Mazumder

In this paper, we present ECSIC, a novel learned method for stereo image compression. Our proposed method compresses the left and right images in a joint manner by exploiting the mutual information between the images of the stereo image…

图像与视频处理 · 电气工程与系统科学 2023-12-11 Matthias Wödlinger , Jan Kotera , Manuel Keglevic , Jan Xu , Robert Sablatnig

Bio-inspired neuromorphic cameras sense illumination changes on a per-pixel basis and generate spatiotemporal streaming events within microseconds in response, offering visual information with high temporal resolution over a high dynamic…

信号处理 · 电气工程与系统科学 2024-03-22 Pei Zhang , Shuo Zhu , Edmund Y. Lam

Semantic communication is implemented based on shared background knowledge, but the sharing mechanism risks privacy leakage. In this letter, we propose an encrypted semantic communication system (ESCS) for privacy preserving, which combines…

信息论 · 计算机科学 2022-09-20 Xinlai Luo , Zhiyong Chen , Meixia Tao , Feng Yang

Cloud service providers offer a low-cost and convenient solution to host unstructured data. However, cloud services act as third-party solutions and do not provide control of the data to users. This has raised security and privacy concerns…

密码学与安全 · 计算机科学 2019-08-13 Sahan Ahmad , SM Zobaed , Raju Gottumukkala , Mohsen Amini Salehi

Visual cryptography aims to protect images against their possible illegitimate use. Thus, one can cipher, hash, or add watermarks for protecting copyright, among others. In this paper we provide a new solution to the problem of secret…

密码学与安全 · 计算机科学 2023-06-22 José Ignacio Farrán , David Cerezo

Learned progressive image compression is gaining momentum as it allows improved image reconstruction as more bits are decoded at the receiver. We propose a progressive image compression method in which an image is first represented as a…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Alberto Presta , Enzo Tartaglione , Attilio Fiandrotti , Marco Grangetto , Pamela Cosman

High-efficient image compression is a critical requirement. In several scenarios where multiple modalities of data are captured by different sensors, the auxiliary information from other modalities are not fully leveraged by existing…

图像与视频处理 · 电气工程与系统科学 2024-12-17 Ziqun Li , Qi Zhang , Xiaofeng Huang , Zhao Wang , Siwei Ma , Wei Yan

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.…

密码学与安全 · 计算机科学 2023-09-21 Laiba Asghar , Fawad Ahmed , Muhammad Shahbaz Khan , Arshad Arshad , Jawad Ahmad

How can multiple distributed entities collaboratively train a shared deep net on their private data while preserving privacy? This paper introduces InstaHide, a simple encryption of training images, which can be plugged into existing…

密码学与安全 · 计算机科学 2021-02-25 Yangsibo Huang , Zhao Song , Kai Li , Sanjeev Arora

We propose a lossy image compression system using the deep-learning autoencoder structure to participate in the Challenge on Learned Image Compression (CLIC) 2018. Our autoencoder uses the residual blocks with skip connections to reduce the…

计算机视觉与模式识别 · 计算机科学 2019-02-21 David Alexandre , Chih-Peng Chang , Wen-Hsiao Peng , Hsueh-Ming Hang

Lensless cameras, innovatively replacing traditional lenses for ultra-thin, flat optics, encode light directly onto sensors, producing images that are not immediately recognizable. This compact, lightweight, and cost-effective imaging…

计算机视觉与模式识别 · 计算机科学 2024-06-07 Xin Cai , Hailong Zhang , Chenchen Wang , Wentao Liu , Jinwei Gu , Tianfan Xue

In the recent world, security is a prime important issue, and encryption is one of the best alternative way to ensure security. More over, there are many image encryption schemes have been proposed, each one of them has its own strength and…

密码学与安全 · 计算机科学 2011-03-22 G. A. Sathishkumar , Dr. K. Bhoopathy bagan , Dr. N. Sriraam

Security has become a significant concern with the increased popularity of cloud storage services. It comes with the vulnerability of being accessed by third parties. Security is one of the major hurdles in the cloud server for the user…

密码学与安全 · 计算机科学 2023-06-07 Mazharul Islam

Applying image sensors in automation of Industrial Internet of Things (IIoT) technology is on the rise, day by day. In such companies, a large number of high volume images are transmitted at any moment; therefore, a significant challenge is…

图像与视频处理 · 电气工程与系统科学 2021-12-13 Nahid Hajizadeh , Pirooz Shamsinejad , Reza Javidan

We propose an image encryption scheme based on quasi-resonant Rossby/drift wave triads (related to elliptic surfaces) and Mordell elliptic curves (MECs). By defining a total order on quasi-resonant triads, at a first stage we construct…

密码学与安全 · 计算机科学 2020-05-12 Ikram Ullah , Umar Hayat , Miguel D. Bustamante